2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a

General

Target

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
Size

146KB
MD5

95cef99dd8ed824a90e544deb4f0d56d
SHA1

ce4ca4243380ce94c0614d250cc8f950213636ed
SHA256

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a
SHA512

ecc485415b08a8d68ef63975ad08d4176c4e1c0f56ecc707898d9c9cd753b14c7e5524841ee4b28b017449c301a09ae58ccecc9c5717b86f4bbd508c417e7a10
SSDEEP

3072:dQq0CgpyfPF9Dc/fFs+UaP+DFq14Es4V:NBkyPH/+r001VV

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\1845ae6.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1845ae6.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-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\1845ae = "C:\\1845ae6\\1845ae6.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*845ae = "C:\\1845ae6\\1845ae6.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\1845ae6 = "C:\\Users\\Admin\\AppData\\Roaming\\1845ae6.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*845ae6 = "C:\\Users\\Admin\\AppData\\Roaming\\1845ae6.exe"	explorer.exe

Drops file in Windows directory 1 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

description	ioc	process
File opened for modification	C:\Windows\2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.INI	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.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

560 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exeexplorer.exe

pid process

1292 2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
764 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 968 vssvc.exe
Token: SeRestorePrivilege 968 vssvc.exe
Token: SeAuditPrivilege 968 vssvc.exe

pid	process
560	vssadmin.exe

description	pid	process
Token: SeBackupPrivilege	968	vssvc.exe
Token: SeRestorePrivilege	968	vssvc.exe
Token: SeAuditPrivilege	968	vssvc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

pid	process
1292	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
1292	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

pid process

1292 2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exeexplorer.exe

description	pid	process	target process
PID 1292 wrote to memory of 764	1292	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe	explorer.exe
PID 1292 wrote to memory of 764	1292	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe	explorer.exe
PID 1292 wrote to memory of 764	1292	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe	explorer.exe
PID 1292 wrote to memory of 764	1292	2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe	explorer.exe
PID 764 wrote to memory of 676	764	explorer.exe	svchost.exe
PID 764 wrote to memory of 676	764	explorer.exe	svchost.exe
PID 764 wrote to memory of 676	764	explorer.exe	svchost.exe
PID 764 wrote to memory of 676	764	explorer.exe	svchost.exe
PID 764 wrote to memory of 560	764	explorer.exe	vssadmin.exe
PID 764 wrote to memory of 560	764	explorer.exe	vssadmin.exe
PID 764 wrote to memory of 560	764	explorer.exe	vssadmin.exe
PID 764 wrote to memory of 560	764	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe
"C:\Users\Admin\AppData\Local\Temp\2b8ec9ff2b29b4cbafa78ef2f4942bd3cb57d85a0482160c45a5b42dd7a21b0a.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1292

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:764

C:\Windows\syswow64\svchost.exe
-k netsvcs
3⤵
PID:676

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:560

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:968

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

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Downloads

memory/560-63-0x0000000000000000-mapping.dmp

Download
memory/676-62-0x0000000000000000-mapping.dmp

Download
memory/676-65-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/676-66-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/764-57-0x0000000000000000-mapping.dmp

Download
memory/764-59-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/764-60-0x0000000074C31000-0x0000000074C33000-memory.dmp

Filesize
8KB

Download
memory/764-61-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1292-54-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1292-56-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1292-58-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads