MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439. 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 2 File information Comments
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SHA256 hash: 9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439
SHA3-384 hash: ee4167484b742e176f573fa9a14e63f31a0587c5feb653cf618af8b780b78223a0a361bcdbdd079a13246cfd71efac55
SHA1 hash: c5336f50488045c698956ba5d11d560691f11e3d
MD5 hash: 35b3142e144f338499fdec42cba6a03e
humanhash: sweet-aspen-happy-sierra
File name:inquiry cutting and bending.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:702'976 bytes
First seen:2022-06-29 13:02:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7+2GrPfpLpdHEqWjsZ5uEd2iN+cS8C7sStkDNDcB2o9bHcuyRhAALV:odHE/W5X1P9csS8Dc2o9ra9
TLSH T12EE4F12277E85F41D4FA47F485A4923607B770262523E31D8DC235EA1EB2B81DE1BB1B
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)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/284245/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bc4dc6114aa383d0eca674/reports/18a03b99-2c8a-42a0-ba3d-2b745ff9699d/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e4a4f12b-22d2-4773-98d2-df3b13ebbadc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021883
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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 AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 654379 Sample: inquiry cutting and bending.exe Startdate: 29/06/2022 Architecture: WINDOWS Score: 100 33 www.alightmotion.online 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 7 other signatures 2->41 10 inquiry cutting and bending.exe 3 2->10         started        13 explorer.exe 89 2->13         started        signatures3 process4 file5 31 C:\...\inquiry cutting and bending.exe.log, ASCII 10->31 dropped 15 inquiry cutting and bending.exe 10->15         started        process6 signatures7 49 Modifies the context of a thread in another process (thread injection) 15->49 51 Maps a DLL or memory area into another process 15->51 53 Sample uses process hollowing technique 15->53 55 Queues an APC in another process (thread injection) 15->55 18 explorer.exe 15->18 injected 20 svchost.exe 15->20         started        process8 process9 22 msdt.exe 18->22         started        25 cmd.exe 1 20->25         started        27 explorer.exe 1 154 20->27         started        signatures10 43 Modifies the context of a thread in another process (thread injection) 22->43 45 Maps a DLL or memory area into another process 22->45 47 Tries to detect virtualization through RDTSC time measurements 22->47 29 conhost.exe 25->29         started        process11
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-29 08:15:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=somidgumajhqnjh7pqhom4puiyo4oapmro3wso3brr2risn5qq4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:auh4 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220629-qaccmshfgr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
af40976e5ce3776a6eef45473ac5793d717d18ab0f0176572534b2873d43318a
MD5 hash:
667cc5c5511fe871e3b0872add9f989b
SHA1 hash:
1c9d8823e3fee6b3c34a65893af50cbb44f8b244
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/b828a4ee-4b26-4be6-8d20-38a3e1d8f114/
Parent samples :
240a0d83266f5f28e7068ddcccdbb6e1a495b0543cebf903bb5c0ac4958639aa
9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439
def10ac7fe6828b49592e25748378c1b695e31b37c6beb66f52523ae3523d94a
ea29385606912e0d16cafcb9d40923e6ff36e47c265946fe39becbd5a9d29fb5
346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406
SH256 hash:
5723367d7cd48b98eb468740ee30085b10bfa3d6a9774e36936e6026aa58af05
MD5 hash:
ccb0686ddfcd782f6adaab81f29a9348
SHA1 hash:
fb2138780442d54c9b367ae901c7150c1d21f087
Link:
https://www.unpac.me/results/b828a4ee-4b26-4be6-8d20-38a3e1d8f114/
SH256 hash:
a56c54e7be3a0bc8b2c7a6882b1c5f8502e3e7ba660c1c79a4e97bd5ef09101f
MD5 hash:
4ef7202555def0298e3ec3bacad74973
SHA1 hash:
f249867ee9fc57938bcdd00accf67ccbdada925b
Link:
https://www.unpac.me/results/b828a4ee-4b26-4be6-8d20-38a3e1d8f114/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/b828a4ee-4b26-4be6-8d20-38a3e1d8f114/
SH256 hash:
d2bae931bfcc7d7a631b111cf5e0e659d1f27a4517d93cb9f69e8fdc7332140a
MD5 hash:
176f7868f1aa31b736fb890cad201456
SHA1 hash:
07de162ef22dc8a9bb781671b4a16f172c058ee9
Link:
https://www.unpac.me/results/b828a4ee-4b26-4be6-8d20-38a3e1d8f114/
SH256 hash:
9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439
MD5 hash:
35b3142e144f338499fdec42cba6a03e
SHA1 hash:
c5336f50488045c698956ba5d11d560691f11e3d
Link:
https://www.unpac.me/results/b828a4ee-4b26-4be6-8d20-38a3e1d8f114/
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/9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439

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
Create hunting rule
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

rar 7553fd76ff8d9d8909ef642ed3f7dbb14aa853f17b0a7e323d0286691a9ebbcd

Formbook

Executable exe 9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7553fd76ff8d9d8909ef642ed3f7dbb14aa853f17b0a7e323d0286691a9ebbcd
Cape
Cape
https://www.capesandbox.com/analysis/284245/
  
Dropped by
MD5 21355a1d64f6c37a4a74ef0f5a6c4ba2

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