MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b
SHA3-384 hash: d19cb1217713438d4655844de9b10f990504bdef3d62a42efca11e3c48f2cfa16127d03d29a6d21ce3f12561a6c2809d
SHA1 hash: 2dbbba0807ec310cde97c824e1d1bd18933ed2c5
MD5 hash: 12a93b6ae88f8ecff990099a80acd1f7
humanhash: pluto-steak-don-california
File name:PO.exe
Download: download sample
Signature Formbook
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File size:859'648 bytes
First seen:2022-07-21 06:19:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZUs3pNXcW+XSDOih5YD4Rbgtpcmvt9vs2ynabm5wdT60My5cWyd0ix8831h:BpNsVXohCDPvrvEom4xMIQx7
TLSH T173051277A1F4AB52CA3883F21063A3891FF3B21E74B4F51E249EB1A680E47D155507E7
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 :
274
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293074/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44349.11880.14868-222265.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d8f0158fbcdde360625626/reports/fcb0f104-2efd-43f6-aad6-b4c92b72f829/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/392cb4c0-c4c8-4354-bf08-dd0bbcbd2840
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038378
Signature
Adds a directory exclusion to Windows Defender
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 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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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 dnsIp2 2 Behavior Graph ID: 670872 Sample: PO.exe Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 42 www.stockstrends.com 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 8 other signatures 2->50 10 PO.exe 7 2->10         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\XEcTKwXoBd.exe, PE32 10->34 dropped 36 C:\Users\...\XEcTKwXoBd.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp5941.tmp, XML 10->38 dropped 40 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 10->40 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Tries to detect virtualization through RDTSC time measurements 10->62 64 Injects a PE file into a foreign processes 10->64 14 PO.exe 10->14         started        17 powershell.exe 22 10->17         started        19 schtasks.exe 1 10->19         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 21 wscript.exe 14->21         started        24 explorer.exe 14->24 injected 26 conhost.exe 17->26         started        28 conhost.exe 19->28         started        process9 signatures10 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 30 cmd.exe 1 21->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-07-21 06:06:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 26 (84.62%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dadbzcrr6nzisyv62swldadnfsd47tx6mfxeaa76rskwtzuhpkfq._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:jr04 rat spyware stealer trojan
Link:
https://tria.ge/reports/220721-g26wwsdcc2/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
256d761b54d3e6f4ff15499cd707a4bd02c92710e85eb9e8fc3ae387e6e2704f
MD5 hash:
85855cd278c43f55ae386f92e584fc6f
SHA1 hash:
ca00ac6fd54bf7e5a1710981e9857451abc8b617
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/69808793-82b3-40b1-9d08-41579534a230/
Parent samples :
cb2fe19cf830c90e1619bf31283d4abb68ac50e20eb0897891c6ce2ab6ba803f
15dcdfbd4c4fa20ce82cff55159ae0276c9cce9f487a340681f77234f0d64a3b
941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54
03674981113e278ddd535c0c2f1be91ab6f65533a3cd69efd7a0e5ff9eb1957d
18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b
dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/69808793-82b3-40b1-9d08-41579534a230/
SH256 hash:
ee4034a00cf164a42f1d12b1c2bc1e2d535520cdaf64c99ef322a0566c88ef73
MD5 hash:
9da55d0fe88f3f37b72bfb92abb8bed8
SHA1 hash:
d50eb6919244e6f1412e0b6a41623d55ca5e5afd
Link:
https://www.unpac.me/results/69808793-82b3-40b1-9d08-41579534a230/
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
Link:
https://www.unpac.me/results/69808793-82b3-40b1-9d08-41579534a230/
SH256 hash:
f1774afd302e6124b2a3b774cdaba801b196a49d47372cbdbe8486d0f14b2f9d
MD5 hash:
da8aa937c8ecc4d19613be95cbf8ce20
SHA1 hash:
01fbe265ef5a7157b0da489f5a228a175aa607f9
Link:
https://www.unpac.me/results/69808793-82b3-40b1-9d08-41579534a230/
SH256 hash:
18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b
MD5 hash:
12a93b6ae88f8ecff990099a80acd1f7
SHA1 hash:
2dbbba0807ec310cde97c824e1d1bd18933ed2c5
Link:
https://www.unpac.me/results/69808793-82b3-40b1-9d08-41579534a230/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/18061c8a31f3/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/18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b

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 18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/293074/

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