e049ed1bf126a0be45a302f4f467c03cca874b3a6b780b5137cff472caf4c47c

General

Target

25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe
Size

479KB
MD5

25ba07e2a9b4aa13fd3907f25b01502c
SHA1

79b08bf783e2c08204cd635fc5d8cfefdca56d8a
SHA256

e049ed1bf126a0be45a302f4f467c03cca874b3a6b780b5137cff472caf4c47c
SHA512

fe2aafe3367cbc373fc6a27fdff59d01544ad2745354126dd7df0066f389deec2bb12b35f498498580966d53cc4cba72871ddfbed4e12ba2c9c700e8744d21d1
SSDEEP

12288:xEy3Xj2iiSEukL/WgkZhMyq7x3ZVOYbZnapZoS37:xEyHjbvE7efO17xpVRbpap

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1220	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2160	wuinyqgyi.exe

Loads dropped DLL 2 IoCs

pid	Process
1220	cmd.exe
2160	wuinyqgyi.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2220-0-0x0000000001000000-0x00000000010CE000-memory.dmp	upx
behavioral1/files/0x0009000000012119-9.dat	upx
behavioral1/memory/1220-11-0x0000000002250000-0x000000000231E000-memory.dmp	upx
behavioral1/memory/2160-13-0x0000000001000000-0x00000000010CE000-memory.dmp	upx

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 5 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	25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuinyqgyi.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1220	cmd.exe
2928	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
2852	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2928	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1220	2220	25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe	30
PID 2220 wrote to memory of 1220	2220	25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe	30
PID 2220 wrote to memory of 1220	2220	25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe	30
PID 2220 wrote to memory of 1220	2220	25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe	30
PID 1220 wrote to memory of 2852	1220	cmd.exe	32
PID 1220 wrote to memory of 2852	1220	cmd.exe	32
PID 1220 wrote to memory of 2852	1220	cmd.exe	32
PID 1220 wrote to memory of 2852	1220	cmd.exe	32
PID 1220 wrote to memory of 2928	1220	cmd.exe	34
PID 1220 wrote to memory of 2928	1220	cmd.exe	34
PID 1220 wrote to memory of 2928	1220	cmd.exe	34
PID 1220 wrote to memory of 2928	1220	cmd.exe	34
PID 1220 wrote to memory of 2160	1220	cmd.exe	35
PID 1220 wrote to memory of 2160	1220	cmd.exe	35
PID 1220 wrote to memory of 2160	1220	cmd.exe	35
PID 1220 wrote to memory of 2160	1220	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2220 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\25ba07e2a9b4aa13fd3907f25b01502c_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\WUINYQ~1.EXE -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2220
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2852
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2928
- - C:\Users\Admin\AppData\Local\wuinyqgyi.exe
    C:\Users\Admin\AppData\Local\WUINYQ~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\wuinyqgyi.exe

Filesize
479KB

MD5
25ba07e2a9b4aa13fd3907f25b01502c

SHA1
79b08bf783e2c08204cd635fc5d8cfefdca56d8a

SHA256
e049ed1bf126a0be45a302f4f467c03cca874b3a6b780b5137cff472caf4c47c

SHA512
fe2aafe3367cbc373fc6a27fdff59d01544ad2745354126dd7df0066f389deec2bb12b35f498498580966d53cc4cba72871ddfbed4e12ba2c9c700e8744d21d1

Download Submit
memory/1220-11-0x0000000002250000-0x000000000231E000-memory.dmp

Filesize
824KB

Download
memory/2160-18-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2160-14-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2160-15-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2160-16-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2160-13-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2220-4-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2220-8-0x0000000001000000-0x00000000010A0000-memory.dmp

Filesize
640KB

Download
memory/2220-7-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2220-3-0x0000000001000000-0x00000000010A0000-memory.dmp

Filesize
640KB

Download
memory/2220-0-0x0000000001000000-0x00000000010CE000-memory.dmp

Filesize
824KB

Download
memory/2220-2-0x0000000000250000-0x0000000000297000-memory.dmp

Filesize
284KB

Download
memory/2220-1-0x0000000000C10000-0x0000000000C9D000-memory.dmp

Filesize
564KB

Download

Analysis

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