0d1e82f58e97cb0c38204ef22c5631242fda8b20b8e79afaab9863d618ee4f36

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 04:49

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General

Target
9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe
Size 235KB
Sample240603-ffslpsdc54
SHA256 0d1e82f58e97cb0c38204ef22c5631242fda8b20b8e79afaab9863d618ee4f36
MD5 9094b26bbc0f453ad68300146d3571c2
SHA1 2bb9551afb27659c3417463ac6b7c58e303fe3fb
SHA512 8c1b851de09d96b7654a1a12073d90a44f4e3a9c863e656c38f017bcd10a2bc8a25a74ccb6bac0c8082f7058444aed91964937bde5c3c0ccf8efcb5061683684
SSDEEP 1536:5O43mZcI1KmjE2BCRVoy0cqcCwY7qohKv+NkdDUtAnJqUNel+PR3gi6P/7ZIM5Gi:OPwY7RU9O+pY7j5G54w5S96XsvCD1m
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	msiexec.exe

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	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\1226023065 = "C:\\PROGRA~3\\msPyh[.exe"	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Deletes itself 1 IoCs

pid	Process
4020	msiexec.exe

Blocklisted process makes network request 5 IoCs

flow	pid	Process
48	4020	msiexec.exe
49	4020	msiexec.exe
50	4020	msiexec.exe
71	4020	msiexec.exe
72	4020	msiexec.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\PROGRA~3\msPyh[.exe	msiexec.exe
File created	C:\PROGRA~3\240684078	msiexec.exe
File opened for modification	C:\PROGRA~3\msPyh[.exe	msiexec.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1836	9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe
1836	9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe
4020	msiexec.exe
4020	msiexec.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1836	9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe
1836	9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4020	msiexec.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 4020	1836	9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe	98
PID 1836 wrote to memory of 4020	1836	9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe	98
PID 1836 wrote to memory of 4020	1836	9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9094b26bbc0f453ad68300146d3571c2_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\system32\msiexec.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Adds policy Run key to start application
  - Deletes itself
  - Blocklisted process makes network request
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4020

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1836-1-0x0000000000520000-0x0000000000521000-memory.dmp

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memory/1836-0-0x00000000034B0000-0x0000000003510000-memory.dmp

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memory/1836-2-0x0000000000520000-0x0000000000521000-memory.dmp

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memory/1836-3-0x00000000034B0000-0x0000000003510000-memory.dmp

Download

memory/1836-4-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/4020-5-0x0000000000360000-0x0000000000372000-memory.dmp

Download

memory/4020-8-0x0000000000360000-0x0000000000372000-memory.dmp

Download

memory/4020-6-0x0000000000360000-0x0000000000372000-memory.dmp

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