dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c

Analysis

max time kernel
129s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 04:10

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General

Target

dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe
Size

144KB
MD5

a0559802e9e926edda3ee6605e796a53
SHA1

bf4615ebc3c3307e5a3c192d9421288aeea41aff
SHA256

dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c
SHA512

8cb02c346fd6ca528e17371d98ce3b8b298b421b6a41e1298c948a201d5202f2976a11586c9ea4b6f102e880952431929341ac93fe5e945f240d64bdb8e66c4d
SSDEEP

3072:U7cd2mQBzOho+L462lQBV+UdE+rECWp7hKOKW:UYaG4ABV+UdvrEFp7hKu

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000400000-0x0000000000424000-memory.dmp	UPX
C:\Program Files\Common Files\System\symsrv.dll	UPX
behavioral2/memory/4544-5-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4544-9-0x0000000000400000-0x0000000000424000-memory.dmp	UPX
behavioral2/memory/4544-11-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Program Files\Common Files\System\symsrv.dll	acprotect

Loads dropped DLL 3 IoCs

Processes:

dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exeWerFault.exeWerFault.exe

pid process

4544 dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe
2472 WerFault.exe
2552 WerFault.exe

pid	process
4544	dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe
2472	WerFault.exe
2552	WerFault.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
C:\Program Files\Common Files\System\symsrv.dll	upx
behavioral2/memory/4544-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4544-9-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4544-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe

description ioc process

File created C:\Program Files\Common Files\System\symsrv.dll dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2552 4544 WerFault.exe dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe

description pid process

Token: SeDebugPrivilege 4544 dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe

description	ioc	process
File created	C:\Program Files\Common Files\System\symsrv.dll	dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe

pid	pid_target	process	target process
2552	4544	WerFault.exe	dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe

description	pid	process
Token: SeDebugPrivilege	4544	dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe

C:\Users\Admin\AppData\Local\Temp\dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe
"C:\Users\Admin\AppData\Local\Temp\dc7233e3f954cdb6832c68566bfa4ea8c159809927afeda259fa779d767f375c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:4544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 576
2⤵
- Loads dropped DLL
- Program crash
PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
1⤵
- Loads dropped DLL
PID:2472

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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
memory/4544-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4544-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4544-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4544-11-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download