MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8590d238d3125607b3e21f66e23104aeea0fb3a883657cc0c2e40a6771f17f9e. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 8590d238d3125607b3e21f66e23104aeea0fb3a883657cc0c2e40a6771f17f9e
SHA3-384 hash: 2ed9d3ee21dc825866d7ffb4ed8786f0891a1bfbf06c97db9b4d42057cce83712bf4e8d4b8d7687cea7f6b7874a1d1f5
SHA1 hash: bac8242f25679069d90b1dcd76e3654ee0a09402
MD5 hash: c9f40df7575439d3d9e5d85dc0d93f0e
humanhash: kansas-fruit-one-colorado
File name:8590d238d3125607b3e21f66e23104aeea0fb3a883657cc0c2e40a6771f17f9e
Download: download sample
Signature Formbook
Create hunting rule
File size:1'049'088 bytes
First seen:2023-01-06 13:11:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Mj2iN1/Sr+p+8BgrXnNu4UkP67T8KNWc9j2zGv5Ju0H8c+9eVf+mDXttarruVBDy:Mj1e+5BgrXg4i7IKIc9jgGHu0H80
TLSH T1BD25480313C4C513E4620A3B4587EF8754A0DE4E7EA2DB6C662BF93BF7F16865A80D16
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8590d238d3125607b3e21f66e23104aeea0fb3a883657cc0c2e40a6771f17f9e
Verdict:
Malicious activity
Analysis date:
2023-01-06 13:15:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3ee339f3-980b-460f-a882-f2e5b11079f6

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/350059/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/63b81e25b9b1c17375208f1e/reports/c0584e08-8e2b-46af-833a-e49bfc601342/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/a6d68a95-258c-467a-978d-26080acbf53a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1146312
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 779044 Sample: gM0KMX68Ir.exe Startdate: 06/01/2023 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Sigma detected: Scheduled temp file as task from temp location 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 7 other signatures 2->67 10 gM0KMX68Ir.exe 7 2->10         started        14 uyzIPAJGAXgxi.exe 5 2->14         started        process3 file4 45 C:\Users\user\AppData\...\uyzIPAJGAXgxi.exe, PE32 10->45 dropped 47 C:\...\uyzIPAJGAXgxi.exe:Zone.Identifier, ASCII 10->47 dropped 49 C:\Users\user\AppData\Local\...\tmp159A.tmp, XML 10->49 dropped 51 C:\Users\user\AppData\...\gM0KMX68Ir.exe.log, ASCII 10->51 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 10->75 77 Adds a directory exclusion to Windows Defender 10->77 79 Tries to detect virtualization through RDTSC time measurements 10->79 16 gM0KMX68Ir.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        81 Multi AV Scanner detection for dropped file 14->81 83 Machine Learning detection for dropped file 14->83 85 Injects a PE file into a foreign processes 14->85 23 uyzIPAJGAXgxi.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 16->53 55 Maps a DLL or memory area into another process 16->55 57 Sample uses process hollowing technique 16->57 59 Queues an APC in another process (thread injection) 16->59 27 explorer.exe 16->27 injected 30 conhost.exe 19->30         started        32 conhost.exe 21->32         started        34 conhost.exe 25->34         started        process8 signatures9 87 Uses ipconfig to lookup or modify the Windows network settings 27->87 36 ipconfig.exe 27->36         started        39 WWAHost.exe 27->39         started        process10 signatures11 69 Modifies the context of a thread in another process (thread injection) 36->69 71 Maps a DLL or memory area into another process 36->71 73 Tries to detect virtualization through RDTSC time measurements 36->73 41 cmd.exe 1 36->41         started        process12 process13 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8590d238d3125607b3e21f66e23104aeea0fb3a883657cc0c2e40a6771f17f9e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-12-23 12:56:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qwineogtcjlapm7cd5toemiev3va7m5iqnsxzqgc4qfgo4prp6pa._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:as48 rat spyware stealer trojan
Link:
https://tria.ge/reports/230106-qfhrlscb3z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eab0e4f5-9896-468e-a276-db0a9485f6af
Unpacked files
SH256 hash:
8f689b14c9a8a0c93ec4c8d9dfae19a5938eaba8ef41c6f80b032edd9699f999
MD5 hash:
e1071905b7414a2e803906a0c041ef7b
SHA1 hash:
3cdfe368db7f04bcd6cdfa5d36419b59d15e2c1f
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/312b2b0a-0f22-444a-a209-e61f69283f6d/
Parent samples :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 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/312b2b0a-0f22-444a-a209-e61f69283f6d/
SH256 hash:
8a2851ef2de1ec111fcd6c0c43a0936651659219fe056e5915354f0042374683
MD5 hash:
3a63199388810dd5b6a4600efa7aa67c
SHA1 hash:
446200072c5e4626ebe7f9a73a9878bb58122445
Link:
https://www.unpac.me/results/312b2b0a-0f22-444a-a209-e61f69283f6d/
SH256 hash:
d878b1cf9f6b2a74b3cd2cac167480fed64ea46b4ae0cdb6c96f0f0efe6b703d
MD5 hash:
eb71a1923759e42336fe77b6ef9c9788
SHA1 hash:
3697ad40a74287415c5052e496bc8bd5227be410
Link:
https://www.unpac.me/results/312b2b0a-0f22-444a-a209-e61f69283f6d/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/312b2b0a-0f22-444a-a209-e61f69283f6d/
SH256 hash:
870c92ec22f160bfa984fc8919efae1de962262cf469bc2f179da5850133b478
MD5 hash:
38dee74e35bbfa1cfe697ee2a800306f
SHA1 hash:
a94a1c60b2a391eeeca82511c258056cd4d44752
Link:
https://www.unpac.me/results/312b2b0a-0f22-444a-a209-e61f69283f6d/
SH256 hash:
8590d238d3125607b3e21f66e23104aeea0fb3a883657cc0c2e40a6771f17f9e
MD5 hash:
c9f40df7575439d3d9e5d85dc0d93f0e
SHA1 hash:
bac8242f25679069d90b1dcd76e3654ee0a09402
Link:
https://www.unpac.me/results/312b2b0a-0f22-444a-a209-e61f69283f6d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8590d238d312/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/8590d238d3125607b3e21f66e23104aeea0fb3a883657cc0c2e40a6771f17f9e

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.

Cape
Cape
https://www.capesandbox.com/analysis/350059/

Comments