776ec7b6cd8dfbba6db9c8b5b5b335bf74347035cc551d817ed3cea5e99fcfc8

General

Target

3841ae05e72509df379a38bcddca92ad_JaffaCakes118.dll
Size

131KB
MD5

3841ae05e72509df379a38bcddca92ad
SHA1

1f6ba8b01b783281ded10ce7a5155461f804bb40
SHA256

776ec7b6cd8dfbba6db9c8b5b5b335bf74347035cc551d817ed3cea5e99fcfc8
SHA512

8b20b0be1d23f2ebd6648a8bbf9efbe2dbed1fa1066f736d3f170d859e2d0f5d3f8c2ae17e3191e6fd9422cde39973bf23dee63e0d88421887f0d0e9511cdaa7
SSDEEP

3072:8RFNj5XxoyHAcoKCLhYJIDn95+3qqYNe43wQPpQHOL5PFn0wcccccccc:8vLgcoKCLh9mMezQPpQH0PFn0wcccccI

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	1916	rundll32.exe
3	2748	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
2748	rundll32.exe
2748	rundll32.exe
2748	rundll32.exe
2748	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\{81270038-AA73-4A0D-AF8B-59A0D40865AA} = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\{81270038-AA73-4A0D-AF8B-59A0D40865AA}\\67e7.dll\",DllGetClassObject secret 22815"	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
1916	rundll32.exe
2748	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1916	2120	rundll32.exe	31
PID 2120 wrote to memory of 1916	2120	rundll32.exe	31
PID 2120 wrote to memory of 1916	2120	rundll32.exe	31
PID 2120 wrote to memory of 1916	2120	rundll32.exe	31
PID 2120 wrote to memory of 1916	2120	rundll32.exe	31
PID 2120 wrote to memory of 1916	2120	rundll32.exe	31
PID 2120 wrote to memory of 1916	2120	rundll32.exe	31
PID 1916 wrote to memory of 2748	1916	rundll32.exe	32
PID 1916 wrote to memory of 2748	1916	rundll32.exe	32
PID 1916 wrote to memory of 2748	1916	rundll32.exe	32
PID 1916 wrote to memory of 2748	1916	rundll32.exe	32
PID 1916 wrote to memory of 2748	1916	rundll32.exe	32
PID 1916 wrote to memory of 2748	1916	rundll32.exe	32
PID 1916 wrote to memory of 2748	1916	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3841ae05e72509df379a38bcddca92ad_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3841ae05e72509df379a38bcddca92ad_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:1916
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\{81270038-AA73-4A0D-AF8B-59A0D40865AA}\67e7.dll",DllGetClassObject secret 22815
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2748

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\{81270038-AA73-4A0D-AF8B-59A0D40865AA}\67e7.dll

Filesize
131KB

MD5
3841ae05e72509df379a38bcddca92ad

SHA1
1f6ba8b01b783281ded10ce7a5155461f804bb40

SHA256
776ec7b6cd8dfbba6db9c8b5b5b335bf74347035cc551d817ed3cea5e99fcfc8

SHA512
8b20b0be1d23f2ebd6648a8bbf9efbe2dbed1fa1066f736d3f170d859e2d0f5d3f8c2ae17e3191e6fd9422cde39973bf23dee63e0d88421887f0d0e9511cdaa7

Download Submit
memory/1916-0-0x0000000074730000-0x000000007475C000-memory.dmp

Filesize
176KB

Download
memory/1916-2-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/1916-3-0x0000000074730000-0x000000007475C000-memory.dmp

Filesize
176KB

Download
memory/1916-13-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/1916-14-0x0000000074730000-0x000000007475C000-memory.dmp

Filesize
176KB

Download
memory/2748-11-0x0000000073870000-0x000000007389C000-memory.dmp

Filesize
176KB

Download
memory/2748-15-0x0000000073870000-0x000000007389C000-memory.dmp

Filesize
176KB

Download
memory/2748-19-0x0000000073870000-0x000000007389C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads