991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 23:09

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General

Target

991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
Size

144KB
MD5

6297d37be19fa2d9875c1a6e3180cfdb
SHA1

e8cc9b46495e24009b35e53b318f6bab473eb3c1
SHA256

991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740
SHA512

1869f60db34181f63047e4c41d38806d3eca0fe84e6231881159576dd5d29f38a7b0b5dbf7b8a17e795fcc57207099af5392439ae544634673d702b8568a04dc
SSDEEP

3072:l5SVkkgUgXC7AdYzrV+Dljy/32ubwZ/qJ:SUFCkdYzrVolu/J0Z/

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/2680-438-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral1/memory/2680-443-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral1/memory/2680-1080-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral1/memory/548-1084-0x0000000000400000-0x000000000040B000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

pid	Process
3032	WindowsService.exe
548	WindowsService.exe
2332	WindowsService.exe

Loads dropped DLL 5 IoCs

pid	Process
2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-438-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-443-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-1080-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/548-1084-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\sidebar = "C:\\Users\\Admin\\AppData\\Roaming\\SystemWindows\\WindowsService.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3032 set thread context of 548	3032	WindowsService.exe	33
PID 3032 set thread context of 2332	3032	WindowsService.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe
Token: SeDebugPrivilege	548	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
3032	WindowsService.exe
548	WindowsService.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 3028 wrote to memory of 2680	3028	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	28
PID 2680 wrote to memory of 2456	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	29
PID 2680 wrote to memory of 2456	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	29
PID 2680 wrote to memory of 2456	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	29
PID 2680 wrote to memory of 2456	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	29
PID 2456 wrote to memory of 2328	2456	cmd.exe	31
PID 2456 wrote to memory of 2328	2456	cmd.exe	31
PID 2456 wrote to memory of 2328	2456	cmd.exe	31
PID 2456 wrote to memory of 2328	2456	cmd.exe	31
PID 2680 wrote to memory of 3032	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	32
PID 2680 wrote to memory of 3032	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	32
PID 2680 wrote to memory of 3032	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	32
PID 2680 wrote to memory of 3032	2680	991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe	32
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 548	3032	WindowsService.exe	33
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34
PID 3032 wrote to memory of 2332	3032	WindowsService.exe	34

C:\Users\Admin\AppData\Local\Temp\991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
"C:\Users\Admin\AppData\Local\Temp\991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe
  "C:\Users\Admin\AppData\Local\Temp\991a981068b0d7e68c714468ca240342bb5d64306a6340c5420537fa5604e740.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NHMIJ.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "sidebar" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe" /f
      4⤵
      Adds Run key to start application
      PID:2328
- - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
    "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3032
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:548
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      PID:2332

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\NHMIJ.bat

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

Download Submit
\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe

Filesize
144KB

MD5
53e7b09b3c0be7ec682e3f09bd70e369

SHA1
0f7440184915f157ad7b50dcf8037ab3e048cc7f

SHA256
409773e4ed27722a51e9471a3ae50e99277d3ba9125c3027c153a3050e82495c

SHA512
9cdbd551e2cdcbe17839247f86d2e18a6257553e3aa48cb61683e2910926ab4fba7194d7c0bc9a2dcadb36854eafbd71640a6689c836a4e4080c8600b38e7dfc

Download Submit
memory/548-1084-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2332-1081-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2332-1087-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-438-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-443-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-1080-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-2-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/3028-105-0x0000000001D30000-0x0000000001D31000-memory.dmp

Filesize
4KB

Download
memory/3032-617-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads