92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8

General

Target

92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe
Size

307KB
MD5

d4126f6c4121cc5156e2d0816d02eb61
SHA1

2b12e5c93a850f5bbddba900ae3441ea36486916
SHA256

92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8
SHA512

a4d237d7705c25b7d7ad4172f232f7f8953d604be0743203d4279e1f994cb2ec1b0817b120b27e46888fc73318ff23acd296d5df46b6c50043d37d355305343b
SSDEEP

6144:R3Np0yls8l62y4bbfUbA4JVmcJ9+rmAZOkmgH3IWQHp:R3Np0Cs1743fAX/JGQs3IFHp

Score

9^/10

persistence ransomware

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
Drops startup file 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\82b2b9a.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\82b2b9a.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\82b2b9a = "C:\\Users\\Admin\\AppData\\Roaming\\82b2b9a.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*2b2b9a = "C:\\Users\\Admin\\AppData\\Roaming\\82b2b9a.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\82b2b9 = "C:\\82b2b9a\\82b2b9a.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*2b2b9 = "C:\\82b2b9a\\82b2b9a.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

1476 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exeexplorer.exe

pid process

1500 92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe
808 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1588 vssvc.exe
Token: SeRestorePrivilege 1588 vssvc.exe
Token: SeAuditPrivilege 1588 vssvc.exe

pid	process
1476	vssadmin.exe

pid	process
1500	92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe
808	explorer.exe

description	pid	process
Token: SeBackupPrivilege	1588	vssvc.exe
Token: SeRestorePrivilege	1588	vssvc.exe
Token: SeAuditPrivilege	1588	vssvc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exeexplorer.exe

description	pid	process	target process
PID 1500 wrote to memory of 808	1500	92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe	explorer.exe
PID 1500 wrote to memory of 808	1500	92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe	explorer.exe
PID 1500 wrote to memory of 808	1500	92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe	explorer.exe
PID 1500 wrote to memory of 808	1500	92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe	explorer.exe
PID 808 wrote to memory of 964	808	explorer.exe	svchost.exe
PID 808 wrote to memory of 964	808	explorer.exe	svchost.exe
PID 808 wrote to memory of 964	808	explorer.exe	svchost.exe
PID 808 wrote to memory of 964	808	explorer.exe	svchost.exe
PID 808 wrote to memory of 1476	808	explorer.exe	vssadmin.exe
PID 808 wrote to memory of 1476	808	explorer.exe	vssadmin.exe
PID 808 wrote to memory of 1476	808	explorer.exe	vssadmin.exe
PID 808 wrote to memory of 1476	808	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe
"C:\Users\Admin\AppData\Local\Temp\92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1500

C:\Windows\syswow64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\syswow64\svchost.exe
-k netsvcs
3⤵
PID:964

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1476

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

Replay Monitor

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Downloads

memory/808-58-0x0000000000000000-mapping.dmp

Download
memory/808-60-0x0000000074F71000-0x0000000074F73000-memory.dmp

Filesize
8KB

Download
memory/808-61-0x0000000000310000-0x0000000000330000-memory.dmp

Filesize
128KB

Download
memory/964-62-0x0000000000000000-mapping.dmp

Download
memory/964-65-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1476-63-0x0000000000000000-mapping.dmp

Download
memory/1500-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/1500-55-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1500-56-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download

Analysis

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