MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3
SHA3-384 hash: d6150d2f3b6c992ec48f827c282d3db0925bbf45f4bc2b6d09dc5f555dc320be4b161e9a0e860f01bc980cce09040af9
SHA1 hash: 9eb4da63763dd7bcaaf674476fd746dfe555a462
MD5 hash: 87b004d6cfed1e107af2c41fddfdbfaf
humanhash: vermont-lithium-jupiter-xray
File name:AWB728590890733.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:727'552 bytes
First seen:2023-06-06 12:37:48 UTC
Last seen:2023-06-06 12:40:07 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 12288:YsIduS2iNfmFx2iqNhujGjUE11rBrUPLjsRG8oP+IAs3Nl6bAlzbuDCpq98:YsIduS1lmFxU3NrUMR4P153N1zbQW
Threatray 3'122 similar samples on MalwareBazaar
TLSH T1B4F4026853FD4655D6B363B616A04634577BFEAEB335E30B0F87758E2A61B0089203B3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
272
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
AWB728590890733.exe
Verdict:
Malicious activity
Analysis date:
2023-06-06 12:41:02 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/96536c9a-4a5a-40f6-8bcd-ec8941eedac7

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/396121/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Win.Dropper.Nanocore-10003611-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/647f28ab14efc2ce6a73976c/reports/3086517a-d03d-42d2-a2c4-2d41d885e39e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3
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/16924b69-2a8e-4435-9526-c72c819442ce
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1249538
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 882554 Sample: AWB728590890733.exe Startdate: 06/06/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 10 AWB728590890733.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\AWB728590890733.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 AWB728590890733.exe 10->14         started        17 AWB728590890733.exe 10->17         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 19 explorer.exe 1 1 14->19 injected process8 dnsIp9 32 www.dhfjda8.com 38.207.11.82, 49723, 80 M247GB United States 19->32 34 www.dcleaningseevicesltd.co.uk 23.82.12.30, 49724, 80 LEASEWEB-USA-WDCUS United States 19->34 36 2 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 wlanext.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-29 09:01:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=itfc7njtnbs4mnoqyh2moxh6z3a3j6wy7y66qewajdbchtag7orq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0daf37a7f327ddc858e1c6c4a02974012fb9434de66256402c8091561ae16fd4
Formbook
1a7cb176a2a06673ab935e620b6931eb7d2ffc2af157ae9cfbedb6b7f3bde072
Formbook
4b95211e7383fffec4daeb637c05a257ec7bfdf49de8042de5763da1783276c0
Formbook
5291498ba10bc71f5bb08fe5c67d085c24008589c09c6c28faf4dbf222ef5a3a
Formbook
8b9641ea4b07a7e2e48a7be9f45a20b7c0663838d5430c90b452729843f4ea21
Formbook
c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead
Formbook
ce4538d962580d2b52a8cb68aefb500eaee8f07dd01c1fae3b50b4a40585131a
Formbook
e8f271e2c00c7310ba76f5be24f425df7b4c3fdd84a0b715906a10da4f7e879b
Formbook
e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca
Formbook
e9c78b2128b2954b72c71bbea4d0d64c2be08cbad2d2806033845a657494eb91
Formbook
+ 3'112 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cs94 rat spyware stealer trojan
Link:
https://tria.ge/reports/230606-pt2k7sdf62/
Behaviour
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
df1fd4d5ad36ef13bf308c96c10f218fba65f3b07fa0f685c9400e554a16e964
MD5 hash:
8a8b0eec2d0d029bf9d3ec5a1be0cfb6
SHA1 hash:
5ecb66557a224421e5208e5bb6f7c7723acade0d
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d967a349-2192-4f1d-8d5d-2dc25140930b/
Parent samples :
5291498ba10bc71f5bb08fe5c67d085c24008589c09c6c28faf4dbf222ef5a3a
1a7cb176a2a06673ab935e620b6931eb7d2ffc2af157ae9cfbedb6b7f3bde072
0daf37a7f327ddc858e1c6c4a02974012fb9434de66256402c8091561ae16fd4
e9c78b2128b2954b72c71bbea4d0d64c2be08cbad2d2806033845a657494eb91
e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca
44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3
2f8e9facdf104aa0a763dd40689e81b21b6664fb3b737e8d391d111e2bb38087
ddd9ead73e818770fe8bc81da65f863e2ed6d20a6a32c60817d3edc8c4aa38d4
d2906d9945a58df92abb912c1932d44533d174118522982a2fa36adb592a7801
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/d967a349-2192-4f1d-8d5d-2dc25140930b/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
0b861d0e19d173621dba77fc3954b6325b3e89e0856817eb9ac1b0e4b4b6f9a0
MD5 hash:
34e9924238cc9c184aed0f7e0dd905ab
SHA1 hash:
42e0e3852a327ae2d232858ba41fca9cadd628db
Link:
https://www.unpac.me/results/d967a349-2192-4f1d-8d5d-2dc25140930b/
SH256 hash:
b699229515a2c1779830f806fd0b2279bebb989e5a43ac3866764511bd5ca5f8
MD5 hash:
1439cfe0e187af023f13d3d2723ac4dd
SHA1 hash:
2c0bb8c8fd7eb680d3990124b442437c61148430
Link:
https://www.unpac.me/results/d967a349-2192-4f1d-8d5d-2dc25140930b/
SH256 hash:
8146fdd937022fd7bce067eaf37c34a44e7613dc77de9dcc50eded2a7df848e1
MD5 hash:
2e771a40b110f6d675e0bcd8a5b3b2d7
SHA1 hash:
24dd07e596d75482453ae4c2f2769d5c06db4d96
Link:
https://www.unpac.me/results/d967a349-2192-4f1d-8d5d-2dc25140930b/
SH256 hash:
44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3
MD5 hash:
87b004d6cfed1e107af2c41fddfdbfaf
SHA1 hash:
9eb4da63763dd7bcaaf674476fd746dfe555a462
Link:
https://www.unpac.me/results/d967a349-2192-4f1d-8d5d-2dc25140930b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44ca2fb53368/report/overview.html
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/44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3

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

rar 3822fbe64bd0d238de14d35d85d8fdff786456c87481781b6df24dbc9f49b8bd

Formbook

Executable exe 44ca2fb5336865c635d0c1f4c75cfecec1b4fad8fe3de812c048c223cc06fba3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3822fbe64bd0d238de14d35d85d8fdff786456c87481781b6df24dbc9f49b8bd
Cape
Cape
https://www.capesandbox.com/analysis/396121/
  
Dropped by
MD5 d2dec1e1e45f3657e81e308976cb72fa

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