c02f893b2677d1ee79bf5113ee6166a2752a8cb08895bb9513fb7888225a8f81

Analysis

max time kernel
119s
max time network
34s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 00:27

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General

Target

b7dc2caf42b55eb802781b9783a0c550N.exe
Size

101KB
MD5

b7dc2caf42b55eb802781b9783a0c550
SHA1

5d0ca506b0734ebb0cf778a0bb86dda3bc5f4290
SHA256

c02f893b2677d1ee79bf5113ee6166a2752a8cb08895bb9513fb7888225a8f81
SHA512

62340181f0ecc9f9ed35eccac56278306615b7e659f0e82d54a11cb455f2cc047a0dc8549a2bb7d66e169f8558541f7af1de9eb3cfd0ddb4b8a8c7941941cc72
SSDEEP

3072:QKD29n1h+popOOfaPOx5P+m/pNdhZ1QYUdq:Qph+6pAkGm/pH1gdq

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1092	b7dc2caf42b55eb802781b9783a0c550N.exe
1536	WindowsService.exe
2464	WindowsService.exe
2668	WindowsService.exe

Loads dropped DLL 6 IoCs

pid	Process
2980	b7dc2caf42b55eb802781b9783a0c550N.exe
1092	b7dc2caf42b55eb802781b9783a0c550N.exe
1092	b7dc2caf42b55eb802781b9783a0c550N.exe
1092	b7dc2caf42b55eb802781b9783a0c550N.exe
1092	b7dc2caf42b55eb802781b9783a0c550N.exe
1092	b7dc2caf42b55eb802781b9783a0c550N.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2980-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/2980-4-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/2980-140-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/2980-111-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/2980-80-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/2980-192-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/1092-190-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0008000000015fa5-188.dat	upx
behavioral1/memory/1092-195-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000015f4d-222.dat	upx
behavioral1/memory/1536-239-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/1092-242-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1092-243-0x0000000003240000-0x000000000327C000-memory.dmp	upx
behavioral1/memory/1536-247-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/1092-456-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2464-451-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1536-450-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/2464-459-0x0000000000400000-0x000000000040B000-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-1-5-21-1506706701-1246725540-2219210854-1000\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 2980 set thread context of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 1536 set thread context of 2464	1536	WindowsService.exe	36
PID 1536 set thread context of 2668	1536	WindowsService.exe	37

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7dc2caf42b55eb802781b9783a0c550N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7dc2caf42b55eb802781b9783a0c550N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe
Token: SeDebugPrivilege	2464	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2980	b7dc2caf42b55eb802781b9783a0c550N.exe
1092	b7dc2caf42b55eb802781b9783a0c550N.exe
1536	WindowsService.exe
2464	WindowsService.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 2980 wrote to memory of 1092	2980	b7dc2caf42b55eb802781b9783a0c550N.exe	30
PID 1092 wrote to memory of 2356	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	31
PID 1092 wrote to memory of 2356	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	31
PID 1092 wrote to memory of 2356	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	31
PID 1092 wrote to memory of 2356	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	31
PID 2356 wrote to memory of 1728	2356	cmd.exe	33
PID 2356 wrote to memory of 1728	2356	cmd.exe	33
PID 2356 wrote to memory of 1728	2356	cmd.exe	33
PID 2356 wrote to memory of 1728	2356	cmd.exe	33
PID 1092 wrote to memory of 1536	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	34
PID 1092 wrote to memory of 1536	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	34
PID 1092 wrote to memory of 1536	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	34
PID 1092 wrote to memory of 1536	1092	b7dc2caf42b55eb802781b9783a0c550N.exe	34
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2464	1536	WindowsService.exe	36
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37
PID 1536 wrote to memory of 2668	1536	WindowsService.exe	37

C:\Users\Admin\AppData\Local\Temp\b7dc2caf42b55eb802781b9783a0c550N.exe
"C:\Users\Admin\AppData\Local\Temp\b7dc2caf42b55eb802781b9783a0c550N.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\b7dc2caf42b55eb802781b9783a0c550N.exe
  "C:\Users\Admin\AppData\Local\Temp\b7dc2caf42b55eb802781b9783a0c550N.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JBVWK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2356
  - - 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
      System Location Discovery: System Language Discovery
      PID:1728
- - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
    "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1536
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2464
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      PID:2668

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

Download Submit
C:\Users\Admin\AppData\Local\Temp\b7dc2caf42b55eb802781b9783a0c550N.exe

Filesize
101KB

MD5
b7dc2caf42b55eb802781b9783a0c550

SHA1
5d0ca506b0734ebb0cf778a0bb86dda3bc5f4290

SHA256
c02f893b2677d1ee79bf5113ee6166a2752a8cb08895bb9513fb7888225a8f81

SHA512
62340181f0ecc9f9ed35eccac56278306615b7e659f0e82d54a11cb455f2cc047a0dc8549a2bb7d66e169f8558541f7af1de9eb3cfd0ddb4b8a8c7941941cc72

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

Filesize
101KB

MD5
5c986799de88fea977e1fa55c8c1ac8f

SHA1
03dfb94887567d5c110474d048a19ed79819eb87

SHA256
ba9ef90d177e2de86dc3d9c37ae90e0826ddc8c203986fb429ca6e9e2ca77f09

SHA512
322393b8b8e89fce88298cd0d6e431b1a822ac4def86879dc1022a8b8d4b68e130ce4e73b1e6ec93b059dbba7d499c7f4f95b1c341e1419f5bfe1ee907d5c432

Download Submit
memory/1092-243-0x0000000003240000-0x000000000327C000-memory.dmp

Filesize
240KB

Download
memory/1092-244-0x0000000003240000-0x000000000327C000-memory.dmp

Filesize
240KB

Download
memory/1092-456-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1092-242-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1092-236-0x0000000003240000-0x000000000327C000-memory.dmp

Filesize
240KB

Download
memory/1092-190-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1092-237-0x0000000003240000-0x000000000327C000-memory.dmp

Filesize
240KB

Download
memory/1092-195-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1536-239-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1536-450-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1536-247-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-459-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2464-451-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-189-0x0000000002920000-0x000000000295C000-memory.dmp

Filesize
240KB

Download
memory/2980-80-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2980-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2980-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2980-192-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2980-111-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2980-27-0x000000000040B000-0x000000000040C000-memory.dmp

Filesize
4KB

Download
memory/2980-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2980-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads