6a91a5da8f65a26d6e7ae923fe3e8875fdf24e428cd1fdb56c21a7aa6c19bfe7

General

Target

0075adcbc7243ad57daf2b001fd60515_JaffaCakes118.dll
Size

237KB
MD5

0075adcbc7243ad57daf2b001fd60515
SHA1

7d0749932d209af69f3212a314c5a206cc0744e2
SHA256

6a91a5da8f65a26d6e7ae923fe3e8875fdf24e428cd1fdb56c21a7aa6c19bfe7
SHA512

569f1f87934b2accba95a7622fb265aab8eeeceb53eb38a86c5d45e0d9000ef29a1b8109f1612bda2d454c7d6c82695b8563e683fc430af9830eaec110acd929
SSDEEP

1536:BlRusyQbYzAnwrvYV0LrKBCUTaOChqHAjzRBdhgGfir5NO6+hoqG8GWwkT:dBba9jYrCUdCPHRB7i9M9rwkT

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\rzocwdg = "{dfa2a167-572a-ac7f-683b-572a29ef0a2b}"	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2576	rundll32.exe
2576	rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\embpjqt.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\embpjqt.dll	rundll32.exe
File created	C:\Windows\SysWOW64\qynbvcf.dll	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{dfa2a167-572a-ac7f-683b-572a29ef0a2b}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{dfa2a167-572a-ac7f-683b-572a29ef0a2b}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{dfa2a167-572a-ac7f-683b-572a29ef0a2b}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{dfa2a167-572a-ac7f-683b-572a29ef0a2b}\InprocServer32\ = "C:\\Windows\\SysWow64\\mujxryb.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{dfa2a167-572a-ac7f-683b-572a29ef0a2b}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2576	2380	rundll32.exe	29
PID 2380 wrote to memory of 2576	2380	rundll32.exe	29
PID 2380 wrote to memory of 2576	2380	rundll32.exe	29
PID 2380 wrote to memory of 2576	2380	rundll32.exe	29
PID 2380 wrote to memory of 2576	2380	rundll32.exe	29
PID 2380 wrote to memory of 2576	2380	rundll32.exe	29
PID 2380 wrote to memory of 2576	2380	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0075adcbc7243ad57daf2b001fd60515_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0075adcbc7243ad57daf2b001fd60515_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:2576

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\embpjqt.dll

Filesize
625KB

MD5
95e2376b3323f062eb562b8586d0f14a

SHA1
453d4c3bf4a489433b593420a37bbffb7749875a

SHA256
bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

SHA512
b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

Download Submit
\Windows\SysWOW64\qynbvcf.dll

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/2576-1-0x0000000000271000-0x0000000000279000-memory.dmp

Filesize
32KB

Download
memory/2576-0-0x0000000000270000-0x00000000002B5000-memory.dmp

Filesize
276KB

Download
memory/2576-11-0x0000000000270000-0x00000000002B5000-memory.dmp

Filesize
276KB

Download
memory/2576-13-0x0000000000270000-0x00000000002B5000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads