MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 684aa993e575c672c0b509eb310ed408ab8fc1000d00a477a2b8912b30ddccf6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
GuLoader
Vendor detections: 9
| SHA256 hash: | 684aa993e575c672c0b509eb310ed408ab8fc1000d00a477a2b8912b30ddccf6 |
|---|---|
| SHA3-384 hash: | 505ee593915994343872ad23fcb215848ac283bf1e22b37342852aeb4a6ca1b13f9157f0895ae266b7651b44f2e3675e |
| SHA1 hash: | b3d389d6225a57375f37e4f89a2fc715faf15613 |
| MD5 hash: | a2820b1c92ba20d6d6e537795b78c901 |
| humanhash: | eighteen-lactose-eight-lemon |
| File name: | brndesav.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 522'490 bytes |
| First seen: | 2023-07-21 13:12:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6e7f9a29f2c85394521a08b9f31f6275 (293 x GuLoader, 51 x VIPKeylogger, 48 x RemcosRAT) |
| ssdeep | 12288:wT3tfCDvBJuXWUKEen20qb1VpCKJ1ugFKBFmAY:wTN4vBgXGEe2N1y81nFwF1Y |
| Threatray | 860 similar samples on MalwareBazaar |
| TLSH | T122B4F1A567C190CBD1D68872CE06EE6AD521BD365246C72313603EAB7F7FB538A03613 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 9f8fbebfbebfbbdd (1 x GuLoader, 1 x Formbook) |
| Reporter |  malwarelabnet |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
285
Origin country :
CAVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
brndesav.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-21 13:13:48 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-07-20 21:13:57 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
12 of 37 (32.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 850 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
MD5 hash:
6e55a6e7c3fdbd244042eb15cb1ec739
SHA1 hash:
070ea80e2192abc42f358d47b276990b5fa285a9
SH256 hash:
684aa993e575c672c0b509eb310ed408ab8fc1000d00a477a2b8912b30ddccf6
MD5 hash:
a2820b1c92ba20d6d6e537795b78c901
SHA1 hash:
b3d389d6225a57375f37e4f89a2fc715faf15613
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.