f1425cd71a831c0b4ad77377d0919a7a59579b88542f1793fbd3251ad27b0c5c

General

Target

fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe
Size

415KB
MD5

fd18ba08ec4efdb271129a78c5f7af50
SHA1

89a75480e463d9de61361652bde3cfd208101f5d
SHA256

f1425cd71a831c0b4ad77377d0919a7a59579b88542f1793fbd3251ad27b0c5c
SHA512

c94cf1c5773b8c4d424b66726fa2210dd00fa74768df459eee373e40b057614e83f3eff47693e2cbd0beb5eaa7161a4cafd50daa523c3774879ebc798f4094c6
SSDEEP

12288:3kWAehJuqTSadZgvzQE6Sev90DxufO1iuxk+j:3kWAAuq2aEUE6SevAwmUuxkO

Score

7^/10

bootkit persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

pic.exepic.exe

pid process

3036 pic.exe
3064 pic.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

pic.exe

description ioc process

File opened for modification \??\PhysicalDrive0 pic.exe
Suspicious use of SetThreadContext 2 IoCs

Processes:

pic.exe

description pid process target process

PID 3036 set thread context of 3064 3036 pic.exe pic.exe
PID 3036 set thread context of 0 3036 pic.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3036	pic.exe
3064	pic.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	pic.exe

description	pid	process	target process
PID 3036 set thread context of 3064	3036	pic.exe	pic.exe
PID 3036 set thread context of 0	3036	pic.exe

Modifies registry class 3 IoCs

Processes:

pic.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	pic.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	pic.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	pic.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

pic.exe

pid process

3064 pic.exe
3064 pic.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

pic.exe

pid process

3036 pic.exe

pid	process
3064	pic.exe
3064	pic.exe

pid	process
3036	pic.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exepic.exepic.exe

description	pid	process	target process
PID 2876 wrote to memory of 3036	2876	fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe	pic.exe
PID 2876 wrote to memory of 3036	2876	fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe	pic.exe
PID 2876 wrote to memory of 3036	2876	fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe	pic.exe
PID 2876 wrote to memory of 3036	2876	fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe	pic.exe
PID 2876 wrote to memory of 3036	2876	fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe	pic.exe
PID 2876 wrote to memory of 3036	2876	fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe	pic.exe
PID 2876 wrote to memory of 3036	2876	fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 3064	3036	pic.exe	pic.exe
PID 3036 wrote to memory of 0	3036	pic.exe
PID 3036 wrote to memory of 0	3036	pic.exe
PID 3036 wrote to memory of 0	3036	pic.exe
PID 3036 wrote to memory of 0	3036	pic.exe
PID 3064 wrote to memory of 1256	3064	pic.exe	Explorer.EXE
PID 3064 wrote to memory of 1256	3064	pic.exe	Explorer.EXE
PID 3064 wrote to memory of 1256	3064	pic.exe	Explorer.EXE
PID 3064 wrote to memory of 1256	3064	pic.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256

C:\Users\Admin\AppData\Local\Temp\fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd18ba08ec4efdb271129a78c5f7af50_JaffaCakes118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2876

C:\pic.exe
"C:\pic.exe"
3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3036

C:\pic.exe
"C:\\pic.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3064

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\pic.exe
Filesize
256KB

MD5
06ea03ddcd093ba05485ce95811eabe4

SHA1
0610485fa9d4a34e794aceacfe98a269f2b4449b

SHA256
ce8356e2474a416657d48e17e6e14d2dadde4c160ee00e1d044c1d29972f839f

SHA512
ea81b7af0a694f7b5db6b65577f56ef0ab643ab93195f027687ef1716314c916296587ed4dd880c369098988405e693d3dd1fdeec29fb0da714babf774f977cb

Download Submit
memory/1256-26-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/1256-30-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

Filesize
4KB

Download
memory/2876-9-0x0000000003010000-0x00000000030B3000-memory.dmp

Filesize
652KB

Download
memory/3036-11-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3036-12-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3036-13-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3036-16-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3036-18-0x0000000001E40000-0x0000000001EE3000-memory.dmp

Filesize
652KB

Download
memory/3036-22-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3064-19-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3064-25-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3064-27-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/3064-23-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3064-39-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

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