MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05644ebbc57c10f6065f97bc7d4780e9152e20f502def64d4ba3085a286909e8. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05644ebbc57c10f6065f97bc7d4780e9152e20f502def64d4ba3085a286909e8
SHA3-384 hash: dd9b231da9b724ba996e8fa59ba70c1d86da5df766da0934757a132421e67b60d0e8d95e9871008d87a246e3875a019f
SHA1 hash: 67a9cf6b451e60d3e90d725f586c003f6802508c
MD5 hash: 1a967d150c8100bdb0f526b12ca7f77f
humanhash: snake-carolina-michigan-bravo
File name:SecuriteInfo.com.Win32.RATX-gen.18522.2502
Download: download sample
Signature Formbook
Create hunting rule
File size:863'744 bytes
First seen:2022-12-15 20:27:22 UTC
Last seen:2022-12-15 20:58:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:CvLrTFcVH0XJgfIfML+20vLdheJyZ9mG/aD:evOVH0ZA7L+2YLTEQ9mG/aD
TLSH T14D058C0A71D98F59EA62DBF10600B4B0269737DD24DDEA3C8EEA0FCE4412B18D9456DF
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.18522.2502
Verdict:
Malicious activity
Analysis date:
2022-12-15 20:27:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/15628d88-140e-4abe-9de1-31fc1d3f046a

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/346768/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.18522.2502.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/639b8354c6e77ce5aa010c13/reports/6c249331-ff21-4437-9174-db4083d0e480/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c0c4268-bb67-410f-a116-ec975e02a65b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1135311
Signature
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
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
Sigma detected: Scheduled temp file as task from temp location
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: 768041 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 15/12/2022 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 5 other signatures 2->46 7 SecuriteInfo.com.Win32.RATX-gen.18522.2502.exe 7 2->7         started        11 BksQBuNWDaNg.exe 5 2->11         started        process3 file4 32 C:\Users\user\AppData\...\BksQBuNWDaNg.exe, PE32 7->32 dropped 34 C:\Users\...\BksQBuNWDaNg.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp9479.tmp, XML 7->36 dropped 38 SecuriteInfo.com.W....18522.2502.exe.log, ASCII 7->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Adds a directory exclusion to Windows Defender 7->54 56 Tries to detect virtualization through RDTSC time measurements 7->56 13 powershell.exe 19 7->13         started        15 schtasks.exe 1 7->15         started        17 SecuriteInfo.com.Win32.RATX-gen.18522.2502.exe 7->17         started        58 Multi AV Scanner detection for dropped file 11->58 60 Injects a PE file into a foreign processes 11->60 19 BksQBuNWDaNg.exe 11->19         started        22 schtasks.exe 1 11->22         started        signatures5 process6 signatures7 24 conhost.exe 13->24         started        26 conhost.exe 15->26         started        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 28 explorer.exe 19->28 injected 30 conhost.exe 22->30         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/05644ebbc57c10f6065f97bc7d4780e9152e20f502def64d4ba3085a286909e8/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-12-15 18:48:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=avse5o6fpqipmbs7s66h2r4a5eks4ihvalppmtklumefukdjbhua._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oi05 rat spyware stealer trojan
Link:
https://tria.ge/reports/221215-y8zjtsgd3s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8c71be27-6938-40ff-88bc-c7217e425894
Unpacked files
SH256 hash:
b13398f344cf3dd0b6fe84d88c660632fb920b5372ae3c6589ee066943701ce2
MD5 hash:
4545769ce5c787ac0bbe1d83ac5f41ac
SHA1 hash:
9bbdb83fcc1e3a6b87155001a7ab2188a9518111
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d8f0b6cc-b910-4f8b-b31e-33b2326e5f8a/
Parent samples :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 hash:
35cad145efd0b5b6396491150d2e307d4cb5e06d4f1b41aa310393c6dce520b9
MD5 hash:
56f8354a2e307e73243ff0056295fedd
SHA1 hash:
ed3257769ea438e1b5e86c3ef033e2deca86e239
Link:
https://www.unpac.me/results/d8f0b6cc-b910-4f8b-b31e-33b2326e5f8a/
SH256 hash:
d545b3c88a3c924abacf1cf8e48218dce85b85a368440bbee7d1b2498346907c
MD5 hash:
be2fefbda6d802300b4c5087acd46408
SHA1 hash:
deb6c2652de5fda904c6074a2da1a52a4dab05e9
Link:
https://www.unpac.me/results/d8f0b6cc-b910-4f8b-b31e-33b2326e5f8a/
SH256 hash:
c39a301b6a387a37d2539cf8b56e6c5bc3f4f9fe422ec4cc9564cbb2c8d24392
MD5 hash:
ea2bd3b9bb38943c0378661366a75541
SHA1 hash:
c8057d931e094351b2b0f1c3717e548b9945f1a0
Link:
https://www.unpac.me/results/d8f0b6cc-b910-4f8b-b31e-33b2326e5f8a/
SH256 hash:
ddb4b9708827cb344d5c08c6b07571d0d6a38fd4b594bcbdb73fa4e0104b274d
MD5 hash:
4709d80b2fe48a1401137beae6f231c7
SHA1 hash:
53856da064431f669e254da51bf4a3e7db634120
Link:
https://www.unpac.me/results/d8f0b6cc-b910-4f8b-b31e-33b2326e5f8a/
SH256 hash:
05644ebbc57c10f6065f97bc7d4780e9152e20f502def64d4ba3085a286909e8
MD5 hash:
1a967d150c8100bdb0f526b12ca7f77f
SHA1 hash:
67a9cf6b451e60d3e90d725f586c003f6802508c
Link:
https://www.unpac.me/results/d8f0b6cc-b910-4f8b-b31e-33b2326e5f8a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/05644ebbc57c/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/05644ebbc57c10f6065f97bc7d4780e9152e20f502def64d4ba3085a286909e8

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.

Cape
Cape
https://www.capesandbox.com/analysis/346768/

Comments