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:

ezLze.execvtres.exe

pid process

664 ezLze.exe
524 cvtres.exe

pid	process
664	ezLze.exe
524	cvtres.exe

Loads dropped DLL 3 IoCs

Processes:

2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exeezLze.exe

pid	process
1884	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
1884	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
664	ezLze.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

Suspicious use of SetThreadContext 1 IoCs

Processes:

ezLze.exe

description pid process target process

PID 664 set thread context of 524 664 ezLze.exe cvtres.exe
Drops file in Windows directory 2 IoCs

Processes:

cvtres.exe

description ioc process

File created C:\Windows\smss.exe cvtres.exe
File opened for modification C:\Windows\smss.exe cvtres.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:

ezLze.exe

pid process

664 ezLze.exe
664 ezLze.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ezLze.exe

description pid process

Token: SeDebugPrivilege 664 ezLze.exe

description	pid	process	target process
PID 664 set thread context of 524	664	ezLze.exe	cvtres.exe

description	ioc	process
File created	C:\Windows\smss.exe	cvtres.exe
File opened for modification	C:\Windows\smss.exe	cvtres.exe

pid	process
664	ezLze.exe
664	ezLze.exe

description	pid	process
Token: SeDebugPrivilege	664	ezLze.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exeezLze.exe

description	pid	process	target process
PID 1884 wrote to memory of 664	1884	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe	ezLze.exe
PID 1884 wrote to memory of 664	1884	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe	ezLze.exe
PID 1884 wrote to memory of 664	1884	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe	ezLze.exe
PID 1884 wrote to memory of 664	1884	2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe	ezLze.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe
PID 664 wrote to memory of 524	664	ezLze.exe	cvtres.exe

C:\Users\Admin\AppData\Local\Temp\2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe
"C:\Users\Admin\AppData\Local\Temp\2c723ae13f8953c743155d39a6caa46ca42336cfe054b05b4a88f2a038a46f44.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1884

C:\Users\Admin\AppData\Local\Temp\ezLze.exe
"C:\Users\Admin\AppData\Local\Temp\ezLze.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:664

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:524

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\cvtres.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

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

MD5
7d13dfd077d79c0a8d3cd21418ccf848

SHA1
716a2b22afc0e51663ca763f281f73fe1c77a7b1

SHA256
50f1c18fa3bab7fa42b5db45ca29e6df4a5e19d8f5b2954f2684d7242e324b4f

SHA512
659d8acfb0ecd7ca825837353aa6e47ba30284c6a0c2ef59c9b968d0ffba1587ca2a8a681a2841f02619cfe79935dd3cf07675406cf3a78560b1a33fc112f453

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

MD5
7d13dfd077d79c0a8d3cd21418ccf848

SHA1
716a2b22afc0e51663ca763f281f73fe1c77a7b1

SHA256
50f1c18fa3bab7fa42b5db45ca29e6df4a5e19d8f5b2954f2684d7242e324b4f

SHA512
659d8acfb0ecd7ca825837353aa6e47ba30284c6a0c2ef59c9b968d0ffba1587ca2a8a681a2841f02619cfe79935dd3cf07675406cf3a78560b1a33fc112f453

Download Submit
\Users\Admin\AppData\Local\Temp\cvtres.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\ezLze.exe
Filesize
74KB

MD5
7d13dfd077d79c0a8d3cd21418ccf848

SHA1
716a2b22afc0e51663ca763f281f73fe1c77a7b1

SHA256
50f1c18fa3bab7fa42b5db45ca29e6df4a5e19d8f5b2954f2684d7242e324b4f

SHA512
659d8acfb0ecd7ca825837353aa6e47ba30284c6a0c2ef59c9b968d0ffba1587ca2a8a681a2841f02619cfe79935dd3cf07675406cf3a78560b1a33fc112f453

Download Submit
\Users\Admin\AppData\Local\Temp\ezLze.exe
Filesize
74KB

MD5
7d13dfd077d79c0a8d3cd21418ccf848

SHA1
716a2b22afc0e51663ca763f281f73fe1c77a7b1

SHA256
50f1c18fa3bab7fa42b5db45ca29e6df4a5e19d8f5b2954f2684d7242e324b4f

SHA512
659d8acfb0ecd7ca825837353aa6e47ba30284c6a0c2ef59c9b968d0ffba1587ca2a8a681a2841f02619cfe79935dd3cf07675406cf3a78560b1a33fc112f453

Download Submit
memory/524-65-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-70-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-64-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-76-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-67-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-68-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-69-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-74-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/524-71-0x0000000000401E60-mapping.dmp

Download
memory/664-58-0x0000000000000000-mapping.dmp

Download
memory/664-77-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/664-78-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/1884-62-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/1884-55-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/1884-54-0x0000000075191000-0x0000000075193000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads