MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 395680070dcbb2686d2cee57bbc034ec5ddbc4a73d595e9152478cbf3dde7abc. 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


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 395680070dcbb2686d2cee57bbc034ec5ddbc4a73d595e9152478cbf3dde7abc
SHA3-384 hash: cf7f0d125dba23d305fd4e15b1cd91a085ae35dad885eb73e5fbfa40a1bfdadbce99d00e3ec3de66c9161404f969773a
SHA1 hash: bf308f95dfd870576e6d50609ee902ad2233a81a
MD5 hash: e68d535cd07bc83b74f159c3d32550c8
humanhash: white-hawaii-foxtrot-alaska
File name:SO97600676004_KOREA87004707.EXE
Download: download sample
Signature GuLoader
Create hunting rule
File size:375'088 bytes
First seen:2023-05-22 05:49:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (274 x GuLoader, 36 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:ap+gg4S4uYl9skCX32EiDPtxVTUlkypCElSLahELRpbxuOrkBpKgbbrs:2PSVzGE8txVT4pmO2LRpb/Q/
Threatray 836 similar samples on MalwareBazaar
TLSH T1D584120929F0C123F0A69F3655B466FBBEB6EE1460A0028707547F967D363419E4E73B
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):PE icon
dhash icon 92eefc79b2b2b2b0 (1 x GuLoader)
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-23T08:24:36Z
Valid to:2025-05-22T08:24:36Z
Serial number: 5dd9451e40fc2da5c30bf21bfcbdbd873476096b
Thumbprint Algorithm:SHA256
Thumbprint: 9feee23acd57f094d4feea47fc96893c1211cb60c51a2057a8571a8a3926bd5c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
KR KR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SO97600676004_KOREA87004707.EXE
Verdict:
Malicious activity
Analysis date:
2023-05-22 05:52:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e7e23041-cfbc-4f09-ac6f-a53fe7e2440c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/87048/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/646b028c2e1bd944cb4ab1a4/reports/da4394ce-8469-4708-8c71-4f90999668eb/overview
Verdict:
Suspicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/395680070dcbb2686d2cee57bbc034ec5ddbc4a73d595e9152478cbf3dde7abc
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
Link:
https://analyze.intezer.com/analyses/09bdf4ce-f5f7-48f9-b19d-3c83c88197dc
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1239333
Signature
Contains functionality to modify clipboard data
Detected unpacking (changes PE section rights)
Maps a DLL or memory area into another process
Sigma detected: Remcos
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 steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected GuLoader
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 872327 Sample: SO97600676004_KOREA87004707... Startdate: 22/05/2023 Architecture: WINDOWS Score: 100 32 geoplugin.net 2->32 46 Snort IDS alert for network traffic 2->46 48 Yara detected GuLoader 2->48 50 Sigma detected: Remcos 2->50 52 2 other signatures 2->52 8 SO97600676004_KOREA87004707.EXE.exe 3 32 2->8         started        signatures3 process4 file5 26 C:\Users\user\...\tbtcoinx.dll, PE32+ 8->26 dropped 28 C:\Users\user\...\libffi-7.dll, PE32+ 8->28 dropped 30 C:\Users\user\AppData\Local\...\System.dll, PE32 8->30 dropped 54 Detected unpacking (changes PE section rights) 8->54 56 Contains functionality to modify clipboard data 8->56 58 Tries to detect Any.run 8->58 12 SO97600676004_KOREA87004707.EXE.exe 3 16 8->12         started        signatures6 process7 dnsIp8 36 146.70.113.142, 49847, 49848, 49850 TENET-1ZA United Kingdom 12->36 38 geoplugin.net 178.237.33.50, 49849, 49887, 80 ATOM86-ASATOM86NL Netherlands 12->38 60 Tries to detect Any.run 12->60 62 Maps a DLL or memory area into another process 12->62 16 SO97600676004_KOREA87004707.EXE.exe 1 12->16         started        19 SO97600676004_KOREA87004707.EXE.exe 1 12->19         started        21 SO97600676004_KOREA87004707.EXE.exe 1 12->21         started        23 27 other processes 12->23 signatures9 process10 dnsIp11 40 Tries to steal Instant Messenger accounts or passwords 16->40 42 Tries to steal Mail credentials (via file / registry access) 16->42 34 192.168.11.1 unknown unknown 23->34 44 Tries to harvest and steal browser information (history, passwords, etc) 23->44 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/395680070dcbb2686d2cee57bbc034ec5ddbc4a73d595e9152478cbf3dde7abc/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-22 02:59:10 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hfliabynzozgq3jm5zl3xqbu5ro5xrfhhvmv5eksi6gl6po6pk6a._file
Verdict:
unknown
Similar samples:
07fa172e1404c76738226cefc6e5d45559430c9946e419ed089d9ae5690783f9
GuLoader
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83
GuLoader
3f6b1b62fd63112b0626567e8cd6a9179499109f1aee6fe0627d9b429add64d1
GuLoader
494d5735144af171cc15708b37b491b74be1522494958e605ac348dd4897dcf9
GuLoader
49f8ea644b5a69f7e8569c513168fa892922cc8e3e56617d7d225c9a85e3d520
GuLoader
601068d38fe3988fac053f5be6fcd8f364ac199fcd278ebe10cd7ee74e9b2726
GuLoader
b534709b0de0c4392af03fea261580b08915ae1e5a55496f85dc21500c6a8338
GuLoader
d989ab685c59463a2ae115503881d520032409525de9846d458583e4ad75fc15
GuLoader
dfd5aecc6088baf366549e3a7a163c0a7dec356ff6efaab012408cdb42eb2a94
GuLoader
+ 826 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/230522-gjk7gaec76/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/815bfcce-71a5-4cbe-a5bd-301b60b7d8ea/
SH256 hash:
395680070dcbb2686d2cee57bbc034ec5ddbc4a73d595e9152478cbf3dde7abc
MD5 hash:
e68d535cd07bc83b74f159c3d32550c8
SHA1 hash:
bf308f95dfd870576e6d50609ee902ad2233a81a
Link:
https://www.unpac.me/results/815bfcce-71a5-4cbe-a5bd-301b60b7d8ea/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/395680070dcb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/395680070dcbb2686d2cee57bbc034ec5ddbc4a73d595e9152478cbf3dde7abc

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments