MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3. 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
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SHA256 hash: 8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3
SHA3-384 hash: 80230a2858f470b1363700e5bad9f850ff88b4b277cccafb83680b72fd01979a3317f9df7de10b188e320c114591353e
SHA1 hash: f82279ae633faa6373884162b92c021641a8b6c1
MD5 hash: b12595918ca15460e667ea56649b29d0
humanhash: seven-oregon-oranges-table
File name:b12595918ca15460e667ea56649b29d0.exe
Download: download sample
Signature Formbook
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File size:760'832 bytes
First seen:2022-08-11 15:53:55 UTC
Last seen:2022-08-11 17:09:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8vpc++V4ZdrbDEiA2p4Al0z/ujQpJo7iGGFr3cvoWTyM2TgN/0s:apSVydvDEXfvz/A6K2Ge3aggi
TLSH T11AF4AEEFAF8C051FCC608B31E94C81B99FA5ACA13522DDEFB9937836D57029C5619E10
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 :
2
# of downloads :
594
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b12595918ca15460e667ea56649b29d0.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-11 15:57:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5e16f667-00b1-4391-8c76-cd6fd9c9d100

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/298044/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.29964.387.UNOFFICIAL
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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:
packed
Link:
https://www.filescan.io/uploads/62f5265fe456f39ac941ed87/reports/807c74de-8393-48cc-8024-d6ffc846866a/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/a6faf0eb-7670-4417-8570-b077c58fbce3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050153
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 682663 Sample: ZsAm5bowC0.exe Startdate: 11/08/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 10 ZsAm5bowC0.exe 4 2->10         started        process3 file4 32 C:\Users\user\AppData\...\ZsAm5bowC0.exe.log, ASCII 10->32 dropped 54 Writes to foreign memory regions 10->54 56 Adds a directory exclusion to Windows Defender 10->56 58 Injects a PE file into a foreign processes 10->58 14 vbc.exe 10->14         started        17 powershell.exe 25 10->17         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 2 other signatures 14->66 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 34 kahramanmarasgayrimenkul.com 89.252.180.102, 49780, 80 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 19->34 36 www.kahramanmarasgayrimenkul.com 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 25 control.exe 19->25         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 25->48 50 Maps a DLL or memory area into another process 25->50 52 Tries to detect virtualization through RDTSC time measurements 25->52 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3/
Threat name:
Win32.Trojan.Pwsx
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Status:
Malicious
First seen:
2022-08-11 14:16:06 UTC
AV detection:
9 of 41 (21.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rkqz6ztrepijeravhaeu7y6wxwsgpjvbfttaxi5y56nbp5obqwzq._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:p63n rat spyware stealer trojan
Link:
https://tria.ge/reports/220811-tb7rqahbhn/
Behaviour
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
Uses the VBS compiler for execution
Formbook payload
Formbook
Unpacked files
SH256 hash:
a92be2fb1c5ac64805e26f267bc2d4290634f742a8737f510ce47905109ceac9
MD5 hash:
6acffe97f6033de7c2d29886966ff129
SHA1 hash:
a07d70ca61e7d17d463b940af6a4eaad8e320022
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/82f94eb7-1440-42fb-af0d-dc6b49e314f1/
Parent samples :
9a6cce3879d0a6097959ba0bdb3d0b05c5b5e625d7c5624a35ddaed455d5af64
ffdb15bbf45a762c112e2e4a642ca9415e9e9b3a7e04319e69242792e27f6ce7
0bf82ae7d8ed992fd02d696ac9e330f2b4a5f6eb082f29e2a99ceeff831eaa4b
97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b
40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2
6e294639b9e9dec345a4b9bdeb29bd5695ea2d84e0fa88633ece9e7e88ad2bb4
8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3
31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306
5c60ec93028885f6319a52ad6ae0d4eaa08cec6a82cf8c7c62d7a060341a77a8
SH256 hash:
9c9be3b3dc58af51be258a43b01f909ce30c0f5f803f8f77ccae9c7412dc607c
MD5 hash:
8b0f18c498f78a74226bcdd6f857663d
SHA1 hash:
bc6f0c7d395348aec631c7035e3931f6d9797e6e
Link:
https://www.unpac.me/results/82f94eb7-1440-42fb-af0d-dc6b49e314f1/
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/82f94eb7-1440-42fb-af0d-dc6b49e314f1/
SH256 hash:
b53c3f813e093f07608b684367f94f579a3057dfe0aa207bae7480ccf05d3034
MD5 hash:
7b11f0dbb32dff5508ba563aa5d5056c
SHA1 hash:
5a1b5f468763e63b3a3319a697a0252415a0c67c
Link:
https://www.unpac.me/results/82f94eb7-1440-42fb-af0d-dc6b49e314f1/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/82f94eb7-1440-42fb-af0d-dc6b49e314f1/
SH256 hash:
8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3
MD5 hash:
b12595918ca15460e667ea56649b29d0
SHA1 hash:
f82279ae633faa6373884162b92c021641a8b6c1
Link:
https://www.unpac.me/results/82f94eb7-1440-42fb-af0d-dc6b49e314f1/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8aa19f667123/report/overview.html
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/8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3

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 8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2271620/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/298044/

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