2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44

General

Target

2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
Size

118KB
MD5

2954556d223bdc9f70fa117b2607ad08
SHA1

40f5a8bdd061f90fa48fc715b53922398ccf6f02
SHA256

2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44
SHA512

af0c81d007989ba5eed2270917b3a4c93804958840f21cf2297787869e02739201e2891b8058badd78cc1a0898fd965bf94b4667fc60937f2d45a2a4021d5b2c

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

rLXhj.execvtres.exe

pid process

1416 rLXhj.exe
3268 cvtres.exe

pid	process
1416	rLXhj.exe
3268	cvtres.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cvtres.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cvtres.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Center = "C:\\Windows\\smss.exe"	cvtres.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rLXhj.exe

description pid process target process

PID 1416 set thread context of 3268 1416 rLXhj.exe cvtres.exe

description	pid	process	target process
PID 1416 set thread context of 3268	1416	rLXhj.exe	cvtres.exe

Drops file in Windows directory 5 IoCs

Processes:

cvtres.exe2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe

description	ioc	process
File created	C:\Windows\smss.exe	cvtres.exe
File opened for modification	C:\Windows\smss.exe	cvtres.exe
File opened for modification	C:\Windows\assembly	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
File created	C:\Windows\assembly\Desktop.ini	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rLXhj.exe

pid process

1416 rLXhj.exe
1416 rLXhj.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rLXhj.exe

description pid process

Token: SeDebugPrivilege 1416 rLXhj.exe

pid	process
1416	rLXhj.exe
1416	rLXhj.exe

description	pid	process
Token: SeDebugPrivilege	1416	rLXhj.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exerLXhj.exe

description	pid	process	target process
PID 3872 wrote to memory of 1416	3872	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe	rLXhj.exe
PID 3872 wrote to memory of 1416	3872	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe	rLXhj.exe
PID 3872 wrote to memory of 1416	3872	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe	rLXhj.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe
PID 1416 wrote to memory of 3268	1416	rLXhj.exe	cvtres.exe

C:\Users\Admin\AppData\Local\Temp\2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
"C:\Users\Admin\AppData\Local\Temp\2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3872

C:\Users\Admin\AppData\Local\Temp\rLXhj.exe
"C:\Users\Admin\AppData\Local\Temp\rLXhj.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416

C:\Users\Admin\AppData\Local\Temp\cvtres.exe
C:\Users\Admin\AppData\Local\Temp\\cvtres.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
PID:3268

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\cvtres.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\rLXhj.exe
Filesize
74KB

MD5
7d13dfd077d79c0a8d3cd21418ccf848

SHA1
716a2b22afc0e51663ca763f281f73fe1c77a7b1

SHA256
50f1c18fa3bab7fa42b5db45ca29e6df4a5e19d8f5b2954f2684d7242e324b4f

SHA512
659d8acfb0ecd7ca825837353aa6e47ba30284c6a0c2ef59c9b968d0ffba1587ca2a8a681a2841f02619cfe79935dd3cf07675406cf3a78560b1a33fc112f453

Download Submit
C:\Users\Admin\AppData\Local\Temp\rLXhj.exe
Filesize
74KB

MD5
7d13dfd077d79c0a8d3cd21418ccf848

SHA1
716a2b22afc0e51663ca763f281f73fe1c77a7b1

SHA256
50f1c18fa3bab7fa42b5db45ca29e6df4a5e19d8f5b2954f2684d7242e324b4f

SHA512
659d8acfb0ecd7ca825837353aa6e47ba30284c6a0c2ef59c9b968d0ffba1587ca2a8a681a2841f02619cfe79935dd3cf07675406cf3a78560b1a33fc112f453

Download Submit
memory/1416-135-0x0000000074690000-0x0000000074C41000-memory.dmp

Filesize
5.7MB

Download
memory/1416-131-0x0000000000000000-mapping.dmp

Download
memory/1416-142-0x0000000074690000-0x0000000074C41000-memory.dmp

Filesize
5.7MB

Download
memory/3268-136-0x0000000000000000-mapping.dmp

Download
memory/3268-137-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3268-141-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3268-143-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3872-134-0x0000000074690000-0x0000000074C41000-memory.dmp

Filesize
5.7MB

Download
memory/3872-130-0x0000000074690000-0x0000000074C41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads