9dbaa30f9fbccd0821c136557992a8dfa6e1c92af89aa637807f18db7a7e7f78

General

Target

4219085.exe
Size

793KB
MD5

0dacbb28cef175c1e01560fe18e3ee70
SHA1

61b84862a70a43ef54ffe00b8c15cb192e9d79a8
SHA256

9dbaa30f9fbccd0821c136557992a8dfa6e1c92af89aa637807f18db7a7e7f78
SHA512

38abff21af4afd5939da8f7332169d665b47a57e0fd7357716d1ea942868e260878f51312ff22c216f071c5d5cdcb92ab80e6acc7c2df77e98300c62c4df29db

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

4219085.exe

description pid process target process

PID 1560 set thread context of 876 1560 4219085.exe 4219085.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

984 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4219085.exe4219085.exe

pid process

1560 4219085.exe
1560 4219085.exe
1560 4219085.exe
1560 4219085.exe
876 4219085.exe
876 4219085.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4219085.exe4219085.exe

description pid process

Token: SeDebugPrivilege 1560 4219085.exe
Token: SeDebugPrivilege 876 4219085.exe

description	pid	process	target process
PID 1560 set thread context of 876	1560	4219085.exe	4219085.exe

pid	process
984	schtasks.exe

pid	process
1560	4219085.exe
1560	4219085.exe
1560	4219085.exe
1560	4219085.exe
876	4219085.exe
876	4219085.exe

description	pid	process
Token: SeDebugPrivilege	1560	4219085.exe
Token: SeDebugPrivilege	876	4219085.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

4219085.exe

description	pid	process	target process
PID 1560 wrote to memory of 1392	1560	4219085.exe	powershell.exe
PID 1560 wrote to memory of 1392	1560	4219085.exe	powershell.exe
PID 1560 wrote to memory of 1392	1560	4219085.exe	powershell.exe
PID 1560 wrote to memory of 1392	1560	4219085.exe	powershell.exe
PID 1560 wrote to memory of 984	1560	4219085.exe	schtasks.exe
PID 1560 wrote to memory of 984	1560	4219085.exe	schtasks.exe
PID 1560 wrote to memory of 984	1560	4219085.exe	schtasks.exe
PID 1560 wrote to memory of 984	1560	4219085.exe	schtasks.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe
PID 1560 wrote to memory of 876	1560	4219085.exe	4219085.exe

C:\Users\Admin\AppData\Local\Temp\4219085.exe
"C:\Users\Admin\AppData\Local\Temp\4219085.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YuvPkgD.exe"
2⤵
PID:1392

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YuvPkgD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp92ED.tmp"
2⤵
- Creates scheduled task(s)
PID:984

C:\Users\Admin\AppData\Local\Temp\4219085.exe
"C:\Users\Admin\AppData\Local\Temp\4219085.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:876

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp92ED.tmp
MD5
1f8c51406027f9175924ea05e964361c

SHA1
e68fedca51b9759b6ff408199a432eb88e7baa9d

SHA256
c9a1cf0c8eaaa18527b34dcb67b910253302915144558f3bc1e1800c9f273bde

SHA512
a6988068130b86a53338d277bac995119a91ca0146d65566350b2c1e3d77252f9a8a9ee8821cf38c6389d3f0f900244b4d42660d9decf08ba37cbadca5b6bd06

Download Submit
memory/876-76-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/876-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/876-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/876-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/876-75-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/876-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/876-74-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/876-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/876-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1392-79-0x000000006F690000-0x000000006FC3B000-memory.dmp

Filesize
5.7MB

Download
memory/1392-59-0x0000000076361000-0x0000000076363000-memory.dmp

Filesize
8KB

Download
memory/1392-77-0x000000006F690000-0x000000006FC3B000-memory.dmp

Filesize
5.7MB

Download
memory/1392-78-0x0000000002260000-0x0000000002EAA000-memory.dmp

Filesize
12.3MB

Download
memory/1560-56-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/1560-57-0x00000000005D0000-0x00000000005EA000-memory.dmp

Filesize
104KB

Download
memory/1560-61-0x0000000005240000-0x000000000527A000-memory.dmp

Filesize
232KB

Download
memory/1560-55-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/1560-54-0x0000000000BC0000-0x0000000000C8C000-memory.dmp

Filesize
816KB

Download
memory/1560-58-0x0000000005180000-0x000000000523A000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads