c14071f5c5edb9393b376dfa92b168aaa4b0416e900fc2c14b62f2bc3e6bfe98

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
08/06/2024, 23:53

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General

Target

c14071f5c5edb9393b376dfa92b168aaa4b0416e900fc2c14b62f2bc3e6bfe98.dll
Size

223KB
MD5

a8a7492b028f6bb168090ca43363b628
SHA1

e41e54519554562e7e9afb3173206e9858e404a5
SHA256

c14071f5c5edb9393b376dfa92b168aaa4b0416e900fc2c14b62f2bc3e6bfe98
SHA512

c817a0aa6972dea3c8ce513de96417c38dd61ad8b45372fcf869ef8cd53c84aa9244d44c9f289954f9fd24644b2ca9165e6f352296b69ad146d2aa07bb5d490d
SSDEEP

3072:6huf5AbAcviJvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKAvFuU:ZBAbyVagufYLIBV+UdvrEFp7hKAvr

Score

8^/10

persistence upx

Malware Config

Signatures

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.

resource	yara_rule
behavioral1/files/0x000a000000012280-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
2132	rundll32.exe
1740	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012280-1.dat	upx
behavioral1/memory/2132-3-0x0000000000140000-0x0000000000170000-memory.dmp	upx
behavioral1/memory/2132-7-0x0000000000140000-0x0000000000170000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1740	2132	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2132	2056	rundll32.exe	28
PID 2056 wrote to memory of 2132	2056	rundll32.exe	28
PID 2056 wrote to memory of 2132	2056	rundll32.exe	28
PID 2056 wrote to memory of 2132	2056	rundll32.exe	28
PID 2056 wrote to memory of 2132	2056	rundll32.exe	28
PID 2056 wrote to memory of 2132	2056	rundll32.exe	28
PID 2056 wrote to memory of 2132	2056	rundll32.exe	28
PID 2132 wrote to memory of 1740	2132	rundll32.exe	29
PID 2132 wrote to memory of 1740	2132	rundll32.exe	29
PID 2132 wrote to memory of 1740	2132	rundll32.exe	29
PID 2132 wrote to memory of 1740	2132	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c14071f5c5edb9393b376dfa92b168aaa4b0416e900fc2c14b62f2bc3e6bfe98.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c14071f5c5edb9393b376dfa92b168aaa4b0416e900fc2c14b62f2bc3e6bfe98.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 308
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2132-3-0x0000000000140000-0x0000000000170000-memory.dmp

Filesize
192KB

Download
memory/2132-6-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/2132-7-0x0000000000140000-0x0000000000170000-memory.dmp

Filesize
192KB

Download