38a911ec3cc09e1301e5abd2a04824aa38d1e329dbc939e9c56f7d0fd9637ae3

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 22:40

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General

Target

81bf621cbb8f591976aa67bd588d6110_NEIKI.exe
Size

220KB
MD5

81bf621cbb8f591976aa67bd588d6110
SHA1

12369e60366943f36a56ce868d3e4141046d4e21
SHA256

38a911ec3cc09e1301e5abd2a04824aa38d1e329dbc939e9c56f7d0fd9637ae3
SHA512

526c06cf1b38909e09f99410e7fd40d77095111cd40734676d66173e945487092971bab3eab0df93dcc2911723652c66becd1c58d8b0adabf12e65c0746ea0f0
SSDEEP

6144:OtLEUXDb9+jNnQCLBVwXBV+UdvrEFp7hKqt1Dx:OtLEsB+jVJVwXBjvrEH7Pnx

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/0x000800000002340d-1.dat	acprotect

Loads dropped DLL 3 IoCs

pid	Process
1988	81bf621cbb8f591976aa67bd588d6110_NEIKI.exe
4852	WerFault.exe
2352	WerFault.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1988-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000800000002340d-1.dat	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	81bf621cbb8f591976aa67bd588d6110_NEIKI.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	1988	WerFault.exe	81

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	81bf621cbb8f591976aa67bd588d6110_NEIKI.exe

C:\Users\Admin\AppData\Local\Temp\81bf621cbb8f591976aa67bd588d6110_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\81bf621cbb8f591976aa67bd588d6110_NEIKI.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:1988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 552
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1988 -ip 1988
1⤵
- Loads dropped DLL
PID:4852

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/1988-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1988-8-0x0000000000EF0000-0x00000000010AB000-memory.dmp

Filesize
1.7MB

Download