c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2

Analysis

max time kernel
135s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2023, 18:57

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General

Target

c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe
Size

243KB
MD5

fa9a2b7e3ebf976591d7161edd084f82
SHA1

cd3da10f727b85f4be9208b22b1ed8effaf75a99
SHA256

c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2
SHA512

b48741ef33bd899f097b0d5d5d2137247bbc95ae3bd81667430eb95ed4e71a02eb18f56883225d53facb9ddcc9eb73d08c5fdb6e98b7eb105847e37ec4b4ab29
SSDEEP

3072:ewzvOYNO5YPl3/DvbEvK9aobNI2B+DlIH3angqtirxzGlB89Vo6FoCG55lO/X9u0:1OiPlrh9H/B+3ChmBV+UdvrEFp7hK5p0

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0006000000022cc9-1.dat	acprotect
behavioral2/files/0x0006000000022cc9-7.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2712	c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0006000000022cc9-1.dat	upx
behavioral2/memory/2712-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x0006000000022cc9-7.dat	upx
behavioral2/memory/2712-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1908	2712	WerFault.exe	85
4028	2712	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2712	c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe
2712	c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe

C:\Users\Admin\AppData\Local\Temp\c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe
"C:\Users\Admin\AppData\Local\Temp\c1bb66afb50e7b2e34719b8e3aa622e32e7f8ae358f9b1f48bc3831a814a01a2.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 384
  2⤵
  - Program crash
  PID:1908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 396
  2⤵
  - Program crash
  PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2712 -ip 2712
1⤵
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2712 -ip 2712
1⤵
PID:5000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2712-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2712-4-0x0000000000540000-0x0000000000569000-memory.dmp

Filesize
164KB

Download
memory/2712-11-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download