12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8

General

Target

12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
Size

554KB
MD5

f915dd718743ef988fba719880e70ef3
SHA1

8a25b660c741ccf8a4d6389a16f491499411c953
SHA256

12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8
SHA512

f105f6b9a8ecd95b57b41eebfb5cd94ff13cf3653e424993da362d6db3a2c721e3d904df63184b51be96488d9c8e7dc98843c0c5daabf0058a52091531db230e

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\oqupejyv = "\"C:\\Windows\\inamkxyd.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe

description	pid	process	target process
PID 1016 set thread context of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1208 set thread context of 1772	1208	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	explorer.exe

Drops file in Windows directory 2 IoCs

Processes:

explorer.exe

description ioc process

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

1544 vssadmin.exe

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

pid	process
1544	vssadmin.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\PhishingFilter	explorer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe

pid process

1016 12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1480 vssvc.exe
Token: SeRestorePrivilege 1480 vssvc.exe
Token: SeAuditPrivilege 1480 vssvc.exe

pid	process
1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe

description	pid	process
Token: SeBackupPrivilege	1480	vssvc.exe
Token: SeRestorePrivilege	1480	vssvc.exe
Token: SeAuditPrivilege	1480	vssvc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exeexplorer.exe

description	pid	process	target process
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1016 wrote to memory of 1208	1016	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
PID 1208 wrote to memory of 1772	1208	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	explorer.exe
PID 1208 wrote to memory of 1772	1208	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	explorer.exe
PID 1208 wrote to memory of 1772	1208	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	explorer.exe
PID 1208 wrote to memory of 1772	1208	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	explorer.exe
PID 1208 wrote to memory of 1772	1208	12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe	explorer.exe
PID 1772 wrote to memory of 1544	1772	explorer.exe	vssadmin.exe
PID 1772 wrote to memory of 1544	1772	explorer.exe	vssadmin.exe
PID 1772 wrote to memory of 1544	1772	explorer.exe	vssadmin.exe
PID 1772 wrote to memory of 1544	1772	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
"C:\Users\Admin\AppData\Local\Temp\12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1016

C:\Users\Admin\AppData\Local\Temp\12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe
"C:\Users\Admin\AppData\Local\Temp\12ab1f1809440c6eab000ca0787ad606959cf58be492f068703d2cf38d13cbb8.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1208

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:1772

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1544

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1480

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\ywynugoxasijikec\01000000
Filesize
554KB

MD5
1330462f8c0ad8e7e3b21cdb30c6d267

SHA1
2dd4f3059f6dd99e21a28575cb2aff0d6635cff6

SHA256
9c26f3ef78347a1f197edd9b5398ee1f3f9f109ef264c016317b67deeea854c4

SHA512
b8dd37e4a2292b7178250e8df3431007e74acf5196ddddae4cb3c7d6d0bab9fead0a8285fbf01f5ef1bf6360685158de769e31fec8dcbc0fbd0b99212750355e

Download Submit
memory/1016-54-0x0000000075F61000-0x0000000075F63000-memory.dmp

Filesize
8KB

Download
memory/1208-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-77-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-65-0x000000000040A61E-mapping.dmp

Download
memory/1208-58-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-55-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1544-79-0x0000000000000000-mapping.dmp

Download
memory/1772-73-0x000000000009A160-mapping.dmp

Download
memory/1772-75-0x0000000074F41000-0x0000000074F43000-memory.dmp

Filesize
8KB

Download
memory/1772-71-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1772-69-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1772-78-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1772-80-0x0000000072AE1000-0x0000000072AE3000-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