MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bac0715b2f1f0a408c7640ea62cea43789e92dc97caad6dfa206d6d805fb266. 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 1
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SHA256 hash: 3bac0715b2f1f0a408c7640ea62cea43789e92dc97caad6dfa206d6d805fb266
SHA3-384 hash: 0102c2f089613f36805fa07df5f97de7df79d569dfbac93e0fc6e45d7a240e019d7be830fce05583eb7d37d48dd0877a
SHA1 hash: 7f09f77ffa032ca245e3e0fbaa631695c72f4077
MD5 hash: 567088d3013ac44bc25ad9f0fcffdfe6
humanhash: montana-massachusetts-double-speaker
File name:567088d3013ac44bc25ad9f0fcffdfe6
Download: download sample
Signature Formbook
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File size:836'096 bytes
First seen:2022-11-07 13:20:19 UTC
Last seen:2022-11-07 14:57:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:yrWxQir2iNR27toeMPVRST1qwm508eIjEgmUlIsbQN5DjNAiS/x1aHkVojcHrrJ3:yAr13aHMtY50lEUIiYAZxQX4HrJ
TLSH T14005121AF752F799E81C53B918716D222BB2E919E85CC87D2DC636AB4C30303125BED7
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 zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
RFQPurchase-Order071122.xls
Verdict:
Malicious activity
Analysis date:
2022-11-07 11:25:16 UTC
Tags:
macros trojan opendir exploit cve-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/eb341d2e-7d90-4067-a87f-16f678de4081

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/329924/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
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SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63690640775605b3a4f3ddd7/reports/ff06ac5c-86dd-40fa-930c-598667be3def/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/46d324ad-78f1-4291-93ef-429b74a4c79b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1107776
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 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 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: 740439 Sample: 8xWforH5s3.exe Startdate: 07/11/2022 Architecture: WINDOWS Score: 100 32 www.thearkdevelopments.com 2->32 34 thearkdevelopments.com 2->34 38 Snort IDS alert for network traffic 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 9 8xWforH5s3.exe 3 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\8xWforH5s3.exe.log, ASCII 9->24 dropped 12 8xWforH5s3.exe 9->12         started        15 8xWforH5s3.exe 9->15         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 17 explorer.exe 12->17 injected process8 dnsIp9 26 deepakknair.com 104.249.63.34, 49708, 80 TIER-NETUS United States 17->26 28 www.trsorgula.com 154.220.79.32, 49712, 49714, 49715 COMING-ASABCDEGROUPCOMPANYLIMITEDHK Seychelles 17->28 30 4 other IPs or domains 17->30 36 System process connects to network (likely due to code injection or exploit) 17->36 21 cmd.exe 13 17->21         started        signatures10 process11 signatures12 46 Tries to steal Mail credentials (via file / registry access) 21->46 48 Tries to harvest and steal browser information (history, passwords, etc) 21->48 50 Deletes itself after installation 21->50 52 2 other signatures 21->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3bac0715b2f1f0a408c7640ea62cea43789e92dc97caad6dfa206d6d805fb266/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-11-07 13:21:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=howaofns6hykicghmqhkmlhkin4j5ew4s7fk23p2ebww3ac7wjta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:mgah rat spyware stealer trojan
Link:
https://tria.ge/reports/221107-qlm9aahcd9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/98703ef9-abf0-4266-9f1a-83a1915abcbf
Unpacked files
SH256 hash:
c3a1e5fdbe20dbf214ed658c337cd063633b4755ddb7e9e1c336cf1311d5476d
MD5 hash:
be47e300822a3da565863c59ea59b10d
SHA1 hash:
03092531345568edff698eac31af5cf7563e3846
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/effa7959-085f-4f80-9227-27224b984e5f/
Parent samples :
dc43f74231ebd3a58840b47663f4f485351c4ba18f32e8a5880ce7865de4b53b
3bac0715b2f1f0a408c7640ea62cea43789e92dc97caad6dfa206d6d805fb266
SH256 hash:
dc4339e34c5827dd19761e3b89a3a266706aca4199ccfbb1a8343842f0991cc3
MD5 hash:
0ecaf06a5c3e1e5846b930c7970197f3
SHA1 hash:
d6c58ba160e129914345b8a5095d891e3f538702
Link:
https://www.unpac.me/results/effa7959-085f-4f80-9227-27224b984e5f/
SH256 hash:
dd942c7bf0fad46d6e1f8625e24964b107c04f1832fd9198dee7aa7edce3234f
MD5 hash:
749a82d731ae6909dc41354b7998e783
SHA1 hash:
cdddae74a3128dbb62990013bf448147f630e6bf
Link:
https://www.unpac.me/results/effa7959-085f-4f80-9227-27224b984e5f/
SH256 hash:
2c81e014a3b520f9e239ffdea089c8f814040f4d1b4f805706b3677fafc1a3c8
MD5 hash:
b0f889660fcf9e614d677330850a71da
SHA1 hash:
6b5530e8ff94af575e6d2f99795a2098ebc49624
Link:
https://www.unpac.me/results/effa7959-085f-4f80-9227-27224b984e5f/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/effa7959-085f-4f80-9227-27224b984e5f/
SH256 hash:
92bd802a0f7eb1213758a6c1a4c07302e0320c3a2aeb6273b0303dd3bbdefe90
MD5 hash:
046e97119545e5abde2f40b5dc3a0344
SHA1 hash:
3e69b67ddff2554c8cd72e129d4da9c8acd9d331
Link:
https://www.unpac.me/results/effa7959-085f-4f80-9227-27224b984e5f/
SH256 hash:
3bac0715b2f1f0a408c7640ea62cea43789e92dc97caad6dfa206d6d805fb266
MD5 hash:
567088d3013ac44bc25ad9f0fcffdfe6
SHA1 hash:
7f09f77ffa032ca245e3e0fbaa631695c72f4077
Link:
https://www.unpac.me/results/effa7959-085f-4f80-9227-27224b984e5f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3bac0715b2f1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3bac0715b2f1f0a408c7640ea62cea43789e92dc97caad6dfa206d6d805fb266

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
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 3bac0715b2f1f0a408c7640ea62cea43789e92dc97caad6dfa206d6d805fb266

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2403257/
Cape
Cape
https://www.capesandbox.com/analysis/329924/

Comments


Avatar
zbet commented on 2022-11-07 13:20:21 UTC

url : hxxp://107.172.44.177/330/vbc.exe