4a484ea7e8ef58c59faadfea95fa7b9e56483868e688b2d6fce8b0550ec56efd

Analysis

max time kernel
131s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 04:38

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General

Target

d2a3327d331190f51f27be51011d4040_NEIKI.dll
Size

119KB
MD5

d2a3327d331190f51f27be51011d4040
SHA1

983e5aff2b01ed4d54d7d44eb0d184c8fdeda06f
SHA256

4a484ea7e8ef58c59faadfea95fa7b9e56483868e688b2d6fce8b0550ec56efd
SHA512

d63f9877c023073578ff08eac98bd43958759f5a4720087f36d48ec9cb0dcf8c7ba1b21519e40e7b6856c8b839077efe722286057978a4d04890a91ca93a3260
SSDEEP

1536:7Tdl6PT4E9fXFGCRrPRBDOlCk7vTN2s+zheW6BVrqzCJ3bdDY+W14N4NmzWlIA7i:TqF1GKPRBa2lQBV+UdE+rECWp7hKHQ8

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
behavioral2/files/0x001c000000023aeb-1.dat	acprotect

Loads dropped DLL 5 IoCs

pid	Process
2172	rundll32.exe
4408	WerFault.exe
1904	WerFault.exe
2812	WerFault.exe
736	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x001c000000023aeb-1.dat	upx
behavioral2/memory/2172-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2172-12-0x0000000010000000-0x0000000010030000-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 2 IoCs

pid	pid_target	Process	procid_target
1904	2172	WerFault.exe	83
736	2172	WerFault.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 2172	960	rundll32.exe	83
PID 960 wrote to memory of 2172	960	rundll32.exe	83
PID 960 wrote to memory of 2172	960	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2a3327d331190f51f27be51011d4040_NEIKI.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2a3327d331190f51f27be51011d4040_NEIKI.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 700
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 740
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2172 -ip 2172
1⤵
- Loads dropped DLL
PID:4408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2172 -ip 2172
1⤵
- Loads dropped DLL
PID:2812

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2172-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2172-12-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2172-10-0x00000000751E0000-0x00000000751EC000-memory.dmp

Filesize
48KB

Download