52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e

General

Target

52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
Size

740KB
MD5

0df48f8ca20443a9f260def3c32b9770
SHA1

81193d5873c7b291b7c0e24c459c40fd648ed68a
SHA256

52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e
SHA512

b7e898ccd5cf3a8549a3e5aabbc53117174ea50f3c1d878bacb610f101b76fdca39b51e370600ee8e14379aef98415719d5af4164ef9b18afff7a1684adb85a4
SSDEEP

12288:iep8fcP7cG9CZmSqKd89MP70IKViOvYeHSo+6XWnEzUYjD9a:H8qbfwd8WP4bVLvHHSo+IWk1a

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\asujyrih = "\"C:\\Windows\\ufypiqyl.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe

description	pid	process	target process
PID 268 set thread context of 588	268	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
PID 588 set thread context of 304	588	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	explorer.exe

Drops file in Windows directory 2 IoCs

Processes:

explorer.exe

description ioc process

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

1564 vssadmin.exe

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

pid	process
1564	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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PhishingFilter	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 432 vssvc.exe
Token: SeRestorePrivilege 432 vssvc.exe
Token: SeAuditPrivilege 432 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	432	vssvc.exe
Token: SeRestorePrivilege	432	vssvc.exe
Token: SeAuditPrivilege	432	vssvc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exeexplorer.exe

description	pid	process	target process
PID 268 wrote to memory of 588	268	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
PID 268 wrote to memory of 588	268	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
PID 268 wrote to memory of 588	268	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
PID 268 wrote to memory of 588	268	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
PID 268 wrote to memory of 588	268	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
PID 268 wrote to memory of 588	268	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
PID 588 wrote to memory of 304	588	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	explorer.exe
PID 588 wrote to memory of 304	588	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	explorer.exe
PID 588 wrote to memory of 304	588	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	explorer.exe
PID 588 wrote to memory of 304	588	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	explorer.exe
PID 588 wrote to memory of 304	588	52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe	explorer.exe
PID 304 wrote to memory of 1564	304	explorer.exe	vssadmin.exe
PID 304 wrote to memory of 1564	304	explorer.exe	vssadmin.exe
PID 304 wrote to memory of 1564	304	explorer.exe	vssadmin.exe
PID 304 wrote to memory of 1564	304	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
"C:\Users\Admin\AppData\Local\Temp\52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:268

C:\Users\Admin\AppData\Local\Temp\52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe
"C:\Users\Admin\AppData\Local\Temp\52a6d5e35047fa5c952bad7469706ef0f0dff4658abe73eb5563eb704ce8568e.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:588

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:304

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1564

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:432

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

Replay Monitor

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Downloads

C:\ProgramData\idumewitynofyran\01000000
Filesize
740KB

MD5
b2c4cd167a02c8807b545524eaf0224e

SHA1
2a47ef168270a74105a961f8eea56c0b792116b3

SHA256
632d36f3caab286cef4de92bd34459d1c99f81f422148fb7991fb5618de53e8e

SHA512
8c5dd9d668835c4d84043054823073d196d65686d78c100638a1da403243b56aecb09c764ae839a39c6dd673fda58e17818e91aba0c7bf662bbbd5c67f755283

Download Submit
memory/268-54-0x0000000074ED1000-0x0000000074ED3000-memory.dmp

Filesize
8KB

Download
memory/268-55-0x0000000000240000-0x0000000000248000-memory.dmp

Filesize
32KB

Download
memory/304-66-0x0000000000370000-0x00000000003AC000-memory.dmp

Filesize
240KB

Download
memory/304-64-0x0000000000370000-0x00000000003AC000-memory.dmp

Filesize
240KB

Download
memory/304-68-0x000000000038A140-mapping.dmp

Download
memory/304-70-0x0000000074771000-0x0000000074773000-memory.dmp

Filesize
8KB

Download
memory/304-73-0x0000000000370000-0x00000000003AC000-memory.dmp

Filesize
240KB

Download
memory/304-75-0x0000000072221000-0x0000000072223000-memory.dmp

Filesize
8KB

Download
memory/588-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/588-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/588-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/588-59-0x000000000040A61E-mapping.dmp

Download
memory/588-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/588-56-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1564-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads