Analysis
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max time kernel
148s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
14/03/2023, 09:53
Static task
static1
Behavioral task
behavioral1
Sample
MTCN TELLER RECEIPT.exe
Resource
win7-20230220-en
General
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Target
MTCN TELLER RECEIPT.exe
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Size
237KB
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MD5
f9726a7a881f7182123ee36679c4d09b
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SHA1
53b28856a51b66195ff4a3b799642b8d1f7025db
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SHA256
9472d7a4e6028ef04c5b1a1a57844a3198229bd209b68c1d3534123e4fad8fb2
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SHA512
1ea087c3d7311dbd07eeb03c4ca9ef37236fac517f11a305849ab022b8645baffd947d9e794f0418b6050a25f4a3b8f35137ad5f76591cb10e526df04050ac02
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SSDEEP
6144:/Ya6i74F0L4ddME6oV38O0+yn9utn3HND:/YUcmL4X6oB8O0+Nt3HND
Malware Config
Extracted
formbook
4.1
ke03
fastartcustom.com
ikanggabus.xyz
aevum.ru
lacarretapps.com
arcaneacquisitions.net
fuulyshop.com
bloodbahis278.com
bullardrvpark.com
cowboy-hostel.xyz
empireoba.com
the-windsor-h.africa
help-desk-td.com
dofirosols.life
efefarmy.buzz
kewwrf.top
autoran.co.uk
moodysanalytics.boo
kulturemarket.com
ffwpu-kenya.com
heykon.com
blueskyauberge.com
hiroseringyou.com
capitolau.com
apiverity.com
ashcroftbathco.co.uk
khalifa-dubai.com
emailstodollars.com
efeffluttering.buzz
digitapursuit.com
baburg.com
betterworldmarketing.shop
kopaczynska.com
damonandlovell.com
jingchuangroup.com
duodianji.com
shengguangxinxi.com
lifestylemotoring.co.uk
bartoncourt.org.uk
girldatefy.com
conradrawford.click
nextratedmusic.africa
jehucapital.com
aceproductions.net
almasrd.com
complstein.com
cb5dj.com
glifingcr.com
beatsbyche.com
bejaiasoisobservateur.com
lqdwqy.top
frykuv.xyz
huxiaotangtattoo.com
installinverter.africa
credeo.uk
ciaottanperu.com
ilovemeta.vip
hpid.co.uk
67812.vet
avs-omsk.online
starshiptroopers.net
cryptoplaza.app
lingshiol.com
honorglasspackaging.com
cannabismapsny.com
bakkenmetkinderen.com
Signatures
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Formbook payload 3 IoCs
resource yara_rule behavioral2/memory/2096-142-0x0000000000600000-0x000000000062F000-memory.dmp formbook behavioral2/memory/640-153-0x00000000008C0000-0x00000000008EF000-memory.dmp formbook behavioral2/memory/640-155-0x00000000008C0000-0x00000000008EF000-memory.dmp formbook -
Executes dropped EXE 2 IoCs
pid Process 2140 otmflulrvh.exe 2096 otmflulrvh.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2140 set thread context of 2096 2140 otmflulrvh.exe 86 PID 2096 set thread context of 3236 2096 otmflulrvh.exe 24 PID 640 set thread context of 3236 640 mstsc.exe 24 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 60 IoCs
pid Process 2096 otmflulrvh.exe 2096 otmflulrvh.exe 2096 otmflulrvh.exe 2096 otmflulrvh.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe 640 mstsc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3236 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 2140 otmflulrvh.exe 2140 otmflulrvh.exe 2096 otmflulrvh.exe 2096 otmflulrvh.exe 2096 otmflulrvh.exe 640 mstsc.exe 640 mstsc.exe -
Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeDebugPrivilege 2096 otmflulrvh.exe Token: SeDebugPrivilege 640 mstsc.exe Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE Token: SeShutdownPrivilege 3236 Explorer.EXE Token: SeCreatePagefilePrivilege 3236 Explorer.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1336 wrote to memory of 2140 1336 MTCN TELLER RECEIPT.exe 85 PID 1336 wrote to memory of 2140 1336 MTCN TELLER RECEIPT.exe 85 PID 1336 wrote to memory of 2140 1336 MTCN TELLER RECEIPT.exe 85 PID 2140 wrote to memory of 2096 2140 otmflulrvh.exe 86 PID 2140 wrote to memory of 2096 2140 otmflulrvh.exe 86 PID 2140 wrote to memory of 2096 2140 otmflulrvh.exe 86 PID 2140 wrote to memory of 2096 2140 otmflulrvh.exe 86 PID 3236 wrote to memory of 640 3236 Explorer.EXE 87 PID 3236 wrote to memory of 640 3236 Explorer.EXE 87 PID 3236 wrote to memory of 640 3236 Explorer.EXE 87 PID 640 wrote to memory of 1256 640 mstsc.exe 91 PID 640 wrote to memory of 1256 640 mstsc.exe 91 PID 640 wrote to memory of 1256 640 mstsc.exe 91
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Users\Admin\AppData\Local\Temp\MTCN TELLER RECEIPT.exe"C:\Users\Admin\AppData\Local\Temp\MTCN TELLER RECEIPT.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Users\Admin\AppData\Local\Temp\otmflulrvh.exe"C:\Users\Admin\AppData\Local\Temp\otmflulrvh.exe" C:\Users\Admin\AppData\Local\Temp\qubvvmzl.rk3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Users\Admin\AppData\Local\Temp\otmflulrvh.exe"C:\Users\Admin\AppData\Local\Temp\otmflulrvh.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2096
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\otmflulrvh.exe"3⤵PID:1256
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
205KB
MD56c642712d39637fc8ced74cb3dcc7903
SHA1ff0ddab33f478889515a061e7763f235450cb8f9
SHA2563349be17dc030f34b0d2a9067897b91b45d87d585531fc108463be9174aab3c8
SHA512290e24095925a6ce7c48e523f8fbccd22e8aab4481bd437850d411dd79f7f8cefa015aff0838b1d565c07a6623f4045aa904093a889b7d0a0b7fd7cf4baaa9b0
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Filesize
5KB
MD5086d2e81b0c19b74943ac4eeeb459a56
SHA1448a2e6b3441d26c30ee12dc7d93de8a9c459c66
SHA256af3ebfddb7d9356ba8272014df8a10fed3c0ce25f17d0958e34daee4bef90b77
SHA512bebbdb06bff5e6ed36cf9a9e4bfe2230feeb0ad8e0d3192e835dbabf12eeaae2a784c9608ad91cc5d6e8ee7a1f413e1a7f29855f8371eef9db0dc3a894c74a9e
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Filesize
5KB
MD5086d2e81b0c19b74943ac4eeeb459a56
SHA1448a2e6b3441d26c30ee12dc7d93de8a9c459c66
SHA256af3ebfddb7d9356ba8272014df8a10fed3c0ce25f17d0958e34daee4bef90b77
SHA512bebbdb06bff5e6ed36cf9a9e4bfe2230feeb0ad8e0d3192e835dbabf12eeaae2a784c9608ad91cc5d6e8ee7a1f413e1a7f29855f8371eef9db0dc3a894c74a9e
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Filesize
5KB
MD5086d2e81b0c19b74943ac4eeeb459a56
SHA1448a2e6b3441d26c30ee12dc7d93de8a9c459c66
SHA256af3ebfddb7d9356ba8272014df8a10fed3c0ce25f17d0958e34daee4bef90b77
SHA512bebbdb06bff5e6ed36cf9a9e4bfe2230feeb0ad8e0d3192e835dbabf12eeaae2a784c9608ad91cc5d6e8ee7a1f413e1a7f29855f8371eef9db0dc3a894c74a9e
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Filesize
5KB
MD5bc7836f77f8028836397e690f4e998ed
SHA1dedfbfcb4399bf6e90a2005ae6911b602ff2fef1
SHA256fd133ec88368b5125c6e886efc0f30e345eec49a887169a904601fb3c5e50dcf
SHA512167e5f00b11409cade03214794bb146ff7db3ab62fd44620fddd98b64c81049ae5de4ccc57320a205554e957e6ce6b306a4525fec0d954b7629c819ce478c8af