9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28

General

Target

9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe
Size

179KB
MD5

65e6d30f2d5c7e95d9b50e958954cd80
SHA1

027b6b015178cf38ce946e339a3cab5751e1e466
SHA256

9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28
SHA512

045f1606068625eb6f9a5daf7b47465bea95187215d9d7ed9175f43bc49a1e520fbd339504cc33b67aca01e65430c091091137b5e57f088150d503daf56f6e0d
SSDEEP

3072:HBya8lMwvKbOVstJlhbBtc5gnOYTcefZw3qlVyPQEkrmHHr4:LQvKg5gV63fQVSHs

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1648	dll.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1108	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\419a8932a3359595f4c51888b15af786 = "\"C:\\Windows\\dll.exe\" .."	dll.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\419a8932a3359595f4c51888b15af786 = "\"C:\\Windows\\dll.exe\" .."	dll.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\dll.exe	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.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 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1584	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe
Token: 33	1584	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe
Token: SeIncBasePriorityPrivilege	1584	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe
Token: SeDebugPrivilege	1648	dll.exe
Token: 33	1648	dll.exe
Token: SeIncBasePriorityPrivilege	1648	dll.exe
Token: 33	1648	dll.exe
Token: SeIncBasePriorityPrivilege	1648	dll.exe
Token: 33	1648	dll.exe
Token: SeIncBasePriorityPrivilege	1648	dll.exe
Token: 33	1648	dll.exe
Token: SeIncBasePriorityPrivilege	1648	dll.exe
Token: 33	1648	dll.exe
Token: SeIncBasePriorityPrivilege	1648	dll.exe
Token: 33	1648	dll.exe
Token: SeIncBasePriorityPrivilege	1648	dll.exe
Token: 33	1648	dll.exe
Token: SeIncBasePriorityPrivilege	1648	dll.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 1648	1584	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe	26
PID 1584 wrote to memory of 1648	1584	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe	26
PID 1584 wrote to memory of 1648	1584	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe	26
PID 1584 wrote to memory of 1648	1584	9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe	26
PID 1648 wrote to memory of 1108	1648	dll.exe	27
PID 1648 wrote to memory of 1108	1648	dll.exe	27
PID 1648 wrote to memory of 1108	1648	dll.exe	27
PID 1648 wrote to memory of 1108	1648	dll.exe	27

C:\Users\Admin\AppData\Local\Temp\9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe
"C:\Users\Admin\AppData\Local\Temp\9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Windows\dll.exe
  "C:\Windows\dll.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\dll.exe" "dll.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1108

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

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Downloads

C:\Windows\dll.exe

Filesize
179KB

MD5
65e6d30f2d5c7e95d9b50e958954cd80

SHA1
027b6b015178cf38ce946e339a3cab5751e1e466

SHA256
9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28

SHA512
045f1606068625eb6f9a5daf7b47465bea95187215d9d7ed9175f43bc49a1e520fbd339504cc33b67aca01e65430c091091137b5e57f088150d503daf56f6e0d

Download Submit
C:\Windows\dll.exe

Filesize
179KB

MD5
65e6d30f2d5c7e95d9b50e958954cd80

SHA1
027b6b015178cf38ce946e339a3cab5751e1e466

SHA256
9b595740e4043b58c8bb54bf19a5e6cb3174e9e86723ad7bc537f7bf77d0fa28

SHA512
045f1606068625eb6f9a5daf7b47465bea95187215d9d7ed9175f43bc49a1e520fbd339504cc33b67aca01e65430c091091137b5e57f088150d503daf56f6e0d

Download Submit
memory/1584-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

Filesize
8KB

Download
memory/1584-55-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1584-56-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1584-62-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1648-61-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1648-64-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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