MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9887d11928a1c708e094571b877c96ced70c281a265eb7b34fb6103bbf5231b. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9887d11928a1c708e094571b877c96ced70c281a265eb7b34fb6103bbf5231b
SHA3-384 hash: 30dae6194319f6051d91d1344b585abceab2f1733225c1590e6e2398abff9809796f05e6a47c27da216960a92acef674
SHA1 hash: 24430ef6c847d1481f781585df45c16e5b69425e
MD5 hash: fa5937e176d9ca57aaf46c9782946998
humanhash: echo-tango-michigan-tennessee
File name:SecuriteInfo.com.Win32.PWSX-gen.13199.16919
Download: download sample
Signature Formbook
Create hunting rule
File size:81'920 bytes
First seen:2023-08-17 14:30:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:rFncunAC4mRCPf/XPWWgwvK077ClAhIa0s45DT2BLiREcB1+kq01tc2qrs:RncunAC4mEPH/v5Ia1xcBcyZqI
Threatray 206 similar samples on MalwareBazaar
TLSH T11683085406984627C7ACC2B9E5C10986AF72D26FBA06E75AFE4C4DA59F77BF01003783
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.13199.16919
Verdict:
Malicious activity
Analysis date:
2023-08-17 14:33:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/adcb6933-ead6-4277-a17d-0b3fe1e97ba8

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/443227/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13199.16919.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Gathering data
Verdict:
Malicious
Labled as:
MSIL/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/a9887d11928a1c708e094571b877c96ced70c281a265eb7b34fb6103bbf5231b
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/7345f7ca-fe0c-413a-a22d-156b0d14c939
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1292840
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1292840 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 6 other signatures 2->58 9 SecuriteInfo.com.Win32.PWSX-gen.13199.16919.exe 16 6 2->9         started        14 Otjhwtezfei.exe 14 6 2->14         started        16 Otjhwtezfei.exe 4 2->16         started        process3 dnsIp4 50 files.catbox.moe 108.181.20.39, 443, 49707, 49716 ASN852CA Canada 9->50 42 C:\Users\user\AppData\...\Otjhwtezfei.exe, PE32 9->42 dropped 66 Writes to foreign memory regions 9->66 68 Injects a PE file into a foreign processes 9->68 18 MSBuild.exe 9->18         started        21 MSBuild.exe 9->21         started        70 Multi AV Scanner detection for dropped file 14->70 23 MSBuild.exe 14->23         started        25 MSBuild.exe 16->25         started        27 MSBuild.exe 16->27         started        file5 signatures6 process7 signatures8 60 Maps a DLL or memory area into another process 18->60 62 Queues an APC in another process (thread injection) 18->62 29 gOJdcncOiPhnjEVCzzhAZC.exe 18->29 injected process9 process10 31 netsh.exe 13 29->31         started        34 autofmt.exe 29->34         started        signatures11 72 Tries to steal Mail credentials (via file / registry access) 31->72 74 Tries to harvest and steal browser information (history, passwords, etc) 31->74 76 Modifies the context of a thread in another process (thread injection) 31->76 78 Maps a DLL or memory area into another process 31->78 36 explorer.exe 31->36 injected 40 gOJdcncOiPhnjEVCzzhAZC.exe 31->40 injected process12 dnsIp13 44 nasyoeastasia.org 192.185.129.44, 49735, 49736, 49737 UNIFIEDLAYER-AS-1US United States 36->44 46 www.antonio-vivaldi.mobi 46.30.213.185, 49765, 49766, 49767 ONECOMDK Denmark 36->46 48 8 other IPs or domains 36->48 64 System process connects to network (likely due to code injection or exploit) 36->64 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9887d11928a1c708e094571b877c96ced70c281a265eb7b34fb6103bbf5231b/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgeh2emsriohbdqjivy3q56jntwxbqubujs6w6zu7nqqho7vemnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
54ec929ab868528d647d285298b5ab71ef9aad83e1a3594b3d13f2a02f127d96
Formbook
77b2df747c5ded816a5baa3d1f38beaea588aa7f4d043d7b9e9c5d67991ad852
Formbook
83486e9c90423ff3dcd923817140140c22f5e77a84f87cf5301bba30453f5172
Formbook
86fe793dd78fe5b8f80d271bad4f574577222d150fa1d21517f26ac8b77193be
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93512f8df3b84088ddebeaa216201bfc2a2e9d68ded4133a9ef94fc5f154b229
Formbook
b6b2b89e880bddb6817fc3da22e4cf9a0e6f823667f8d3eb5de2e8943f745405
Formbook
b884c2251b7291036331d340c2ec96842d198e858cf1e8cbca7b80bf95a75727
Formbook
c1a46fa04740b97fb8ffd1a24b00a770dd5ccb929a66583ed48a4ce75da7c175
Formbook
d815c085093b35ac977c206b6ea93dee817c02e926dd32768713b3a6bc7d1869
Formbook
+ 196 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/230817-rvpzxabe3x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
a9887d11928a1c708e094571b877c96ced70c281a265eb7b34fb6103bbf5231b
MD5 hash:
fa5937e176d9ca57aaf46c9782946998
SHA1 hash:
24430ef6c847d1481f781585df45c16e5b69425e
Link:
https://www.unpac.me/results/7c9daf4d-b9e5-4c2c-84e6-583295f644d3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a9887d11928a/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/a9887d11928a1c708e094571b877c96ced70c281a265eb7b34fb6103bbf5231b

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/443227/

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