654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae

General

Target

654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae.exe
Size

363KB
MD5

bd6ef7a2a1fb944e6f00bac58f022014
SHA1

f8d86fccd8111b75c1ab6f21139f6d4f92bf0a60
SHA256

654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae
SHA512

0374e99bfcfbc6b20224b93e6d80d4f27fbb85976589242d5e2369f0087be942e05ae03ff5320707af97fceb0092d08d3caf241bc6004e13d6261ea7b49574ab
SSDEEP

3072:eNt/xAxJUJ9aS85+GxQkYRuKJJJJJJKJJJJJJJJJhnArCoc3FTCxZCJJN:eN/6D+mQkTef

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
688	%TEMP%.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1228	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9d00b1f28d93e1e3029018d1ee5e5139.exe	%TEMP%.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9d00b1f28d93e1e3029018d1ee5e5139.exe	%TEMP%.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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\9d00b1f28d93e1e3029018d1ee5e5139 = "\"C:\\ProgramData\\%TEMP%.exe\" .."	%TEMP%.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9d00b1f28d93e1e3029018d1ee5e5139 = "\"C:\\ProgramData\\%TEMP%.exe\" .."	%TEMP%.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

description	pid	Process
Token: SeDebugPrivilege	688	%TEMP%.exe
Token: 33	688	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	688	%TEMP%.exe
Token: 33	688	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	688	%TEMP%.exe
Token: 33	688	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	688	%TEMP%.exe
Token: 33	688	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	688	%TEMP%.exe
Token: 33	688	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	688	%TEMP%.exe
Token: 33	688	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	688	%TEMP%.exe
Token: 33	688	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	688	%TEMP%.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 688	1440	654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae.exe	28
PID 1440 wrote to memory of 688	1440	654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae.exe	28
PID 1440 wrote to memory of 688	1440	654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae.exe	28
PID 688 wrote to memory of 1228	688	%TEMP%.exe	29
PID 688 wrote to memory of 1228	688	%TEMP%.exe	29
PID 688 wrote to memory of 1228	688	%TEMP%.exe	29

C:\Users\Admin\AppData\Local\Temp\654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae.exe
"C:\Users\Admin\AppData\Local\Temp\654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1440
- C:\ProgramData\%TEMP%.exe
  "C:\ProgramData\%TEMP%.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:688
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\%TEMP%.exe" "%TEMP%.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1228

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:\ProgramData\%TEMP%.exe

Filesize
363KB

MD5
bd6ef7a2a1fb944e6f00bac58f022014

SHA1
f8d86fccd8111b75c1ab6f21139f6d4f92bf0a60

SHA256
654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae

SHA512
0374e99bfcfbc6b20224b93e6d80d4f27fbb85976589242d5e2369f0087be942e05ae03ff5320707af97fceb0092d08d3caf241bc6004e13d6261ea7b49574ab

Download Submit
C:\ProgramData\%TEMP%.exe

Filesize
363KB

MD5
bd6ef7a2a1fb944e6f00bac58f022014

SHA1
f8d86fccd8111b75c1ab6f21139f6d4f92bf0a60

SHA256
654fb375b77fdf664901f3e4816c2a392b9f26efb7d31b20040077705d6e84ae

SHA512
0374e99bfcfbc6b20224b93e6d80d4f27fbb85976589242d5e2369f0087be942e05ae03ff5320707af97fceb0092d08d3caf241bc6004e13d6261ea7b49574ab

Download Submit
memory/688-63-0x0000000000A66000-0x0000000000A85000-memory.dmp

Filesize
124KB

Download
memory/688-61-0x000007FEF4070000-0x000007FEF4A93000-memory.dmp

Filesize
10.1MB

Download
memory/688-62-0x000007FEF2FD0000-0x000007FEF4066000-memory.dmp

Filesize
16.6MB

Download
memory/688-66-0x0000000000A66000-0x0000000000A85000-memory.dmp

Filesize
124KB

Download
memory/1228-65-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp

Filesize
8KB

Download
memory/1440-56-0x0000000002006000-0x0000000002025000-memory.dmp

Filesize
124KB

Download
memory/1440-55-0x000007FEF2FD0000-0x000007FEF4066000-memory.dmp

Filesize
16.6MB

Download
memory/1440-60-0x0000000002006000-0x0000000002025000-memory.dmp

Filesize
124KB

Download
memory/1440-54-0x000007FEF4070000-0x000007FEF4A93000-memory.dmp

Filesize
10.1MB

Download

Analysis

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