4777b209ee883640e1b054cf16ccae108e73be25c486c9f95ce526c34d558e33

General

Target

b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe
Size

116KB
MD5

b6b63bfdeb1eee1d064154740bb4537b
SHA1

697b051358c1bb13c6148bba465bf5730d863d3d
SHA256

4777b209ee883640e1b054cf16ccae108e73be25c486c9f95ce526c34d558e33
SHA512

e83d30d5df1a7e2ef7cd8e8c4c0d7b3c0cd1f9f9c4d0321ee6bd2f0db98cc61195294231b699de00447672835e302cf8aead6905846e23ccbe70a4c4eb9a7fb2
SSDEEP

3072:ri0vfvw6W8fqVcAPGeAzxXlK9L7Ul9LwC3eXlozpI:rtXlWpOC7QF6aN

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 8 IoCs

pid	Process
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
2668	rundll32.exe
2668	rundll32.exe
2668	rundll32.exe
2668	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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kyeju = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\icronsa.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 1904	1428	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe	30
PID 1428 wrote to memory of 1904	1428	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe	30
PID 1428 wrote to memory of 1904	1428	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe	30
PID 1428 wrote to memory of 1904	1428	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe	30
PID 1428 wrote to memory of 1904	1428	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe	30
PID 1428 wrote to memory of 1904	1428	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe	30
PID 1428 wrote to memory of 1904	1428	b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe	30
PID 1904 wrote to memory of 2668	1904	rundll32.exe	32
PID 1904 wrote to memory of 2668	1904	rundll32.exe	32
PID 1904 wrote to memory of 2668	1904	rundll32.exe	32
PID 1904 wrote to memory of 2668	1904	rundll32.exe	32
PID 1904 wrote to memory of 2668	1904	rundll32.exe	32
PID 1904 wrote to memory of 2668	1904	rundll32.exe	32
PID 1904 wrote to memory of 2668	1904	rundll32.exe	32

C:\Users\Admin\AppData\Local\Temp\b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b6b63bfdeb1eee1d064154740bb4537b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\icronsa.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:1904
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\icronsa.dll",iep
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2668

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\icronsa.dll

Filesize
116KB

MD5
98447652fc4ac547254da221ead0cb4d

SHA1
ec287547f50529026f7a5ad3a348cf4f72057609

SHA256
8217a7450522629305a8ce6a142c4ac4e786e178d3166506338dbf5d11b63467

SHA512
711ef4c7a74354886812546c80dacfb8f452fc296d1fbc0d8a60eab4025a6a6fe606db66f8fde066f94c1be595f043a37ab82fa65bda29f7a7cc37729673ce8f

Download Submit
memory/1428-13-0x00000000022A0000-0x00000000022E0000-memory.dmp

Filesize
256KB

Download
memory/1428-4-0x00000000022A0000-0x00000000022E0000-memory.dmp

Filesize
256KB

Download
memory/1428-3-0x00000000022A0000-0x00000000022E0000-memory.dmp

Filesize
256KB

Download
memory/1428-0-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1428-14-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1904-12-0x0000000000950000-0x0000000000990000-memory.dmp

Filesize
256KB

Download
memory/1904-10-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1904-11-0x0000000000950000-0x0000000000990000-memory.dmp

Filesize
256KB

Download
memory/1904-15-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1904-23-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1904-29-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/2668-24-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2668-26-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2668-27-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2668-28-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2668-30-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads