90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041

General

Target

90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
Size

256KB
MD5

f7af4a7c9b22da810861a6bd07c55a87
SHA1

a8d832d884d94372f6dc8f9a3718eb3b4db1ee09
SHA256

90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041
SHA512

feeadc83c12b5d8d678b8c1078b48de19fa6bea35224d84e7b1859c79ac8661836c25b9fa8dd5994fe2841cf08adea60864c4d94b43dc7861729174daf7b9ca6
SSDEEP

6144:BcEWAuYkSubM5cAhVIdnwMVtyeelQikCwxjqdsCWTz4M:2hSSS5YlVtyeklPujqdmT9

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\dfb5f6db.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dfb5f6db.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\dfb5f6d = "C:\\dfb5f6db\\dfb5f6db.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fb5f6d = "C:\\dfb5f6db\\dfb5f6db.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\dfb5f6db = "C:\\Users\\Admin\\AppData\\Roaming\\dfb5f6db.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fb5f6db = "C:\\Users\\Admin\\AppData\\Roaming\\dfb5f6db.exe"	explorer.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

7 myexternalip.com
3 ip-addr.es
5 myexternalip.com

flow	ioc
7	myexternalip.com
3	ip-addr.es
5	myexternalip.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe

description	pid	process	target process
PID 1060 set thread context of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.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

1984 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe

pid process

1060 90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exeexplorer.exe

pid process

908 90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
1728 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1884 vssvc.exe
Token: SeRestorePrivilege 1884 vssvc.exe
Token: SeAuditPrivilege 1884 vssvc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe

pid process

1060 90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe

pid	process
1984	vssadmin.exe

pid	process
1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe

pid	process
908	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
1728	explorer.exe

description	pid	process
Token: SeBackupPrivilege	1884	vssvc.exe
Token: SeRestorePrivilege	1884	vssvc.exe
Token: SeAuditPrivilege	1884	vssvc.exe

pid	process
1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exeexplorer.exe

description	pid	process	target process
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 1060 wrote to memory of 908	1060	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
PID 908 wrote to memory of 1728	908	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	explorer.exe
PID 908 wrote to memory of 1728	908	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	explorer.exe
PID 908 wrote to memory of 1728	908	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	explorer.exe
PID 908 wrote to memory of 1728	908	90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe	explorer.exe
PID 1728 wrote to memory of 2028	1728	explorer.exe	svchost.exe
PID 1728 wrote to memory of 2028	1728	explorer.exe	svchost.exe
PID 1728 wrote to memory of 2028	1728	explorer.exe	svchost.exe
PID 1728 wrote to memory of 2028	1728	explorer.exe	svchost.exe
PID 1728 wrote to memory of 1984	1728	explorer.exe	vssadmin.exe
PID 1728 wrote to memory of 1984	1728	explorer.exe	vssadmin.exe
PID 1728 wrote to memory of 1984	1728	explorer.exe	vssadmin.exe
PID 1728 wrote to memory of 1984	1728	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
"C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1060

C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:908

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:1728

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:2028

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1984

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1884

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/908-65-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/908-57-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/908-66-0x0000000000416E70-mapping.dmp

Download
memory/908-68-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/908-58-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/908-61-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/908-62-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/908-64-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/908-55-0x00000000001B0000-0x00000000002AA000-memory.dmp

Filesize
1000KB

Download
memory/1060-59-0x00000000003C0000-0x00000000003C4000-memory.dmp

Filesize
16KB

Download
memory/1060-54-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download
memory/1728-67-0x0000000000000000-mapping.dmp

Download
memory/1728-70-0x0000000074C51000-0x0000000074C53000-memory.dmp

Filesize
8KB

Download
memory/1728-71-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1984-73-0x0000000000000000-mapping.dmp

Download
memory/2028-76-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/2028-72-0x0000000000000000-mapping.dmp

Download
memory/2028-75-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads