89df0c3f4f4703f60f225a6841d41871a7cea02b01100892671d38681a2778d5

Analysis

max time kernel
42s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 05:56

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General

Target

89df0c3f4f4703f60f225a6841d41871a7cea02b01100892671d38681a2778d5.dll
Size

8KB
MD5

d2c149d7ca6f1c560dc88440524b94da
SHA1

29a06ad0600e7a9f90f6123467ad7a832832b5bc
SHA256

89df0c3f4f4703f60f225a6841d41871a7cea02b01100892671d38681a2778d5
SHA512

6a6b3261b750982c4e0a4428a516c99a5c5e8fdb73fb096c867ece576c82935de5d6a9e64b09b851c30c83947dcf379e5b157782411f7cd2f550293c00d73400
SSDEEP

192:UZLDnzNEbAgPklwgFUSAhKIernsnsQ1NXfaXK77OcK:UZHzNEILiSAhK+n/PyL

Score

8^/10

persistence upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\klan.sys	rundll32.exe

Sets file execution options in registry 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\Debugger = "ntsd -d"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\agentsvr.exe\Debugger = "ntsd -d"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360rpt.exe	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360hotfix.exe\Debugger = "ntsd -d"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360rpt.exe\Debugger = "ntsd -d"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360safe.exe	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360safe.exe\Debugger = "ntsd -d"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360safebox.exe	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360safebox.exe\Debugger = "ntsd -d"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360hotfix.exe	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\agentsvr.exe	rundll32.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1612-57-0x0000000074C50000-0x0000000074C5A000-memory.dmp	upx

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 1612	1552	rundll32.exe	26
PID 1552 wrote to memory of 1612	1552	rundll32.exe	26
PID 1552 wrote to memory of 1612	1552	rundll32.exe	26
PID 1552 wrote to memory of 1612	1552	rundll32.exe	26
PID 1552 wrote to memory of 1612	1552	rundll32.exe	26
PID 1552 wrote to memory of 1612	1552	rundll32.exe	26
PID 1552 wrote to memory of 1612	1552	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89df0c3f4f4703f60f225a6841d41871a7cea02b01100892671d38681a2778d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89df0c3f4f4703f60f225a6841d41871a7cea02b01100892671d38681a2778d5.dll,#1
  2⤵
  - Drops file in Drivers directory
  - Sets file execution options in registry
  PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1612-54-0x0000000000000000-mapping.dmp

Download
memory/1612-55-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

Download
memory/1612-56-0x0000000074C60000-0x0000000074C6A000-memory.dmp

Filesize
40KB

Download
memory/1612-57-0x0000000074C50000-0x0000000074C5A000-memory.dmp

Filesize
40KB

Download
memory/1612-58-0x0000000074C60000-0x0000000074C64000-memory.dmp

Filesize
16KB

Download