b983ae4301273ef2c7b5117e884574a14e43ec6f3bd0ab9df29040a4f2fad634

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 19:14

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General

Target

9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe
Size

982KB
MD5

9460ddd0e629806364bcaba850e9415c
SHA1

bf3eadc3f354f90c1ce10facf83dee1eaff3681c
SHA256

b983ae4301273ef2c7b5117e884574a14e43ec6f3bd0ab9df29040a4f2fad634
SHA512

cb7a4af073ae63489f9f6507838c498236f42312a3c9c19b68c03bc5d753574a05eea61724fb2579364cbb530ad0640a83dd20e9cfa5de9066d165c5a58b6867
SSDEEP

12288:0SjzwRzH1RighUFZzHtC9FDY8c8H+Lm/yjxeiSOHTApwn2fTrNsef1JOXa0ii:teVRrhMxY9FDY8cLa/OerzTrNtS4

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\Shell = "C:\\Windows\\csrss.exe"	csrss.exe

Executes dropped EXE 1 IoCs

pid	Process
2104	csrss.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\winlogs.dll	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe
File opened for modification	C:\Windows\winlogs.dll	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe
File created	C:\Windows\csrss.exe	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe
File opened for modification	C:\Windows\csrss.exe	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe
File opened for modification	C:\Windows\winlogs.dll	csrss.exe
File opened for modification	C:\Windows\csrss.exe	csrss.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	2104	csrss.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2104	csrss.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2104	2068	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe	30
PID 2068 wrote to memory of 2104	2068	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe	30
PID 2068 wrote to memory of 2104	2068	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe	30
PID 2068 wrote to memory of 2104	2068	9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9460ddd0e629806364bcaba850e9415c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\csrss.exe
  "C:\Windows\csrss.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\csrss.exe

Filesize
982KB

MD5
9460ddd0e629806364bcaba850e9415c

SHA1
bf3eadc3f354f90c1ce10facf83dee1eaff3681c

SHA256
b983ae4301273ef2c7b5117e884574a14e43ec6f3bd0ab9df29040a4f2fad634

SHA512
cb7a4af073ae63489f9f6507838c498236f42312a3c9c19b68c03bc5d753574a05eea61724fb2579364cbb530ad0640a83dd20e9cfa5de9066d165c5a58b6867

Download Submit
memory/2068-13-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2068-20-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2104-21-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2104-27-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2104-29-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads