MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3d145e3c72db7ea3e18a306410a0445222a8ce83235794dc404dd470843caf2. 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: a3d145e3c72db7ea3e18a306410a0445222a8ce83235794dc404dd470843caf2
SHA3-384 hash: 68cfd78db9894c2f8f3b7c699939bdaf9b05b3a29b6d7c0f809071927b70d47f5ad0bf7d14a2d65e3dad64b48aa67069
SHA1 hash: 7da36c353e199e2c097233653d48b26ae3de0c43
MD5 hash: 061af339cbf1835f53f9b84ff1c49c21
humanhash: india-michigan-hotel-cold
File name:Purchase order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:789'504 bytes
First seen:2022-05-02 17:25:16 UTC
Last seen:2022-05-02 17:29:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:4X3bbJTSjkURroDEor+HXtqbL2cikjfCYV:k3RInyysbL2cr
Threatray 15'302 similar samples on MalwareBazaar
TLSH T1DFF40165B62A944ADCE588BF8F7BCA7213705C7A1496FEC5C8C03E833DB9643D741268
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 James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Purchase order.exe
Verdict:
Malicious activity
Analysis date:
2022-05-02 17:26:36 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/2e18f889-89c2-4bed-9ebe-c6d434f7f159

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/268246/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.26262.27069.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627014312b32b1c37c862e96/reports/21ec95cd-adfb-4c2a-bc6e-56846ec60307/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/408fa540-eda3-49f9-b265-bd3882c67122
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/986647
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 signatures2 2 Behavior Graph ID: 619143 Sample: Purchase order.exe Startdate: 02/05/2022 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 13 other signatures 2->61 10 Purchase order.exe 7 2->10         started        process3 file4 45 C:\Users\user\AppData\...\gtHrTmufpkwAg.exe, PE32 10->45 dropped 47 C:\...\gtHrTmufpkwAg.exe:Zone.Identifier, ASCII 10->47 dropped 49 C:\Users\user\AppData\Local\...\tmpB101.tmp, XML 10->49 dropped 51 C:\Users\user\...\Purchase order.exe.log, ASCII 10->51 dropped 63 Adds a directory exclusion to Windows Defender 10->63 14 Purchase order.exe 10->14         started        17 powershell.exe 24 10->17         started        19 powershell.exe 25 10->19         started        21 schtasks.exe 10->21         started        signatures5 process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 23 explorer.exe 14->23 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        process8 process9 31 wlanext.exe 23->31         started        34 MpCmdRun.exe 25->34         started        signatures10 73 Self deletion via cmd delete 31->73 75 Modifies the context of a thread in another process (thread injection) 31->75 77 Maps a DLL or memory area into another process 31->77 79 Tries to detect virtualization through RDTSC time measurements 31->79 36 cmd.exe 31->36         started        38 explorer.exe 31->38         started        41 conhost.exe 34->41         started        process11 dnsIp12 43 conhost.exe 36->43         started        53 192.168.2.1 unknown unknown 38->53 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3d145e3c72db7ea3e18a306410a0445222a8ce83235794dc404dd470843caf2/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
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Status:
Malicious
First seen:
2022-05-02 13:55:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upiuly6hfw36upqyumdeccqeiurcvdhigi2xstoeatouoccdzlza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1bfc4e45067f4f1fc583289ac5f8ab3bba6403443f51d18c8546adf58de68501
Formbook
1c93fc36a46e4b263a960a4be63186effbb2d0a3f8db711213572ad49e1bb437
Formbook
6ad94828733d211368d39bc8669735c844df4d7c2265ff4869558c683170e18f
Formbook
7b3be400d99b473afc9f2bdf46477b61736a71db20cd9d1137b0cab4d4aaeff9
Formbook
899615d89ed1fb1460cc0271763148d9fef6286e4714a4028bbdbadb6e6b9a30
Formbook
b0719b23f521e380ea76a06aaee77d34b506ef96890542072101950ccffeac32
Formbook
b4a65b2daf7061d116c2bdd500a40376e170efea89a6b0cb4c68d63606a8e107
Formbook
eded9c78e74ca871e5604264160e190e165349cd2b07a35ebc75e3199f0d1b70
Formbook
f5420c15b8875671ead6d78e5dc9daa0176087d7608a8c469dfe26c2ea06a794
Formbook
+ 15'292 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o27j evasion rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220502-vztqfadhbk/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
1e1f574adb1ccbb65908d2d875dfb767d5408385b3cbdbc56a2008586c81f88f
MD5 hash:
cace93ae67f2039a3838bc00a76bf36c
SHA1 hash:
b133f51c2106edcdf7d0fe412a0d2472d912d59b
Link:
https://www.unpac.me/results/cf4a7a01-1f33-4903-9894-6e9bb40d43e8/
Parent samples :
5b8124423be6af37ad74816af0d1df049bc6d740117e934947b067d5fa61eb0b
5a1bd7caffd2c2663dc81fe2a635472b1dbd781f0cdc51268e9cf6d5e6e8ab79
04e123cec63f36e0860b6917805f83fe0fedc68ea1e5645747936743e83f6fd3
SH256 hash:
2d522a037fad084eb767908b0659dc5ea4896bae75e5fb2f7f2a5a090d5f5a8d
MD5 hash:
2ad2c3b3d0824430c928c32a18d194d5
SHA1 hash:
f8f7859d67ccdd833fda92b2aaa276f0473c4924
Link:
https://www.unpac.me/results/cf4a7a01-1f33-4903-9894-6e9bb40d43e8/
SH256 hash:
338e29a6b4ad47cc207ccec75aa8d144bd638f2f8fb05750883489f7476ba4c7
MD5 hash:
17f8feaff48fce4fc518b83afea16651
SHA1 hash:
70477523115ed9e8e984d5743711d290c2a0f46e
Link:
https://www.unpac.me/results/cf4a7a01-1f33-4903-9894-6e9bb40d43e8/
SH256 hash:
ac7f7d1cce50c2bce0950fe957cf03295018a8a1189dc62862326bd5a80c0b0f
MD5 hash:
aa750c0df58844810fe6833264afc47a
SHA1 hash:
692930c1b69680180d2d0653a154cb1116bd24f0
Link:
https://www.unpac.me/results/cf4a7a01-1f33-4903-9894-6e9bb40d43e8/
SH256 hash:
a3d145e3c72db7ea3e18a306410a0445222a8ce83235794dc404dd470843caf2
MD5 hash:
061af339cbf1835f53f9b84ff1c49c21
SHA1 hash:
7da36c353e199e2c097233653d48b26ae3de0c43
Link:
https://www.unpac.me/results/cf4a7a01-1f33-4903-9894-6e9bb40d43e8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3d145e3c72d/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/a3d145e3c72db7ea3e18a306410a0445222a8ce83235794dc404dd470843caf2

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/268246/

Comments