855ecf079f142b6fc862d26cee86ddba38b84725baa183431e4413926f735c46

General

Target

4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
Size

6.5MB
MD5

4d623e056e6690f588cb8f169c56c798
SHA1

c31b20c717df51bce18a687af8a4bfc817bbc410
SHA256

855ecf079f142b6fc862d26cee86ddba38b84725baa183431e4413926f735c46
SHA512

4f59f7cb4d29f496df8bf361e98ad359c5e6c1431939e9d194cdef1bb2b9fdc18e54d02aa1da82aeeac15e9edd375cdeccd46a2f8f3f3ab51dd58aeba1cbb6ce
SSDEEP

98304:9sXwR09x+0KuK9oiRqhLJP794jkCxkaN5w3rQS6u0LhAJy8zMZ:9Uw6+0hKarV5ejnW75YyJy8zMZ

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/628-0-0x0000000000F00000-0x000000000207A000-memory.dmp	upx
behavioral2/memory/628-14-0x0000000000F00000-0x000000000207A000-memory.dmp	upx
behavioral2/memory/3856-16-0x0000000000F00000-0x000000000207A000-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	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93

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
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
3856	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93
PID 628 wrote to memory of 3856	628	4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4d623e056e6690f588cb8f169c56c798_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/628-0-0x0000000000F00000-0x000000000207A000-memory.dmp

Filesize
17.5MB

Download
memory/628-1-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/628-14-0x0000000000F00000-0x000000000207A000-memory.dmp

Filesize
17.5MB

Download
memory/3856-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-10-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-2-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-16-0x0000000000F00000-0x000000000207A000-memory.dmp

Filesize
17.5MB

Download
memory/3856-17-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-18-0x0000000003A00000-0x0000000003A01000-memory.dmp

Filesize
4KB

Download
memory/3856-20-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/3856-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download

Analysis

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