MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61c5062c935dcbe2fa4565528c01b2d6b0a4e1e90639159cc3c127cdbb74a210. 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: 61c5062c935dcbe2fa4565528c01b2d6b0a4e1e90639159cc3c127cdbb74a210
SHA3-384 hash: 3f59dd7ee4f5f3f6f3cc4509629af4662d026ed8d9e85a707689d1d3cdeffedf19f024699cdb5efe9204d8d876daa777
SHA1 hash: ee3b99466178dd968f272ceca6bedb206554b5e1
MD5 hash: e1760a10a7a3e300d6e21a7d10b5326c
humanhash: jersey-idaho-oxygen-muppet
File name:e1760a10a7a3e300d6e21a7d10b5326c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:600'064 bytes
First seen:2020-10-03 10:56:16 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:ewrjRlUgfvhWzClwk7ASBdk+vgk1MwYh7iGAVDqljanetnCy:nrVSgIeSgbmh7iZMnCy
Threatray 2'309 similar samples on MalwareBazaar
TLSH 94D4CF0A032D9B3EDD58B6BD2190406CE7B1A652EB35E2D8DF4760B91D4A38EE45D3C3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.53982.23125.9068.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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480735
Signature
Antivirus / Scanner detection for submitted sample
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 292808 Sample: aZ1mwEoYD1.exe Startdate: 03/10/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 5 other signatures 2->41 10 aZ1mwEoYD1.exe 3 2->10         started        process3 file4 27 C:\Users\user\AppData\...\aZ1mwEoYD1.exe.log, ASCII 10->27 dropped 49 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->49 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 14 aZ1mwEoYD1.exe 10->14         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 explorer.exe 14->17 injected process8 dnsIp9 29 www.xm620.com 17->29 31 www.rugaersug.com 17->31 33 2 other IPs or domains 17->33 20 msiexec.exe 17->20         started        process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/61c5062c935dcbe2fa4565528c01b2d6b0a4e1e90639159cc3c127cdbb74a210/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-08-27 01:09:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a6c3c9c15d116a1b187ccbb626e017a70fed48ed9b814eb0e998311db058c26
Formbook
1f5f7921e3be739b51bead01306a9cc5dc7fec1dbc01a6784497de89afb6742c
Formbook
45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa
Formbook
474cad642b1cf88f8d7f922cbfd9b8a00d7fc0eb40cafc0877007ee2884f105f
Formbook
6b3c0907618cdc1bdcb07dd987ee91dbcc691b2181d947e81d8d2756d7cea195
Formbook
6b749b16961bf8b461c0865eaea4869ed9fefb393e2e5c367741b1cb0ce7ff1b
Formbook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1
Formbook
affce980af02d950f59edeb358f59b8770a2ce6c164bc80bfb096d217b6e9e3d
Formbook
+ 2'299 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/201003-9c3rb1p7pa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
61c5062c935dcbe2fa4565528c01b2d6b0a4e1e90639159cc3c127cdbb74a210
MD5 hash:
e1760a10a7a3e300d6e21a7d10b5326c
SHA1 hash:
ee3b99466178dd968f272ceca6bedb206554b5e1
Link:
https://www.unpac.me/results/bf2c9d5f-3da0-466e-b42a-3ecb902cf520/
SH256 hash:
ade2925df4a46a9ac6e1fb50ff5332b2e26ef14e25c2f36a80fb99133a76f54b
MD5 hash:
6488e1d707795f7813c929f610ada742
SHA1 hash:
4d3982a883258998f1af7560b4e0ae91202b66f0
Link:
https://www.unpac.me/results/bf2c9d5f-3da0-466e-b42a-3ecb902cf520/
SH256 hash:
99b79924ad44201d493ae3f8b2f0239ec0b2b0866b5658d71c593022e88850e6
MD5 hash:
20dea3c0cefdb241e0501f7d5f620386
SHA1 hash:
9ab0277aa44b5a5f4ce4a181ac22b82e9a346618
Link:
https://www.unpac.me/results/bf2c9d5f-3da0-466e-b42a-3ecb902cf520/
SH256 hash:
3ba7343e0ae9ae65b6b3b3dde9ece33d15d984f3c3c390399df5744466df7c5c
MD5 hash:
ac7a917d0e2613f13e158d1ef5db4a8c
SHA1 hash:
d4b781da4d2bddb58af0f2ef06387e98382c911d
Link:
https://www.unpac.me/results/bf2c9d5f-3da0-466e-b42a-3ecb902cf520/
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/bf2c9d5f-3da0-466e-b42a-3ecb902cf520/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/61c5062c935dcbe2fa4565528c01b2d6b0a4e1e90639159cc3c127cdbb74a210

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/67898/

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