11ad426afa608c63ca0dee8066da34b50a6e144b308310f85466e175124b2ba1

Reason

Machine shutdown

General

Target

e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe
Size

502KB
MD5

e8a6928cc95b1eebf6161c49c9e2e176
SHA1

800adb67aee6bf97f90acbb9b87650a2f71c7750
SHA256

11ad426afa608c63ca0dee8066da34b50a6e144b308310f85466e175124b2ba1
SHA512

2d774dcc29223ebe566d8cac5d5c153699baced7825c3e9dbf5f1716ec0cc832d9935bad79b70de45c5ecf79e49327556b40c4983952edb2cee89e631885d51e
SSDEEP

12288:cY6K+nHlocnuZdKDADRz/I+qktYfbO5PecAEVy:cY67FTAZ/I+1SIPC1

Score

7^/10

bootkit discovery persistence upx

Malware Config

Signatures

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe

Executes dropped EXE 6 IoCs

pid	Process
1524	exrev.exe
1740	3IC.exe
2744	2e4U - Bucks 8-31-2011.exe
4980	5tbp.exe
2004	R2R.exe
4024	2e4U - Bucks 8-31-2011.exe

Loads dropped DLL 1 IoCs

pid	Process
4992	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ewivumoyesi = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\usPI2x.dll\",Startup"	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\physicaldrive0	3IC.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 4024	2744	2e4U - Bucks 8-31-2011.exe	90

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4024-68-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/4024-72-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/4024-71-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/4024-70-0x0000000000400000-0x000000000040A000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3192	2004	WerFault.exe	87
1768	4024	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 7 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	3IC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e4U - Bucks 8-31-2011.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5tbp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R2R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	exrev.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1740	3IC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4980	5tbp.exe
4992	rundll32.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1524	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	83
PID 2440 wrote to memory of 1524	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	83
PID 2440 wrote to memory of 1524	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	83
PID 2440 wrote to memory of 1740	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	84
PID 2440 wrote to memory of 1740	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	84
PID 2440 wrote to memory of 1740	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	84
PID 2440 wrote to memory of 2744	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	85
PID 2440 wrote to memory of 2744	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	85
PID 2440 wrote to memory of 2744	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	85
PID 2440 wrote to memory of 4980	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	86
PID 2440 wrote to memory of 4980	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	86
PID 2440 wrote to memory of 4980	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	86
PID 2440 wrote to memory of 2004	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	87
PID 2440 wrote to memory of 2004	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	87
PID 2440 wrote to memory of 2004	2440	e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe	87
PID 4980 wrote to memory of 4992	4980	5tbp.exe	88
PID 4980 wrote to memory of 4992	4980	5tbp.exe	88
PID 4980 wrote to memory of 4992	4980	5tbp.exe	88
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90
PID 2744 wrote to memory of 4024	2744	2e4U - Bucks 8-31-2011.exe	90

C:\Users\Admin\AppData\Local\Temp\e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\exrev.exe
  "C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\exrev.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1524
- C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\3IC.exe
  "C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\3IC.exe"
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1740
- C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\2e4U - Bucks 8-31-2011.exe
  "C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\2e4U - Bucks 8-31-2011.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\2e4U - Bucks 8-31-2011.exe
    "C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\2e4U - Bucks 8-31-2011.exe"
    3⤵
    - Executes dropped EXE
    PID:4024
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 1264
      4⤵
      Program crash
      PID:1768
- C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\5tbp.exe
  "C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\5tbp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\usPI2x.dll",Startup
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4992
- C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\R2R.exe
  "C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\R2R.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 476
    3⤵
    - Program crash
    PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2004 -ip 2004
1⤵
PID:3504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3192 -ip 3192
1⤵
PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4024 -ip 4024
1⤵
PID:4916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\2e4U - Bucks 8-31-2011.exe

Filesize
95KB

MD5
40a8954e5d5796aef2e6e00d96c12ee0

SHA1
f703035eec111ffb31ea347f3010c35652bec612

SHA256
f21fdfba45f7f88a0f76a2f58ccf951788b175e6947744d62046fe17152ba160

SHA512
888a6db559dc74ca01f82c93508779592943393607047935bb95fdca86cba27cabc5dafeeec57a391404a4d0dd64b88f09a0dccfe38eaefe5d0f84612eff2445

Download Submit
C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\3IC.exe

Filesize
176KB

MD5
b8dae6d25e02fae027af50bf12ebdbc5

SHA1
ccadf1f03e0cc42d5e1b56a42acac4930e67a66e

SHA256
9c264948107f6c071863d474ba708d4c8c01bff5700c299297c907ef23603e9a

SHA512
6ccb5c6aaa01bfcad41a737cef58011f2c81254cb227378cef256f094dfe5a2ccd03f9b1c2f3de5a2843ccf5b48fa85262fe37a3401c00d1cd449767e3996319

Download Submit
C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\5tbp.exe

Filesize
112KB

MD5
194d4c2d02b5d6b9f7abb1ae2046961d

SHA1
0b29aa45e172a464e58a41adeac89aaf51ae5ddb

SHA256
891c8009a5262b66cc16eda84ddaec277439a3f5b19a3a5b7929d7d99c56ea6e

SHA512
fb8fb96924e3f1f33db058d527ddb96629a2cc16a242b5612a80cd0e2e091721548d697be8990385824cc68165235b8ed9e50da10c08a498f1109d53980a0e7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\R2R.exe

Filesize
176KB

MD5
cae92bd538de928b79576026db643d59

SHA1
37e498541f3ca8870665b17e2879312fd1dacbb7

SHA256
87ccad3fcb043c49f5f819d6795bfa45be355fa9071164c90d8b3ffcd9dcbc2b

SHA512
24a1dde86c10591acd77dbd7898fe59116a5bfcbe659026408acf0c6ebacd88409f9ca3bb25d66174936939465c2b39404ac461e8b18472f93e747aaedb3dfde

Download Submit
C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\exrev.exe

Filesize
3KB

MD5
46e07fd3a40760fda18cf6b4fc691742

SHA1
53ee1a754bf5e94fa88a6ab8bb6120b4011afcfa

SHA256
bd7ca609d2fb63e14d08acab1091579c23e298b4fa2ac1e8d2daaff94fc107be

SHA512
ce13f6527cbd13002dca00b71ab38ab12e3f3f7138ada0780ad3f40e7c49946c018a00782ec957b1fd123fb439aabc0d9b3660829dabf10ddcebba08d6e2fbbd

Download Submit
C:\Users\Admin\AppData\Local\usPI2x.dll

Filesize
112KB

MD5
c0923a876b414697fb571deb89fc60b6

SHA1
288c250cbc941a7833493f88848bb8ec98ce9fc0

SHA256
b2c4e3291cca2bbb3dd9dc80c6ac398474e569d06c198158e37d793950791ecf

SHA512
02384d6573a2a18e4281901143021b41ce8cd6b9dd5c592b4539eefc883f66b5596915ea80cf15b1cde97d3795e605c38bb3f092cc69e0e6f7a336ec2a675031

Download Submit
memory/1740-23-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1740-41-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1740-40-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4024-68-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4024-72-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4024-71-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4024-70-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4980-67-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4980-62-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/4980-61-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/4980-58-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4992-66-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads