MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
SHA3-384 hash: 7a8be4378360c9e113cd73eea6fcfc60883be5594525ccf2e9d7256e24b82bfa094ce6ffc3dde441c4f566b1ec85cbc0
SHA1 hash: c570e0cec229a601331ff9c0d9c302bba0d85af7
MD5 hash: b45e428f86c60736f83bbcf4662a0deb
humanhash: beryllium-romeo-december-nebraska
File name:Semiconformist.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:334'208 bytes
First seen:2023-11-29 15:28:38 UTC
Last seen:2023-11-29 17:26:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 6144:ZjpfVIVK/SZ35l0SWLLzpSAGIyRM7wJ1wpxdMLkPiP7zo8Xq:H94KaZr0sTLJ1wJo7q
TLSH T18164126317E5A0A3FBC642B41B7BA933D7B0A7F8103258EB4B345F747A131265A09277
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Eightfold
Issuer:Eightfold
Algorithm:sha256WithRSAEncryption
Valid from:2023-11-10T00:20:23Z
Valid to:2026-11-09T00:20:23Z
Serial number: 6dd0483f742553babb85c1b9b6de9a80bf927d9e
Thumbprint Algorithm:SHA256
Thumbprint: c493cb744b4767b099a8dc35bfe5aa59f8a23f43e784655a22a5a33f40eacd5b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
324
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
Semiconformist.exe
Verdict:
Malicious activity
Analysis date:
2023-11-29 15:31:49 UTC
Tags:
guloader loader trojan rat remcos remote
Link:
https://app.any.run/tasks/104e213b-4e1c-4ec1-97c9-7ebf5c69a5e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461225/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.3100.27969.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
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:
Malicious
Link:
https://analyze.intezer.com/analyses/1e5f7405-c94b-4eeb-b271-79d3508d0971
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349970
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sample uses process hollowing technique
Sigma detected: Remcos
Snort IDS alert for network traffic
Submitted sample is a known malware sample
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1349970 Sample: Semiconformist.exe Startdate: 29/11/2023 Architecture: WINDOWS Score: 100 46 geoplugin.net 2->46 48 Snort IDS alert for network traffic 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 4 other signatures 2->54 9 Semiconformist.exe 1 42 2->9         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\Kristjan.Ani, ASCII 9->34 dropped 36 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 9->36 dropped 60 Submitted sample is a known malware sample 9->60 62 Suspicious powershell command line found 9->62 13 powershell.exe 20 9->13         started        signatures6 process7 file8 38 C:\Users\user\AppData\...\Semiconformist.exe, PE32 13->38 dropped 64 Writes to foreign memory regions 13->64 66 Maps a DLL or memory area into another process 13->66 68 Found suspicious powershell code related to unpacking or dynamic code loading 13->68 70 Powershell drops PE file 13->70 17 wab.exe 3 16 13->17         started        22 conhost.exe 13->22         started        signatures9 process10 dnsIp11 40 172.93.164.28, 49718, 80 PEGTECHINCUS United States 17->40 42 172.93.217.218, 2404, 49719, 49720 SNEAKER-SERVERUS United States 17->42 44 geoplugin.net 178.237.33.50, 49721, 80 ATOM86-ASATOM86NL Netherlands 17->44 32 C:\ProgramData\remcos\logs.dat, data 17->32 dropped 56 Sample uses process hollowing technique 17->56 58 Installs a global keyboard hook 17->58 24 conhost.exe 17->24         started        26 wab.exe 17->26         started        28 wab.exe 17->28         started        30 31 other processes 17->30 file12 signatures13 process14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2023-11-29 07:33:02 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wb4qptr64ffyckadt3fy4y2zo36cc3dxanovx44pilwzaamxzb4q._file
Verdict:
unknown
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat
Link:
https://tria.ge/reports/231129-sww1aahd7z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Loads dropped DLL
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
172.93.217.218:2404
Unpacked files
SH256 hash:
c2c88e4a32c734b0cb4ae507c1a9a1b417a2375079111fb1b35fab23aedd41d9
MD5 hash:
b38561661a7164e3bbb04edc3718fe89
SHA1 hash:
f13c873c8db121ba21244b1e9a457204360d543f
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/2a7e5f26-9e5f-4fbd-a30d-96e6341024fc/
Parent samples :
99aa0a112de10ceb2072e32e189befed18db5ce294787bf9b2dbe0ef643ba62c
b9fdbe8b2868d78c2fbe632a82d102bf5b334b256d21565e3173ba8ebe169ba5
b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
87ad183c319765afb8556ac2ed508d2687c85b43b0848d251b87edbf0279fb97
27d75cacb0ec5845bd163635926ca0ecef4ea1bb92032df9e81e64b6e406e5a2
f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
e1c36731adad52dc563b7b172b6a4222f5449f134707e915714b7bb13392afd9
e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1
dda95c5fac8c1882520a76aeb8dc397346e3f38bc6cb11aee7d96feea0d3a086
0ffb9d8b5cc25cd280763fe84065f5f149b17eb5d9e19dd59ba6c324d292572b
907d76317c31e9ca799beeef08144d12f5005fcb4acf17848f9f467e098648d9
98598c90bd75b930aba968467f4b540a5784aa28612b8010d8a9cf31992843c6
SH256 hash:
bf0cf3990c6c23dd91ec21071c31537f36355b6d6900358e1536b9a377427619
MD5 hash:
26fc881f84b7f9081cf6b58ab8f9ec08
SHA1 hash:
c4424b9a716392228d55f7d067592d77e9d1b5d2
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/2a7e5f26-9e5f-4fbd-a30d-96e6341024fc/
Parent samples :
99aa0a112de10ceb2072e32e189befed18db5ce294787bf9b2dbe0ef643ba62c
b9fdbe8b2868d78c2fbe632a82d102bf5b334b256d21565e3173ba8ebe169ba5
b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
87ad183c319765afb8556ac2ed508d2687c85b43b0848d251b87edbf0279fb97
27d75cacb0ec5845bd163635926ca0ecef4ea1bb92032df9e81e64b6e406e5a2
f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
e1c36731adad52dc563b7b172b6a4222f5449f134707e915714b7bb13392afd9
e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1
dfae751806a1becfa849574b7b2a243f902550f1f72458bed5bc03779fea2f0b
d8d23e874918f7f77e8ac832e69adef1bda5244e403364a6ad5cb18e8ecbcb5e
dda95c5fac8c1882520a76aeb8dc397346e3f38bc6cb11aee7d96feea0d3a086
0ffb9d8b5cc25cd280763fe84065f5f149b17eb5d9e19dd59ba6c324d292572b
SH256 hash:
42da78cbeb8edc7ff9ffddf44d09714118bd8dc70a32b101879ad470d527173a
MD5 hash:
438effb4929530a9028e7755030096ba
SHA1 hash:
79bb23072b4b570027db7908afdcfb5097d355ea
Link:
https://www.unpac.me/results/2a7e5f26-9e5f-4fbd-a30d-96e6341024fc/
SH256 hash:
b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
MD5 hash:
b45e428f86c60736f83bbcf4662a0deb
SHA1 hash:
c570e0cec229a601331ff9c0d9c302bba0d85af7
Link:
https://www.unpac.me/results/2a7e5f26-9e5f-4fbd-a30d-96e6341024fc/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b07907ce3ee1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879

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
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

GuLoader

Executable exe b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/461225/

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