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
behavioral1/files/0x000900000002437c-5.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\Control Panel\International\Geo\Nation	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe

Executes dropped EXE 1 IoCs

pid	Process
1764	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 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Remote\setup.ini	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
File created	C:\Program Files\Remote\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
File opened for modification	C:\Program Files\Remote\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe	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
408	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 1764	4708	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe	91
PID 4708 wrote to memory of 408	4708	jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe	92

C:\Users\Admin\AppData\Local\Temp\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__ad9a6f5c89e88f3806f98b10a90dcb3c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- 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:1764
- 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:408

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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

setup.ini

Path C:\Program Files\Remote\setup.ini
Size 43B
SHA256 24f6c0129a4d7600ae9a3c19d81f9e5b20caf5896939326de9149f5df9cd6da4
MD5 0f5ff72b538bd1efad5f9a05a2abe5e4
SHA1 715e787360bd65038bd3ef347eb20c30cafcbe66
SHA512 832580f304e0d2257959eedb69035078c9af28b7889b9919699dc79e7d8f31b2ce39e7a4c3b3b6f6d1b3b4f5d4a781299ba28647a0a26585b923b905ff78b7f7
MD5 SHA1 SHA512

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/1764-11-0x00000000006A0000-0x00000000006A1000-memory.dmp

Download

memory/1764-20-0x00000000006A0000-0x00000000006A1000-memory.dmp

Download

memory/1764-19-0x0000000000400000-0x0000000000502000-memory.dmp

Download

memory/4708-0-0x00000000022A0000-0x00000000022A1000-memory.dmp

Download

memory/4708-12-0x0000000000400000-0x0000000000502000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads