MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0843599494471ac72b515fc33ea317ed0b384257ff9cb2de7e93a657f9e89878. 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: 0843599494471ac72b515fc33ea317ed0b384257ff9cb2de7e93a657f9e89878
SHA3-384 hash: 28c3bb92c23ac12c767e44ce51782bf5d471a3c613e537161a6ed908c0ce17db872d64d7ed006b661cbde003297a28e1
SHA1 hash: ee79d3b51678cc4d8b8fcc5fc332ece0de0af634
MD5 hash: 5b0a8804322abd640a1adfc8e19023f1
humanhash: mexico-maine-cold-victor
File name:muestras de productos.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:898'560 bytes
First seen:2021-07-19 16:00:19 UTC
Last seen:2021-07-19 16:46:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:0H6lNyvUIZbVlBPI2VBPzgTiBgJPMXDrkcamY2c1hhI3y3GN50pcLfqZQe:AvDBlBPIOBPiKgJPiDQ+Y2Dy058cLqZ
Threatray 6'067 similar samples on MalwareBazaar
TLSH T19B15F1263227A204DC3883F55C69D1F12BBE6C1A666CC7782AC4ED7F3D7267C5AD0681
Reporter Racco42
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
muestras de productos.exe
Verdict:
Malicious activity
Analysis date:
2021-07-19 16:04:54 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/34856325-2063-4aa1-85e7-1e9eec7f1545

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/172613/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935.1955.1200.UNOFFICIAL
Create hunting rule

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/a4f7d46b-8474-483b-9223-dce6e85b0c9f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/818380
Signature
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)
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: Suspicious Process Start Without DLL
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 450792 Sample: muestras de productos.exe Startdate: 19/07/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 5 other signatures 2->42 10 muestras de productos.exe 7 2->10         started        process3 file4 30 C:\Users\user\AppData\...\AVeTHWzkrW.exe, PE32 10->30 dropped 32 C:\Users\user\AppData\Local\...\tmp360A.tmp, XML 10->32 dropped 34 C:\Users\...\muestras de productos.exe.log, ASCII 10->34 dropped 50 Writes to foreign memory regions 10->50 52 Injects a PE file into a foreign processes 10->52 14 RegSvcs.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 19 explorer.exe 14->19 injected 21 conhost.exe 17->21         started        process8 process9 23 chkdsk.exe 19->23         started        signatures10 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0843599494471ac72b515fc33ea317ed0b384257ff9cb2de7e93a657f9e89878/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-19 10:55:31 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bbbvtfeui4nmok2rl7bt5iyx5uftqqsx76olfxt6sotfp6pitb4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
226b86760e9d055f5d5bbb414a3b0daa69fad524622b2b5a41f044a8c7a210b6
Formbook
2cc3b4295747aeeb5a54b923fdbc9be766ee156c8914f5c07663f7cb1055068e
Formbook
2d3642f2c997cdd1a84d283738cd6d09f321f681dbc26fab6cca262d59401e20
Formbook
3ba0da5db0ccdbabdfd7e95fe24a1c43056b77893dc6c589ede0a2a4ba365cce
Formbook
45abf01202d5b9993c5d873917cb8f943ed0c479628b62f0bd1e0453c385597c
Formbook
a273d1b904ea821a804171f679decc9ab254848d9b68cfa0b6b87886784a0791
Formbook
c224e597b165da77d8555c2d28901b3526dd5369f0b89b4cd4c798c18a088c16
Formbook
ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def
Formbook
d797bbe1f6d58628e5c9d45b38c10ff983064c3230f3222ffa3a17a80172be94
Formbook
e38f60c9ff210681232148c43db51f11967e6360940b50a646c8edb472fb1c42
Formbook
+ 6'057 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210719-ld8cd74v5n/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.recareerrecruiter.com/w56m/
Unpacked files
SH256 hash:
dcb835c1161010d6bc74d93bb5d13628b947c65976563cfcd688b152125ec735
MD5 hash:
44dd39404ad66587023e849fbf3ec2ff
SHA1 hash:
c7ff8c56aa6620bf2e82bc266d77c4a30933f72b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/83ac8736-e2fb-4259-ac81-8ada32055b2c/
Parent samples :
0ad43fd8a30f20f600092744496b9008b6293f1c845a567d8b9ad9b9537e16cf
2558ad56322f3be1bcc074599d4f1dad5b9a7ce800d023d79560d30b0f619f50
45abf01202d5b9993c5d873917cb8f943ed0c479628b62f0bd1e0453c385597c
0843599494471ac72b515fc33ea317ed0b384257ff9cb2de7e93a657f9e89878
ccad88cfcaf9a2b65b29af3fe6b85559efe3ffcf032ada3919cfa656eef60e54
5131b99eca49a0694073f43f58543781fd6adecc63a0cd643a50686b4d3e001a
5e4a7a05fd61a82f8bccc6a21dfbcfe91310e4051a0fc7f2c358037a223e193d
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/83ac8736-e2fb-4259-ac81-8ada32055b2c/
SH256 hash:
0843599494471ac72b515fc33ea317ed0b384257ff9cb2de7e93a657f9e89878
MD5 hash:
5b0a8804322abd640a1adfc8e19023f1
SHA1 hash:
ee79d3b51678cc4d8b8fcc5fc332ece0de0af634
Link:
https://www.unpac.me/results/83ac8736-e2fb-4259-ac81-8ada32055b2c/
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/0843599494471ac72b515fc33ea317ed0b384257ff9cb2de7e93a657f9e89878

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 0843599494471ac72b515fc33ea317ed0b384257ff9cb2de7e93a657f9e89878

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/172613/

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