6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261

General

Target

6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261.exe
Size

59KB
MD5

d2dff3b78b10e57635b077a4493381e0
SHA1

f7a40815fc6510532b28d6831ca71aeaf37bbd21
SHA256

6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261
SHA512

35b9ac3b5f047d3a07fb121af856222238f8e96c30797bc48d8c5a1aa242e136132410cce789ed468fe6fc199d104aace6d291b845f3a576bfb705bf1e5ac3bd
SSDEEP

768:OvVuwN4RSiKxVFZ8hk6GPXYrCNU+NUU3wbTXtP/9U4WI0:2VuwN4NKxVFNAmNbLgnXtXxW5

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Chrome Update.exe

pid process

940 Chrome Update.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1924 netsh.exe

pid	process
940	Chrome Update.exe

pid	process
1924	netsh.exe

Drops startup file 2 IoCs

Processes:

Chrome Update.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e6683cf2ad17e5b3bc7764889546baaf.exe	Chrome Update.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e6683cf2ad17e5b3bc7764889546baaf.exe	Chrome Update.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Chrome Update.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\e6683cf2ad17e5b3bc7764889546baaf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chrome Update.exe\" .."	Chrome Update.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e6683cf2ad17e5b3bc7764889546baaf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chrome Update.exe\" .."	Chrome Update.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

Chrome Update.exe

description	pid	process
Token: SeDebugPrivilege	940	Chrome Update.exe
Token: 33	940	Chrome Update.exe
Token: SeIncBasePriorityPrivilege	940	Chrome Update.exe
Token: 33	940	Chrome Update.exe
Token: SeIncBasePriorityPrivilege	940	Chrome Update.exe
Token: 33	940	Chrome Update.exe
Token: SeIncBasePriorityPrivilege	940	Chrome Update.exe
Token: 33	940	Chrome Update.exe
Token: SeIncBasePriorityPrivilege	940	Chrome Update.exe
Token: 33	940	Chrome Update.exe
Token: SeIncBasePriorityPrivilege	940	Chrome Update.exe
Token: 33	940	Chrome Update.exe
Token: SeIncBasePriorityPrivilege	940	Chrome Update.exe
Token: 33	940	Chrome Update.exe
Token: SeIncBasePriorityPrivilege	940	Chrome Update.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261.exeChrome Update.exe

description	pid	process	target process
PID 1620 wrote to memory of 940	1620	6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261.exe	Chrome Update.exe
PID 1620 wrote to memory of 940	1620	6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261.exe	Chrome Update.exe
PID 1620 wrote to memory of 940	1620	6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261.exe	Chrome Update.exe
PID 940 wrote to memory of 1924	940	Chrome Update.exe	netsh.exe
PID 940 wrote to memory of 1924	940	Chrome Update.exe	netsh.exe
PID 940 wrote to memory of 1924	940	Chrome Update.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261.exe
"C:\Users\Admin\AppData\Local\Temp\6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1620

C:\Users\Admin\AppData\Roaming\Chrome Update.exe
"C:\Users\Admin\AppData\Roaming\Chrome Update.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Chrome Update.exe" "Chrome Update.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Chrome Update.exe
Filesize
59KB

MD5
d2dff3b78b10e57635b077a4493381e0

SHA1
f7a40815fc6510532b28d6831ca71aeaf37bbd21

SHA256
6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261

SHA512
35b9ac3b5f047d3a07fb121af856222238f8e96c30797bc48d8c5a1aa242e136132410cce789ed468fe6fc199d104aace6d291b845f3a576bfb705bf1e5ac3bd

Download Submit
C:\Users\Admin\AppData\Roaming\Chrome Update.exe
Filesize
59KB

MD5
d2dff3b78b10e57635b077a4493381e0

SHA1
f7a40815fc6510532b28d6831ca71aeaf37bbd21

SHA256
6126a6b258c310c99c68f19b325042fbe462619b3b0ddf25498b04f172fbc261

SHA512
35b9ac3b5f047d3a07fb121af856222238f8e96c30797bc48d8c5a1aa242e136132410cce789ed468fe6fc199d104aace6d291b845f3a576bfb705bf1e5ac3bd

Download Submit
memory/940-60-0x000007FEF4710000-0x000007FEF5133000-memory.dmp

Filesize
10.1MB

Download
memory/940-57-0x0000000000000000-mapping.dmp

Download
memory/940-61-0x000007FEF3670000-0x000007FEF4706000-memory.dmp

Filesize
16.6MB

Download
memory/940-62-0x0000000000A96000-0x0000000000AB5000-memory.dmp

Filesize
124KB

Download
memory/940-65-0x0000000000A96000-0x0000000000AB5000-memory.dmp

Filesize
124KB

Download
memory/1620-56-0x0000000000B96000-0x0000000000BB5000-memory.dmp

Filesize
124KB

Download
memory/1620-55-0x000007FEF3670000-0x000007FEF4706000-memory.dmp

Filesize
16.6MB

Download
memory/1620-54-0x000007FEF4710000-0x000007FEF5133000-memory.dmp

Filesize
10.1MB

Download
memory/1620-63-0x0000000000B96000-0x0000000000BB5000-memory.dmp

Filesize
124KB

Download
memory/1620-64-0x0000000000B96000-0x0000000000BB5000-memory.dmp

Filesize
124KB

Download
memory/1924-66-0x0000000000000000-mapping.dmp

Download
memory/1924-67-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads