b0a852437dcb0b72a33bfa847fa3cfc08cdddd3d05c93f1c3360bf94e5efe57d

Analysis

max time kernel
146s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 08:06

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General

Target

043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe
Size

773KB
MD5

043b3a71217d081dbe9136afafb2f589
SHA1

85d53f414da1c32c33b1230475d360515b4e1584
SHA256

b0a852437dcb0b72a33bfa847fa3cfc08cdddd3d05c93f1c3360bf94e5efe57d
SHA512

665095a3468251385ac1a7ee61e3cf1ef4ad2eca9db55e0a7fb4ad43316c52c1ba4bc1f4d8a7cf9a60004040e8e6fe54a3b1723aa59de8d9e6c07e7631e9de00
SSDEEP

12288:zg+RTynC3XpsTUT2ksyNn1HNi6MhDQs4sBImUCVFD8e7w+8Me0svc0:zggTynYXpsTOMyLtiPksBrViN+8Mqvc0

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3692	cmdno.exe
3492	smsss.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\relinson = "c:\\windows\\system32\\cmdno.exe"	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\cmdno.exe	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\cmdno.exe	cmdno.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\smsss.exe	cmdno.exe
File opened for modification	C:\Windows\smsss.exe	cmdno.exe
File created	C:\Windows\uninstal.BAT	cmdno.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe
Token: SeDebugPrivilege	3692	cmdno.exe
Token: SeDebugPrivilege	3492	smsss.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3492	smsss.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 3692	2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe	86
PID 2016 wrote to memory of 3692	2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe	86
PID 2016 wrote to memory of 3692	2016	043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe	86
PID 3492 wrote to memory of 3584	3492	smsss.exe	88
PID 3492 wrote to memory of 3584	3492	smsss.exe	88
PID 3692 wrote to memory of 3104	3692	cmdno.exe	89
PID 3692 wrote to memory of 3104	3692	cmdno.exe	89
PID 3692 wrote to memory of 3104	3692	cmdno.exe	89

C:\Users\Admin\AppData\Local\Temp\043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\043b3a71217d081dbe9136afafb2f589_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016
- \??\c:\windows\SysWOW64\cmdno.exe
  c:\windows\SYSTEM32\cmdno.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3692
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.BAT
    3⤵
    PID:3104

C:\Windows\smsss.exe
C:\Windows\smsss.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3492
- C:\WINDOWS\explorer.exe
  C:\WINDOWS\explorer.exe
  2⤵
  PID:3584

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\cmdno.exe

Filesize
743KB

MD5
1389f75d15cb5d83487b9b956a6243bb

SHA1
20c3514b400c984dfe4668ff1adfeb8ba67850e1

SHA256
c1791bdb67d0801c65a1fd18de60a36f1231438736543b5cfb4a5fec83c50e07

SHA512
3d22195734de72d0f078b404cd63096e8bd90f7657aeeacfa3272a7c43c812abaa5297a174a546ac3b55054095006d9349ec9daa95b9f99ffbeba3fceaa6e0ec

Download Submit
C:\Windows\uninstal.BAT

Filesize
108B

MD5
3b49ee81fabcf4f719073ecfa772ce04

SHA1
69a608129dfc1bba8c9c44e031b13731231df133

SHA256
99bd75ec1925cffad10e2054309fe67ba0bc8145d1ec3da43ac21d729301d732

SHA512
300a0e5148311b353f75833df1107f1f77ab3e77cf5bcc3e6975b177ad1dd30b9304c002909499a24344c8364436bfb1506c0efb2740eb783390a0563bee0b08

Download Submit
memory/3492-11-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/3492-16-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3492-17-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3492-18-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/3692-8-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/3692-14-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads