a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f

General

Target

a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
Size

63KB
MD5

5d89e77e6e4256ee48fc6f7c18da8f30
SHA1

d7fb23063c22e628a7a77a1fc8f7cba26cce021b
SHA256

a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f
SHA512

12aa3946c2acd4333598b800ac6acbbf6e7e0c28acab6fc2ea23065d587b0c5145bf83250e9dbc9ec1ff3291622f909899560a99414a4ea18fec23c8b9752f80
SSDEEP

1536:gzqc7h/pJLB7Y4Tafrfd8bOptgv4Dh1XT:l42frdzgv4DhNT

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-81350\\sxshin4.exe"	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2304-132-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2304-133-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2304-139-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xsh2n4 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-81350\\sxshin4.exe"	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-81350\Desktop.ini	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-81350\\sxshin4.exe"	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1236	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
1236	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 2304 wrote to memory of 1236	2304	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	80
PID 1236 wrote to memory of 3048	1236	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	55
PID 1236 wrote to memory of 3048	1236	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	55
PID 1236 wrote to memory of 3048	1236	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3048
- C:\Users\Admin\AppData\Local\Temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
  "C:\Users\Admin\AppData\Local\Temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2304
- - \??\c:\users\admin\appdata\local\temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
    "c:\users\admin\appdata\local\temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Adds Run key to start application
    - Drops desktop.ini file(s)
    - Modifies WinLogon
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1236-135-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1236-138-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2304-132-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2304-133-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2304-137-0x0000000002370000-0x00000000073CF000-memory.dmp

Filesize
80.4MB

Download
memory/2304-139-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads