feef7c585a67e368ce1a514158d6abc280e502b0408ad8b589d83687360ff11f

Analysis

max time kernel
81s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2023 21:58

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General

Target

4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2.dll
Size

726KB
MD5

09dd5cbeaaad7dbbb55247f88d8f47ff
SHA1

fefb2c4364209dd3570d567cc65748000045d889
SHA256

4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2
SHA512

367481d9a0b3da881019f527117822532b97cddf648db4962bbd363e77d895a960d09c3da94cb115583b273c2bc812b5db196232c183d11e454edd466fe470cd
SSDEEP

12288:YGKKDADhi+Da3rIByJ13pRxd1sPHyrrKHS1sPHyrW:YGKKDADh7DKrIBg1ZRxd1EHyrrKHS1EV

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SndVol.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	SndVol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\postventralImpetuosityJunglewood = "regsvr32 /s \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\CostumicEuxineUndernatural\\postventralImpetuosityJunglewood.dll\" "	SndVol.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 2336 set thread context of 216 2336 regsvr32.exe SndVol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SndVol.exe

pid process

216 SndVol.exe
216 SndVol.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

Processes:

regsvr32.exe

pid process

2336 regsvr32.exe

description	pid	process	target process
PID 2336 set thread context of 216	2336	regsvr32.exe	SndVol.exe

pid	process
216	SndVol.exe
216	SndVol.exe

pid	process
2336	regsvr32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 4764 wrote to memory of 2336	4764	regsvr32.exe	regsvr32.exe
PID 4764 wrote to memory of 2336	4764	regsvr32.exe	regsvr32.exe
PID 4764 wrote to memory of 2336	4764	regsvr32.exe	regsvr32.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe
PID 2336 wrote to memory of 216	2336	regsvr32.exe	SndVol.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4764

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of WriteProcessMemory
PID:2336

C:\Windows\SysWOW64\SndVol.exe
"C:\Windows\SysWOW64\SndVol.exe"
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:216

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/216-133-0x0000000001040000-0x000000000104F000-memory.dmp

Filesize
60KB

Download
memory/216-137-0x0000000001040000-0x000000000104F000-memory.dmp

Filesize
60KB

Download
memory/216-140-0x0000000001040000-0x000000000104F000-memory.dmp

Filesize
60KB

Download