MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f1eae60298f6d5fba417912070ac64bb13c35d5f7d60fc207ebb14a6304219. 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: 42f1eae60298f6d5fba417912070ac64bb13c35d5f7d60fc207ebb14a6304219
SHA3-384 hash: 076912c7127ec2ac3ea51d0343d4669911fb0d29cc3bf04e721a679c09d4fb32bd6449cfd091e3229a33591b41c2b251
SHA1 hash: 07fcd4032ba7d282e6b1120c90538086f75df8f6
MD5 hash: 060b39422e48ad28703d8f5a607d2659
humanhash: apart-failed-mexico-eighteen
File name:mfcnvy4bb.bin
Download: download sample
Signature Formbook
Create hunting rule
File size:1'160'192 bytes
First seen:2020-12-22 09:00:25 UTC
Last seen:2020-12-22 10:34:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:gtl5GHwzwCFRRjyJEiV+7YfHvKkao67VNo67w:glUb27jy6iV+8/1ao6jo6
Threatray 3'221 similar samples on MalwareBazaar
TLSH 1F35BE243EEA5004F273BF36CBC97599CBBEFA223643D61A64A1234A4613E41FD8157D
Reporter JAMESWT_WT
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
scan_118637_pdf.zip
Verdict:
Malicious activity
Analysis date:
2020-12-22 08:51:37 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/5699ace1-c7dc-4443-b0fe-b03bd816657c

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/108696/
Detection(s):
SecuriteInfo.com.Generic.mg.060b39422e48ad28.14870.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
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system 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/568048
Signature
.NET source code contains very large strings
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)
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: 333096 Sample: mfcnvy4bb.bin Startdate: 22/12/2020 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 5 other signatures 2->42 10 mfcnvy4bb.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\mfcnvy4bb.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 mfcnvy4bb.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 brookingsjet.com 192.254.235.192, 49755, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 www.randomua.host 162.0.224.158, 49746, 49760, 80 NAMECHEAP-NETUS Canada 17->32 34 22 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.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/42f1eae60298f6d5fba417912070ac64bb13c35d5f7d60fc207ebb14a6304219/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-12-22 09:01:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 29 (68.97%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
124bbabecb8fc90f529eabfbd3aec4e4604782ca267c954ecf9cf38f48b43aa4
Formbook
2128551c6363325c0d054a9a4d19bd066a9bde70d6ee860535d298d6961b54d7
Formbook
46a62d0c493c466428aacdd8d980868e7065e12a33216983b7efea8e013fe37e
Formbook
5120376bed226fac5d8eb936eb1f798fc4f7f51e263e40a2e9b16fcb949eb6e2
Formbook
7052f92dce4eaee0a7a7046c6529d6ebc79ddb2ee6e487cf34c6c7cd5dfea6ee
Formbook
816c03cb950f298dd9096fc6cd40b2449abb2d0d9f962e555db5136864b2b4d5
Formbook
e01cfde284baf9742419669d25007c6db1da8a5895b8547c53b51113ee01f53d
Formbook
ed6182df3469dfdc4084aea0aca3714a90498401d608c7a0ab818329c42ab21f
Formbook
f413624c125a8e6e6e8f4ece883a646fe784bc5a8f4f21185da1df43adc76da1
Formbook
faddb41690e2a06a400248d03aebc186f54cc62f522e54c21e482d7bd165c720
Formbook
+ 3'211 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/201222-k9lwflngvj/
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
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.mentorlawgroup.com/p2he/
Unpacked files
SH256 hash:
42f1eae60298f6d5fba417912070ac64bb13c35d5f7d60fc207ebb14a6304219
MD5 hash:
060b39422e48ad28703d8f5a607d2659
SHA1 hash:
07fcd4032ba7d282e6b1120c90538086f75df8f6
Link:
https://www.unpac.me/results/26afa1b6-76de-4769-a321-f95b1ac43351/
SH256 hash:
51b11613df0a8a93c9bf286ff3696c32f50b7763d78425815afaf1d8564fa186
MD5 hash:
6ecc999b80aac33f4255cd30134483ee
SHA1 hash:
86e68ae281efd6741d89eb30388040bb9e68034b
Link:
https://www.unpac.me/results/26afa1b6-76de-4769-a321-f95b1ac43351/
SH256 hash:
5a55e7898228beba04a3f141b2f9316cd153248d8c41c456cf4c91bba3917928
MD5 hash:
6f75192d19c63c918a6c797522648a61
SHA1 hash:
8d90cb137758907de3532f17a8a8ccf3c33a3a31
Link:
https://www.unpac.me/results/26afa1b6-76de-4769-a321-f95b1ac43351/
SH256 hash:
2772423218e3b95bf9db0f7dc6a35a0a4d39981c2da6fa19e9c18548dd860b96
MD5 hash:
a715b88ac3b89d06bd0d724469262864
SHA1 hash:
c6649ef88e7ed7e54289c5e5a2411efe02833c43
Link:
https://www.unpac.me/results/26afa1b6-76de-4769-a321-f95b1ac43351/
SH256 hash:
0c854129d71b1940eea8e4aa723038361a1758cbe3b347455a8a60c0701b5a79
MD5 hash:
2d8cd6dce15198ba0f7913a4dd6e8121
SHA1 hash:
9cbeaf4c8af5c45fa26280a335d20f632976a383
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/26afa1b6-76de-4769-a321-f95b1ac43351/
Parent samples :
e01cfde284baf9742419669d25007c6db1da8a5895b8547c53b51113ee01f53d
816c03cb950f298dd9096fc6cd40b2449abb2d0d9f962e555db5136864b2b4d5
42f1eae60298f6d5fba417912070ac64bb13c35d5f7d60fc207ebb14a6304219
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/42f1eae60298f6d5fba417912070ac64bb13c35d5f7d60fc207ebb14a6304219

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/108696/

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