c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2024, 03:14

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General

Target
c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe
Size 78KB
Sample241020-drpyvawbpd
SHA256 c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007
MD5 b7ba9fd4ecf49849e6fa80a85cea3500
SHA1 ce1148b812c0fabadbbc36ebb9c14a2ca6a3256e
SHA512 688d4f28beb0605b59f32430ecf08b05f677fce010861dfa732fab63afd615085b4512da59c9d49733cbad3fce47b0681ef53c8536ba4e577cfa306966c2c77a
SSDEEP 1536:yRCHH638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQteg9/61BZ:yRCHa3Ln7N041Qqhgeg9/U
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe

Deletes itself 1 IoCs

pid	Process
2804	tmp7DEA.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	tmp7DEA.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmp7DEA.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp7DEA.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe
Token: SeDebugPrivilege	2804	tmp7DEA.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 780	1736	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe	84
PID 1736 wrote to memory of 780	1736	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe	84
PID 1736 wrote to memory of 780	1736	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe	84
PID 780 wrote to memory of 1136	780	vbc.exe	88
PID 780 wrote to memory of 1136	780	vbc.exe	88
PID 780 wrote to memory of 1136	780	vbc.exe	88
PID 1736 wrote to memory of 2804	1736	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe	90
PID 1736 wrote to memory of 2804	1736	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe	90
PID 1736 wrote to memory of 2804	1736	c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe	90

C:\Users\Admin\AppData\Local\Temp\c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe
"C:\Users\Admin\AppData\Local\Temp\c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\oq-crufm.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:780
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7EE4.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc79F374015AB7423690E922B1D4C8679B.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1136
- C:\Users\Admin\AppData\Local\Temp\tmp7DEA.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp7DEA.tmp.exe" C:\Users\Admin\AppData\Local\Temp\c3bcae67020d1c7940aa571e29ba2ad7b04f76e24847a2b6ca02abbed06b6007N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

RES7EE4.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES7EE4.tmp
Size 1KB
SHA256 51bb110dd1357a9959f8ec1bd536fcddb976eef540da39260f25bd4d826c30a9
MD5 c7bb77ae5b309b0d19c6b70998389e89
SHA1 7ca821fd57adc5a0bc4e3376140e9e5f6c17dd7f
SHA512 c0bdacbc3471e6824b8145dc62b9bc05674153076481dd89198100d457b06e8356af1fedf2e5c0e1d5bae0896f01e0b38db82946e0b24708c5c7f914b99c5df0
MD5 SHA1 SHA512

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oq-crufm.0.vb

Path C:\Users\Admin\AppData\Local\Temp\oq-crufm.0.vb
Size 15KB
SHA256 dcd151f4b043aac57c1671e82c7c43359bba0e93bf73e9a6549d374f2dc15267
MD5 5bffe5b8ca8b9c23cdc4953f55a2b8fe
SHA1 23d66a1ae17dcba9cb436fbbf00b8ae3924e9dcb
SHA512 d312abbd16f7b2a30067b09b7c87dfee521a250e407f0985fad0c6d062faf091db9c9e07dd9fe4019e88288ec37d5ca2f9696ceb05841434973c1ace65256147
SSDEEP 384:rPNsPNBN2/NQtlN7PNTcHbrE6NAzN7Q+SN7eP:Zs172FU71TcHjAhn+m
MD5 SHA1 SHA512 SSDEEP

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oq-crufm.cmdline

Path C:\Users\Admin\AppData\Local\Temp\oq-crufm.cmdline
Size 266B
SHA256 14a54e72aaed63b71df66830ca98b73cdbade594e6e64916bbd1d6cd8aa570aa
MD5 56dc2b80b7a69a9ff19e27259f256f21
SHA1 3ddcedfaa46ee2f67938a3742b5141f7db6814b1
SHA512 4fa62259856290e8c6aba9af21e9e3eb2dd6ff97b95552b8ba5139be45b11f1b39befd9a389512e6baa34b99237b1ac619964afe27b54e04f79fa665e9371595
MD5 SHA1 SHA512

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tmp7DEA.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp7DEA.tmp.exe
Size 78KB
SHA256 95fd3782043e0295965da2c09f13d078dd076132dda2fd18de6e1547fa3b0995
MD5 4cf7f483210ea8c7c4377429df995c03
SHA1 bb2458a2f5f80f1b2210318a81bbcbf9bba75084
SHA512 c88a619f50a5f9d011ec940890269c46a12c0ab3d66dc751b8db25d0fea549b54c0ede4ffebf7eee93965c829449e6f8f8fbcf4ec1bdf47b847ddef826282890
SSDEEP 1536:w5jSVdy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtC6r9/LjC1nU:w5jSAn7N041QqhgT9/LD
MD5 SHA1 SHA512 SSDEEP

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vbc79F374015AB7423690E922B1D4C8679B.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc79F374015AB7423690E922B1D4C8679B.TMP
Size 660B
SHA256 90b20742ec7573d72d026dc37997c4fffa9699d0ccff69786c4ae405b8fb4c37
MD5 f3685cba7c8cc9023ff390191c931dee
SHA1 1b3e2a8f7fe5f8efc6f122c911478e2da1c1966c
SHA512 710a5e98c91405768913c501cb5393924efc5334dc4a9264ca9ba7d7e6bda89d213c134550d654d403f909b8e1b44933af0ae86f862e6da5c9a71c7cab37a617
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430
MD5 aa4bdac8c4e0538ec2bb4b7574c94192
SHA1 ef76d834232b67b27ebd75708922adea97aeacce
SHA512 0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65
SSDEEP 1536:edy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtQ:pn7N041QqhgQ
MD5 SHA1 SHA512 SSDEEP

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memory/780-18-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/780-9-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1736-2-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1736-0-0x0000000074DC2000-0x0000000074DC3000-memory.dmp

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memory/1736-1-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1736-22-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/2804-23-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/2804-24-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/2804-26-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/2804-27-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/2804-28-0x0000000074DC0000-0x0000000075371000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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