2a11da22e08b480d6253135552311cbf11388029501b389a738778cd14feef17

General

Target

6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe
Size

42KB
MD5

6f581251b077985dc8d9e5a293fe6624
SHA1

bfb2b157cfedef2bc78a8d0f0d6cc7a3236999ff
SHA256

2a11da22e08b480d6253135552311cbf11388029501b389a738778cd14feef17
SHA512

c699feb88138c9110367296cbb27933102d91b308d4c374e3680cc8d7fcc9973a07d08b0ce9092569c1202ac473e8aa83c1b5da469b224e14c640442e28c72e3
SSDEEP

768:2BKnK9R2tLDbuRoIrRNYbB9FNabpRgV3xlRhgbw0T5TVGfV6xzCH3cKkAGOsXdR1:2BNeLH8PrPYbTXa8Jxrh4vT5T0fjH3qD

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 8 IoCs

pid	Process
2520	rundll32.exe
2520	rundll32.exe
2520	rundll32.exe
2520	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2456	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\Fvupovo = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\NESDSexi.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2520	rundll32.exe
2520	rundll32.exe
2520	rundll32.exe
2520	rundll32.exe
2520	rundll32.exe
2520	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2520	3012	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2520	3012	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2520	3012	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2520	3012	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2520	3012	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2520	3012	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2520	3012	6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe	29
PID 2520 wrote to memory of 2456	2520	rundll32.exe	30
PID 2520 wrote to memory of 2456	2520	rundll32.exe	30
PID 2520 wrote to memory of 2456	2520	rundll32.exe	30
PID 2520 wrote to memory of 2456	2520	rundll32.exe	30
PID 2520 wrote to memory of 2456	2520	rundll32.exe	30
PID 2520 wrote to memory of 2456	2520	rundll32.exe	30
PID 2520 wrote to memory of 2456	2520	rundll32.exe	30

C:\Users\Admin\AppData\Local\Temp\6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6f581251b077985dc8d9e5a293fe6624_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 "C:\Users\Admin\AppData\Local\NESDSexi.dll",Startup
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\NESDSexi.dll",iep
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2456

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

C:\Users\Admin\AppData\Local\NESDSexi.dll

Filesize
42KB

MD5
604b005a3e92b2b12940d4e296041727

SHA1
38cbfd301b8117bbbe8ccb36284451cf21782723

SHA256
33856827a6869b76e80851ec1ab52c036dfa7d0788e1ab99c0abf08abc002b4c

SHA512
86a448d4c1de3352b17f7a534904c30d5410634517201d3f3cc093718053ee7d38e41c2e0afc2408613415f358b33238172247b712f87f40ac72882f8aa6e107

Download Submit
memory/2456-22-0x0000000000370000-0x00000000003B0000-memory.dmp

Filesize
256KB

Download
memory/2456-28-0x0000000000370000-0x00000000003B0000-memory.dmp

Filesize
256KB

Download
memory/2456-25-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2456-21-0x0000000000370000-0x00000000003B0000-memory.dmp

Filesize
256KB

Download
memory/2520-13-0x0000000000780000-0x00000000007C0000-memory.dmp

Filesize
256KB

Download
memory/2520-12-0x0000000000780000-0x00000000007C0000-memory.dmp

Filesize
256KB

Download
memory/2520-14-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2520-11-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2520-24-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2520-29-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/3012-3-0x0000000001BB0000-0x0000000001BF0000-memory.dmp

Filesize
256KB

Download
memory/3012-5-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/3012-0-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/3012-2-0x0000000001BB0000-0x0000000001BF0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads