35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94

General

Target

35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.exe
Size

138KB
MD5

70478ed4820b01390d1f287f877d0f64
SHA1

59e47f5784a026059815cfd7009d13033b474765
SHA256

35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94
SHA512

8dad02ec2fbbed1cd561b35286cc93b6a58e2cac6d30a226b11e91ab1c4dbcb104408e0b37d8746770dff805845795feb6984d6487cc8bdfbbeb2d09f1b31a10
SSDEEP

1536:GgXG5iF/ccZu8AWenO81fdTd2dwuJlyyjEYzui3:Gg28FZu/WeOOuJzj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1120	lsass.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1412	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ef6805c25b5a2f877bc96e021971597e.exe	lsass.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ef6805c25b5a2f877bc96e021971597e.exe	lsass.exe

Loads dropped DLL 1 IoCs

pid	Process
1448	35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ef6805c25b5a2f877bc96e021971597e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\lsass.exe\" .."	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ef6805c25b5a2f877bc96e021971597e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\lsass.exe\" .."	lsass.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1120	lsass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	lsass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1120	1448	35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.exe	27
PID 1448 wrote to memory of 1120	1448	35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.exe	27
PID 1448 wrote to memory of 1120	1448	35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.exe	27
PID 1448 wrote to memory of 1120	1448	35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.exe	27
PID 1120 wrote to memory of 1412	1120	lsass.exe	28
PID 1120 wrote to memory of 1412	1120	lsass.exe	28
PID 1120 wrote to memory of 1412	1120	lsass.exe	28
PID 1120 wrote to memory of 1412	1120	lsass.exe	28

C:\Users\Admin\AppData\Local\Temp\35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.exe
"C:\Users\Admin\AppData\Local\Temp\35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\lsass.exe
  "C:\Users\Admin\AppData\Local\Temp\lsass.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\lsass.exe" "lsass.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1412

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:\Users\Admin\AppData\Local\Temp\lsass.exe

Filesize
138KB

MD5
70478ed4820b01390d1f287f877d0f64

SHA1
59e47f5784a026059815cfd7009d13033b474765

SHA256
35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94

SHA512
8dad02ec2fbbed1cd561b35286cc93b6a58e2cac6d30a226b11e91ab1c4dbcb104408e0b37d8746770dff805845795feb6984d6487cc8bdfbbeb2d09f1b31a10

Download Submit
C:\Users\Admin\AppData\Local\Temp\lsass.exe

Filesize
138KB

MD5
70478ed4820b01390d1f287f877d0f64

SHA1
59e47f5784a026059815cfd7009d13033b474765

SHA256
35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94

SHA512
8dad02ec2fbbed1cd561b35286cc93b6a58e2cac6d30a226b11e91ab1c4dbcb104408e0b37d8746770dff805845795feb6984d6487cc8bdfbbeb2d09f1b31a10

Download Submit
\Users\Admin\AppData\Local\Temp\lsass.exe

Filesize
138KB

MD5
70478ed4820b01390d1f287f877d0f64

SHA1
59e47f5784a026059815cfd7009d13033b474765

SHA256
35e8cdcbb44d188053b8fd890e5e41fae8de9f7977bc981d137c336de74fcb94

SHA512
8dad02ec2fbbed1cd561b35286cc93b6a58e2cac6d30a226b11e91ab1c4dbcb104408e0b37d8746770dff805845795feb6984d6487cc8bdfbbeb2d09f1b31a10

Download Submit
memory/1120-56-0x0000000000000000-mapping.dmp

Download
memory/1120-63-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1120-64-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1412-60-0x0000000000000000-mapping.dmp

Download
memory/1448-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1448-61-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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