MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a88bb2699f4992e13ed7f7ada9495e040ddfb3107ffc158063f04b9e006fca2. 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: 10
| SHA256 hash: | 4a88bb2699f4992e13ed7f7ada9495e040ddfb3107ffc158063f04b9e006fca2 |
|---|---|
| SHA3-384 hash: | b37fa0eba747f9519905c16495bd1b8710177c0d5bdb5b397364667695757efa6af0c36af30818d2e43406837673537c |
| SHA1 hash: | caf992eab74a7886bdfd52568b401504fd736bad |
| MD5 hash: | 5bb58b700946c8844469cd9fe1700005 |
| humanhash: | maryland-saturn-early-eighteen |
| File name: | SecuriteInfo.com.Gen.Variant.Nemesis.10183.27936.23439 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 414'848 bytes |
| First seen: | 2022-08-24 10:43:06 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger) |
| ssdeep | 6144:BT4Dt9b/gHuGBAd6+wy9D0bW8/ceB2WQE8AJ1BP6qBAV369Xr7mBzlOfMw+BY:BTZ8F0WWn8AJ1BxmV369b+IP |
| Threatray | 13'861 similar samples on MalwareBazaar |
| TLSH | T16194F1223748D8A2D57D44F2E573A5AB8DB0ED266A68DC1333603F1F7B79A53E80E105 |
| 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 | c8c0da66e2e868b8 (1 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Eventide Novelledefinitioners |
|---|---|
| Issuer: | Eventide Novelledefinitioners |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2021-12-31T09:13:20Z |
| Valid to: | 2024-12-30T09:13:20Z |
| Serial number: | 40b1f0edd0be255e |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 01eb547a45eb496bfff126a1cf7e139f48a41cdfaec244e668d76ffbaabc8b35 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
331
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Gen.Variant.Nemesis.10183.27936.23439
Verdict:
Malicious activity
Analysis date:
2022-08-24 10:44:07 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
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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:
troj.evad.spyw
Score:
100 / 100
Signature
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)
Snort IDS alert for network traffic
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-08-24 10:44:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
17 of 26 (65.38%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 13'851 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader collection discovery downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Guloader,Cloudeye
Malware Config
C2 Extraction:
https://api.telegram.org/bot5147163644:AAEDa60jT_0f_OgilwiEp-CBiARVO2Rx3Mo/sendDocument
Unpacked files
SH256 hash:
b7823a15e7b1866ba3d77248f750b66505859d264cfc39d8c8c5e812f8ae4a81
MD5 hash:
a1da6788aeaf78ca4ae1dece8019e49d
SHA1 hash:
d770155e6e9aa69223be198c44a8da26a1756d89
SH256 hash:
4a88bb2699f4992e13ed7f7ada9495e040ddfb3107ffc158063f04b9e006fca2
MD5 hash:
5bb58b700946c8844469cd9fe1700005
SHA1 hash:
caf992eab74a7886bdfd52568b401504fd736bad
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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