MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f9ead41557a685c5f7cd82c6607d7bbe98397bf87cf04be8e7e7e13bea41938. 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 1
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SHA256 hash: 7f9ead41557a685c5f7cd82c6607d7bbe98397bf87cf04be8e7e7e13bea41938
SHA3-384 hash: 29869b03aa4876a668f5951ef9221b2041f8f4312eb32d8543ffbf20e48af294c7acfb189bc1c8a376e2aef06b32779e
SHA1 hash: 07680b353cdc696bece3f891f0a6a73c9087edce
MD5 hash: 588e64f0cecb7be8ffb253782164867b
humanhash: black-ten-pizza-oranges
File name:588e64f0cecb7be8ffb253782164867b
Download: download sample
Signature Formbook
Create hunting rule
File size:214'217 bytes
First seen:2022-05-20 13:18:23 UTC
Last seen:2022-05-20 13:40:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 55f3dfd13c0557d3e32bcbc604441dd3 (124 x Formbook, 18 x Loki, 13 x AgentTesla)
ssdeep 6144:B0Y2TrEiwjwlegl6aSQsnrkLs663oqTL9Q:m31cw7SQ68YTK
Threatray 15'192 similar samples on MalwareBazaar
TLSH T1D0241293A6E0D7A7C5411E711D7BEBAAF236D11A2914718F4F205FE678312E7D80E283
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
588e64f0cecb7be8ffb253782164867b
Verdict:
Malicious activity
Analysis date:
2022-05-20 19:43:45 UTC
Tags:
installer formbook trojan stealer
Link:
https://app.any.run/tasks/e032ed56-3c89-4e3a-be6b-aaacb40ef4e4

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/273053/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.13447.23642.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62879523370bb1455cb7d39f/reports/d46ae90d-42bc-4f96-821f-5bf3ce2cfab4/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/de1d61d0-1d47-4764-961d-e6e50334b3b8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/998607
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 631101 Sample: C7x48EnXew Startdate: 20/05/2022 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 3 other signatures 2->46 10 C7x48EnXew.exe 19 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\hrtmb.exe, PE32 10->30 dropped 13 hrtmb.exe 10->13         started        process5 signatures6 54 Multi AV Scanner detection for dropped file 13->54 56 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->56 58 Uses ipconfig to lookup or modify the Windows network settings 13->58 60 2 other signatures 13->60 16 hrtmb.exe 13->16         started        process7 signatures8 32 Modifies the context of a thread in another process (thread injection) 16->32 34 Maps a DLL or memory area into another process 16->34 36 Sample uses process hollowing technique 16->36 38 Queues an APC in another process (thread injection) 16->38 19 ipconfig.exe 16->19         started        22 explorer.exe 16->22 injected process9 signatures10 48 Modifies the context of a thread in another process (thread injection) 19->48 50 Maps a DLL or memory area into another process 19->50 52 Tries to detect virtualization through RDTSC time measurements 19->52 24 cmd.exe 1 19->24         started        26 explorer.exe 28 19->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/7f9ead41557a685c5f7cd82c6607d7bbe98397bf87cf04be8e7e7e13bea41938/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-05-20 13:19:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p6pk2qkvpjufyx343awgmb6xxpuyhf57q7hqjpuopz7bhpvede4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ba2f6257fb96db81026615bb726f0ede3ea3263f2f79989cbab3f7e3cff97a1
Formbook
2c33c5bc5ff734e08441f0ae726f6a05bdc9aedf06d989767f3283c0ece448a3
Formbook
2f769789848c3e7e7492ad889d72f0087633418aa8368fcbfa63bf2dc31bfd1a
Formbook
4a7aa26a59cccaa38181f61e413214368bd2cb3b8aa9c93c8694cc7d37591a3f
Formbook
5f178e8ceb1e7a58d15110f4f376823069242ee2916a3d30782a14c1dda44cbe
Formbook
8d08a6736ce2ad51b87e1f3e9577a53abd8ca055fb1d7027b97250cecabee199
Formbook
8dcd673164aa9b52292b88ebb6d021dc52334afac2e6b3d4b68d0b4960739b35
Formbook
909570efc48341a6ae00ae8dcbb8d751f912569a4756f7526bc7d0cf1cda81ed
Formbook
98555514bbd11ff97bc555c553087b857314f4da0488e2235080651ee71a0f0f
Formbook
d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f
Formbook
+ 15'182 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r75h rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220520-qkhbmsgdgr/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4982aaf13a3dc1c128975a9fffc5636280ab0acfe390574164edaa019c1b3b9c
MD5 hash:
d8d7186a46fb0078e44ed89c64aa3881
SHA1 hash:
58d3a7922ff841665dbb5341701d37e01b272186
Link:
https://www.unpac.me/results/f92cda21-24b3-4ccc-b1dc-60332a1b60df/
SH256 hash:
7f9ead41557a685c5f7cd82c6607d7bbe98397bf87cf04be8e7e7e13bea41938
MD5 hash:
588e64f0cecb7be8ffb253782164867b
SHA1 hash:
07680b353cdc696bece3f891f0a6a73c9087edce
Link:
https://www.unpac.me/results/f92cda21-24b3-4ccc-b1dc-60332a1b60df/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7f9ead41557a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/7f9ead41557a685c5f7cd82c6607d7bbe98397bf87cf04be8e7e7e13bea41938

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:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 7f9ead41557a685c5f7cd82c6607d7bbe98397bf87cf04be8e7e7e13bea41938

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2204015/
Cape
Cape
https://www.capesandbox.com/analysis/273053/

Comments


Avatar
zbet commented on 2022-05-20 13:18:31 UTC

url : hxxp://198.12.89.154/450/vbc.exe