fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808

General

Target

fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
Size

655KB
MD5

59ef3417d45e5f5c01e9618aa5e98d8c
SHA1

b130a6752cd9ca2ba059b90be2f058006467006b
SHA256

fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808
SHA512

e8450bb56da2845e07e8f8ec92052ee59b8acb3f75a9619e27d60ada685b5fb2655323183d9bc496d6f6964b95efe37f5031833ed5e18cd3c2a08907c87c4194
SSDEEP

12288:ZvmTr+Uyv4s90RZldjktXi1HKoL96xqIcOHCbpByeUH8Ku:YTPsj0vdvHKoLgqIcOHc4tu

Score

9^/10

evasion persistence ransomware trojan

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\avozyhdv = "\"C:\\Windows\\yzicosiz.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exefe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe

description	pid	process	target process
PID 1388 set thread context of 1872	1388	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
PID 1872 set thread context of 1940	1872	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	explorer.exe

Drops file in Windows directory 2 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Windows\yzicosiz.exe explorer.exe
File created C:\Windows\yzicosiz.exe explorer.exe
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

1116 vssadmin.exe

description	ioc	process
File opened for modification	C:\Windows\yzicosiz.exe	explorer.exe
File created	C:\Windows\yzicosiz.exe	explorer.exe

pid	process
1116	vssadmin.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PhishingFilter	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0"	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1776 vssvc.exe
Token: SeRestorePrivilege 1776 vssvc.exe
Token: SeAuditPrivilege 1776 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1776	vssvc.exe
Token: SeRestorePrivilege	1776	vssvc.exe
Token: SeAuditPrivilege	1776	vssvc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exefe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exeexplorer.exe

description	pid	process	target process
PID 1388 wrote to memory of 1872	1388	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
PID 1388 wrote to memory of 1872	1388	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
PID 1388 wrote to memory of 1872	1388	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
PID 1388 wrote to memory of 1872	1388	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
PID 1388 wrote to memory of 1872	1388	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
PID 1388 wrote to memory of 1872	1388	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
PID 1872 wrote to memory of 1940	1872	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	explorer.exe
PID 1872 wrote to memory of 1940	1872	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	explorer.exe
PID 1872 wrote to memory of 1940	1872	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	explorer.exe
PID 1872 wrote to memory of 1940	1872	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	explorer.exe
PID 1872 wrote to memory of 1940	1872	fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe	explorer.exe
PID 1940 wrote to memory of 1116	1940	explorer.exe	vssadmin.exe
PID 1940 wrote to memory of 1116	1940	explorer.exe	vssadmin.exe
PID 1940 wrote to memory of 1116	1940	explorer.exe	vssadmin.exe
PID 1940 wrote to memory of 1116	1940	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
"C:\Users\Admin\AppData\Local\Temp\fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1388

C:\Users\Admin\AppData\Local\Temp\fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe
"C:\Users\Admin\AppData\Local\Temp\fe714e0c9393bc3bba151c62ef0050b857e70653da44ba5895a4e72165461808.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1872

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\system32\explorer.exe"
3⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer Phishing Filter
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1116

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1776

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\ProgramData\utoligapetoqemaz\01000000
Filesize
655KB

MD5
b6927427fe0f01fd4ac026f937743cbe

SHA1
6f727370c99b1102a4ef10563607daac8e449cbf

SHA256
5d6eeb851dafde4a1a74e6fab4b572a7cfe1346e72ef1a0008833f077f054bd9

SHA512
18c8c51bf018fe8e08a716994a81311d0440d0f89fd9545a0ca50efb6ae89e597e2f3d7308452fa8fcf2cfc3aff04752d0bd70915a449f9e09fcd12365eaf461

Download Submit
memory/1116-73-0x0000000000000000-mapping.dmp

Download
memory/1388-59-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1388-54-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

Filesize
8KB

Download
memory/1872-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1872-55-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1872-58-0x000000000040A61E-mapping.dmp

Download
memory/1872-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1872-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1940-67-0x000000000009A140-mapping.dmp

Download
memory/1940-69-0x0000000074571000-0x0000000074573000-memory.dmp

Filesize
8KB

Download
memory/1940-65-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1940-72-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1940-63-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1940-74-0x0000000072121000-0x0000000072123000-memory.dmp

Filesize
8KB

Download
memory/1940-75-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads