6c84a1d2d4668c785784996db5db521493fc941b5e05cba2d8960b541d72d276

General

Target
jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
Size 512KB
Sample260919-ycejsaxtds
SHA256 6c84a1d2d4668c785784996db5db521493fc941b5e05cba2d8960b541d72d276
MD5 ad9a6f5c89e88f3806f98b10a90dcb3c
SHA1 9f8b7cea27a7bfefce296a7fe762ad11371fc63b
SHA512 2b6c91fd9e985d426aa989e3aaa2a28a7feaa64b8daadcd1cd437a7d8f36db1780b609985956aed347f5f3834441e2913abc20e9a24b4355d9351d12e564784f
SSDEEP 12288:HgVTbbXtcgZofFOoqKuKt1lFlwrTbbNoS4:AVrDZEOoqwaXbbNoS
TLSH
T170B423D5CE5459EBD0DBC63C46CE4BA14F62F4A896AD83BF02C5E55B7C0B040EA32A35
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

aspackv2 discovery execution persistence

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000d00000001c54e-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1152	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe

Adds Run key to start application 2 TTPs 2 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\sys = "C:\\Program Files\\Remote\\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe"	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\sys = "C:\\Program Files\\Remote\\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe"	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Remote\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
File opened for modification	C:\Program Files\Remote\setup.ini	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3724	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 1152	1260	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe	89
PID 1260 wrote to memory of 3724	1260	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Program Files\Remote\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
  "C:\Program Files\Remote\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:1152
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$5555.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3724

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe

Path C:\Program Files\Remote\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
Size 512KB
SHA256 6c84a1d2d4668c785784996db5db521493fc941b5e05cba2d8960b541d72d276
MD5 ad9a6f5c89e88f3806f98b10a90dcb3c
SHA1 9f8b7cea27a7bfefce296a7fe762ad11371fc63b
SHA512 2b6c91fd9e985d426aa989e3aaa2a28a7feaa64b8daadcd1cd437a7d8f36db1780b609985956aed347f5f3834441e2913abc20e9a24b4355d9351d12e564784f
SSDEEP 12288:HgVTbbXtcgZofFOoqKuKt1lFlwrTbbNoS4:AVrDZEOoqwaXbbNoS
TLSH
T170B423D5CE5459EBD0DBC63C46CE4BA14F62F4A896AD83BF02C5E55B7C0B040EA32A35
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

$$5555.bat

Path C:\Users\Admin\AppData\Local\Temp\$$5555.bat
Size 258B
SHA256 d6f0ad1e150b3cda3608643c52c6b5ffc6dd9f157394a0e56287e37e9c53bdfc
MD5 ebe13b2034cf1b519632109f1669c9ca
SHA1 29d2f0413fb75dee73aa5edf1064775b7ba94ed2
SHA512 e96daeeaa440aba2a55e69d7d8a057369b8c7a040d44fdf1c73485208606da8b54fdd4c73209a003d64efd9f3ebb0cbc4be31c5f096c6032889f06be696c5d9d
TLSH
T1DDD02B0142E3CF998808E01F0274A68CC5780D586F893B21473185C4119151DBBC3306
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1152-5-0x0000000000820000-0x0000000000821000-memory.dmp

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memory/1152-14-0x0000000000820000-0x0000000000821000-memory.dmp

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memory/1152-13-0x0000000000400000-0x0000000000502000-memory.dmp

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memory/1260-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

Download

memory/1260-12-0x0000000000400000-0x0000000000502000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads