bf65c8e2290aee1cd322f28edf25e804f9626636f0a3263281f172383b97b656

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 04:33

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General

Target
74561ab8272480ac06696738092ce507_JaffaCakes118.exe
Size 93KB
Sample240526-e6stqafg97
SHA256 bf65c8e2290aee1cd322f28edf25e804f9626636f0a3263281f172383b97b656
MD5 74561ab8272480ac06696738092ce507
SHA1 5182c427adf49862dcb6d2444df487c9f1bb21da
SHA512 07a710a0be9869f2759bf3bcd25a0d981f9503604dd0629cad43114da0942de6fc16da34330e41d7f1c88d43565c70b66c5c4095908392b370abe266b5be7c62
SSDEEP 768:tY3zGJhWXxyFcxovUKUJuROprXtgNzeYhYbmXxrjEtCdnl2pi1Rz4Rk3ysGdpvgM:IG3WhIUKcuOJQPhBjEwzGi1dDuDvgS
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

evasion

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
184	netsh.exe
2184	netsh.exe
2400	netsh.exe

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	74561ab8272480ac06696738092ce507_JaffaCakes118.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\73137daa68006467b187b2f414df684dWindows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\73137daa68006467b187b2f414df684dWindows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2260	server.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service

T1102

flow	ioc
29	0.tcp.ngrok.io
52	0.tcp.ngrok.io
65	0.tcp.ngrok.io
67	0.tcp.ngrok.io
96	0.tcp.ngrok.io
16	0.tcp.ngrok.io

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2260	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe
Token: 33	2260	server.exe
Token: SeIncBasePriorityPrivilege	2260	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2260	1848	74561ab8272480ac06696738092ce507_JaffaCakes118.exe	86
PID 1848 wrote to memory of 2260	1848	74561ab8272480ac06696738092ce507_JaffaCakes118.exe	86
PID 1848 wrote to memory of 2260	1848	74561ab8272480ac06696738092ce507_JaffaCakes118.exe	86
PID 2260 wrote to memory of 184	2260	server.exe	87
PID 2260 wrote to memory of 184	2260	server.exe	87
PID 2260 wrote to memory of 184	2260	server.exe	87
PID 2260 wrote to memory of 2184	2260	server.exe	89
PID 2260 wrote to memory of 2184	2260	server.exe	89
PID 2260 wrote to memory of 2184	2260	server.exe	89
PID 2260 wrote to memory of 2400	2260	server.exe	90
PID 2260 wrote to memory of 2400	2260	server.exe	90
PID 2260 wrote to memory of 2400	2260	server.exe	90

C:\Users\Admin\AppData\Local\Temp\74561ab8272480ac06696738092ce507_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\74561ab8272480ac06696738092ce507_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2260
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:184
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Modifies Windows Firewall
    PID:2184
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

server.exe

Path C:\Users\Admin\AppData\Local\Temp\server.exe
Size 93KB
SHA256 bf65c8e2290aee1cd322f28edf25e804f9626636f0a3263281f172383b97b656
MD5 74561ab8272480ac06696738092ce507
SHA1 5182c427adf49862dcb6d2444df487c9f1bb21da
SHA512 07a710a0be9869f2759bf3bcd25a0d981f9503604dd0629cad43114da0942de6fc16da34330e41d7f1c88d43565c70b66c5c4095908392b370abe266b5be7c62
SSDEEP 768:tY3zGJhWXxyFcxovUKUJuROprXtgNzeYhYbmXxrjEtCdnl2pi1Rz4Rk3ysGdpvgM:IG3WhIUKcuOJQPhBjEwzGi1dDuDvgS
MD5 SHA1 SHA512 SSDEEP

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app

Path C:\Users\Admin\AppData\Roaming\app
Size 5B
SHA256 538b830838cbf62e6ce267b48e2eb165030686e5b6317f0b1e9205a3e08c73b8
MD5 5014379cf5fa31db8a73d68d6353a145
SHA1 2a1a5138e8c9e7547caae1c9fb223afbf714ed00
SHA512 5091a16ef7730449601a70b5ef5512a93c98c76beb8cfee1adc9d39780c49b1d712e764720b04e44e18c7b08633c5d453793462c18dc6bef14d82bf69892e18f
MD5 SHA1 SHA512

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memory/1848-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

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memory/1848-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

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memory/1848-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp

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memory/1848-13-0x0000000074CF0000-0x00000000752A1000-memory.dmp

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memory/2260-14-0x0000000074CF0000-0x00000000752A1000-memory.dmp

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memory/2260-15-0x0000000074CF0000-0x00000000752A1000-memory.dmp

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memory/2260-16-0x0000000074CF0000-0x00000000752A1000-memory.dmp

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memory/2260-24-0x0000000074CF0000-0x00000000752A1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads