e07c0abf165cfcae82789fb54eff4c785737b833a6cac8b4ca9fe10c64c21236

General

Target

a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
Size

521KB
MD5

a76861e7d15a1f08b03575def242d83c
SHA1

91d3972d1e4be611f54b68cfffc49cfa876857e5
SHA256

e07c0abf165cfcae82789fb54eff4c785737b833a6cac8b4ca9fe10c64c21236
SHA512

4baff94ce1395948bc25136dec6433d7ac1046bfe911e593e67698a50c4338f42bee0d1a99ccf87eaac79e1e066d711f2412c793a98e12bf52820e7a043a35b4
SSDEEP

12288:1u437bm2VsJOYxEwi0NDAnA8Mf7GUKZYE8Sm6s:QMpVsJOXP0Bd8eGULSm6s

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
2856	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
3564	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
4660	KartSvr.exe

Loads dropped DLL 1 IoCs

pid	Process
4660	KartSvr.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\KartSvr = "C:\\Windows\\system32\\KartSvr.exe"	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\KartSvr.exe	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\karnel32.dll	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KartSvr.exe	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\karnel32.dll	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 3564	2856	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	85

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
File opened for modification	C:\Windows\zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
File created	C:\Windows\server.exe	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.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 4 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	a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KartSvr.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3564	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
3564	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
4660	KartSvr.exe
4660	KartSvr.exe
4660	KartSvr.exe
4660	KartSvr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2856	4536	a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2856	4536	a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2856	4536	a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	84
PID 2856 wrote to memory of 3564	2856	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	85
PID 2856 wrote to memory of 3564	2856	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	85
PID 2856 wrote to memory of 3564	2856	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	85
PID 2856 wrote to memory of 3564	2856	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	85
PID 2856 wrote to memory of 3564	2856	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	85
PID 3564 wrote to memory of 4660	3564	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	93
PID 3564 wrote to memory of 4660	3564	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	93
PID 3564 wrote to memory of 4660	3564	zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
  "C:\Windows\zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
    C:\Windows\zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3564
  - - C:\Windows\SysWOW64\KartSvr.exe
      "C:\Windows\system32\KartSvr.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:4660

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

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

C:\Windows\SysWOW64\KartSvr.exe

Filesize
28KB

MD5
5bc1ac9bbd0f0ebe6998a5d08ae7dd0e

SHA1
529f3c0cb3ddee046e9d26000fb45fb918cdcbad

SHA256
e5f04bd4bd1d2b65f12da600e79c08240c515623d30c5c6cf874a2155e9e664b

SHA512
477d07d9d6fc67ece9259f0cdbca9702cad9392ce699f67300facb21a1cd62272a4131c7214abdfdc2354cdf59aa2e3b3036e9a8669579f1e6091302eb1311c1

Download Submit
C:\Windows\SysWOW64\karnel32.dll

Filesize
64KB

MD5
d75e2a8cfd15d57ddbf52bf97d92e642

SHA1
6020b8dda2e2a0caf944d68d41f20caa1fb7cf38

SHA256
0d1fbfce14da04457d0e0bb64ba751f310ae972c605b6e35ce0f7bdff623080e

SHA512
a9bb7af9bda8df9298a9a0c1b6ff33569f175cbe48ffe5b97b63554c09f5a252e00f5d65a9bfc2bb1760f0729dbe39078575809e4bc6b9b1461db9c5ddf74dcd

Download Submit
C:\Windows\zerub3_a76861e7d15a1f08b03575def242d83c_JaffaCakes118.exe

Filesize
521KB

MD5
a76861e7d15a1f08b03575def242d83c

SHA1
91d3972d1e4be611f54b68cfffc49cfa876857e5

SHA256
e07c0abf165cfcae82789fb54eff4c785737b833a6cac8b4ca9fe10c64c21236

SHA512
4baff94ce1395948bc25136dec6433d7ac1046bfe911e593e67698a50c4338f42bee0d1a99ccf87eaac79e1e066d711f2412c793a98e12bf52820e7a043a35b4

Download Submit
memory/2856-10-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2856-14-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download
memory/3564-11-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3564-15-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3564-16-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3564-17-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3564-79-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3564-83-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4536-0-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/4536-9-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads