5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446

Analysis

max time kernel
79s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2023 19:31

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General

Target

5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe
Size

2.7MB
MD5

e72be216db6681d49acd7fc6d2b46171
SHA1

27f0d8e8bca5cf59358ca80f3fbb005edd55abcf
SHA256

5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446
SHA512

316033984937673dc5de778a0124c4115ac96940eb03f5040910d59eb220ef89e3dcc897b9b39f341121bd32220e41447502546a80df95a7e78a5716d136769b
SSDEEP

49152:zPE6vXDUOY7MqclLy0wsXuhXabboP4ACQDAknmCwlzI8ndEyw+AZ/WY4N2WwW/Kl:LFvX0MFLySXuhXa/oP4ACYAknmCMIjyK

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/0x00040000000222d5-1.dat	acprotect
behavioral2/files/0x00040000000222d5-6.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1840	5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1840-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x00040000000222d5-1.dat	upx
behavioral2/files/0x00040000000222d5-6.dat	upx
behavioral2/memory/1840-15-0x0000000010000000-0x0000000010030000-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:	5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2516	1840	WerFault.exe	85
3668	1840	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1840	5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe
1840	5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1840	5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1840	5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe

C:\Users\Admin\AppData\Local\Temp\5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe
"C:\Users\Admin\AppData\Local\Temp\5b4db4197f3dc0a526d39a3ba2b16a6fe766da7616e676065a84b3b69c299446.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 824
  2⤵
  - Program crash
  PID:2516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 832
  2⤵
  - Program crash
  PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1840 -ip 1840
1⤵
PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1840 -ip 1840
1⤵
PID:1384

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/1840-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1840-8-0x00000000005D0000-0x0000000000878000-memory.dmp

Filesize
2.7MB

Download
memory/1840-11-0x00000000005D0000-0x0000000000878000-memory.dmp

Filesize
2.7MB

Download
memory/1840-12-0x00000000005D0000-0x0000000000878000-memory.dmp

Filesize
2.7MB

Download
memory/1840-13-0x00000000005D0000-0x0000000000878000-memory.dmp

Filesize
2.7MB

Download
memory/1840-15-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download