d952dc065716357b00c2fab1bac6537b5814dbcdd508aed9688bb424ed21b937

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 14:18

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General

Target

f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe
Size

36KB
MD5

f82d86707d29309a77ecb8e7e6c0da35
SHA1

50596083ebcd4d2f4f5da300adebc953a6c8744f
SHA256

d952dc065716357b00c2fab1bac6537b5814dbcdd508aed9688bb424ed21b937
SHA512

70f27e592ff6e210f748ee8634cbce68ead9f7ae048c28c17d3ea6c01384fccb08bade8bf05b35525dd66b9ed438906a3500c5bdd258452ee9bb8d390e0e429b
SSDEEP

768:T8NN+qLSTN5RW6/UdAA1TeIYx3ckJrE16zrnZPw6v9JmJ5V8sLG:AzHSTLA68y8CIU31M6HZ3a8SG

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\system = "C:\\Windows\\csrss.exe"	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2208	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\csrss.exe	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe
File opened for modification	C:\Windows\ie-hook.txt	csrss.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe
Token: SeDebugPrivilege	2208	csrss.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2208	2972	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe	28
PID 2972 wrote to memory of 2208	2972	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe	28
PID 2972 wrote to memory of 2208	2972	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe	28
PID 2972 wrote to memory of 2208	2972	f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f82d86707d29309a77ecb8e7e6c0da35_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\csrss.exe
  "C:\Windows\csrss.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\csrss.exe

Filesize
36KB

MD5
f82d86707d29309a77ecb8e7e6c0da35

SHA1
50596083ebcd4d2f4f5da300adebc953a6c8744f

SHA256
d952dc065716357b00c2fab1bac6537b5814dbcdd508aed9688bb424ed21b937

SHA512
70f27e592ff6e210f748ee8634cbce68ead9f7ae048c28c17d3ea6c01384fccb08bade8bf05b35525dd66b9ed438906a3500c5bdd258452ee9bb8d390e0e429b

Download Submit
memory/2208-16-0x0000000013140000-0x0000000013190000-memory.dmp

Filesize
320KB

Download
memory/2972-9-0x0000000013140000-0x0000000013190000-memory.dmp

Filesize
320KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads