e512b5e50d274d35aa3d5f01767db2e9aacea9890204f9a400938df71eaded7e

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 04:08

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

e512b5e50d274d35aa3d5f01767db2e9aacea9890204f9a400938df71eaded7e.dll
Size

150KB
MD5

cf4e117dc2f726f1e4fe28c4eb7eeb31
SHA1

5f54f75c763a7aa7f9e98db14c71b0da5691b65d
SHA256

e512b5e50d274d35aa3d5f01767db2e9aacea9890204f9a400938df71eaded7e
SHA512

cf8dd919956c17b53dda6b5f97e7755f2f6631d45e7adf47559d58a79ce759cf0c906206fdc979914c2d1f9034a2bf0da4a77163cd68585118fbaa03b6940108
SSDEEP

3072:KHHZMRNjKySdLcOFVHZ5ecbCKnN22lQBV+UdE+rECWp7hKjQ7E6:TWrjFpecbC7BV+UdvrEFp7hKj6/

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013ab9-1.dat	UPX
behavioral1/memory/2152-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2152-7-0x0000000010000000-0x0000000010030000-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.

resource	yara_rule
behavioral1/files/0x000c000000013ab9-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
2152	rundll32.exe
2868	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000013ab9-1.dat	upx
behavioral1/memory/2152-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2152-7-0x0000000010000000-0x0000000010030000-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
2868	2152	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2152	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2152	1624	rundll32.exe	28
PID 1624 wrote to memory of 2152	1624	rundll32.exe	28
PID 1624 wrote to memory of 2152	1624	rundll32.exe	28
PID 1624 wrote to memory of 2152	1624	rundll32.exe	28
PID 1624 wrote to memory of 2152	1624	rundll32.exe	28
PID 1624 wrote to memory of 2152	1624	rundll32.exe	28
PID 1624 wrote to memory of 2152	1624	rundll32.exe	28
PID 2152 wrote to memory of 2868	2152	rundll32.exe	29
PID 2152 wrote to memory of 2868	2152	rundll32.exe	29
PID 2152 wrote to memory of 2868	2152	rundll32.exe	29
PID 2152 wrote to memory of 2868	2152	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e512b5e50d274d35aa3d5f01767db2e9aacea9890204f9a400938df71eaded7e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e512b5e50d274d35aa3d5f01767db2e9aacea9890204f9a400938df71eaded7e.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 280
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2868

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

Loading Replay Monitor...

Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2152-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2152-6-0x0000000074F70000-0x0000000074F84000-memory.dmp

Filesize
80KB

Download
memory/2152-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download