MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2191a4ebf32c079a54233a65aa7bfb67e1b8824e03e9387e9c843713c6e927f2. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 2191a4ebf32c079a54233a65aa7bfb67e1b8824e03e9387e9c843713c6e927f2
SHA3-384 hash: 7986fc211045cbc09f74b48b3be867e944e64239ca53cfdd76c68619e0dafc84f705334815d501c349af540de950b6b4
SHA1 hash: 34a54ca421d83295691056f83195b59bde5809b3
MD5 hash: 4e08a65130d0aecafc18aedd82271661
humanhash: rugby-ink-echo-single
File name:SOA.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:923'648 bytes
First seen:2022-05-16 09:18:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4jvmIDfxt7J0kR7zKC7NyowgD0btfVNBGtgnnpWc:Y2kxKCcvgDUtf4M
Threatray 13'654 similar samples on MalwareBazaar
TLSH T1F9158C4072D8EE99E42A52B1C975C4F00371BE0AD576D60F29997DCE38B33836266F1B
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SOA.exe
Verdict:
Malicious activity
Analysis date:
2022-05-16 09:25:47 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/323b08da-b7ef-4f78-b486-a1d068b20db1

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/270981/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/628216fa0076642c5950a08c/reports/d991c035-645c-423a-9f3d-de1b32793cc9/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/730ff66c-c006-4770-98d0-85dbcee9173b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994734
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 627227 Sample: SOA.exe Startdate: 16/05/2022 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 7 other signatures 2->46 10 SOA.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\...\fXygCQNXkVFl.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp3CB5.tmp, XML 10->36 dropped 38 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 10->38 dropped 48 Uses schtasks.exe or at.exe to add and modify task schedules 10->48 50 Adds a directory exclusion to Windows Defender 10->50 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 SOA.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 mstsc.exe 21->27         started        signatures10 56 Self deletion via cmd delete 27->56 58 Modifies the context of a thread in another process (thread injection) 27->58 60 Maps a DLL or memory area into another process 27->60 62 Tries to detect virtualization through RDTSC time measurements 27->62 30 cmd.exe 1 27->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2191a4ebf32c079a54233a65aa7bfb67e1b8824e03e9387e9c843713c6e927f2/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 01:49:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
21 of 41 (51.22%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=egi2j27tfqdzuvbdhjs2u673m7q3rasoaputq7u4qq3rhrxje7za._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537
Formbook
46956dd9cd5e3f62c79127e5e8bcd3b420695a0112df256aa07364bc6a32e697
Formbook
5a6ef999cfca382c8c92a11d2100fe5d9866402262ef6ddbacafda527dfb0904
Formbook
98555514bbd11ff97bc555c553087b857314f4da0488e2235080651ee71a0f0f
Formbook
b8d4ae77768d8215b18cec06a4d0266caa302ef62715cc16e0c521cf8a90b686
Formbook
f1c00065ce96cca1c941de4e7a81ab0eba9655357be6598c7fda0c2877af8d96
Formbook
+ 13'644 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:xp73 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220516-k96smsgba9/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Blocklisted process makes network request
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
81a128fdf0d6a67f945d19f7bbc43f1594802a96384e714f9d11422f3802c17e
MD5 hash:
1c833ee8c9bf4dfa81a876e50877d722
SHA1 hash:
c7f0206399c2a47d4aa5e5602b30b8a8511a3df3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/20d44d02-08e5-4091-ab29-6d58bb7704a0/
Parent samples :
df75c3ba349f80f2bdeaea0169f8d27e361428f2c814cf0fbb09df53e6f5576a
2534d307050137b4954836f24f6d43b38c0496979197c07a977336206701f44c
2191a4ebf32c079a54233a65aa7bfb67e1b8824e03e9387e9c843713c6e927f2
SH256 hash:
902aa175d786f126f42dc45a0e5b11e4a17911fcd9e1280176bd40f83e019c7f
MD5 hash:
f84828e580d02432c9cf9a9f94fc093d
SHA1 hash:
e3d40c2b3f8d991a776628571feb8f4ad53890b7
Link:
https://www.unpac.me/results/20d44d02-08e5-4091-ab29-6d58bb7704a0/
SH256 hash:
03c5af0121bb66b587e7a14e7a1b64ac2512e8b6d9a3420db63353329725a4fd
MD5 hash:
d103aaa67e055faf6a1955e82eb5406f
SHA1 hash:
b3ad268c006b87ae95db138529527082bb7ec144
Link:
https://www.unpac.me/results/20d44d02-08e5-4091-ab29-6d58bb7704a0/
SH256 hash:
753bb6d3f2107a7ed0071a4efa04ddb1a9d09edbeb382020e4d558d46b572048
MD5 hash:
b5911e16822a39925df899d348f05e0f
SHA1 hash:
47690a21ed470fae27fa0e315dbbee4d97dd43ee
Link:
https://www.unpac.me/results/20d44d02-08e5-4091-ab29-6d58bb7704a0/
SH256 hash:
2191a4ebf32c079a54233a65aa7bfb67e1b8824e03e9387e9c843713c6e927f2
MD5 hash:
4e08a65130d0aecafc18aedd82271661
SHA1 hash:
34a54ca421d83295691056f83195b59bde5809b3
Link:
https://www.unpac.me/results/20d44d02-08e5-4091-ab29-6d58bb7704a0/
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/2191a4ebf32c079a54233a65aa7bfb67e1b8824e03e9387e9c843713c6e927f2

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.

Malspam

Formbook

Executable exe 2191a4ebf32c079a54233a65aa7bfb67e1b8824e03e9387e9c843713c6e927f2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/270981/

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