c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7

General

Target

c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
Size

442KB
MD5

6fb99593905840cf95ab2364c4c87d63
SHA1

8d0aafee1cabe7b6cc0caf93ffafd3da3bff8b9b
SHA256

c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7
SHA512

ed5da6f84c3627b740a153db5a86facf23710bfd2f83aafbfe8fc64098823cfec27909cbcf9d80d0ae17c32d928e5dc91a8481973c2ec22436e6e30bd9d32a5d
SSDEEP

6144:8joxeLzWAedqagVnGxqFL9hCPFvuE/pvj3hGUdXZGKb1T7oPFkCs1QBPY4:VxeHWAIMicCR/FHXZtSj

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\ipajeltn = "C:\\Windows\\igydozyl.exe"	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exec9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe

description	pid	process	target process
PID 1764 set thread context of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1932 set thread context of 1268	1932	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	explorer.exe

Drops file in Windows directory 2 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Windows\igydozyl.exe explorer.exe
File created C:\Windows\igydozyl.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

844 vssadmin.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 868 vssvc.exe
Token: SeRestorePrivilege 868 vssvc.exe
Token: SeAuditPrivilege 868 vssvc.exe

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

pid	process
844	vssadmin.exe

description	pid	process
Token: SeBackupPrivilege	868	vssvc.exe
Token: SeRestorePrivilege	868	vssvc.exe
Token: SeAuditPrivilege	868	vssvc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exec9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exeexplorer.exe

description	pid	process	target process
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1764 wrote to memory of 1932	1764	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
PID 1932 wrote to memory of 1268	1932	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	explorer.exe
PID 1932 wrote to memory of 1268	1932	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	explorer.exe
PID 1932 wrote to memory of 1268	1932	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	explorer.exe
PID 1932 wrote to memory of 1268	1932	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	explorer.exe
PID 1932 wrote to memory of 1268	1932	c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe	explorer.exe
PID 1268 wrote to memory of 844	1268	explorer.exe	vssadmin.exe
PID 1268 wrote to memory of 844	1268	explorer.exe	vssadmin.exe
PID 1268 wrote to memory of 844	1268	explorer.exe	vssadmin.exe
PID 1268 wrote to memory of 844	1268	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
"C:\Users\Admin\AppData\Local\Temp\c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1764

C:\Users\Admin\AppData\Local\Temp\c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe
"C:\Users\Admin\AppData\Local\Temp\c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\system32\explorer.exe"
3⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:844

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:868

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

Replay Monitor

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Downloads

C:\ProgramData\aqajuvotilijotaq\01000000
Filesize
442KB

MD5
6fb99593905840cf95ab2364c4c87d63

SHA1
8d0aafee1cabe7b6cc0caf93ffafd3da3bff8b9b

SHA256
c9b0c5e1e5f11319e9b8845cf27106dd31254077caec4b9bb3ae16f8ac5420c7

SHA512
ed5da6f84c3627b740a153db5a86facf23710bfd2f83aafbfe8fc64098823cfec27909cbcf9d80d0ae17c32d928e5dc91a8481973c2ec22436e6e30bd9d32a5d

Download Submit
memory/844-78-0x0000000000000000-mapping.dmp

Download
memory/1268-69-0x00000000000D0000-0x000000000010C000-memory.dmp

Filesize
240KB

Download
memory/1268-81-0x00000000000D0000-0x000000000010C000-memory.dmp

Filesize
240KB

Download
memory/1268-80-0x0000000072B61000-0x0000000072B63000-memory.dmp

Filesize
8KB

Download
memory/1268-79-0x00000000000D0000-0x000000000010C000-memory.dmp

Filesize
240KB

Download
memory/1268-75-0x0000000074EB1000-0x0000000074EB3000-memory.dmp

Filesize
8KB

Download
memory/1268-73-0x00000000000EA3B0-mapping.dmp

Download
memory/1268-71-0x00000000000D0000-0x000000000010C000-memory.dmp

Filesize
240KB

Download
memory/1764-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1932-62-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-65-0x000000000040B4C7-mapping.dmp

Download
memory/1932-68-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-66-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-64-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-77-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-61-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-60-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-58-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1932-55-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads