689b6d855803a3d882ca2ddf6d18471283839c31ecda318dc8929cb79fc4c499

Analysis

max time kernel
130s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 10:25

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General

Target
a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
Size 5.8MB
Sample240613-mf2b6syemp
SHA256 689b6d855803a3d882ca2ddf6d18471283839c31ecda318dc8929cb79fc4c499
MD5 a5123b0bc2aae19a1d86d31b09863a6f
SHA1 0f57b1b0ae312ae058cc352b8e709776b945c1e3
SHA512 c28a48dcdb35da691b7813f34c148e0d48a6938e57a60a265fb1ea20ef9558970f31e4b851fc1e47818c01ea61096f6486731ef3e7bbb9ecdd79131b4ad53a54
SSDEEP 98304:jJdLLBuT8BQ8J8kCzg2x5AO6ly8XyJ33uy7De49SYJqFzJap:j7Lo8Bb7AwO6lyJD3AFc
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3296-0-0x0000000000F00000-0x0000000001E1C000-memory.dmp	upx
behavioral2/memory/384-16-0x0000000000F00000-0x0000000001E1C000-memory.dmp	upx
behavioral2/memory/3296-15-0x0000000000F00000-0x0000000001E1C000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 3 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3296 set thread context of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
384	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87
PID 3296 wrote to memory of 384	3296	a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3296
- C:\Users\Admin\AppData\Local\Temp\a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a5123b0bc2aae19a1d86d31b09863a6f_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/384-2-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-17-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-10-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-9-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-13-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-7-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-22-0x0000000000950000-0x0000000000951000-memory.dmp

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memory/384-5-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-21-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-3-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/384-18-0x0000000000950000-0x0000000000951000-memory.dmp

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memory/384-16-0x0000000000F00000-0x0000000001E1C000-memory.dmp

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memory/384-20-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3296-15-0x0000000000F00000-0x0000000001E1C000-memory.dmp

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memory/3296-0-0x0000000000F00000-0x0000000001E1C000-memory.dmp

Download

memory/3296-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

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