4fc6cac9d7547036158bc3aa8be06f2a6be57eabc406abf3a39c2cacb5f410b8

General

Target

Purchase order-77.exe
Size

443KB
MD5

8a26d6812aece27f98e9985488d457b0
SHA1

ba317aa78c6efd8e763f7b7a19c858724c6f2f1d
SHA256

4fc6cac9d7547036158bc3aa8be06f2a6be57eabc406abf3a39c2cacb5f410b8
SHA512

bc94d03c06d842601f755073c8e47e3ae6f1b07aab30d347c3884c23ebf8e72acdb972f0b3a034ec5c31b49e76cd5a995d737e5e7f7497b52290019930608576

Score

7^/10

Malware Config

Signatures

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

Deletes itself 1 IoCs

pid	Process
1776	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 1532	1612	Purchase order-77.exe	24
PID 1532 set thread context of 1256	1532	Purchase order-77.exe	20
PID 1532 set thread context of 1256	1532	Purchase order-77.exe	20
PID 1316 set thread context of 1256	1316	mstsc.exe	20

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1532	Purchase order-77.exe
1532	Purchase order-77.exe
1532	Purchase order-77.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe
1316	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	Purchase order-77.exe
Token: SeDebugPrivilege	1316	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1532	Purchase order-77.exe
1532	Purchase order-77.exe
1532	Purchase order-77.exe
1532	Purchase order-77.exe
1316	mstsc.exe
1316	mstsc.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1532	1612	Purchase order-77.exe	24
PID 1612 wrote to memory of 1532	1612	Purchase order-77.exe	24
PID 1612 wrote to memory of 1532	1612	Purchase order-77.exe	24
PID 1612 wrote to memory of 1532	1612	Purchase order-77.exe	24
PID 1612 wrote to memory of 1532	1612	Purchase order-77.exe	24
PID 1612 wrote to memory of 1532	1612	Purchase order-77.exe	24
PID 1612 wrote to memory of 1532	1612	Purchase order-77.exe	24
PID 1256 wrote to memory of 1316	1256	Explorer.EXE	25
PID 1256 wrote to memory of 1316	1256	Explorer.EXE	25
PID 1256 wrote to memory of 1316	1256	Explorer.EXE	25
PID 1256 wrote to memory of 1316	1256	Explorer.EXE	25
PID 1316 wrote to memory of 1776	1316	mstsc.exe	26
PID 1316 wrote to memory of 1776	1316	mstsc.exe	26
PID 1316 wrote to memory of 1776	1316	mstsc.exe	26
PID 1316 wrote to memory of 1776	1316	mstsc.exe	26

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Checks whether UAC is enabled
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\Purchase order-77.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order-77.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Users\Admin\AppData\Local\Temp\Purchase order-77.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: MapViewOfSection
    PID:1532
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Purchase order-77.exe"
    3⤵
    - Deletes itself
    PID:1776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1256-2-0x0000000004060000-0x000000000412E000-memory.dmp

Filesize
824KB

Download
memory/1316-4-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download
memory/1316-6-0x0000000002010000-0x0000000002116000-memory.dmp

Filesize
1.0MB

Download
memory/1532-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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