1fa31d2ca9a5ef34449ca5696cccdbc5cc445204edd2d55756355f89cbffccb0

Analysis

max time kernel
145s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 10:19

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General

Target
00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe
Size 198KB
Sample240930-mcp5qszbrj
SHA256 1fa31d2ca9a5ef34449ca5696cccdbc5cc445204edd2d55756355f89cbffccb0
MD5 00d3b52833b30a79c9a01813d7d75e20
SHA1 854335ebcc42c16f3a5090d2233b6fd575f3fe8c
SHA512 d167dc626262c9a70438ef0a333dac901a9fae5a385c61a4074c40b19de031f3561e070a1900c0fc5abb4caeba9a5892fc4c89a23848cd5cfc058fd93694aae4
SSDEEP 3072:y1l25DjIbBFtEsNtzqR+stML/6wTwwr3JCF/veijcTP3qx7lzjII:ZIbBws/OyLC0w4JCVveiH7JI
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
212	kyqyaa.exe

Loads dropped DLL 1 IoCs

pid	Process
212	kyqyaa.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 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	00d3b52833b30a79c9a01813d7d75e20_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	kyqyaa.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
3760	cmd.exe
4400	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
3980	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4400	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
212	kyqyaa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3980	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
212	kyqyaa.exe
212	kyqyaa.exe
212	kyqyaa.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
212	kyqyaa.exe
212	kyqyaa.exe
212	kyqyaa.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 3760	4476	00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe	82
PID 4476 wrote to memory of 3760	4476	00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe	82
PID 4476 wrote to memory of 3760	4476	00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe	82
PID 3760 wrote to memory of 3980	3760	cmd.exe	84
PID 3760 wrote to memory of 3980	3760	cmd.exe	84
PID 3760 wrote to memory of 3980	3760	cmd.exe	84
PID 3760 wrote to memory of 4400	3760	cmd.exe	86
PID 3760 wrote to memory of 4400	3760	cmd.exe	86
PID 3760 wrote to memory of 4400	3760	cmd.exe	86
PID 3760 wrote to memory of 212	3760	cmd.exe	87
PID 3760 wrote to memory of 212	3760	cmd.exe	87
PID 3760 wrote to memory of 212	3760	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4476 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\00d3b52833b30a79c9a01813d7d75e20_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\kyqyaa.exe -f
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3760
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4476
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3980
- - 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:4400
- - C:\Users\Admin\AppData\Local\kyqyaa.exe
    C:\Users\Admin\AppData\Local\kyqyaa.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

kyqyaa.exe

Path C:\Users\Admin\AppData\Local\kyqyaa.exe
Size 198KB
SHA256 1fa31d2ca9a5ef34449ca5696cccdbc5cc445204edd2d55756355f89cbffccb0
MD5 00d3b52833b30a79c9a01813d7d75e20
SHA1 854335ebcc42c16f3a5090d2233b6fd575f3fe8c
SHA512 d167dc626262c9a70438ef0a333dac901a9fae5a385c61a4074c40b19de031f3561e070a1900c0fc5abb4caeba9a5892fc4c89a23848cd5cfc058fd93694aae4
SSDEEP 3072:y1l25DjIbBFtEsNtzqR+stML/6wTwwr3JCF/veijcTP3qx7lzjII:ZIbBws/OyLC0w4JCVveiH7JI
MD5 SHA1 SHA512 SSDEEP

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memory/212-14-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-17-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-32-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-30-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-9-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-10-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-11-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-28-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-26-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-19-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-15-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-21-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/212-23-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/4476-1-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/4476-0-0x0000000002C10000-0x0000000002C11000-memory.dmp

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memory/4476-2-0x0000000001000000-0x00000000010CC000-memory.dmp

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memory/4476-5-0x0000000001000000-0x00000000010CC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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