7c8d258b32a7c6e61f7a3f6dab50c3f612247d225847cfc568e13bd973859d3a

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 02:35

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General

Target
a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
Size 3.8MB
Sample240613-c3asmavenm
SHA256 7c8d258b32a7c6e61f7a3f6dab50c3f612247d225847cfc568e13bd973859d3a
MD5 a38c27d7c5f12d94be013c4dcb37eefb
SHA1 8ca58554550b799d0b89a7fb8f0ad059cf05250c
SHA512 c74f8f9d92ee5467c487e57b62cdfb0fc65899ee5692ae997744248a58f3d41b52a309d409c01c95057cdb874696cbfe543494c83a67573d3cb4ebf96a7bfed7
SSDEEP 98304:uZuarCtWyX0p+tUFHtrXCDHGkSn8b+vPdS:uZHrzyG+2aDHGkS8Cg
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/2256-0-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral2/memory/3028-15-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral2/memory/2256-16-0x0000000000F00000-0x00000000019F4000-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	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86

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
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
3028	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86
PID 2256 wrote to memory of 3028	2256	a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a38c27d7c5f12d94be013c4dcb37eefb_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3028

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/2256-0-0x0000000000F00000-0x00000000019F4000-memory.dmp

Download

memory/2256-1-0x0000000000A10000-0x0000000000A11000-memory.dmp

Download

memory/2256-16-0x0000000000F00000-0x00000000019F4000-memory.dmp

Download

memory/3028-18-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-5-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-7-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-15-0x0000000000F00000-0x00000000019F4000-memory.dmp

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memory/3028-19-0x0000000002E40000-0x0000000002E41000-memory.dmp

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memory/3028-10-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-17-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-9-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-3-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-2-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-13-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-21-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-22-0x0000000000400000-0x00000000007AF000-memory.dmp

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memory/3028-23-0x0000000002E40000-0x0000000002E41000-memory.dmp

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memory/3028-24-0x0000000000400000-0x00000000007AF000-memory.dmp

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