MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf
SHA3-384 hash: c6bdcc95ad72eeb06883b0f4bee9e86c339c0b7432413283601b865b863481d88252c25a0e415aa0dd0925bf8fe40aac
SHA1 hash: 804068784e0b874b27146361fb6e9b98d30c7451
MD5 hash: 3093fbc1285eae874e39161553540c6c
humanhash: crazy-tango-orange-one
File name:3093fbc1285eae874e39161553540c6c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:904'192 bytes
First seen:2020-11-25 07:38:56 UTC
Last seen:2020-11-25 10:47:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:9BYHMwUDPHMYHM62oEHMDYtsqhNGk+wTuqlY75LvENHM:II7bwoYOcsqkwTu0DN
Threatray 3'021 similar samples on MalwareBazaar
TLSH B8159C27339C87ECCB6C7BF8543011BF36A6DA50822DF6ACDED6CC474B5286805B5A85
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Forced shutdown of a system process
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/546697
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 322443 Sample: Lv3pXahxWE.exe Startdate: 25/11/2020 Architecture: WINDOWS Score: 100 31 www.suffocatinglymundanepodcast.com 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AntiVM_3 2->43 45 6 other signatures 2->45 11 Lv3pXahxWE.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Lv3pXahxWE.exe.log, ASCII 11->29 dropped 55 Writes to foreign memory regions 11->55 57 Injects a PE file into a foreign processes 11->57 15 vbc.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 2 other signatures 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 affinitymotorsales.com 216.130.188.93, 49741, 80 WEBAIR-INTERNETUS United States 18->33 35 directprnews.com 172.96.184.207, 49738, 80 SINGLEHOP-LLCUS Canada 18->35 37 3 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf/
Threat name:
ByteCode-MSIL.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2020-11-25 07:06:22 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pi4vcp2cqn2lkcsbzdjqufyesbrhaac4iz25wa6ycd4zod6zno7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33
Formbook
12898cbec097104c225702c61e311cc6e12d0f4ac55b95a1eb41a812e6941748
Formbook
2f96167c307b2b82ca3ed1b6b6368b607cb075e178aef0ea4ff7bd4c203e7d6b
Formbook
5943e0f810c211de134f7225c22c1d453da8acb0b6774b86b60eeb084b61a37a
Formbook
a9ee569395b89fd6a4a129896d38f1ed68fb6b512bbd54cdf570ec4f2ea70497
Formbook
ab2d651176cc27c6b41e7d6bdb060c328d66e68c4fb8df1b2c0a217187b2c15d
Formbook
b9225c079305112fcd1d5be698796eb426a668779daff06b99986266c161ab52
Formbook
e84b45b4e30dbdd8025a76075af204369ea5b1c638b7c15ec7998600936ce181
Formbook
ece024ccd4accbc99e106f03c4b4764765b37615e3caa0b021084ac5f689cc3e
Formbook
f1ca0286fa691166ab71220ee3243bcfa4e73b17247e382edaf6c1590d50d3a2
Formbook
+ 3'011 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201125-rlgt2ylzm2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thesiromiel.com/kgw/
Unpacked files
SH256 hash:
7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf
MD5 hash:
3093fbc1285eae874e39161553540c6c
SHA1 hash:
804068784e0b874b27146361fb6e9b98d30c7451
Link:
https://www.unpac.me/results/3d021244-18da-4950-ad3a-4204e8f28352/
SH256 hash:
572c5ce9365acdc5fb401c571ddb91ad266256270054defabf1c2611c11152ae
MD5 hash:
caa576eba6f54daa0fa4cb38e9682896
SHA1 hash:
7ac8cd69a05d9c27244f4848dbc7627745ea2dee
Link:
https://www.unpac.me/results/3d021244-18da-4950-ad3a-4204e8f28352/
SH256 hash:
a3a008b87ded765ed76c9bedd06dbae5f62edd573da15d376cb3fb91b4bd7f09
MD5 hash:
5ae25f51e2881f74cc9e057ef48c02a6
SHA1 hash:
a8e9e48e0e788e76ce01e923946bfb0c2098b39c
Link:
https://www.unpac.me/results/3d021244-18da-4950-ad3a-4204e8f28352/
SH256 hash:
05a65d149c249770390b56b668b5de0b44ced8048a037b275b6ec54fd1b224eb
MD5 hash:
e15f5fdd86484cbd72f4839a62816fc7
SHA1 hash:
d0ae24248e098011a4358afa2dc5c89e76dd3963
Link:
https://www.unpac.me/results/3d021244-18da-4950-ad3a-4204e8f28352/
SH256 hash:
b087a4c845235d514eb24a87f9af3c3f4171050906450d2d185e056caa4ba0f6
MD5 hash:
63ba6b8c7406b7c5af6526977517a7bf
SHA1 hash:
704e4e782aa010d23342b5bff350024a355c88d4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3d021244-18da-4950-ad3a-4204e8f28352/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/852304/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/105485/

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