82c94876f4751dfd47f670099da3957333dd437eca805ab25059937a44b21f75

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 13:37

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General

Target

1ae0608c4c92bdd30f927cf2d2f20690N.exe
Size

11KB
MD5

1ae0608c4c92bdd30f927cf2d2f20690
SHA1

abf6c37867990af001c9a6d3f9ef289ca9587326
SHA256

82c94876f4751dfd47f670099da3957333dd437eca805ab25059937a44b21f75
SHA512

7784b0b156ecaa5659ad86f3eb9547f78d67265a9b2815e93edcecf464bc2c5f7ec728b156b3c943781579e829d138e38b81635b8cfcbdb203314c16bf93d148
SSDEEP

192:Zg6eHLE5KxkDpnqKjIdtaCRYvRtCk1rE1Ty68A3CuYYpZ7E:G6eHIAx0pqNgHvRtoyhASuYYpZ7E

Score

7^/10

discovery evasion persistence trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2584	xplorer.exe

Loads dropped DLL 5 IoCs

pid	Process
2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe
2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe
2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe
2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe
2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe

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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\xplorer = "C:\\Windows\\xplorer\\xplorer.exe"	reg.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1ae0608c4c92bdd30f927cf2d2f20690N.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	xplorer.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\xplorer\xplorer.exe	1ae0608c4c92bdd30f927cf2d2f20690N.exe
File opened for modification	C:\Windows\xplorer\xplorer.exe	1ae0608c4c92bdd30f927cf2d2f20690N.exe

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 4 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xplorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1ae0608c4c92bdd30f927cf2d2f20690N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe
Token: SeDebugPrivilege	2584	xplorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe
2584	xplorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2708	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	30
PID 2772 wrote to memory of 2708	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	30
PID 2772 wrote to memory of 2708	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	30
PID 2772 wrote to memory of 2708	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	30
PID 2708 wrote to memory of 2748	2708	cmd.exe	32
PID 2708 wrote to memory of 2748	2708	cmd.exe	32
PID 2708 wrote to memory of 2748	2708	cmd.exe	32
PID 2708 wrote to memory of 2748	2708	cmd.exe	32
PID 2772 wrote to memory of 2584	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	33
PID 2772 wrote to memory of 2584	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	33
PID 2772 wrote to memory of 2584	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	33
PID 2772 wrote to memory of 2584	2772	1ae0608c4c92bdd30f927cf2d2f20690N.exe	33

C:\Users\Admin\AppData\Local\Temp\1ae0608c4c92bdd30f927cf2d2f20690N.exe
"C:\Users\Admin\AppData\Local\Temp\1ae0608c4c92bdd30f927cf2d2f20690N.exe"
1⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\TCOSP.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "xplorer" /t REG_SZ /d "C:\Windows\xplorer\xplorer.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2748
- C:\Windows\xplorer\xplorer.exe
  "C:\Windows\xplorer\xplorer.exe"
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2584

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\TCOSP.bat

Filesize
124B

MD5
4e6e99d38b1264af2b53a68c7cd6d648

SHA1
55ffe17732d1d9c539d702a1311ef9674fe7b3cf

SHA256
168d9cdf4849fde3b4817db207e60934b6c877be439289f3fb3a4eb9e4326ff0

SHA512
bde21abed1bfc3dbdd6afc83614aa27c3f33dfbb434e139523ac57ecd84875b0e96a241f5828eda0b055f787ec7f95850b0f4ab0ee752ac36484b2bfd78a859d

Download Submit
\Windows\xplorer\xplorer.exe

Filesize
11KB

MD5
63042b3af04803c7eaf540db5eec6a0e

SHA1
247a723addfc050b94fbc46c176746b128abb52c

SHA256
8cb46460b309ec08511fb95cd89e23bc61526813d7747786a90114657b481288

SHA512
374462d42204e4ee8b6f751d6983801bc6bd75b47421cc80dc5431580032aa7ac4566f9e4f5c68d42fe794734e4737cdf433cdc34b80839c207943da7b79d815

Download Submit
memory/2584-45-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2584-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2772-41-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/2772-42-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/2772-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2772-32-0x00000000030B0000-0x00000000030B9000-memory.dmp

Filesize
36KB

Download
memory/2772-43-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/2772-48-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2772-49-0x00000000030B0000-0x00000000030B9000-memory.dmp

Filesize
36KB

Download
memory/2772-50-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/2772-51-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/2772-52-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/2772-27-0x00000000030B0000-0x00000000030B9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads