MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ca1b2240b6d547ada7051dc4d0c198517436943ffd7a4d1eebc0bca19ac038a. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6ca1b2240b6d547ada7051dc4d0c198517436943ffd7a4d1eebc0bca19ac038a
SHA3-384 hash: 557e58945443393feb61863bbade4fa601d2b89465409a09af4c9b1d191aae53218965c7c829d0f04f13dd75e647d59f
SHA1 hash: 0f056342e6dffb5c4f3cdd1d7bd4ac5427175be0
MD5 hash: 221e46c09eb3440beb5a2256211c3262
humanhash: beer-wyoming-cat-pip
File name:221e46c09eb3440beb5a2256211c3262.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:962'560 bytes
First seen:2020-11-20 07:28:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:wG0EuC4WRkmWF4fX8Lp1H24SYYSY+hbsBIZG1Xc:e04W62RSPsyZF
Threatray 3'034 similar samples on MalwareBazaar
TLSH 4125C7F890AE1062F15F453966BEFDA801B3BCD7DBDA6908137CF1310BBE6523A05649
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/543768
Signature
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 320986 Sample: 86dXpRWnFG.exe Startdate: 20/11/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 4 other signatures 2->42 10 86dXpRWnFG.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\86dXpRWnFG.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 86dXpRWnFG.exe 10->14         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 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 powderedsilk.com 34.102.136.180, 49767, 80 GOOGLEUS United States 17->30 32 www.voetbalvandaag.net 52.0.217.44, 49768, 80 AMAZON-AESUS United States 17->32 34 www.powderedsilk.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msdt.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6ca1b2240b6d547ada7051dc4d0c198517436943ffd7a4d1eebc0bca19ac038a/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-11-20 01:27:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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1e510326528933cca881fd142e4840c5256a25384310c77ab7dc9f38e390430c
Formbook
273e14710bfe15975737d9e213b6007a29cc795c993b6b121c745581ec1c4b96
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80a9f4ef9f226558954221ab49e2df9557a030d87946368bfb51e7440bd58d8b
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aa7140aa9e404fcab5e45ba552de89669da4446c6a3474f307def1a75a3d37e0
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ade5a7d8aab5f80cf5b8b97c2bdf22922ef7fafa749b2eb7f1655b0349886196
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c61d5fa6c2a4f421767a7c793da96a0e8e88d482e078ef994f0a50bac73464f0
Formbook
cc0807a29f920ca94099399975ae3d52b741d6f1387ea3fb26c44b1bc22cd95c
Formbook
+ 3'024 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/201120-kgy6dqm642/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.blog-cybersecurite.net/ogg/
Unpacked files
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/8cd56ec8-114f-4a6f-b179-54a8d0d8eb8e/
SH256 hash:
59002897481e9b4db769cd82011ea0b2ab154ddf5a3f4bc65e0b3898600a5f90
MD5 hash:
d1c38c6f968d6334069abbe09879c257
SHA1 hash:
c84789572c934eeab9ca93debc12ac64de617607
Link:
https://www.unpac.me/results/8cd56ec8-114f-4a6f-b179-54a8d0d8eb8e/
SH256 hash:
3b44663c6045f9cf00632b612f3bdf06116f3547293c4c812f2db06cbf6c9d55
MD5 hash:
598c55e22af5b0921c0051630843d12a
SHA1 hash:
4d27518084b398c1cab3b40b21a9b8ecd7ce1b3c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8cd56ec8-114f-4a6f-b179-54a8d0d8eb8e/
Parent samples :
6ca1b2240b6d547ada7051dc4d0c198517436943ffd7a4d1eebc0bca19ac038a
12e2fade9c6f17595717385e99c97a448e87bbbb6a7a30ea2c31062983f4c065
06a0e3845d7b4c5593a9143eb1ae73223760d68f2acf0e5be631b9eeab3675f3
SH256 hash:
6ca1b2240b6d547ada7051dc4d0c198517436943ffd7a4d1eebc0bca19ac038a
MD5 hash:
221e46c09eb3440beb5a2256211c3262
SHA1 hash:
0f056342e6dffb5c4f3cdd1d7bd4ac5427175be0
Link:
https://www.unpac.me/results/8cd56ec8-114f-4a6f-b179-54a8d0d8eb8e/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Web download

Formbook

Executable exe 6ca1b2240b6d547ada7051dc4d0c198517436943ffd7a4d1eebc0bca19ac038a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/835918/
  
Delivery method
Distributed via web download

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