MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f. 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 4 File information Comments
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SHA256 hash: 1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f
SHA3-384 hash: 17dcad89dd687b8af59ab7f74237a23593493741f43ceef3150bb1172389c72b7a8b8829d780c5740daf2d975c4f9073
SHA1 hash: b7a740841845fb642cf158f82af43bc903b91689
MD5 hash: 453d52cb15bed0fa450d1e734013a6af
humanhash: yellow-grey-neptune-washington
File name:PO663636.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:671'744 bytes
First seen:2024-03-13 13:59:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:BhsJTENl3lNgT61UpX3f+JPUv8Xb1/xOuXH7t94Y7uyLXeXA2fXx2xDU:UxENlvgT61UpX3f+BU2x/xO+7t94Y7a0
TLSH T1B1E401A6317C6B23C67DB1F84861146847F12256216AE7EC5DE337CF98FAF840A24E17
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d4d4d4d4d4d4c4c4 (15 x AgentTesla, 10 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
352
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f.exe
Verdict:
Malicious activity
Analysis date:
2024-03-13 14:04:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/02b9f83d-9522-4539-9da2-42aafb197be5

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/478915/
Detection(s):
Win.Packed.Formbook-10023145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Moving a file to the Program Files subdirectory
Replacing files
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65f1b16a1d6034c3c02adafa/reports/9dd12e89-e89b-4a27-bf11-70d2e926911c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f
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/3fdd630c-984c-4a8d-9428-7a050872db62
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1408286
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1408286 Sample: PO663636.exe Startdate: 13/03/2024 Architecture: WINDOWS Score: 100 54 www.valentinesteddyshop.com 2->54 56 www.smartbatteryshunt.com 2->56 58 16 other IPs or domains 2->58 74 Snort IDS alert for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 12 other signatures 2->80 11 PO663636.exe 7 2->11         started        15 FOjKePbOWWBU.exe 5 2->15         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\FOjKePbOWWBU.exe, PE32 11->50 dropped 52 C:\Users\user\AppData\Local\...\tmp468E.tmp, XML 11->52 dropped 88 Uses schtasks.exe or at.exe to add and modify task schedules 11->88 90 Adds a directory exclusion to Windows Defender 11->90 92 Tries to detect virtualization through RDTSC time measurements 11->92 17 PO663636.exe 11->17         started        20 powershell.exe 22 11->20         started        22 schtasks.exe 1 11->22         started        24 PO663636.exe 11->24         started        94 Multi AV Scanner detection for dropped file 15->94 96 Machine Learning detection for dropped file 15->96 98 Injects a PE file into a foreign processes 15->98 26 FOjKePbOWWBU.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 17->66 68 Maps a DLL or memory area into another process 17->68 70 Sample uses process hollowing technique 17->70 72 Queues an APC in another process (thread injection) 17->72 30 explorer.exe 55 1 17->30 injected 33 WmiPrvSE.exe 20->33         started        35 conhost.exe 20->35         started        37 conhost.exe 22->37         started        39 conhost.exe 28->39         started        process9 dnsIp10 60 www.gosignkochava.com 87.251.79.80, 49724, 80 RISS-ASRU Russian Federation 30->60 62 adilosk.shop 84.32.84.32, 49718, 80 NTT-LT-ASLT Lithuania 30->62 64 7 other IPs or domains 30->64 41 raserver.exe 30->41         started        44 WWAHost.exe 30->44         started        process11 signatures12 82 Modifies the context of a thread in another process (thread injection) 41->82 84 Maps a DLL or memory area into another process 41->84 86 Tries to detect virtualization through RDTSC time measurements 41->86 46 cmd.exe 41->46         started        process13 process14 48 conhost.exe 46->48         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2024-03-12 07:09:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dju2zj2iai7pdzxfllp4qfnrxwcqbh6olbeibxevsal2wcwzuq7q._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:hy07 rat spyware stealer trojan
Link:
https://tria.ge/reports/240313-raz95sgc28/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
8f9477439cd4998405d5181a23d8a811b8a1cd4011b19eadb184cb1993399fc8
MD5 hash:
c1963462802c2b18a19053077d64deb2
SHA1 hash:
f8679c17d5394d1483a586aa0984e3d4d51735e8
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/4f9859f9-78a3-4337-80ab-0efeee87cd38/
Parent samples :
1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f
d56e9061e7f6df6e094d1582d817c381f8ce9ac6c3925cba5da96464487a18b7
3bd968f2cff76757eb1bf75e19e8302ef97417c65ce9c0accf578eafae435c6a
SH256 hash:
06a1ae787e808d6287de314be8bec64ef2e0d3bc1bf2ea71ae268c7b8fb19e2d
MD5 hash:
91b39e533d48f5fa25ac604da90b3d8d
SHA1 hash:
f5dadf1e8fcbe64609e4cd78a27e2810f7a6e69e
Link:
https://www.unpac.me/results/4f9859f9-78a3-4337-80ab-0efeee87cd38/
SH256 hash:
c8c1020fe926cc1851b73c1915ad32e2fc393dccb402782aca8f4ea6379ba84d
MD5 hash:
ef7cf89d9ec52b18a8f5b6ee49820f46
SHA1 hash:
dcf9cb9bb3f72ca4b3cc0c00b27bd9ce10b554bb
Link:
https://www.unpac.me/results/4f9859f9-78a3-4337-80ab-0efeee87cd38/
SH256 hash:
9cd7dcdffc8e1f9e422c0e4b37805ba109fedd8c884c3c8b569937f2ccd80b19
MD5 hash:
578a16fe8520b5c6afa6fb9e8bb907cc
SHA1 hash:
814e6741ea4943513adf473bd729ab5dcd3add7d
Link:
https://www.unpac.me/results/4f9859f9-78a3-4337-80ab-0efeee87cd38/
SH256 hash:
027587d97ebc9bcd240c31b394dea98b1edd68019bd78cf7dc406ee8776e1b7e
MD5 hash:
5545618ba3713878928bad795e8d3fe5
SHA1 hash:
124daadfe3c567fbfe9cbf715063c5a4167d30e4
Link:
https://www.unpac.me/results/4f9859f9-78a3-4337-80ab-0efeee87cd38/
SH256 hash:
1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f
MD5 hash:
453d52cb15bed0fa450d1e734013a6af
SHA1 hash:
b7a740841845fb642cf158f82af43bc903b91689
Link:
https://www.unpac.me/results/4f9859f9-78a3-4337-80ab-0efeee87cd38/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a69aca74802/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/1a69aca748023ef1e6e55adfc815b1bd85009fce584880dc959017ab0ad9a43f

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/478915/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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