MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c689182f2eb4ca29f372d9c51d15ac878f7cb6a5b0abf6b83a6e53abb5279c95. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c689182f2eb4ca29f372d9c51d15ac878f7cb6a5b0abf6b83a6e53abb5279c95
SHA3-384 hash: a6339ee0d89db993e4813842aef066049723d97fa5f1235f2105dec06d8f48fc45bb80dde118dbff5376bb66cebbbf3a
SHA1 hash: c6a7df0141cba6c22f35664e0c7139cb4fe703d1
MD5 hash: c6f311ade929a6fe981c315577d408b1
humanhash: alabama-sad-quebec-earth
File name:c6f311ade929a6fe981c315577d408b1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:896'512 bytes
First seen:2021-01-12 07:11:02 UTC
Last seen:2021-01-12 08:55:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:2/5FR/fgmdHDhdVP+nH8Gf4I29PZY3QFPKebv14AS:2Z/oAHDhj258tt
TLSH 7515C00121796F72E93C97F91A45222883F53B9F18EEE6B40CD170F711B9F865A50ACB
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ 41680.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-12 06:14:19 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/19760c44-512f-454a-a0c9-fd92dfcb616e

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/111402/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.31598.1685.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578687
Signature
.NET source code contains potential unpacker
Found malware configuration
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338392 Sample: yKFlKg9R6m.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 yKFlKg9R6m.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\yKFlKg9R6m.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 yKFlKg9R6m.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 www.holywaterfoundation.com 45.41.85.153, 49750, 80 HENGTONG-IDC-LLCUS United States 17->30 32 mateingseason.com 66.235.200.147, 49749, 80 CLOUDFLARENETUS United States 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 colorcpl.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/c689182f2eb4ca29f372d9c51d15ac878f7cb6a5b0abf6b83a6e53abb5279c95/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 07:11:09 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y2erqlzowtfct43s3hcr2fnmq6hxznvfwcv7nob2nzj2xnjhtskq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-2d1m57eaga/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.theatomicshots.com/xle/
Unpacked files
SH256 hash:
c689182f2eb4ca29f372d9c51d15ac878f7cb6a5b0abf6b83a6e53abb5279c95
MD5 hash:
c6f311ade929a6fe981c315577d408b1
SHA1 hash:
c6a7df0141cba6c22f35664e0c7139cb4fe703d1
Link:
https://www.unpac.me/results/afffb11a-5dcd-4bb8-8fc3-82ea07fde590/
SH256 hash:
5ff6bcb5fdbcc73769db05f446f445b332accb02540a12a38af26206b17521a5
MD5 hash:
99c4b3bca6d729bb86a3570c5f151e79
SHA1 hash:
4db81522c1e65823846e3ed7b4dc4923fff34da0
Link:
https://www.unpac.me/results/afffb11a-5dcd-4bb8-8fc3-82ea07fde590/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/afffb11a-5dcd-4bb8-8fc3-82ea07fde590/
SH256 hash:
1fa7ef7be1c4343628e13635a51011631905dd6727ca166da53c9c9765ffed8c
MD5 hash:
1d579806d94f4c43fcdd13baadeb1c32
SHA1 hash:
18b56c5c8da39428246f0d5f8e124bca9c29e032
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/afffb11a-5dcd-4bb8-8fc3-82ea07fde590/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c689182f2eb4ca29f372d9c51d15ac878f7cb6a5b0abf6b83a6e53abb5279c95

File information

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

Web download

Formbook

Executable exe c689182f2eb4ca29f372d9c51d15ac878f7cb6a5b0abf6b83a6e53abb5279c95

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/952186/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/111402/

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