dce6a961bd95deed8475dd38957be5abdc81bc1ddd5ab868dda83fafc45e645a

General

Target

81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe
Size

14KB
MD5

81ca4fa155911c1b4f95956ed30436a9
SHA1

b0733b904242fe5b203a6b2eb05f2bb5487bac0b
SHA256

dce6a961bd95deed8475dd38957be5abdc81bc1ddd5ab868dda83fafc45e645a
SHA512

2bc9fc0ae14161841a1ace042a05a35e04018c8eddbc42190c855eb00425c5a119a20360e1284a15d5fd22e2d361043e2c196eff327e2a6f4459c0e02c13bfbe
SSDEEP

192:Avqnd6LuKQJqYD6pn9G8WIx1JkGhIr4oa4E9/bxSF/cIlk+tP16My21xDMNC61Sa:ACdXrJ7D6ZkIx1Jkd4xlf+qO1hFlJ

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3728-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3728-2-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3728-6-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\blolou.txt	cmd.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 9 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	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 3452	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	84
PID 3728 wrote to memory of 3452	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	84
PID 3728 wrote to memory of 3452	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	84
PID 3452 wrote to memory of 1468	3452	cmd.exe	85
PID 3452 wrote to memory of 1468	3452	cmd.exe	85
PID 3452 wrote to memory of 1468	3452	cmd.exe	85
PID 3728 wrote to memory of 3768	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	92
PID 3728 wrote to memory of 3768	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	92
PID 3728 wrote to memory of 3768	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	92
PID 3768 wrote to memory of 3388	3768	cmd.exe	93
PID 3768 wrote to memory of 3388	3768	cmd.exe	93
PID 3768 wrote to memory of 3388	3768	cmd.exe	93
PID 3728 wrote to memory of 5004	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	94
PID 3728 wrote to memory of 5004	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	94
PID 3728 wrote to memory of 5004	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	94
PID 5004 wrote to memory of 4656	5004	cmd.exe	95
PID 5004 wrote to memory of 4656	5004	cmd.exe	95
PID 5004 wrote to memory of 4656	5004	cmd.exe	95
PID 3728 wrote to memory of 4732	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	96
PID 3728 wrote to memory of 4732	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	96
PID 3728 wrote to memory of 4732	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	96
PID 3728 wrote to memory of 2804	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	97
PID 3728 wrote to memory of 2804	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	97
PID 3728 wrote to memory of 2804	3728	81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81ca4fa155911c1b4f95956ed30436a9_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c echo system > C:\Windows\System32\blolou.txt
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3452
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c echo system
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1468
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c ren C:\Windows\System32\temp1 msnmsgs.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3768
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ren C:\Windows\System32\temp1 msnmsgs.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3388
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c ren C:\Windows\System32\temp2 winn32t.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ren C:\Windows\System32\temp2 winn32t.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4656
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start C:\Windows\System32\msnmsgs.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4732
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start C:\Windows\System32\winn32t.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/3728-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3728-2-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3728-6-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

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