c260a326d46f02990fb9f2fbfe78e6b96f8cdac75f7795f6f240c69110f7f928

Analysis

max time kernel
144s
max time network
147s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
14/10/2022, 09:39

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General

Target

c260a326d46f02990fb9f2fbfe78e6b96f8cdac75f7795f6f240c69110f7f928.dll
Size

300KB
MD5

738105281dfdc47b1dd52811d5e4bf20
SHA1

6b25855a5224c38ddc8724fd29d2dcda66f7d023
SHA256

c260a326d46f02990fb9f2fbfe78e6b96f8cdac75f7795f6f240c69110f7f928
SHA512

7d53441e8c0671c43c402679de9382f2594bedec01cc480928ccf5b6ffb0463ac6d68a894ff2cf87095539da5c02030a1ea9ceeb477962038f476d0c882217e4
SSDEEP

6144:I5qZZe2oEKFY78KqvGFUYeRjk16dzlKpgcvOQtcDfa1a7RW5vZr:I5YZ5o/FYwjYeRjkLBvzcjUKRm

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
2	800	rundll32.exe
3	800	rundll32.exe
5	800	rundll32.exe
7	800	rundll32.exe
8	800	rundll32.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\system\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c260a326d46f02990fb9f2fbfe78e6b96f8cdac75f7795f6f240c69110f7f928.dll"	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1460	rundll32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1460	1504	rundll32.exe	26
PID 1504 wrote to memory of 1460	1504	rundll32.exe	26
PID 1504 wrote to memory of 1460	1504	rundll32.exe	26
PID 1504 wrote to memory of 1460	1504	rundll32.exe	26
PID 1504 wrote to memory of 1460	1504	rundll32.exe	26
PID 1504 wrote to memory of 1460	1504	rundll32.exe	26
PID 1504 wrote to memory of 1460	1504	rundll32.exe	26
PID 968 wrote to memory of 800	968	svchost.exe	28
PID 968 wrote to memory of 800	968	svchost.exe	28
PID 968 wrote to memory of 800	968	svchost.exe	28
PID 968 wrote to memory of 800	968	svchost.exe	28
PID 968 wrote to memory of 800	968	svchost.exe	28
PID 968 wrote to memory of 800	968	svchost.exe	28
PID 968 wrote to memory of 800	968	svchost.exe	28
PID 1460 wrote to memory of 1568	1460	rundll32.exe	29
PID 1460 wrote to memory of 1568	1460	rundll32.exe	29
PID 1460 wrote to memory of 1568	1460	rundll32.exe	29
PID 1460 wrote to memory of 1568	1460	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c260a326d46f02990fb9f2fbfe78e6b96f8cdac75f7795f6f240c69110f7f928.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c260a326d46f02990fb9f2fbfe78e6b96f8cdac75f7795f6f240c69110f7f928.dll,#1
  2⤵
  - Sets DLL path for service in the registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul
    3⤵
    PID:1568

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "system"
1⤵
- Suspicious use of WriteProcessMemory
PID:968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe c:\users\admin\appdata\local\temp\c260a326d46f02990fb9f2fbfe78e6b96f8cdac75f7795f6f240c69110f7f928.dll, Launch
  2⤵
  - Blocklisted process makes network request
  PID:800

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/800-77-0x0000000074ED0000-0x0000000075007000-memory.dmp

Filesize
1.2MB

Download
memory/800-78-0x0000000074ED0000-0x0000000075007000-memory.dmp

Filesize
1.2MB

Download
memory/968-63-0x0000000074ED0000-0x0000000075007000-memory.dmp

Filesize
1.2MB

Download
memory/968-76-0x0000000074ED0000-0x0000000075007000-memory.dmp

Filesize
1.2MB

Download
memory/1460-55-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1460-56-0x0000000074ED0000-0x0000000075007000-memory.dmp

Filesize
1.2MB

Download
memory/1460-60-0x0000000075010000-0x0000000075147000-memory.dmp

Filesize
1.2MB

Download