MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf. 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: bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf
SHA3-384 hash: 6dd8fdcf05369fe1f62386481eefd6b4bc5405104e793c2e245711069d55e4e06ff5f7c4127bd9424a280885d899ab82
SHA1 hash: 2bb98d665f29c75c65f2e1b91b4d9d8f82a6fa36
MD5 hash: 6b739e1d35c38dd6b26a2c17d453746e
humanhash: lamp-connecticut-yellow-queen
File name:6b739e1d35c38dd6b26a2c17d453746e.exe
Download: download sample
Signature Formbook
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File size:642'560 bytes
First seen:2022-06-09 08:35:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:aFI9qcKHxsQ7KxhIPhEzTit6TufJjtDOPHSnVh2U6qm6r6:IIJKeVePcWtq+TKPHSjyqm6r
TLSH T1EFD4F1F1EEFAB860E1182537B894503C37E29F4EDD26952ED28BF54B64527D320E4A07
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6b739e1d35c38dd6b26a2c17d453746e.exe
Verdict:
Malicious activity
Analysis date:
2022-06-09 08:43:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dc7ba680-f260-4b0f-887b-8e511dd20b39

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/278152/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.3618.21955.1803.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62a1b132a2b1fc9744d8e9f4/reports/1155fef6-c42f-41d3-a5a8-174185f199f0/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a3479282-6d44-4330-a904-69e9b04a0b7b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1009798
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-09 08:36:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x32nfmis6mnkjzaa7csxr24hqf7kdlg2ndjbt56f2q4hz2xuglhq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:e63z rat spyware stealer trojan
Link:
https://tria.ge/reports/220609-khly6aheb8/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0ffc3a887eb8ede09eb9a2e2c785bf31373d46649e24d84a362bd9b145cba6c0
MD5 hash:
59dffdfca42bc5e89f2fa2bea4655075
SHA1 hash:
d165c575d025f27bbd617acee66d3023da68e6b2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d021570b-47bf-4aa3-924f-d833ac471886/
Parent samples :
98b28d84bb0b1479d10646a5d34d02f9e25718adc285634fb11d407188089e1d
3d4f0f70fc18a3b464a938ffb32fb693329993738991b2fa2e2f1a3faf84e7b8
6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e
cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b
09c88bcf7ebad851bf96be9d453e25447ce6136b25ccc69f908c436f3e3cfed0
bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf
01b796e6344f0aed01a755666640702444b02776a00bba9797d208730f948ac8
SH256 hash:
935c8a0d4709c283ac81516b2a9bf138ea4f1fd2954b7791e7ac38546b6f890e
MD5 hash:
ca6d31e33c00bb40c2ade89aee8b70bf
SHA1 hash:
ea32c2c8937402a0a1623776874a18f56e43feba
Link:
https://www.unpac.me/results/d021570b-47bf-4aa3-924f-d833ac471886/
SH256 hash:
5a26b4a7a4a4c9515fdebd21ef754c05d48a36f8ddc8fd5f3f3373f3e72ad810
MD5 hash:
6b1b37bb5ccad470353321e38689e633
SHA1 hash:
93aafb3fe859265177df7b113929d48ac47ce7f3
Link:
https://www.unpac.me/results/d021570b-47bf-4aa3-924f-d833ac471886/
SH256 hash:
4b3059a1fcd6c58c7fc4e574766133e89e95cb0fe6631b7f4aee664370c2571d
MD5 hash:
97f6ddc9c7e648e589849d8d6466bc18
SHA1 hash:
1104888244c872d5726728e0cb05ae6edaabf2bf
Link:
https://www.unpac.me/results/d021570b-47bf-4aa3-924f-d833ac471886/
SH256 hash:
bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf
MD5 hash:
6b739e1d35c38dd6b26a2c17d453746e
SHA1 hash:
2bb98d665f29c75c65f2e1b91b4d9d8f82a6fa36
Link:
https://www.unpac.me/results/d021570b-47bf-4aa3-924f-d833ac471886/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bef4d2b112f3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf

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 bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2096984/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/278152/

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