MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1. 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 2 File information Comments
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SHA256 hash: 0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1
SHA3-384 hash: 9fe2eefc8577f779855b7ead85808d1c504f18c9a3ef79f5693d04280d9717774ea589823396b5d19791bb66d711876a
SHA1 hash: d5c650f88dcc098ddfd6baf447965d2969ae5f33
MD5 hash: 4fdfdc2be8d65a125551ef2dba2d8c66
humanhash: hawaii-batman-snake-rugby
File name:Invoice-11-8-2022.exe
Download: download sample
Signature Formbook
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File size:842'240 bytes
First seen:2022-08-11 11:52:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:HU6oKggb2iNdvpc++qbDyRjDP3q1hT+WXiVaWSKenOtdJM2TgN/0s:H9oKgK1XpSsMjDPWhTxXiVaW3en85gi
TLSH T1A905AEAFBA9C440FCC624B31E84C84B99FA5FDA17922CDEFB9933526D5702DC6518E10
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
422
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Invoice-11-8-2022.exe
Verdict:
Malicious activity
Analysis date:
2022-08-11 11:53:28 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/881c99c5-4307-4d38-8a74-bda3cb57f14e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297970/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching the process to change network settings
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f4ee19f6ec33747d97a329/reports/f9e2433a-b6ae-42e7-8613-ee337de96587/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5de052f6-e3e2-4bea-b9a3-d88aa6ad51e1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1049915
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 682425 Sample: Invoice-11-8-2022.exe Startdate: 11/08/2022 Architecture: WINDOWS Score: 100 29 www.supergamer.online 2->29 31 www.bryanomolo.com 2->31 33 cname.landingi.com 2->33 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 9 Invoice-11-8-2022.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\Invoice-11-8-2022.exe.log, ASCII 9->23 dropped 55 Injects a PE file into a foreign processes 9->55 13 Invoice-11-8-2022.exe 9->13         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.0blueprint.xyz 103.42.108.46, 49856, 80 SYNERGYWHOLESALE-APSYNERGYWHOLESALEPTYLTDAU Australia 16->25 27 www.admtinytoystrinkets.com 74.208.236.5, 49881, 49883, 80 ONEANDONE-ASBrauerstrasse48DE United States 16->27 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Performs DNS queries to domains with low reputation 16->37 20 cmstp.exe 13 16->20         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49 51 Modifies the context of a thread in another process (thread injection) 20->51 53 Maps a DLL or memory area into another process 20->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-08-11 06:52:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
79
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=abi4rlak6etlhx4q5qfegeid5ibcvtqlsr56wiue5gx6fbspuxyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/220811-n2al1seghq/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
cd5cfe42e055ba2f26c5648c97217b3987501bdd2dfbb6c09f3db9e53a46c15f
MD5 hash:
f5519efc6141f89ce4c83c6819ebbecb
SHA1 hash:
8378ae148fe347d03f1e207c4632ddd4079dd70c
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/95d78a32-5b7d-49b9-862a-4be7a4d4414b/
Parent samples :
0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1
c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590
ce1520e70cc0387f6f8ef4b9018c0a761a46d5c8aaac9e97371be1c4fd0ab4fd
52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282
0ceecaf15bb07d225f39e2bb3e1d403db71fd9daea4771783271cc06e7137608
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/95d78a32-5b7d-49b9-862a-4be7a4d4414b/
SH256 hash:
818e26225e1be321727eb96a2a7280c1fcba523d2762a290489739d0128c8171
MD5 hash:
85cfd6ac45da8e54cb10c72a6bf82e2f
SHA1 hash:
27ec5835e6d8ad0c5dd0643cbfead6a2b890e043
Link:
https://www.unpac.me/results/95d78a32-5b7d-49b9-862a-4be7a4d4414b/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/95d78a32-5b7d-49b9-862a-4be7a4d4414b/
SH256 hash:
c9bb80b984eafb24e9e1685b76aa928a104eb253a55de8574e31edb0aa2384f8
MD5 hash:
bbc2a5d23125b6f7b59fe0c5ca81ce10
SHA1 hash:
1aff50934a2986b7334717069a39139d272eceb2
Link:
https://www.unpac.me/results/95d78a32-5b7d-49b9-862a-4be7a4d4414b/
SH256 hash:
0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1
MD5 hash:
4fdfdc2be8d65a125551ef2dba2d8c66
SHA1 hash:
d5c650f88dcc098ddfd6baf447965d2969ae5f33
Link:
https://www.unpac.me/results/95d78a32-5b7d-49b9-862a-4be7a4d4414b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/297970/

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