b1ed0f1ec41e1fc618ddb9487fb2352f0fa4e50135f128939d267c0565e7b65b

General

Target

cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
Size

260KB
MD5

cfda42008fbc405156cdf34a1bbb898e
SHA1

0c97879e3593938722d3e327b5dccf15c0bb379b
SHA256

b1ed0f1ec41e1fc618ddb9487fb2352f0fa4e50135f128939d267c0565e7b65b
SHA512

42d4a02861bab73f61e8b31e646afadfcfe830e560444bcdab9c3860cabb8707332dc5254ee103d05b3da6e37d2b66d95889427c2371e6d4cc023db2392fbfdf
SSDEEP

6144:ejEDyVUtKq9o8BC2N6tdTTTbfxXuzJwGhrBN+v:FmVUtKq9o8BC2N6tdTTTbfxwmGhrDy

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe,C:\\Program Files\\Common Files\\svchost.exe -s"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1696	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
1992	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 20 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\svchost.exe	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\svchost.exe	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\svchost.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Shared.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\drive.tlb	svchost.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	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1696	1992	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe	30
PID 1992 wrote to memory of 1696	1992	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe	30
PID 1992 wrote to memory of 1696	1992	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe	30
PID 1992 wrote to memory of 1696	1992	cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Program Files\Common Files\svchost.exe
  "C:\Program Files\Common Files\svchost.exe" -s
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops file in Program Files directory
  PID:1696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Program Files\Common Files\svchost.exe

Filesize
260KB

MD5
cfda42008fbc405156cdf34a1bbb898e

SHA1
0c97879e3593938722d3e327b5dccf15c0bb379b

SHA256
b1ed0f1ec41e1fc618ddb9487fb2352f0fa4e50135f128939d267c0565e7b65b

SHA512
42d4a02861bab73f61e8b31e646afadfcfe830e560444bcdab9c3860cabb8707332dc5254ee103d05b3da6e37d2b66d95889427c2371e6d4cc023db2392fbfdf

Download Submit
memory/1696-10-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1696-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1992-1-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1992-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads