3af259a408a9125799299da641bf453571e1c8e1c07948fb222cd8987514211a

General

Target

de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
Size

468KB
MD5

de3887dc05ec99f98ac67ccf91d98f95
SHA1

dd766453f4731d0354affc6bc336e67c7eab6652
SHA256

3af259a408a9125799299da641bf453571e1c8e1c07948fb222cd8987514211a
SHA512

b04e9d52b86aeac5c4a0b2425c8e7b3f072c4afb87e6d4515d32f0ef89505df30f344ece03392bcb13eec98abe5bb445d664d701ad454e6d975d2849b0addd64
SSDEEP

12288:KsAcUOa2iLPZwq8GUZOpGrclON+N/yBdNldy3:YcUOELhS2Yg08qldy

Score

8^/10

discovery evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5116	mxcdFgjAEjErI.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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mxcdFgjAEjErI.exe = "C:\\ProgramData\\mxcdFgjAEjErI.exe"	de3887dc05ec99f98ac67ccf91d98f95_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 2 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	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mxcdFgjAEjErI.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Download	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe
5116	mxcdFgjAEjErI.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 5116	928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe	85
PID 928 wrote to memory of 5116	928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe	85
PID 928 wrote to memory of 5116	928	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe	85
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56
PID 5116 wrote to memory of 3576	5116	mxcdFgjAEjErI.exe	56

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3576
- C:\Users\Admin\AppData\Local\Temp\de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\de3887dc05ec99f98ac67ccf91d98f95_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:928
- - C:\ProgramData\mxcdFgjAEjErI.exe
    "C:\ProgramData\mxcdFgjAEjErI.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5116

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

3

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:\ProgramData\hiTkisDpFCLPG.dll

Filesize
428KB

MD5
ad523fa28c83b1c2ceb949256387466d

SHA1
cabb439e52cb9cd74d27eabb601dc40aea013323

SHA256
57f64251bf5428f698ff69c995c3d31fd64f67924acdfd22741bd91bb7dd2872

SHA512
692c5b3cd0648e6887ca9f34c3756be08f51e05705c27c1f13871eb6701c84642677bfc40c256f3b5d7c9b25b789e27cce2ecc5463c25e4ea504cad94e192e05

Download Submit
C:\ProgramData\mxcdFgjAEjErI.exe

Filesize
468KB

MD5
de3887dc05ec99f98ac67ccf91d98f95

SHA1
dd766453f4731d0354affc6bc336e67c7eab6652

SHA256
3af259a408a9125799299da641bf453571e1c8e1c07948fb222cd8987514211a

SHA512
b04e9d52b86aeac5c4a0b2425c8e7b3f072c4afb87e6d4515d32f0ef89505df30f344ece03392bcb13eec98abe5bb445d664d701ad454e6d975d2849b0addd64

Download Submit
memory/928-0-0x0000000000770000-0x00000000007E0000-memory.dmp

Filesize
448KB

Download
memory/928-1-0x0000000014000000-0x0000000014077000-memory.dmp

Filesize
476KB

Download
memory/928-17-0x0000000014000000-0x0000000014077000-memory.dmp

Filesize
476KB

Download
memory/928-16-0x0000000014000000-0x0000000014165000-memory.dmp

Filesize
1.4MB

Download
memory/5116-14-0x0000000014000000-0x0000000014165000-memory.dmp

Filesize
1.4MB

Download
memory/5116-15-0x0000000014000000-0x0000000014165000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads