a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6

General

Target
jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
Size 34KB
Sample260925-wse45sty4k
SHA256 a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6
MD5 ce67550e1aee7d7485e9a96814f799fc
SHA1 7cebb8e25ea927de822cd96b45bdd24fbd10f919
SHA512 6c4f2e46d29af8d0f7da4711d161f4915883756719a6f6abd2120401769f2b32da2d3e0c2949503bd096732756781389047a272b3f018a77c66d652c3bdc9d91
SSDEEP 768:zHDp+OuMdU0n1VTGI1DU6IvANuuDawfVUedvovdiE:PNznXpUTAMd1W8j
TLSH
T1DDF23A5B674580A3D2ED0534B0A81F37DEBE993468A4D863CF739AEA0DB51D3D47830A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4864	ptshell.exe

Loads dropped DLL 2 IoCs

pid	Process
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
4864	ptshell.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ptshell = "C:\\Windows\\ptshell.exe"	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ptshell.dll	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
File created	C:\Windows\SysWOW64\ptshell.dll	ptshell.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ptshell.exe	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
File opened for modification	C:\Windows\ptshell.exe	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ptshell.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
4864	ptshell.exe
4864	ptshell.exe
4864	ptshell.exe
4864	ptshell.exe
4864	ptshell.exe
4864	ptshell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
4864	ptshell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 3252	2544	jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe	56
PID 4864 wrote to memory of 3252	4864	ptshell.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3252
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2544

C:\Windows\ptshell.exe
C:\Windows\ptshell.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ptshell.dll

Path C:\Windows\SysWOW64\ptshell.dll
Size 28KB
SHA256 a64737cb53c20475b52706d95fd48b7d9f43acb27ed2beeb47f4b180f73fd414
MD5 57c3b373aa6a3833de63d014bed93d1f
SHA1 5bf7057982e56c25530335518964fcb605d18624
SHA512 bb953ae8b66716280ae587a3b8cb49cc903e6858fe43e1000d8fa8886f7f85b439b8e36cd3c8c51a3949c508ce436349e57ba5d4ecfe5ea1d406be2530825374
SSDEEP 384:ien1Z0cXT3LqIV3W8awLDFyu3K9vAwif/uzEtDawf8OjolB/eeWdv70v44z7sVWL:Ln1VTGI1DU6IvANuuDawfVUedvovdiE
TLSH
T123D25B56674681F3D2EE0534B0AC1F379D7ED93868909463DF739BEE0DB50C6E42821A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ptshell.exe

Path C:\Windows\ptshell.exe
Size 34KB
SHA256 a5e57dd04431e7c3c9bc840aad48e010c9fd626c0219e6b73093901032d1a2c6
MD5 ce67550e1aee7d7485e9a96814f799fc
SHA1 7cebb8e25ea927de822cd96b45bdd24fbd10f919
SHA512 6c4f2e46d29af8d0f7da4711d161f4915883756719a6f6abd2120401769f2b32da2d3e0c2949503bd096732756781389047a272b3f018a77c66d652c3bdc9d91
SSDEEP 768:zHDp+OuMdU0n1VTGI1DU6IvANuuDawfVUedvovdiE:PNznXpUTAMd1W8j
TLSH
T1DDF23A5B674580A3D2ED0534B0A81F37DEBE993468A4D863CF739AEA0DB51D3D47830A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2544-3-0x0000000000402000-0x0000000000403000-memory.dmp

Download

memory/2544-6-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/2544-7-0x0000000000670000-0x0000000000671000-memory.dmp

Download

memory/2544-9-0x0000000000680000-0x0000000000681000-memory.dmp

Download

memory/3252-2-0x0000000002F00000-0x0000000002F01000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads