003fd8ad5378d0ad46a956412d226768e54424492548754a12a271c8d0882933

Analysis

max time kernel
137s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 14:53

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General

Target

771443f447689ff3cd7a648b15eb24c3.exe
Size

199KB
MD5

771443f447689ff3cd7a648b15eb24c3
SHA1

1df1b6ca539261abfda07a5005821f1158dc62fe
SHA256

003fd8ad5378d0ad46a956412d226768e54424492548754a12a271c8d0882933
SHA512

fd4d94d54da0ab5225da91b0a86aff9d03655e7b0ad07ac7577f874deb9093f62ac291e85c09f27a3106901ccfeef84e4d9e3013f4519609dcb9ccdcb8a83a1e
SSDEEP

3072:t0qBn6/HBq3qAdGhS4k5p5pU4T4B+jca8Wz/9DMFIW925pOLA/hmqVvTVLC4HTkv:t9+Bq3qnop535+Wzmw5pSqpheLweV

Score

8^/10

evasion persistence spyware stealer

Malware Config

Signatures

Disables taskbar notifications via registry modification
evasion

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
1720	jjd.exe

Loads dropped DLL 2 IoCs

pid	Process
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe

Modifies system executable filetype association 2 TTPs 17 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon\ = "%1"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\ = "Application"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\jjd.exe\" -a \"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas	jjd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\WINDOWS\\system32\\ctfmon.exe"	jjd.exe

Modifies registry class 41 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\DefaultIcon\ = "%1"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start\command\ = "\"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\jjd.exe\" -a \"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open\command	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas	jjd.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start\command	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon\ = "%1"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\Content Type = "application/x-msdownload"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\DefaultIcon	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas	jjd.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\jjd.exe\" -a \"%1\" %*"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas\command	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\ = "Application"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	jjd.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	jjd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\ = "exefile"	jjd.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
2976	771443f447689ff3cd7a648b15eb24c3.exe
1720	jjd.exe
1720	jjd.exe
1720	jjd.exe
1720	jjd.exe
1720	jjd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2684	explorer.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe
Token: SeShutdownPrivilege	2684	explorer.exe

Suspicious use of FindShellTrayWindow 33 IoCs

pid	Process
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
1720	jjd.exe
1720	jjd.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe

Suspicious use of SendNotifyMessage 19 IoCs

pid	Process
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
2684	explorer.exe
1720	jjd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 1720	2976	771443f447689ff3cd7a648b15eb24c3.exe	28
PID 2976 wrote to memory of 1720	2976	771443f447689ff3cd7a648b15eb24c3.exe	28
PID 2976 wrote to memory of 1720	2976	771443f447689ff3cd7a648b15eb24c3.exe	28
PID 2976 wrote to memory of 1720	2976	771443f447689ff3cd7a648b15eb24c3.exe	28

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\771443f447689ff3cd7a648b15eb24c3.exe
"C:\Users\Admin\AppData\Local\Temp\771443f447689ff3cd7a648b15eb24c3.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\jjd.exe
  "C:\Users\Admin\AppData\Local\jjd.exe" -gav C:\Users\Admin\AppData\Local\Temp\771443f447689ff3cd7a648b15eb24c3.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1720

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2684

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

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\jjd.exe

Filesize
199KB

MD5
771443f447689ff3cd7a648b15eb24c3

SHA1
1df1b6ca539261abfda07a5005821f1158dc62fe

SHA256
003fd8ad5378d0ad46a956412d226768e54424492548754a12a271c8d0882933

SHA512
fd4d94d54da0ab5225da91b0a86aff9d03655e7b0ad07ac7577f874deb9093f62ac291e85c09f27a3106901ccfeef84e4d9e3013f4519609dcb9ccdcb8a83a1e

Download Submit
memory/1720-27-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1720-30-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-59-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-56-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-54-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-52-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-50-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-48-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-46-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-18-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/1720-44-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-22-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1720-23-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-39-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-26-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-37-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-35-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1720-33-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/1720-28-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1720-32-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2684-57-0x0000000002B50000-0x0000000002B60000-memory.dmp

Filesize
64KB

Download
memory/2684-24-0x00000000043B0000-0x00000000043B1000-memory.dmp

Filesize
4KB

Download
memory/2684-31-0x00000000043B0000-0x00000000043B1000-memory.dmp

Filesize
4KB

Download
memory/2976-3-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2976-0-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2976-19-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2976-7-0x0000000002190000-0x0000000002447000-memory.dmp

Filesize
2.7MB

Download
memory/2976-17-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2976-6-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2976-5-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2976-4-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2976-1-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2976-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download