MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618
SHA3-384 hash: 1a34530b66eef26d974389df7233f4d5164bb4fd6ff32321ab6e31be41e55bcb589b72af209edcc38f6cd276033c7968
SHA1 hash: ce6e517b54d957138daac7e51ce516d4e86fbd5e
MD5 hash: 76ba2510233cf1d290285e3705917b2b
humanhash: fish-mountain-island-solar
File name:76ba2510233cf1d290285e3705917b2b.exe
Download: download sample
Signature Formbook
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File size:969'216 bytes
First seen:2022-11-15 13:23:25 UTC
Last seen:2022-11-15 14:50:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:fHLpLHLpTSL5X+fzuFp0lHsrd8k23sHLp:f1L1uXPFp0lMrd8Y1
TLSH T138255B6979BCB602EE36ABF70DE6AA4BCE7011412219C1070D2937CEE935E363D4D54B
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 abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Supply Quote.doc
Verdict:
Malicious activity
Analysis date:
2022-11-14 08:21:56 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/a7da75a5-c976-4e23-84c2-1ab632028c2a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/334317/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44597.17850.1397.UNOFFICIAL
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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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/637392f507c3f5e84a0143b4/reports/72a25562-1a3c-4f4b-84b8-d2b53a2e5b9f/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8f9af32c-86e6-4b83-b4ee-b23397e1a869
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1113814
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 746518 Sample: i7lis4CBd1.exe Startdate: 15/11/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 8 other signatures 2->40 10 i7lis4CBd1.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\i7lis4CBd1.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 i7lis4CBd1.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.guolang-clan.com 64.120.68.39, 49722, 80 LEASEWEB-USA-SEA-10US United States 17->30 32 www.dc-invest.online 209.99.40.222, 49724, 80 CONFLUENCE-NETWORK-INCVG United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 explorer.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-14 11:58:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
27 of 40 (67.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=epewufanxdml6xauuk7ycgvy4ixzhpzigf46x37o4mmqpnigoyma._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ua69 rat spyware stealer trojan
Link:
https://tria.ge/reports/221115-qndgvseb29/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3971a4a3-2fc4-430c-9157-e56df4ec6814
Unpacked files
SH256 hash:
7896b9ef17ddfdeab5e31831b99e568c03cbd31a05db8fe6dc59b9e9e6669d58
MD5 hash:
12a9d91ba40e97b6f09118f7095e297d
SHA1 hash:
2862fec520df1b047f47f7966fc5d08cac3cdff9
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/039c0b6e-3505-4e5f-a70a-71facfa5dcae/
Parent samples :
e61660e229f87b61562735d3d6f44326329b5d9e659198d02de592402984b7c7
3c9009eeffcaac6b1e45e26ed3d7c399b42d9a9507cc56ddec477c399a3d9b2f
23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618
af2338dccdb59d40b3e6fbde008f3fad793ae9910fc3f2210bf6e9a311bd8044
903bfcbe2d85143ad723b47ed1edc96f5416fa3b584fe76e74d75e93ff4b2e64
SH256 hash:
0e9d9baff7d77cd692fb932c5c9e994b9a3363f5e82b3e29d12bbd46e343e066
MD5 hash:
565e12d52cf27d5226ab1580062bf602
SHA1 hash:
a6cf0474003830a2d3db1cc70dc97cd1c1ee242b
Link:
https://www.unpac.me/results/039c0b6e-3505-4e5f-a70a-71facfa5dcae/
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
Link:
https://www.unpac.me/results/039c0b6e-3505-4e5f-a70a-71facfa5dcae/
SH256 hash:
44f20ca5b164487b142b09a6f7d660e7da0ea1e20d79f08bece189a3d98dc5bb
MD5 hash:
cf34f5f0cde2127c6d41f8ae553574bf
SHA1 hash:
72e068eaca5d373d531785edb62f105b488aadf8
Link:
https://www.unpac.me/results/039c0b6e-3505-4e5f-a70a-71facfa5dcae/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/039c0b6e-3505-4e5f-a70a-71facfa5dcae/
SH256 hash:
23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618
MD5 hash:
76ba2510233cf1d290285e3705917b2b
SHA1 hash:
ce6e517b54d957138daac7e51ce516d4e86fbd5e
Link:
https://www.unpac.me/results/039c0b6e-3505-4e5f-a70a-71facfa5dcae/
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/23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618

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 23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2403539/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/334317/

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