Windows Analysis Report 248c6f40000.dll
Overview
General Information
Detection
Score: | 68 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Process Tree |
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Malware Configuration |
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Threatname: Ursnif |
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{"RSA Public Key": "qJ1kPoMlraIzwv3codImebn7w+YrU8DGSEbPIUgoOweySW+9oxNs6FEg5rJvyj+K7XGv3snzn5Di7OJfzWWZfRvARRX85pJYlyMRo0/DwGUaS1N350fNDcrXcC+cMnIyqScesdTZTT3I4UGl/4eaH2nD9M3QEBNhxM9oc4sY20SSs/pkG9D0KhuSF1te4bhlucQ+KFpZ02KcWVU4TeE2VEAgiWrjF1Y8G7UeFRWoeCZR7ZUT6Y2O8Scj/5r03Sm3I11vs6nuSszdMAQkYTAfj3fgm6t4wajaiSB8PacCWh04qEHtIdt5MwitFwfOQ/HHeI8ICFQtYdH1z2/KH1gmintjR8z+We+cZoHIHCs3E3g=", "c2_domain": ["io.immontyr.com", "cd1.averlokir.com", "6n6szrxfwwahcgpv.onion", "app.irolano.com", "irq.clickclckjack.at", "fs.abertok.at", "rpc.ikaryto.com", "5k4vglet4rv655tg.onion"], "ip_check_url": ["curlmyip.net"], "serpent_key": "Rk7B02ibiSe2cMoF", "server": "770", "sleep_time": "10", "SetWaitableTimer_value(CRC_CONFIGTIMEOUT)": "600", "time_value": "600", "SetWaitableTimer_value(CRC_TASKTIMEOUT)": "300", "SetWaitableTimer_value(CRC_SENDTIMEOUT)": "300", "SetWaitableTimer_value(CRC_KNOCKERTIMEOUT)": "300", "not_use(CRC_BCTIMEOUT)": "10", "botnet": "1000", "SetWaitableTimer_value": "60"}
Yara Overview |
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Initial Sample |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_Ursnif_2 | Yara detected Ursnif | Joe Security |
Sigma Overview |
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System Summary: |
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Sigma detected: Suspicious Call by Ordinal | Show sources |
Source: | Author: Florian Roth: |
Jbx Signature Overview |
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Click to jump to signature section
AV Detection: |
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Antivirus / Scanner detection for submitted sample | Show sources |
Source: | Avira: |
Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Key, Mouse, Clipboard, Microphone and Screen Capturing: |
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Yara detected Ursnif | Show sources |
Source: | File source: |
E-Banking Fraud: |
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Yara detected Ursnif | Show sources |
Source: | File source: |
System Summary: |
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Source: | Static PE information: |
Source: | Section loaded: | ||
Source: | Section loaded: |
Source: | Static PE information: |
Source: | Key opened: |
Source: | Classification label: |
Source: | Process created: |
Source: | Process created: | ||
Source: | Process created: | ||
Source: | Process created: | ||
Source: | Process created: | ||
Source: | Process created: | ||
Source: | Process created: | ||
Source: | Process created: |
Source: | Automated click: | ||
Source: | Automated click: |
Source: | Static PE information: |
Hooking and other Techniques for Hiding and Protection: |
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Yara detected Ursnif | Show sources |
Source: | File source: |
Source: | Process information set: | ||
Source: | Process information set: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Process queried: |
Source: | Process created: |
Stealing of Sensitive Information: |
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Yara detected Ursnif | Show sources |
Source: | File source: |
Remote Access Functionality: |
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Yara detected Ursnif | Show sources |
Source: | File source: |
Mitre Att&ck Matrix |
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Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
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Valid Accounts | Windows Management Instrumentation | DLL Side-Loading1 | Process Injection11 | Virtualization/Sandbox Evasion1 | OS Credential Dumping | Security Software Discovery1 | Remote Services | Data from Local System | Exfiltration Over Other Network Medium | Data Obfuscation | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | DLL Side-Loading1 | Rundll321 | LSASS Memory | Virtualization/Sandbox Evasion1 | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Junk Data | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
Domain Accounts | At (Linux) | Logon Script (Windows) | Logon Script (Windows) | Process Injection11 | Security Account Manager | System Information Discovery1 | SMB/Windows Admin Shares | Data from Network Shared Drive | Automated Exfiltration | Steganography | Exploit SS7 to Track Device Location | Obtain Device Cloud Backups | Delete Device Data |
Local Accounts | At (Windows) | Logon Script (Mac) | Logon Script (Mac) | DLL Side-Loading1 | NTDS | System Network Configuration Discovery | Distributed Component Object Model | Input Capture | Scheduled Transfer | Protocol Impersonation | SIM Card Swap | Carrier Billing Fraud |
Behavior Graph |
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Screenshots |
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Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
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Initial Sample |
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Source | Detection | Scanner | Label | Link |
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100% | Avira | HEUR/AGEN.1212258 |
Dropped Files |
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No Antivirus matches |
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Unpacked PE Files |
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No Antivirus matches |
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Domains |
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No Antivirus matches |
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URLs |
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No Antivirus matches |
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Domains and IPs |
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General Information |
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Joe Sandbox Version: | 34.0.0 Boulder Opal |
Analysis ID: | 551795 |
Start date: | 12.01.2022 |
Start time: | 15:08:09 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 6m 37s |
Hypervisor based Inspection enabled: | false |
Report type: | light |
Sample file name: | 248c6f40000.dll |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
Number of analysed new started processes analysed: | 28 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
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Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal68.troj.winDLL@7/0@0/0 |
EGA Information: | Failed |
HDC Information: | Failed |
HCA Information: |
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Cookbook Comments: |
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Warnings: | Show All
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Simulations |
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Behavior and APIs |
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No simulations |
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Joe Sandbox View / Context |
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Created / dropped Files |
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No created / dropped files found |
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Static File Info |
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General | |
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File type: | |
Entropy (8bit): | 6.308196606007222 |
TrID: |
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File name: | 248c6f40000.dll |
File size: | 258048 |
MD5: | a1ec2c3298bc890d9febb65cad765ed9 |
SHA1: | 23e897e0a782ed018493b0f420653de81416e650 |
SHA256: | 1e772d61e7d3a7a8ee9770e1f28d11c8130b0657d60eb9cd8c95ecd8931ebdb9 |
SHA512: | d183f5326cc504746fd460f8bc935b19592910b3d19064ae64a7cb3dcc793f65fbb1a204a9e3527f51eedc0020600f5eeb1ecaf554bc625f27a652046231060e |
SSDEEP: | 6144:U4kAd7+RQ1ONkwLbaPcsPFV/2eNWrTE4iyvzG:TB7+RYONkFEsPF12eNWrTyy |
File Content Preview: | MZ............................................................................................................................................................................................................................................................. |
File Icon |
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Icon Hash: | 74f0e4ecccdce0e4 |
Static PE Info |
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General | |
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Entrypoint: | 0x18001dfc0 |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x180000000 |
Subsystem: | windows gui |
Image File Characteristics: | EXECUTABLE_IMAGE, DLL, LARGE_ADDRESS_AWARE |
DLL Characteristics: | |
Time Stamp: | 0x61B67E8C [Sun Dec 12 22:58:20 2021 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: |
Entrypoint Preview |
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Instruction |
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inc eax |
push ebx |
dec eax |
sub esp, 20h |
test edx, edx |
mov ebx, 00000001h |
je 00007F99090617C6h |
cmp edx, ebx |
jne 00007F99090617D1h |
mov eax, ebx |
lock xadd dword ptr [0001B9D3h], eax |
add eax, ebx |
cmp eax, ebx |
jne 00007F99090617C1h |
dec ecx |
mov edx, eax |
call 00007F990906E2FEh |
test eax, eax |
je 00007F99090617B5h |
xor ebx, ebx |
jmp 00007F99090617B1h |
lock add dword ptr [0001B9B5h], FFFFFFFFh |
jne 00007F99090617A7h |
call 00007F990906469Fh |
mov eax, ebx |
dec eax |
add esp, 20h |
pop ebx |
ret |
int3 |
int3 |
dec eax |
mov dword ptr [esp+08h], ebx |
dec eax |
mov dword ptr [esp+10h], ebp |
dec eax |
mov dword ptr [esp+18h], esi |
push edi |
inc ecx |
push esp |
inc ecx |
push ebp |
inc ecx |
push esi |
inc ecx |
push edi |
dec eax |
sub esp, 70h |
test edx, edx |
inc ebp |
mov edi, ecx |
inc ecx |
mov ebx, eax |
inc esp |
mov ebx, edx |
mov esi, ecx |
mov edi, 00000008h |
jne 00007F99090617ABh |
call dword ptr [000131AEh] |
inc esp |
mov ebx, eax |
dec eax |
mov eax, dword ptr [0001BB5Ch] |
mov ecx, dword ptr [0001A0E6h] |
inc esp |
mov edx, dword ptr [0001A0EBh] |
inc esp |
mov ecx, dword ptr [0001A0E0h] |
inc esp |
mov eax, dword ptr [0001A0D5h] |
dec eax |
mov ebp, dword ptr [esp+000000E0h] |
inc esp |
mov dword ptr [esp+50h], ebx |
inc ecx |
bswap ecx |
inc ecx |
bswap eax |
bswap ecx |
inc ecx |
bswap edx |
dec esp |
lea ebp, dword ptr [FFFE1F7Ah] |
dec edx |
Data Directories |
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Name | Virtual Address | Virtual Size | Is in Section |
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IMAGE_DIRECTORY_ENTRY_EXPORT | 0x37800 | 0x37 | .rdata |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x367f8 | 0x3c | .rdata |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x3a000 | 0x18f0 | .pdata |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x3e000 | 0x32c | .reloc |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x31000 | 0x4f0 | .rdata |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x34e9c | 0x1e0 | .rdata |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
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Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
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.text | 0x1000 | 0x30000 | 0x30000 | False | 0.577072143555 | zlib compressed data | 6.39715579409 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.rdata | 0x31000 | 0x7000 | 0x7000 | False | 0.352783203125 | data | 5.05239019871 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.data | 0x38000 | 0x2000 | 0x2000 | False | 0.270263671875 | lif file | 3.3206854479 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.pdata | 0x3a000 | 0x2000 | 0x2000 | False | 0.42822265625 | data | 4.58488394811 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.bss | 0x3c000 | 0x2000 | 0x2000 | False | 0.970458984375 | data | 7.90682667928 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.reloc | 0x3e000 | 0x1000 | 0x1000 | False | 0.38623046875 | data | 3.77552669913 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Network Behavior |
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No network behavior found |
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Code Manipulations |
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Statistics |
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Behavior |
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Click to jump to process
System Behavior |
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General |
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Start time: | 15:09:05 |
Start date: | 12/01/2022 |
Path: | C:\Windows\System32\loaddll64.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff7d3110000 |
File size: | 140288 bytes |
MD5 hash: | 4E8A40CAD6CCC047914E3A7830A2D8AA |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | moderate |
General |
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Start time: | 15:09:05 |
Start date: | 12/01/2022 |
Path: | C:\Windows\System32\cmd.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff7bf140000 |
File size: | 273920 bytes |
MD5 hash: | 4E2ACF4F8A396486AB4268C94A6A245F |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
General |
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Start time: | 15:09:05 |
Start date: | 12/01/2022 |
Path: | C:\Windows\System32\rundll32.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff6b6770000 |
File size: | 69632 bytes |
MD5 hash: | 73C519F050C20580F8A62C849D49215A |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
General |
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Start time: | 15:09:05 |
Start date: | 12/01/2022 |
Path: | C:\Windows\System32\rundll32.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff6b6770000 |
File size: | 69632 bytes |
MD5 hash: | 73C519F050C20580F8A62C849D49215A |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Disassembly |
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Code Analysis |
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