MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd. 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 1
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SHA256 hash: a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd
SHA3-384 hash: 026f1c21e1322cd9b5ee7a2e94a38ee149687b2e78c0e1969ec26191ba0ec32ac74c83357dd4e351c869b0aa944f189f
SHA1 hash: 2c2c8af30ca953fc6a1979ba0e9f4cf018c146b9
MD5 hash: e81e9fb3961e6e7944e49519cf500060
humanhash: nineteen-bakerloo-pip-nineteen
File name:e81e9fb3961e6e7944e49519cf500060
Download: download sample
Signature Formbook
Create hunting rule
File size:808'960 bytes
First seen:2022-02-10 12:14:09 UTC
Last seen:2022-02-10 13:45:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:xUNGQkO0egEV+LIWd535HgZYoTeqgQ5pqlX68LtE56kAZY+bg:S0RZCZfoQ5pqlX6em6kaYag
Threatray 9'618 similar samples on MalwareBazaar
TLSH T10205121167BC4B76E5B9ABF86434903917B6380A7165DF4A6EF2E0CF2D36B808111F93
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/240631/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.42163.3340.11233.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/620501cb942573cad44ff5d7/reports/0d823e52-3878-4280-ba93-84e5ebfb283f/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/20520c0d-4d6f-4a62-ba1e-f37b11eacc4b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/937609
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found 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)
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570084 Sample: vtm76f8bVV Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 10 other signatures 2->50 10 vtm76f8bVV.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\...\SLYSksUAxOWqPx.exe, PE32 10->36 dropped 38 C:\...\SLYSksUAxOWqPx.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp45CF.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\vtm76f8bVV.exe.log, ASCII 10->42 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 10->52 54 Writes to foreign memory regions 10->54 56 Allocates memory in foreign processes 10->56 58 2 other signatures 10->58 14 RegSvcs.exe 10->14         started        17 powershell.exe 22 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 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 2 other signatures 14->72 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 cmd.exe 21->27         started        signatures10 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        32 explorer.exe 123 27->32         started        process11 process12 34 conhost.exe 30->34         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-10 12:12:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uffbqt5r2kvotq4ik5qyaaqo4amoa6ccck2z4vc4cwx44ipow3gq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
134564f9e07f69726c8cfc19fcaf998d7f00163d704e9a2864b2d592be84d091
Formbook
76c6384db63b1a5a7057da1bd58f0b1d14a9f7d23ec4e1fdd8b93bbd78d1858e
Formbook
8e133618d88f4eb1975953fc0ef639a7192f7fea403f5a777a698a4631f741a6
Formbook
9404674e08d2d675f2d304d6c80ab25b857281973d00d06dd3ca367b03f8eacd
Formbook
a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976
Formbook
ccf47d9fd0a0ddce06c265b87f0e2377bb58107c18659ac908b7e3a5731ad081
Formbook
db4fa159359fbe0ba9857ae0e971dd206f23a7522b14073151b27bb030db8f5f
Formbook
fd7a4b329f76991a0957245515cc9dbcffefa941a94f1186511ce7b8c0a6e3eb
Formbook
+ 9'608 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s0r7 rat spyware stealer trojan
Link:
https://tria.ge/reports/220210-pexcyaggh7/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0e2f3e11e66981beab19a9e798e227da4cbe45cba2fc780da0a08e501e9e265a
MD5 hash:
d4a6dda1bcc16ae4be3adf4b6f6ad6f4
SHA1 hash:
55e614f49e19561efefe4be6c5544fc9f18c0fa9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/adc2503b-1a71-472d-916b-c59d559e93ec/
Parent samples :
a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd
1d018e5356c91831fec573b9a19fc4c95fd534f45c454e1e363c8b75be8d08bb
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
Link:
https://www.unpac.me/results/adc2503b-1a71-472d-916b-c59d559e93ec/
SH256 hash:
8cadf1858276299e55d40401b723d335cf203cd1ca31184a3498c48f2fbfcf8f
MD5 hash:
d393b62c3e9ae53789fde7eee4cbb4e1
SHA1 hash:
a4b0f525153eca1917b8ae55f62922155343d409
Link:
https://www.unpac.me/results/adc2503b-1a71-472d-916b-c59d559e93ec/
SH256 hash:
dacaf9b9f76566653d045cfee39293a80936a17a2ac56097c859a8681097732c
MD5 hash:
18bc2d30a16e6a36ccc71b3674f44ba3
SHA1 hash:
9fff5f1da29fdf56c2955c058764c0a3629dc40b
Link:
https://www.unpac.me/results/adc2503b-1a71-472d-916b-c59d559e93ec/
SH256 hash:
a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd
MD5 hash:
e81e9fb3961e6e7944e49519cf500060
SHA1 hash:
2c2c8af30ca953fc6a1979ba0e9f4cf018c146b9
Link:
https://www.unpac.me/results/adc2503b-1a71-472d-916b-c59d559e93ec/
Please note that we are no longer able to provide a coverage score for Virus Total.

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 a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/240631/
  
URLhaus
https://urlhaus.abuse.ch/url/2039623/

Comments


Avatar
zbet commented on 2022-02-10 12:14:10 UTC

url : hxxp://107.173.229.134/455/vbc.exe