MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b12d8826259b178e759625c17f5363f435e0ef71508f08e4be0c2cb17ed7879e. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments 1
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SHA256 hash: b12d8826259b178e759625c17f5363f435e0ef71508f08e4be0c2cb17ed7879e
SHA3-384 hash: 24bd629083cd7206f33d572324fd7c84676528504f9608e7e9572d7c4cecc663507c9afdf038a46cbdcc9fbd4bb6054f
SHA1 hash: 66b3e103c1d4392d73c5e1a528eb42d2ce7908ab
MD5 hash: 0740043e545fa93a30b9b87482adb137
humanhash: beryllium-romeo-leopard-november
File name:0740043e545fa93a30b9b87482adb137
Download: download sample
Signature Formbook
Create hunting rule
File size:239'104 bytes
First seen:2022-07-19 19:08:28 UTC
Last seen:2022-07-22 11:32:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:eKqkI+BXqImxej97u27OXNRw9LXeagryiiJ:eMI79xeZuxgXeagrA
Threatray 14'292 similar samples on MalwareBazaar
TLSH T1C634F198366EFA83D43506B5D4D246B820E89C3A4743D72F66E8653F7E80B80AF5DD4C
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e1c08cde66bc68c1 (2 x Formbook, 1 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/292007/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.25670.11913.16459.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/62d7020fef2b0e63a8270105/reports/12523f29-19eb-48db-8dd4-36d9ab45090c/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9764b0dc-8f9f-4bc0-a76d-077b11f1d822
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036786
Signature
C2 URLs / IPs found in malware configuration
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 669282 Sample: C0Lj69Tcj7.exe Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 31 www.vip89.club 2->31 33 www.udicoin.net 2->33 35 28 other IPs or domains 2->35 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 4 other signatures 2->49 11 C0Lj69Tcj7.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\C0Lj69Tcj7.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 C0Lj69Tcj7.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 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.sts--pl.com 185.104.45.76, 49756, 80 UKRAINE-ASUA Ukraine 18->37 39 www.elhoodurbano.com 75.126.104.237, 49752, 80 SOFTLAYERUS United States 18->39 41 12 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 systray.exe 12 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/b12d8826259b178e759625c17f5363f435e0ef71508f08e4be0c2cb17ed7879e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-19 19:09:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wewyqjrftmly45mwexax6u3d6q26b33rkchqrzf6bqwlc7wxq6pa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4111a65993a5f0b32a930fdca8b4e07b47b9dd63e5e81bb102819ffacf17ef84
Formbook
4f1763ec9c70f7a1c4eb624dfb41e888d95fe0ece92d694977f7a3bd8b24bd1a
Formbook
5e55e66121f1174ceac55c495396208f8e48a1a2509e8488863c6c2a285d4d82
Formbook
8370746ea957582a6e53d4ffb81c864b484d73cbea2904b040375ee851bcb06d
Formbook
bde973ce4bd8579f67d83da2693411bf4eeb5c0c2c1dbac9c3aa96030be6f433
Formbook
cb9934d2f592f67086f8c33eaf75eab1d048b9985b6acf297aca4c98d07ddda1
Formbook
cee7405ff87829bb8a24223967a1e8f6a26d3960d5b63d1145d77bffaad1bc5d
Formbook
ed015ed57a2c858ef5cb3316d1d6031631e2b5214d28a4dc37c9032ac5e5a126
Formbook
+ 14'282 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:eni9 rat spyware stealer trojan
Link:
https://tria.ge/reports/220719-xtrp1aabbp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
6b0a05ab12534dd75e3a2d775d15e11927f7885d3dbba52938cf89dd173e73ed
MD5 hash:
bd12f987335f8be45d8428ca5aff3f0d
SHA1 hash:
1cb3ab53c6387a7564771a2083c3bcf9afe9c049
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/6d51b66c-b04b-45f6-a07e-fcad0ac1a07d/
Parent samples :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 hash:
b12d8826259b178e759625c17f5363f435e0ef71508f08e4be0c2cb17ed7879e
MD5 hash:
0740043e545fa93a30b9b87482adb137
SHA1 hash:
66b3e103c1d4392d73c5e1a528eb42d2ce7908ab
Link:
https://www.unpac.me/results/6d51b66c-b04b-45f6-a07e-fcad0ac1a07d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b12d8826259b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b12d8826259b178e759625c17f5363f435e0ef71508f08e4be0c2cb17ed7879e

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe b12d8826259b178e759625c17f5363f435e0ef71508f08e4be0c2cb17ed7879e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2259076/
Cape
Cape
https://www.capesandbox.com/analysis/292007/

Comments


Avatar
zbet commented on 2022-07-19 19:08:34 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/fmbj2.exe