MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12a921f6abb929d4f8b28924868dcc468299e44745c37db3aa7e4ac9bfe38869. 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: 16


Intelligence 16 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12a921f6abb929d4f8b28924868dcc468299e44745c37db3aa7e4ac9bfe38869
SHA3-384 hash: 7ffad9fc268b5dd5cd5f98bc3743009f85afd93198ea4627ed0927ca8aada8faddc442f301bb9b2c4812571716a463fb
SHA1 hash: 618f5bf8bea9d2c431c4389c18e2dd91082a0d67
MD5 hash: 2b087c00777a630a4100c122f4687783
humanhash: march-iowa-virginia-vegan
File name:2b087c00777a630a4100c122f4687783
Download: download sample
Signature Formbook
Create hunting rule
File size:342'437 bytes
First seen:2022-12-07 12:47:22 UTC
Last seen:2022-12-07 14:33:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 6144:QBn1W74u851+xu+La/EZ4sAR7Im/VvQgUJ5IBjiIQ1XhXXMaXTEZ2iaH4hY:gW7OgxLLaE2R7IwY5MjinzEoPHKY
TLSH T1717423B9B3E2D4B3EB619CB55FAE6B3AC53547486071817B2FF00F3288A40D7945D982
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
2b087c00777a630a4100c122f4687783
Verdict:
Malicious activity
Analysis date:
2022-12-07 12:50:09 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/2a851646-5c29-4230-8d3b-10a5e1ea53a6

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/343934/
Detection(s):
SecuriteInfo.com.FileRepMalware.31525.11784.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63908b85485d8463dc40d43e/reports/766ae6a9-c2e3-4fb7-865a-7dec935ff2ce/overview
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/ada92cc6-4ccd-412c-abbb-8a5c9722a6bc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1129902
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 domain / URL
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 762689 Sample: NV3TXeETmM.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 5 other signatures 2->41 9 NV3TXeETmM.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\rbygg.exe, PE32 9->27 dropped 12 rbygg.exe 1 9->12         started        process5 signatures6 53 Multi AV Scanner detection for dropped file 12->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 rbygg.exe 12->15         started        18 conhost.exe 12->18         started        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 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 15->20 injected process9 dnsIp10 29 www.afterdarksocial.club 162.214.129.149, 49724, 49725, 49756 UNIFIEDLAYER-AS-1US United States 20->29 31 eufidelizo.com 192.185.217.47, 49720, 49753, 80 UNIFIEDLAYER-AS-1US United States 20->31 33 23 other IPs or domains 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 24 rundll32.exe 13 20->24         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 24->45 47 Tries to harvest and steal browser information (history, passwords, etc) 24->47 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12a921f6abb929d4f8b28924868dcc468299e44745c37db3aa7e4ac9bfe38869/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-07 12:48:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckusd5vlxeu5j6fsresindomi2bjtzchixbx3m5kpzfmtp7drbuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:henz rat spyware stealer trojan
Link:
https://tria.ge/reports/221207-p1slwaeh72/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6536a2a5-7b45-467d-b4cb-fa122c3e716b
Unpacked files
SH256 hash:
0e269590075db8fae5f50fc93f05858bee15d0df70fded8257ea05d8dabddc9d
MD5 hash:
346661ca43cb88e99995cdd7c82e8451
SHA1 hash:
4c546b5e83e75342451908d42a3e393246595734
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/894fb3c1-1e93-4dcd-a953-066fa748b200/
Parent samples :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 hash:
28b16f47301f54fa84b0bc5ac89a7af59689d9cef26c72dc46899e68d721927c
MD5 hash:
1a19d42acf93b01f6510ffca0eec3f99
SHA1 hash:
d3a5adc90c2bc1d9b99143800966295b8af46cb9
Link:
https://www.unpac.me/results/894fb3c1-1e93-4dcd-a953-066fa748b200/
SH256 hash:
408c5d65bd00332fcc1fcdfd1b01e6bcea3ec07d236f2d203977d824c76cdcf4
MD5 hash:
8dcd475914550c7b97c0692d42b0b5cc
SHA1 hash:
07f9a2e01086f31881d2b46447a30032ddaf1b75
Link:
https://www.unpac.me/results/894fb3c1-1e93-4dcd-a953-066fa748b200/
SH256 hash:
12a921f6abb929d4f8b28924868dcc468299e44745c37db3aa7e4ac9bfe38869
MD5 hash:
2b087c00777a630a4100c122f4687783
SHA1 hash:
618f5bf8bea9d2c431c4389c18e2dd91082a0d67
Link:
https://www.unpac.me/results/894fb3c1-1e93-4dcd-a953-066fa748b200/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/12a921f6abb9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.58
Link:
https://yomi.yoroi.company/submissions/12a921f6abb929d4f8b28924868dcc468299e44745c37db3aa7e4ac9bfe38869

File information

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

Web download

Formbook

Executable exe 12a921f6abb929d4f8b28924868dcc468299e44745c37db3aa7e4ac9bfe38869

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/343934/
  
URLhaus
https://urlhaus.abuse.ch/url/2449552/

Comments


Avatar
zbet commented on 2022-12-07 12:47:27 UTC

url : hxxp://103.133.110.147/outlook/vbc.exe