MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6d4d55abaccc1b19903ceb6c96d760327bb9c87a744a8806bfb242d547c9e6e3. 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: 11
| SHA256 hash: | 6d4d55abaccc1b19903ceb6c96d760327bb9c87a744a8806bfb242d547c9e6e3 |
|---|---|
| SHA3-384 hash: | d5eec316e0ce83fa6c32fd7b9acb006751c75674ccfa37cd7a09cbfea70ede981093ed3cfae9159151731d4b69cf9c08 |
| SHA1 hash: | 901d7c2f66941a6ec8c509505845d547946ddaa7 |
| MD5 hash: | 05b7d38c95198ed880297fab7e2279fd |
| humanhash: | romeo-east-saturn-bakerloo |
| File name: | SecuriteInfo.com.Gen.Variant.Nemesis.10175.18836.12919 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 337'864 bytes |
| First seen: | 2022-08-23 19:44:07 UTC |
| Last seen: | 2022-08-23 20:31:39 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT) |
| ssdeep | 6144:YC2nZqm4SSn3+JF1K2nBsF6RHHJ0ttgDh/iTNfbEV:AZqVHwgU+tgt/qW |
| Threatray | 13'852 similar samples on MalwareBazaar |
| TLSH | T15774129518E4D0F7EFE10B7016DADA7BD779E750053A294B63A18FEC7C00B829E26643 |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 70e8f2f8e478eca4 (3 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Nedskrift Dispensater Nibelungenlied |
|---|---|
| Issuer: | Nedskrift Dispensater Nibelungenlied |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2021-12-01T17:04:28Z |
| Valid to: | 2024-11-30T17:04:28Z |
| Serial number: | -1422fdac68b1c32f |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 95e445dd8553e888604ffc2f870a7bd13648413cb50e915e33ba81d63fdb83ea |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
349
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Gen.Variant.Nemesis.10175.18836.12919
Verdict:
Malicious activity
Analysis date:
2022-08-23 19:44:57 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
buer guloader nemesis overlay packed shell32.dll wacatac
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:
AgentTesla, GuLoader
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Malware.Nemesis
Status:
Malicious
First seen:
2022-08-23 18:25:48 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
8 of 41 (19.51%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 13'842 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
AgentTesla payload
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
MD5 hash:
2ae993a2ffec0c137eb51c8832691bcb
SHA1 hash:
98e0b37b7c14890f8a599f35678af5e9435906e1
SH256 hash:
6d4d55abaccc1b19903ceb6c96d760327bb9c87a744a8806bfb242d547c9e6e3
MD5 hash:
05b7d38c95198ed880297fab7e2279fd
SHA1 hash:
901d7c2f66941a6ec8c509505845d547946ddaa7
Malware family:
AgentTesla.v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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