MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590. 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: c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590
SHA3-384 hash: c14f098edd49405c75806a49f15f1067ef672d36f3b07ac43c543218531745e1d1b4422fd24511e75731e10bb711ceb3
SHA1 hash: 66265e5dfb973a50fccb2f7c4fb7aab41b008973
MD5 hash: 0d1f7e46ce6ed38a3e06a487d8907aaa
humanhash: artist-fourteen-bakerloo-blue
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:695'296 bytes
First seen:2022-08-12 11:28:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mTjFzvpc++I2iNvVLSc9IB4INGs0I4gXtA8/0:KjFDpSI1nNn8Af
TLSH T12FE4CFEFA758041FCD608B35E94C917A4F98DC223422CDFFBEA37875A6202AD641DD16
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
376
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2022-08-12 11:31:09 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/936ac255-e883-4690-8d75-2904828b3b1c

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/298215/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f639c0080024921b6d7f10/reports/7377c278-30b0-4640-bc56-05438eaa777c/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/f3bc4181-aa74-464f-befe-565cad849b68
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050541
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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)
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 683051 Sample: Purchase Order.exe Startdate: 12/08/2022 Architecture: WINDOWS Score: 100 26 www.bryanomolo.com 2->26 28 www.admtinytoystrinkets.com 2->28 30 cname.landingi.com 2->30 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 7 other signatures 2->52 9 Purchase Order.exe 3 2->9         started        signatures3 process4 file5 24 C:\Users\user\...\Purchase Order.exe.log, ASCII 9->24 dropped 54 Injects a PE file into a foreign processes 9->54 13 Purchase Order.exe 9->13         started        signatures6 process7 signatures8 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 explorer.exe 13->16         started        19 explorer.exe 13->19 injected process9 dnsIp10 36 Deletes itself after installation 16->36 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 32 www.0blueprint.xyz 103.42.108.46, 49834, 80 SYNERGYWHOLESALE-APSYNERGYWHOLESALEPTYLTDAU Australia 19->32 34 192.168.2.1 unknown unknown 19->34 42 System process connects to network (likely due to code injection or exploit) 19->42 44 Performs DNS queries to domains with low reputation 19->44 22 autochk.exe 19->22         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-12 08:08:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ze3sf7ajtdgxnjp4w2kzv3ggq7rrml3cbt575idoop3whbaqswia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/220812-nlj6hscfbl/
Behaviour
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
Blocklisted process makes network request
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/20cde185-e35d-49b0-85cb-15d5ee23f2b9/
Parent samples :
0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1
c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590
ce1520e70cc0387f6f8ef4b9018c0a761a46d5c8aaac9e97371be1c4fd0ab4fd
52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282
0ceecaf15bb07d225f39e2bb3e1d403db71fd9daea4771783271cc06e7137608
SH256 hash:
d834afd7782e7247e064dad48414fe6816e1d8a42d0e7be1b953cf98a0396b90
MD5 hash:
c71d49b110bcff2923f7b0eb5eb7b1da
SHA1 hash:
baa58f0b88c3840bd97ff0226d22f4284dc3ce27
Link:
https://www.unpac.me/results/20cde185-e35d-49b0-85cb-15d5ee23f2b9/
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/20cde185-e35d-49b0-85cb-15d5ee23f2b9/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/20cde185-e35d-49b0-85cb-15d5ee23f2b9/
SH256 hash:
d6fa557d4596f5b009e5ecac8ebe3917b0a50081b9ba9e465db4540ea7c51121
MD5 hash:
cb85e2de77aecbbac9e748d890aa6809
SHA1 hash:
0d2f8d82e03c930c3ec6ad12176c574e2d742dab
Link:
https://www.unpac.me/results/20cde185-e35d-49b0-85cb-15d5ee23f2b9/
SH256 hash:
c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590
MD5 hash:
0d1f7e46ce6ed38a3e06a487d8907aaa
SHA1 hash:
66265e5dfb973a50fccb2f7c4fb7aab41b008973
Link:
https://www.unpac.me/results/20cde185-e35d-49b0-85cb-15d5ee23f2b9/
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/c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590

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.

Malspam

Formbook

Executable exe c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298215/

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