267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437

General

Target

267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
Size

286KB
MD5

5cb43bf4b7e5329caa8d51f59f8774d5
SHA1

5cf6138ddfba03f6922e15894f47a23e69bebc2c
SHA256

267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437
SHA512

9858b482d9c82f50f683ec6dbb48ebb937af8cf515cf6be0b933b1873fad3708d506d421376593cbcd01e606efc61e01886c66f9dc2704d6c2d97727e0960081
SSDEEP

3072:dRbZEXlwNqK5HzGyx6jZ8UA7z9YP3vYcghUg1ObLt:d1dqNT3JghS5

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\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
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

Suspicious use of SetThreadContext 1 IoCs

Processes:

267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe

description	pid	process	target process
PID 552 set thread context of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.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

2008 vssadmin.exe

pid	process
2008	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe

pid	process
552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exeexplorer.exe

pid process

1900 267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
1500 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1652 vssvc.exe
Token: SeRestorePrivilege 1652 vssvc.exe
Token: SeAuditPrivilege 1652 vssvc.exe

pid	process
1900	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
1500	explorer.exe

description	pid	process
Token: SeBackupPrivilege	1652	vssvc.exe
Token: SeRestorePrivilege	1652	vssvc.exe
Token: SeAuditPrivilege	1652	vssvc.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exeexplorer.exe

description	pid	process	target process
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 552 wrote to memory of 1900	552	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
PID 1900 wrote to memory of 1500	1900	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	explorer.exe
PID 1900 wrote to memory of 1500	1900	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	explorer.exe
PID 1900 wrote to memory of 1500	1900	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	explorer.exe
PID 1900 wrote to memory of 1500	1900	267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe	explorer.exe
PID 1500 wrote to memory of 1760	1500	explorer.exe	svchost.exe
PID 1500 wrote to memory of 1760	1500	explorer.exe	svchost.exe
PID 1500 wrote to memory of 1760	1500	explorer.exe	svchost.exe
PID 1500 wrote to memory of 1760	1500	explorer.exe	svchost.exe
PID 1500 wrote to memory of 2008	1500	explorer.exe	vssadmin.exe
PID 1500 wrote to memory of 2008	1500	explorer.exe	vssadmin.exe
PID 1500 wrote to memory of 2008	1500	explorer.exe	vssadmin.exe
PID 1500 wrote to memory of 2008	1500	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
"C:\Users\Admin\AppData\Local\Temp\267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:552

C:\Users\Admin\AppData\Local\Temp\267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe
"C:\Users\Admin\AppData\Local\Temp\267ea3542987795c6e34298e5e43efbd9681db006901aecd23824122a810e437.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\syswow64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1500

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:1760

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:2008

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1652

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/552-63-0x0000000000220000-0x0000000000230000-memory.dmp

Filesize
64KB

Download
memory/1500-64-0x0000000000000000-mapping.dmp

Download
memory/1500-68-0x0000000000310000-0x0000000000330000-memory.dmp

Filesize
128KB

Download
memory/1500-67-0x00000000747C1000-0x00000000747C3000-memory.dmp

Filesize
8KB

Download
memory/1500-66-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

Download
memory/1760-73-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1760-72-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1760-69-0x0000000000000000-mapping.dmp

Download
memory/1900-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1900-65-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1900-62-0x00000000004143B0-mapping.dmp

Download
memory/1900-61-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1900-54-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1900-58-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1900-57-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1900-55-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2008-70-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads