9e8f48eb767fcc815e52b001490086397079986a8389ae9d239097128546024f

General

Target

e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe
Size

23KB
MD5

e2abbf30e779a5f8931222f7398e2ee1
SHA1

ce71ed03848d2f908237c397fe17b539c969e6a4
SHA256

9e8f48eb767fcc815e52b001490086397079986a8389ae9d239097128546024f
SHA512

e683298bd2adbe042489116a6f01dd58491f661cb9604baab700f4f5c192e71caa6f0300552e6ce0d7a7596c336b2d28b0e26ef5e94fea0d3fcf5280c5a5a84e
SSDEEP

384:bOiObYq5/pvqLyqSbSq0eK5zM+4P/8JI3ryKOxZ9J9m/D6TXPhPf+fF6b2pO7:cbN5hSZBNzJEX3rf6XPh+4H

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 4 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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	OV3S4IE6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	eY852eYn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	MW6K73g7.exe

Executes dropped EXE 4 IoCs

pid	Process
2908	MW6K73g7.exe
3772	OV3S4IE6.exe
816	eY852eYn.exe
2644	1SOr7OS5.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4512-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4512-1-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/files/0x0008000000023210-8.dat	upx
behavioral2/memory/4512-12-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/2908-13-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/2908-24-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/3772-28-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/3772-37-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4512-43-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/816-46-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/2908-54-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/816-61-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/2644-64-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\1SOr7OS5.exe	eY852eYn.exe
File opened for modification	C:\Windows\SysWOW64\1SOr7OS5.exe	eY852eYn.exe
File created	C:\Windows\SysWOW64\MW6K73g7.exe	e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\MW6K73g7.exe	e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\OV3S4IE6.exe	MW6K73g7.exe
File opened for modification	C:\Windows\SysWOW64\OV3S4IE6.exe	MW6K73g7.exe
File created	C:\Windows\SysWOW64\eY852eYn.exe	OV3S4IE6.exe
File opened for modification	C:\Windows\SysWOW64\eY852eYn.exe	OV3S4IE6.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 2908	4512	e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe	96
PID 4512 wrote to memory of 2908	4512	e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe	96
PID 4512 wrote to memory of 2908	4512	e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe	96
PID 2908 wrote to memory of 3772	2908	MW6K73g7.exe	97
PID 2908 wrote to memory of 3772	2908	MW6K73g7.exe	97
PID 2908 wrote to memory of 3772	2908	MW6K73g7.exe	97
PID 3772 wrote to memory of 816	3772	OV3S4IE6.exe	98
PID 3772 wrote to memory of 816	3772	OV3S4IE6.exe	98
PID 3772 wrote to memory of 816	3772	OV3S4IE6.exe	98
PID 816 wrote to memory of 2644	816	eY852eYn.exe	99
PID 816 wrote to memory of 2644	816	eY852eYn.exe	99
PID 816 wrote to memory of 2644	816	eY852eYn.exe	99

C:\Users\Admin\AppData\Local\Temp\e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\MW6K73g7.exe
  "C:\Windows\system32\MW6K73g7.exe" C:\Users\Admin\AppData\Local\Temp\e2abbf30e779a5f8931222f7398e2ee1_JaffaCakes118.exe -firstrun
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\OV3S4IE6.exe
    "C:\Windows\system32\OV3S4IE6.exe" C:\Windows\SysWOW64\MW6K73g7.exe -firstrun
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:3772
  - - C:\Windows\SysWOW64\eY852eYn.exe
      "C:\Windows\system32\eY852eYn.exe" C:\Windows\SysWOW64\OV3S4IE6.exe -firstrun
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Drops file in System32 directory
      Suspicious use of WriteProcessMemory
      PID:816
    - - C:\Windows\SysWOW64\1SOr7OS5.exe
        
        "C:\Windows\system32\1SOr7OS5.exe" C:\Windows\SysWOW64\eY852eYn.exe -firstrun
        5⤵
        Executes dropped EXE
        
        PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\MW6K73g7.exe

Filesize
23KB

MD5
e2abbf30e779a5f8931222f7398e2ee1

SHA1
ce71ed03848d2f908237c397fe17b539c969e6a4

SHA256
9e8f48eb767fcc815e52b001490086397079986a8389ae9d239097128546024f

SHA512
e683298bd2adbe042489116a6f01dd58491f661cb9604baab700f4f5c192e71caa6f0300552e6ce0d7a7596c336b2d28b0e26ef5e94fea0d3fcf5280c5a5a84e

Download Submit
memory/816-46-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/816-61-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-64-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2908-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2908-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2908-54-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3772-28-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3772-37-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4512-43-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4512-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4512-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4512-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

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