MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba36ce9292b8dbe70a94cbbebd8c3ed21aaac80b1eed16883d25da8f56731560. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba36ce9292b8dbe70a94cbbebd8c3ed21aaac80b1eed16883d25da8f56731560
SHA3-384 hash: 86b6fd78a9631e45b5527717fe5d8146fe1c171d6dfa3848670a450f8a771d8b5bdb1d179bbf075eb69f1639fb1fb4ad
SHA1 hash: 1737b73c753f81acb80cbedade8f8c77b179896c
MD5 hash: a6ca74ab3252cc494d05f151425f9edd
humanhash: single-early-california-butter
File name:a6ca74ab3252cc494d05f151425f9edd.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:980'992 bytes
First seen:2022-12-15 08:31:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:Vmjk32HJMLllTqlZfLfVVD2UhpHHsYiYfO3caE:8jk32H8lTmLfVVphxHXiY237E
TLSH T1EB258C4AB0D94E18EA52EAF10750B6B036973FED25DDAA3C4EE93F4D4432518EC242DD
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 abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a6ca74ab3252cc494d05f151425f9edd.exe
Verdict:
No threats detected
Analysis date:
2022-12-15 08:36:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e8448cc6-2ae2-4abf-8723-9c0036dd359e

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/346565/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.48217.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/639adb864eb0cc4ebcdd1344/reports/2c704bdf-8d82-4bde-9ed2-950191a7f03e/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f4b035e-854a-4821-8bbd-e565e487adb2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1134848
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 767575 Sample: FkLrNMR1Ff.exe Startdate: 15/12/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 7 other signatures 2->50 10 FkLrNMR1Ff.exe 3 2->10         started        process3 file4 36 C:\Users\user\AppData\...\FkLrNMR1Ff.exe.log, ASCII 10->36 dropped 64 Tries to detect virtualization through RDTSC time measurements 10->64 14 FkLrNMR1Ff.exe 10->14         started        17 FkLrNMR1Ff.exe 10->17         started        signatures5 process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 19 explorer.exe 14->19 injected process8 dnsIp9 38 natroredirect.natrocdn.com 85.159.66.93, 49723, 49725, 80 CIZGITR Turkey 19->38 40 www.yenitedarikciniz.xyz 19->40 42 redirect.natrocdn.com 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Performs DNS queries to domains with low reputation 19->54 23 systray.exe 18 19->23         started        signatures10 process11 file12 32 C:\Users\user\AppData\...\O26logrv.ini, data 23->32 dropped 34 C:\Users\user\AppData\...\O26logri.ini, data 23->34 dropped 56 Detected FormBook malware 23->56 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 62 3 other signatures 23->62 27 cmd.exe 2 23->27         started        signatures13 process14 signatures15 66 Tries to harvest and steal browser information (history, passwords, etc) 27->66 30 conhost.exe 27->30         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ba36ce9292b8dbe70a94cbbebd8c3ed21aaac80b1eed16883d25da8f56731560/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-12-14 20:11:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 40 (45.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xi3m5eusxdn6ocuuzo7l3db62inkvsald3wrncb5exni6vttcvqa._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:b47h rat spyware stealer trojan
Link:
https://tria.ge/reports/221215-kfa4waca55/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2cc24262-4fe8-4760-a6e8-c4d0ece26ee5
Unpacked files
SH256 hash:
56698c6b1dc0e6b65194dda05861628a2c3204c0467971a0cbbc5ad800c55620
MD5 hash:
a849a9e4545dd130c7daaf1090f5a935
SHA1 hash:
970b4148796e9cf7f4ffbc0994d0b716ed517c65
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f6838a7a-7008-42f1-ae8d-0163b4fb58df/
Parent samples :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 hash:
35cad145efd0b5b6396491150d2e307d4cb5e06d4f1b41aa310393c6dce520b9
MD5 hash:
56f8354a2e307e73243ff0056295fedd
SHA1 hash:
ed3257769ea438e1b5e86c3ef033e2deca86e239
Link:
https://www.unpac.me/results/f6838a7a-7008-42f1-ae8d-0163b4fb58df/
SH256 hash:
83f50344e18c9f1a32dd4d43becc37b16a451fe1f196b70aa167fedc99959682
MD5 hash:
66f1ba4a3aba87bcdf848c44a1d83ad6
SHA1 hash:
7ea33b32006be746c26eec67f3efb21350a13845
Link:
https://www.unpac.me/results/f6838a7a-7008-42f1-ae8d-0163b4fb58df/
SH256 hash:
1e74e638a179e79455f43503532616b56b8f47cd40237a2295651b7cc91f8542
MD5 hash:
9d2f8aa6f82f85c2c0189896e5684ac0
SHA1 hash:
599646d6ed0d55fdb7eb5c43f2cd56843bde93b1
Link:
https://www.unpac.me/results/f6838a7a-7008-42f1-ae8d-0163b4fb58df/
SH256 hash:
fb71dd68bc3bc2be8c2fe72999a6891fc541f0e63cd93d577a86732d9404a4f0
MD5 hash:
c7211cf4858769f4da30b828121b6198
SHA1 hash:
3c57a6361aca423bc00593765c4fed8a70d0fefd
Link:
https://www.unpac.me/results/f6838a7a-7008-42f1-ae8d-0163b4fb58df/
SH256 hash:
ba36ce9292b8dbe70a94cbbebd8c3ed21aaac80b1eed16883d25da8f56731560
MD5 hash:
a6ca74ab3252cc494d05f151425f9edd
SHA1 hash:
1737b73c753f81acb80cbedade8f8c77b179896c
Link:
https://www.unpac.me/results/f6838a7a-7008-42f1-ae8d-0163b4fb58df/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ba36ce9292b8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/ba36ce9292b8dbe70a94cbbebd8c3ed21aaac80b1eed16883d25da8f56731560

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe ba36ce9292b8dbe70a94cbbebd8c3ed21aaac80b1eed16883d25da8f56731560

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2395551/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/346565/

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