bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9

General

Target

bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
Size

224KB
MD5

5f3e8e6891e96477d4d9cba602e86966
SHA1

043f7cd8a45497eb4058f2a9a7ac56b396674b21
SHA256

bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9
SHA512

5469d4d4869d9767f931ca87d9a1b936c98251b234a77d2b1f57e037276398b54b7b36fe33ca23c4c4dd18440cfc8539e016feb9a70063d163916225bf0a4891
SSDEEP

6144:2Cha39c49QSKTG9491OcrRF2zV2qV4hGm4V:2EK9ccfeG94i08zVl4w5

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\fee58232.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fee58232.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\fee5823 = "C:\\fee58232\\fee58232.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*ee5823 = "C:\\fee58232\\fee58232.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\fee58232 = "C:\\Users\\Admin\\AppData\\Roaming\\fee58232.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*ee58232 = "C:\\Users\\Admin\\AppData\\Roaming\\fee58232.exe"	explorer.exe

Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 myexternalip.com
7 myexternalip.com
89 myexternalip.com
2 ip-addr.es

flow	ioc
5	myexternalip.com
7	myexternalip.com
89	myexternalip.com
2	ip-addr.es

Suspicious use of SetThreadContext 1 IoCs

Processes:

bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe

description	pid	process	target process
PID 112 set thread context of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.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

940 vssadmin.exe

pid	process
940	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe

pid	process
112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exeexplorer.exe

pid process

1956 bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
1140 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
1956	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
1140	explorer.exe

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

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe

pid	process
112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exebb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exeexplorer.exe

description	pid	process	target process
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 112 wrote to memory of 1956	112	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
PID 1956 wrote to memory of 1140	1956	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	explorer.exe
PID 1956 wrote to memory of 1140	1956	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	explorer.exe
PID 1956 wrote to memory of 1140	1956	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	explorer.exe
PID 1956 wrote to memory of 1140	1956	bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe	explorer.exe
PID 1140 wrote to memory of 2040	1140	explorer.exe	svchost.exe
PID 1140 wrote to memory of 2040	1140	explorer.exe	svchost.exe
PID 1140 wrote to memory of 2040	1140	explorer.exe	svchost.exe
PID 1140 wrote to memory of 2040	1140	explorer.exe	svchost.exe
PID 1140 wrote to memory of 940	1140	explorer.exe	vssadmin.exe
PID 1140 wrote to memory of 940	1140	explorer.exe	vssadmin.exe
PID 1140 wrote to memory of 940	1140	explorer.exe	vssadmin.exe
PID 1140 wrote to memory of 940	1140	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
"C:\Users\Admin\AppData\Local\Temp\bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:112

C:\Users\Admin\AppData\Local\Temp\bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
C:\Users\Admin\AppData\Local\Temp\bb2cbfe187efe5516dcdc42472079d25b2c7be462802df209aa6386269d5afc9.exe
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1956

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:1140

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:2040

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:940

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

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/112-56-0x0000000000290000-0x0000000000294000-memory.dmp

Filesize
16KB

Download
memory/112-54-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/940-74-0x0000000000000000-mapping.dmp

Download
memory/1140-66-0x0000000000000000-mapping.dmp

Download
memory/1140-70-0x0000000000080000-0x00000000000A4000-memory.dmp

Filesize
144KB

Download
memory/1140-69-0x00000000746E1000-0x00000000746E3000-memory.dmp

Filesize
8KB

Download
memory/1956-59-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1956-63-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1956-64-0x0000000000416E30-mapping.dmp

Download
memory/1956-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1956-67-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1956-62-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1956-60-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1956-57-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1956-55-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2040-71-0x0000000000000000-mapping.dmp

Download
memory/2040-72-0x0000000000080000-0x00000000000A4000-memory.dmp

Filesize
144KB

Download
memory/2040-75-0x0000000000080000-0x00000000000A4000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads