MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c155fef955e84c3105693dd142f5e385ee89fa251fd071f366dc6caa94a34502. 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


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c155fef955e84c3105693dd142f5e385ee89fa251fd071f366dc6caa94a34502
SHA3-384 hash: ef960f5b1d9fb9a512bf3de0a5d5aa462852df0c3e53479392a3c1496a14a9541c3ea372d7d57290ecb9cb3aa1c22fd3
SHA1 hash: 2c01ffaa3448b4c4dbfba0bd614c0b7b6ac318ba
MD5 hash: 60b7c382b13d3f69eb22b375c8fd0e06
humanhash: georgia-fruit-william-aspen
File name:DC62-Q5667_SCAN004.COFEE-INQ_88.95.326.1.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:678'400 bytes
First seen:2023-06-23 14:32:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kwokM2iNh4/mNUAEzS22PD77Xuc7O7cpTlrUpphGslpA:13M1D4/QU7e2sH7OAT9OhG
Threatray 1'284 similar samples on MalwareBazaar
TLSH T144E4121656F14921E8391EFA64B25521CBFDFA12F623F38F2E9531F20563B915E032A3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DC62-Q5667_SCAN004.COFEE-INQ_88.95.326.1.PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-06-23 14:33:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c69881b0-ee8f-4c8e-9800-516186166814

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/402229/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6495ad2072b30d3d8e180a98/reports/4c997721-02c5-4359-b8fb-44683d959f56/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/c155fef955e84c3105693dd142f5e385ee89fa251fd071f366dc6caa94a34502
Result
Verdict:
UNKNOWN
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/46caa35d-ff89-4f1c-90bf-338186804de3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1260571
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 893591 Sample: DC62-Q5667_SCAN004.COFEE-IN... Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 4 other signatures 2->45 7 DC62-Q5667_SCAN004.COFEE-INQ_88.95.326.1.PDF.exe 7 2->7         started        11 fLYQfoFLGobkJ.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\fLYQfoFLGobkJ.exe, PE32 7->31 dropped 33 C:\...\fLYQfoFLGobkJ.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp33A7.tmp, XML 7->35 dropped 37 DC62-Q5667_SCAN004...5.326.1.PDF.exe.log, ASCII 7->37 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 51 Injects a PE file into a foreign processes 7->51 13 powershell.exe 19 7->13         started        15 schtasks.exe 1 7->15         started        17 DC62-Q5667_SCAN004.COFEE-INQ_88.95.326.1.PDF.exe 7->17         started        19 DC62-Q5667_SCAN004.COFEE-INQ_88.95.326.1.PDF.exe 7->19         started        53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 21 schtasks.exe 1 11->21         started        23 fLYQfoFLGobkJ.exe 11->23         started        signatures5 process6 process7 25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 21->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c155fef955e84c3105693dd142f5e385ee89fa251fd071f366dc6caa94a34502/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-23 14:31:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yfk756kv5bgdcbljhxiuf5pdqxxit6rfd7ihd43g3rwkvffdiuba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0434b553716106cbc769d01e7c12768bcd0d445f2bdb25ec4bbb6568f5188d28
Formbook
1ba924a1929390c208baacddcfa9ad01b115234fb5e699848bbefa2144c6f9f9
Formbook
283701722fd569d223d0118a3e85b3e63fa97af7a66dd452d9da0346cefd40bf
Formbook
4a85949b7ffe19e22e4191b55b225cb3ac8b59246785144f585006b94e9ba574
Formbook
72d1ca783a74d9e5e8024a44759419ea5221177d53a2739960a8457e21e773d6
Formbook
86e5af89c88058cd0ed1e94c67bc931727aabcbd6a817776a979bfca282ea488
Formbook
b32ed7458086ae3a05007a54d6660b9ce6382bd82af78c2c56f856ea6f2d95a3
Formbook
d434a9f3609e63a13feafd0bc3bf29abac38d194b72220d9e51054abdaf84826
Formbook
+ 1'274 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230623-rwva1sfd39/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
5ec72cfb77b5d34be196e6b6f6bb15e7b736e08d4fb8c3a4384610123b52213d
MD5 hash:
60bd4f4d92127cd84bf6a6ba23811a97
SHA1 hash:
44e917e879f786d2c4f3e789720e272472f15a4d
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3dd11433-ae5b-4efe-95f9-193cde893365/
Parent samples :
c155fef955e84c3105693dd142f5e385ee89fa251fd071f366dc6caa94a34502
3becd96b73bd64deced370cd1249192900f57ce956d99beb8cfdeb073d811863
SH256 hash:
0e12ac4ce97b5223626bc9a5184711e0ddda5b3f4ac195fcb37d1505d7f09d43
MD5 hash:
fd60cc4bdd96eb6087a16a4cf136fa98
SHA1 hash:
20d1ba879f535f00ca9422b70071766f0e843505
Link:
https://www.unpac.me/results/3dd11433-ae5b-4efe-95f9-193cde893365/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/3dd11433-ae5b-4efe-95f9-193cde893365/
SH256 hash:
6ae86faf4b246a4afefceb1242203280ee6a78af38822147b96124b0c508e59f
MD5 hash:
1a9f27c722765dc96ba63c404bc75169
SHA1 hash:
74518da37834ef78b127277220006a09c0eb54c9
Link:
https://www.unpac.me/results/3dd11433-ae5b-4efe-95f9-193cde893365/
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
Link:
https://www.unpac.me/results/3dd11433-ae5b-4efe-95f9-193cde893365/
SH256 hash:
c155fef955e84c3105693dd142f5e385ee89fa251fd071f366dc6caa94a34502
MD5 hash:
60b7c382b13d3f69eb22b375c8fd0e06
SHA1 hash:
2c01ffaa3448b4c4dbfba0bd614c0b7b6ac318ba
Link:
https://www.unpac.me/results/3dd11433-ae5b-4efe-95f9-193cde893365/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c155fef955e8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c155fef955e84c3105693dd142f5e385ee89fa251fd071f366dc6caa94a34502

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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/402229/

Comments