MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1
SHA3-384 hash: e6dd6a7eb6b61a4b1cb50779a2d291e1865782bdaa03579ee04fac5bc1f97873eb09ba12ea28f7d873597269ffbfa9ac
SHA1 hash: 98a3aa156afebb18be489c290a3d8e7cbcd24ee4
MD5 hash: 52591ca4c96e294adfdb3eb9c8c33840
humanhash: pizza-charlie-bulldog-floor
File name:52591ca4c96e294adfdb3eb9c8c33840.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:534'528 bytes
First seen:2020-10-03 10:56:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Lle9rgGNu+V3bMcsuKMy66fweyYz+Y6xcpkt+zjL:Lw9r/V3AnuKMF+wey8+YvjX
Threatray 2'311 similar samples on MalwareBazaar
TLSH D4B4F131338AEF56C63DE37A0030190107FAE1CADB12F75E7EEA90D9455AF8586B2952
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.2583.31021.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480743
Signature
Antivirus / Scanner detection for submitted sample
Creates an undocumented autostart registry key
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Steal Google chrome login data
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)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 292812 Sample: P4gPQM2sjI.exe Startdate: 03/10/2020 Architecture: WINDOWS Score: 100 44 www.rugaersug.com 2->44 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 6 other signatures 2->56 11 P4gPQM2sjI.exe 3 2->11         started        signatures3 process4 file5 42 C:\Users\user\AppData\...\P4gPQM2sjI.exe.log, ASCII 11->42 dropped 70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->70 72 Tries to detect virtualization through RDTSC time measurements 11->72 74 Injects a PE file into a foreign processes 11->74 15 P4gPQM2sjI.exe 11->15         started        signatures6 process7 signatures8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 Queues an APC in another process (thread injection) 15->82 18 explorer.exe 15->18 injected process9 dnsIp10 46 www.smartdolab.com 89.31.143.1, 49710, 80 QSC-AG-IPXDE Germany 18->46 48 www.jimanwendy.com 18->48 58 System process connects to network (likely due to code injection or exploit) 18->58 22 explorer.exe 1 18 18->22         started        signatures11 process12 file13 36 C:\Users\user\AppData\...\024logrv.ini, data 22->36 dropped 38 C:\Users\user\AppData\...\024logri.ini, data 22->38 dropped 60 Detected FormBook malware 22->60 62 Creates an undocumented autostart registry key 22->62 64 Tries to steal Mail credentials (via file access) 22->64 66 4 other signatures 22->66 26 cmd.exe 2 22->26         started        30 cmd.exe 1 22->30         started        signatures14 process15 file16 40 C:\Users\user\AppData\Local\Temp\DB1, SQLite 26->40 dropped 68 Tries to harvest and steal browser information (history, passwords, etc) 26->68 32 conhost.exe 26->32         started        34 conhost.exe 30->34         started        signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-24 21:51:16 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
179043e8eb7c06144c67f58b2c2900ad10303862c0e5cd7e1fe5a4faf853f103
Formbook
1a6c3c9c15d116a1b187ccbb626e017a70fed48ed9b814eb0e998311db058c26
Formbook
1f5f7921e3be739b51bead01306a9cc5dc7fec1dbc01a6784497de89afb6742c
Formbook
45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa
Formbook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
Formbook
6b3c0907618cdc1bdcb07dd987ee91dbcc691b2181d947e81d8d2756d7cea195
Formbook
6b749b16961bf8b461c0865eaea4869ed9fefb393e2e5c367741b1cb0ce7ff1b
Formbook
6fb77f025210f6eafed61a9216a3d9df986d352a5594f62547990fc0880e6e43
Formbook
cfc1cfcb5119cb196b34e5905578d55e2afd871f2b93f820637e6386168892c5
Formbook
e273d82c782a01c388cc619e6832bfb43301f4308884751b9393262302fc84c0
Formbook
+ 2'301 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat evasion trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201003-f81hbe137n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.iskovlay.com/kbc/
Unpacked files
SH256 hash:
a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1
MD5 hash:
52591ca4c96e294adfdb3eb9c8c33840
SHA1 hash:
98a3aa156afebb18be489c290a3d8e7cbcd24ee4
Link:
https://www.unpac.me/results/0bf04121-3f51-47e1-bdf8-76ad4ec0ab4b/
SH256 hash:
9da4aa1abd6fc88e21672dc0c8ba8c30232671cf3d1ebb7ace015e96d5907310
MD5 hash:
ace613ec179ca9c4c8bc8e628a158c26
SHA1 hash:
92b1f9d8b41006a81511c6389d06c309ac4cb413
Link:
https://www.unpac.me/results/0bf04121-3f51-47e1-bdf8-76ad4ec0ab4b/
SH256 hash:
4925058c747b268777ac73d667d9aca049e4121512114b847bc1d40bc396ec69
MD5 hash:
b57f39b793480987fa3dd26c3780689f
SHA1 hash:
14e9b04335e915b039cbf4b9dbf76a4c446e1d6d
Link:
https://www.unpac.me/results/0bf04121-3f51-47e1-bdf8-76ad4ec0ab4b/
SH256 hash:
1ac9cb08f2f692472c93d0d06598895e46719f7a57344da3cd12284b8157a73a
MD5 hash:
32551bf4326416c11677855a465cd530
SHA1 hash:
d294a81a5344700f97d6e13e1d083e501d7fb96d
Link:
https://www.unpac.me/results/0bf04121-3f51-47e1-bdf8-76ad4ec0ab4b/
SH256 hash:
6bc888f91fe029227d450ce22afeaba5d6ba11fcc1c305a6cf3f415646936e77
MD5 hash:
e7924b6a6630a81d59cf775d2d3bae4c
SHA1 hash:
22fc46805a0d1e8d345de8d1c8fd3d8b241d5759
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0bf04121-3f51-47e1-bdf8-76ad4ec0ab4b/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1

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/67900/

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