0481fdf58dd0b10d791d1c9e0813c66907dc07f5ce0257508bad7e2bd36d8273

General

Target

432d550faf4b1d7e70e728cd7d5a9300_JaffaCakes118.dll
Size

129KB
MD5

432d550faf4b1d7e70e728cd7d5a9300
SHA1

5eb6b15d5908ef1b0e9d99cf8153abba710a99e1
SHA256

0481fdf58dd0b10d791d1c9e0813c66907dc07f5ce0257508bad7e2bd36d8273
SHA512

44f2d2d99daca02b5d6e74580fed863fa1a7e5019c502273ca9568757cc72e87ac911ace8df0707fcee3d4cc44397fdb6f74ff86bbcad9ca0a91a1586a56872e
SSDEEP

3072:2sgJKSs1RmJsduTgkafc+FCncd/jP0QeTbl0LbKKpLLgxYR3OL5PFn0wcccccccc:8gRz6+v+r0qK1+k30PFn0wcccccccc

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	2888	rundll32.exe
3	2736	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\{17CF15A9-B54F-471C-AA90-7351D52CB00A} = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\{17CF15A9-B54F-471C-AA90-7351D52CB00A}\\7026.dll\",DllGetClassObject secret 23563"	rundll32.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	rundll32.exe
2736	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2888	2240	rundll32.exe	29
PID 2240 wrote to memory of 2888	2240	rundll32.exe	29
PID 2240 wrote to memory of 2888	2240	rundll32.exe	29
PID 2240 wrote to memory of 2888	2240	rundll32.exe	29
PID 2240 wrote to memory of 2888	2240	rundll32.exe	29
PID 2240 wrote to memory of 2888	2240	rundll32.exe	29
PID 2240 wrote to memory of 2888	2240	rundll32.exe	29
PID 2888 wrote to memory of 2736	2888	rundll32.exe	30
PID 2888 wrote to memory of 2736	2888	rundll32.exe	30
PID 2888 wrote to memory of 2736	2888	rundll32.exe	30
PID 2888 wrote to memory of 2736	2888	rundll32.exe	30
PID 2888 wrote to memory of 2736	2888	rundll32.exe	30
PID 2888 wrote to memory of 2736	2888	rundll32.exe	30
PID 2888 wrote to memory of 2736	2888	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\432d550faf4b1d7e70e728cd7d5a9300_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\432d550faf4b1d7e70e728cd7d5a9300_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\{17CF15A9-B54F-471C-AA90-7351D52CB00A}\7026.dll",DllGetClassObject secret 23563
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\{17CF15A9-B54F-471C-AA90-7351D52CB00A}\7026.dll

Filesize
129KB

MD5
432d550faf4b1d7e70e728cd7d5a9300

SHA1
5eb6b15d5908ef1b0e9d99cf8153abba710a99e1

SHA256
0481fdf58dd0b10d791d1c9e0813c66907dc07f5ce0257508bad7e2bd36d8273

SHA512
44f2d2d99daca02b5d6e74580fed863fa1a7e5019c502273ca9568757cc72e87ac911ace8df0707fcee3d4cc44397fdb6f74ff86bbcad9ca0a91a1586a56872e

Download Submit
memory/2736-14-0x0000000001CC0000-0x0000000001DC0000-memory.dmp

Filesize
1024KB

Download
memory/2736-12-0x0000000073750000-0x000000007377B000-memory.dmp

Filesize
172KB

Download
memory/2736-16-0x0000000073750000-0x000000007377B000-memory.dmp

Filesize
172KB

Download
memory/2736-20-0x0000000073750000-0x000000007377B000-memory.dmp

Filesize
172KB

Download
memory/2888-0-0x0000000074600000-0x000000007462B000-memory.dmp

Filesize
172KB

Download
memory/2888-2-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

Filesize
1024KB

Download
memory/2888-3-0x0000000074600000-0x000000007462B000-memory.dmp

Filesize
172KB

Download
memory/2888-11-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

Filesize
1024KB

Download
memory/2888-15-0x0000000074600000-0x000000007462B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads