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-1-5-21-3385717845-2518323428-350143044-1000\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 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/956-54-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/956-63-0x0000000000400000-0x000000000040E000-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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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 956 set thread context of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1764	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 956 wrote to memory of 1764	956	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	28
PID 1764 wrote to memory of 1280	1764	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	11
PID 1764 wrote to memory of 1280	1764	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	11
PID 1764 wrote to memory of 1280	1764	a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe	11

C:\Users\Admin\AppData\Local\Temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
"C:\Users\Admin\AppData\Local\Temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:956
- \??\c:\users\admin\appdata\local\temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe
  "c:\users\admin\appdata\local\temp\a079a968846cb7a9453b846431794c0addb072fc0c3e5256dd8e8387ecd0832f.exe"
  2⤵
  - 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:1764

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280

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/956-54-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/956-63-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1764-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1764-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1764-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1764-59-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1764-60-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1764-64-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads