1a212857d3edcfe44cfdf0ac50db27a1fb325721f7fd9aa9a1e8fcc8b4bda64c

Analysis

max time kernel
130s
max time network
128s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-02-2024 00:13

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General

Target

$PLUGINSDIR/tray.dll
Size

240KB
MD5

291a03fbcf1c25465db4df6c521c0f80
SHA1

e0574c76ee26c7e84984102b64cb34dc560050fe
SHA256

d812f09c14a7bd744035bbf40dca7e0f436e076d2fa0b76dd71d2d4705b11fc9
SHA512

4feb511fa88c7468b5e95421ddaf11e501ce9b58d2f9707b13c03623787127338f6aac3a7c25e0f18ac5ea3af6e22ba9d26dcc23de1a84e762567557e86bd526
SSDEEP

3072:svZsLKn/ALro9RpEbSFyieOJt0w2ZoAkmBp7QAcVpG7twfInUDCuAg0FuD0hwbLi:sviKnBXAc0xeHaGAcVg5uAOrhwHuHkR

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	1456	WerFault.exe	28

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify\IconStreams = 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53003000320032003000300052007d005c005a0068007900790069006e00710020004900430041005c005a0068007900790069006e00710020004900430041002e0072006b00720000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030000000000000002000000e80702005a0068007900790069006e00710020004900430041000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff00000000000000000000000000000000000000000000000000000000a0997f465b64da010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1456	rundll32.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe
Token: SeShutdownPrivilege	2216	explorer.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe

Suspicious use of SendNotifyMessage 23 IoCs

pid	Process
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe
2216	explorer.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1456	2208	rundll32.exe	28
PID 2208 wrote to memory of 1456	2208	rundll32.exe	28
PID 2208 wrote to memory of 1456	2208	rundll32.exe	28
PID 2208 wrote to memory of 1456	2208	rundll32.exe	28
PID 2208 wrote to memory of 1456	2208	rundll32.exe	28
PID 2208 wrote to memory of 1456	2208	rundll32.exe	28
PID 2208 wrote to memory of 1456	2208	rundll32.exe	28
PID 1456 wrote to memory of 2100	1456	rundll32.exe	30
PID 1456 wrote to memory of 2100	1456	rundll32.exe	30
PID 1456 wrote to memory of 2100	1456	rundll32.exe	30
PID 1456 wrote to memory of 2100	1456	rundll32.exe	30

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:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\tray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\tray.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Modifies Installed Components in the registry
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 324
    3⤵
    - Program crash
    PID:2100

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2216-0-0x00000000045B0000-0x00000000045B1000-memory.dmp

Filesize
4KB

Download
memory/2216-1-0x00000000045B0000-0x00000000045B1000-memory.dmp

Filesize
4KB

Download
memory/2216-5-0x0000000002710000-0x0000000002720000-memory.dmp

Filesize
64KB

Download