133b9e3867c9a6e2c25fcb60d7aebad6d7317a495802fe2208b3d69913eeef99

General

Target

b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
Size

4.7MB
MD5

b77f4d8c9f9373d3906455a79464553c
SHA1

cac7b30c99fe5665883f1938defddd85834c07a6
SHA256

133b9e3867c9a6e2c25fcb60d7aebad6d7317a495802fe2208b3d69913eeef99
SHA512

2cffc178dbbc1e3fc94ca8c45eb932e790a55f900056a6d7942ceded762f85ee395ae4613eb651eb03f3d9356113f8ae19e129eb7112d750fda6639bd4de7fd7
SSDEEP

98304:Tl88udp4A2evUNGnVuUwGLVWy0/OQmjmUah6rpHDp:yzDiNyiXfGDv3

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
behavioral1/memory/2360-0-0x0000000000F00000-0x0000000001CED000-memory.dmp	upx
behavioral1/memory/2360-28-0x0000000000F00000-0x0000000001CED000-memory.dmp	upx
behavioral1/memory/1996-29-0x0000000000F00000-0x0000000001CED000-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	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1996	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
1996	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
1996	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
1996	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
1996	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
1996	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28
PID 2360 wrote to memory of 1996	2360	b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b77f4d8c9f9373d3906455a79464553c_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1996-25-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-36-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-50-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-12-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-15-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-18-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1996-38-0x0000000000EF0000-0x0000000000F00000-memory.dmp

Filesize
64KB

Download
memory/1996-37-0x0000000004810000-0x00000000055FD000-memory.dmp

Filesize
13.9MB

Download
memory/1996-26-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-30-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1996-29-0x0000000000F00000-0x0000000001CED000-memory.dmp

Filesize
13.9MB

Download
memory/1996-31-0x0000000004810000-0x00000000055FD000-memory.dmp

Filesize
13.9MB

Download
memory/1996-32-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1996-34-0x0000000000EF0000-0x0000000000F00000-memory.dmp

Filesize
64KB

Download
memory/1996-35-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2360-0-0x0000000000F00000-0x0000000001CED000-memory.dmp

Filesize
13.9MB

Download
memory/2360-28-0x0000000000F00000-0x0000000001CED000-memory.dmp

Filesize
13.9MB

Download
memory/2360-1-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2360-2-0x00000000042C0000-0x00000000050AD000-memory.dmp

Filesize
13.9MB

Download

Analysis

Sharing