Analysis Report udmugning.exe
Overview
General Information
Detection
Score: | 72 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Startup |
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Malware Configuration |
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No configs have been found |
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Yara Overview |
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Initial Sample |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader_1 | Yara detected GuLoader | Joe Security |
Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader_1 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_GuLoader_1 | Yara detected GuLoader | Joe Security |
Unpacked PEs |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader_1 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_GuLoader_1 | Yara detected GuLoader | Joe Security |
Sigma Overview |
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No Sigma rule has matched |
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Signature Overview |
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Click to jump to signature section
AV Detection: |
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Multi AV Scanner detection for submitted file | Show sources |
Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: |
Machine Learning detection for sample | Show sources |
Source: | Joe Sandbox ML: |
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Source: | Classification label: |
Source: | File created: | Jump to behavior |
Source: | Static PE information: |
Source: | Section loaded: |
Source: | Key opened: |
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Source: | ReversingLabs: |
Data Obfuscation: |
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Yara detected GuLoader | Show sources |
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Hooking and other Techniques for Hiding and Protection: |
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Icon mismatch, binary includes an icon from a different legit application in order to fool users | Show sources |
Source: | Icon embedded in binary file: |
Source: | Process information set: | ||
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Source: | Window / User API: | ||
Source: | Window / User API: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Last function: |
Anti Debugging: |
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Found potential dummy code loops (likely to delay analysis) | Show sources |
Source: | Process Stats: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Binary or memory string: | ||
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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 | Path Interception | Process Injection1 | Masquerading1 | OS Credential Dumping | Security Software Discovery1 | Remote Services | Archive Collected Data1 | Exfiltration Over Other Network Medium | Encrypted Channel1 | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Virtualization/Sandbox Evasion11 | LSASS Memory | Virtualization/Sandbox Evasion11 | 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 Injection1 | Security Account Manager | Process 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) | Obfuscated Files or Information1 | NTDS | Application Window Discovery1 | Distributed Component Object Model | Input Capture | Scheduled Transfer | Protocol Impersonation | SIM Card Swap | Carrier Billing Fraud | |
Cloud Accounts | Cron | Network Logon Script | Network Logon Script | Software Packing | LSA Secrets | System Information Discovery1 | SSH | Keylogging | Data Transfer Size Limits | Fallback Channels | Manipulate Device Communication | Manipulate App Store Rankings or Ratings |
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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35% | Metadefender | Browse | ||
79% | ReversingLabs | Win32.Trojan.VBObfuse | ||
100% | Joe Sandbox ML |
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: | 31.0.0 Emerald |
Analysis ID: | 395203 |
Start date: | 22.04.2021 |
Start time: | 09:55:58 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 5m 11s |
Hypervisor based Inspection enabled: | false |
Report type: | light |
Sample file name: | udmugning.exe |
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: | 23 |
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: | mal72.troj.evad.winEXE@1/0@0/0 |
EGA Information: |
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HDC Information: |
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HCA Information: | Failed |
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): | 5.747482043975765 |
TrID: |
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File name: | udmugning.exe |
File size: | 118784 |
MD5: | 3d04ed12388c92e15361681ef1921d7f |
SHA1: | 8820ff07e1f60121a057b0303dc7746ea4960617 |
SHA256: | 99227f9bb099737a3f356f266c5b8d5e1f4313715f37a4b7b0b6c1ae65c00925 |
SHA512: | 39d85417c5667971a8b84eb358656672a2291c8e52143633591c6c5afd7d1a45d6cdd837002797f509e071aa508cee300097c65642cf5ba7d5fc3c6874f08c9f |
SSDEEP: | 1536:o96yzDtLzOdb4E4Ql9p9LUaYu/+QR15nZ5ioT1VnrveqOrNThdFfwuqltL:oHDtLzOdDLhemaFf |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........#...B...B...B..L^...B...`...B...d...B..Rich.B..........PE..L......O.................p...`......h.............@................ |
File Icon |
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Icon Hash: | c0c6f2e0e4fefe3f |
Static PE Info |
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General | |
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Entrypoint: | 0x401968 |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED |
DLL Characteristics: | |
Time Stamp: | 0x4FE4DC12 [Fri Jun 22 20:56:50 2012 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: | 7677b40f5f8927412a58af017314f1ed |
Entrypoint Preview |
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Instruction |
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push 0040F3B0h |
call 00007F70D0F0A383h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
xor byte ptr [eax], al |
add byte ptr [eax], al |
cmp byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
cmp al, 47h |
add eax, 838AF2EAh |
dec esp |
xchg dword ptr [edx-41h], esp |
popfd |
sub eax, 0066210Bh |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [ecx], al |
add byte ptr [eax], al |
add byte ptr [ecx+00h], al |
push es |
push eax |
xchg eax, ebx |
add dl, byte ptr [esi+65h] |
jnc 00007F70D0F0A406h |
jnc 00007F70D0F0A392h |
and al, 02h |
add byte ptr [eax], al |
add byte ptr [eax], al |
dec esp |
xor dword ptr [eax], eax |
or al, 79h |
push ebx |
mov esi, 80015E4Dh |
dec edx |
lodsd |
stc |
xchg eax, ebx |
or al, bl |
mov ch, 73h |
sub ebp, ebx |
xor dword ptr [edx+5CEADEADh], edi |
dec edi |
mov dword ptr [AAF3C737h], eax |
xchg eax, esi |
movsd |
add byte ptr [edx], bh |
dec edi |
lodsd |
xor ebx, dword ptr [ecx-48EE309Ah] |
or al, 00h |
stosb |
add byte ptr [eax-2Dh], ah |
xchg eax, ebx |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
aaa |
fld dword ptr [eax] |
add byte ptr [ecx], bh |
xlatb |
add byte ptr [eax], al |
add byte ptr [ebx], cl |
add byte ptr [esi+61h], al |
insb |
imul esp, dword ptr [edi+68h], 72656465h |
add byte ptr [55000601h], cl |
outsb |
outsd |
jc 00007F70D0F0A3F3h |
insb |
add byte ptr [ecx], bl |
add dword ptr [eax], eax |
inc edx |
Data Directories |
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Name | Virtual Address | Virtual Size | Is in Section |
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IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x17624 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x1a000 | 0x382a | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x0 | 0x0 | |
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 | 0x228 | 0x20 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1000 | 0x1a8 | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
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 | 0x16c08 | 0x17000 | False | 0.446204144022 | data | 6.13431444514 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x18000 | 0x1260 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x1a000 | 0x382a | 0x4000 | False | 0.461853027344 | data | 5.140747892 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Resources |
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Name | RVA | Size | Type | Language | Country |
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RT_ICON | 0x1cf82 | 0x8a8 | data | ||
RT_ICON | 0x1c8ba | 0x6c8 | data | ||
RT_ICON | 0x1c352 | 0x568 | GLS_BINARY_LSB_FIRST | ||
RT_ICON | 0x1b2aa | 0x10a8 | data | ||
RT_ICON | 0x1a922 | 0x988 | data | ||
RT_ICON | 0x1a4ba | 0x468 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x1a460 | 0x5a | data | ||
RT_VERSION | 0x1a1e0 | 0x280 | data | English | United States |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, __vbaLenBstr, __vbaStrVarMove, __vbaFreeVarList, __vbaEnd, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaSetSystemError, __vbaHresultCheckObj, __vbaLenBstrB, _adj_fdiv_m32, __vbaAryDestruct, __vbaOnError, __vbaObjSet, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaFpR8, __vbaVarTstLt, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaStrCmp, __vbaObjVar, DllFunctionCall, _adj_fpatan, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, __vbaStrVarVal, _CIlog, __vbaNew2, __vbaInStr, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaI4Str, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaLateMemCall, __vbaVarAdd, __vbaStrToAnsi, __vbaVarDup, __vbaFpI4, __vbaLateMemCallLd, _CIatan, __vbaStrMove, _allmul, __vbaLateIdSt, _CItan, __vbaFPInt, _CIexp, __vbaFreeStr, __vbaFreeObj |
Version Infos |
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Description | Data |
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Translation | 0x0409 0x04b0 |
InternalName | udmugning |
FileVersion | 1.00 |
CompanyName | Cluster-C |
Comments | Cluster-C |
ProductName | Cluster-C |
ProductVersion | 1.00 |
FileDescription | Cluster-C |
OriginalFilename | udmugning.exe |
Possible Origin |
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Language of compilation system | Country where language is spoken | Map |
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English | United States |
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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System Behavior |
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General |
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Start time: | 09:56:48 |
Start date: | 22/04/2021 |
Path: | C:\Users\user\Desktop\udmugning.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 118784 bytes |
MD5 hash: | 3D04ED12388C92E15361681EF1921D7F |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Yara matches: |
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Reputation: | low |
Disassembly |
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Code Analysis |
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