b0352074c6f0556acf2215aa41e485085b1c7561f645f1d314a570acd31ccc1b

Analysis

max time kernel
148s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 11:47

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General

Target

2014-12-22 #32/39ba57532da96906e6ddbe8669011e76.exe
Size

136KB
MD5

39ba57532da96906e6ddbe8669011e76
SHA1

36188c577a00f77814932f440bb53888c0a5829d
SHA256

d200f44c86db4773993473537f2ea254dd1f29f12d4fb3fc594662eb67d0bab8
SHA512

f8060093a3f4f75b998fde4b4e9abb0dd55f6cb1889fdd511afc194a06e712c2ac2e7150e68aec5b453ab41f03fd4706d3df741f65a71b07de9f03d854a8457d
SSDEEP

1536:5ju/Zx4SGUCjwsTYsUpA/MaVlMPiQHqN7jiojy4ftroTAkIESzV1QeIw98Bk0OAp:iZWlCpMQHIu6yaFZkIECQeIQ8Bk2p

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Trojan.exe

pid process

676 Trojan.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1940 netsh.exe

pid	process
676	Trojan.exe

pid	process
1940	netsh.exe

Drops startup file 2 IoCs

Processes:

Trojan.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Drops file in Windows directory 2 IoCs

Processes:

39ba57532da96906e6ddbe8669011e76.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	39ba57532da96906e6ddbe8669011e76.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	39ba57532da96906e6ddbe8669011e76.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

Processes:

Trojan.exe

pid process

676 Trojan.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trojan.exe

description pid process

Token: SeDebugPrivilege 676 Trojan.exe

pid	process
676	Trojan.exe

description	pid	process
Token: SeDebugPrivilege	676	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

39ba57532da96906e6ddbe8669011e76.exeTrojan.exe

description	pid	process	target process
PID 1500 wrote to memory of 676	1500	39ba57532da96906e6ddbe8669011e76.exe	Trojan.exe
PID 1500 wrote to memory of 676	1500	39ba57532da96906e6ddbe8669011e76.exe	Trojan.exe
PID 1500 wrote to memory of 676	1500	39ba57532da96906e6ddbe8669011e76.exe	Trojan.exe
PID 676 wrote to memory of 1940	676	Trojan.exe	netsh.exe
PID 676 wrote to memory of 1940	676	Trojan.exe	netsh.exe
PID 676 wrote to memory of 1940	676	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2014-12-22 #32\39ba57532da96906e6ddbe8669011e76.exe
"C:\Users\Admin\AppData\Local\Temp\2014-12-22 #32\39ba57532da96906e6ddbe8669011e76.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.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:676
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
136KB

MD5
39ba57532da96906e6ddbe8669011e76

SHA1
36188c577a00f77814932f440bb53888c0a5829d

SHA256
d200f44c86db4773993473537f2ea254dd1f29f12d4fb3fc594662eb67d0bab8

SHA512
f8060093a3f4f75b998fde4b4e9abb0dd55f6cb1889fdd511afc194a06e712c2ac2e7150e68aec5b453ab41f03fd4706d3df741f65a71b07de9f03d854a8457d

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

Filesize
136KB

MD5
39ba57532da96906e6ddbe8669011e76

SHA1
36188c577a00f77814932f440bb53888c0a5829d

SHA256
d200f44c86db4773993473537f2ea254dd1f29f12d4fb3fc594662eb67d0bab8

SHA512
f8060093a3f4f75b998fde4b4e9abb0dd55f6cb1889fdd511afc194a06e712c2ac2e7150e68aec5b453ab41f03fd4706d3df741f65a71b07de9f03d854a8457d

Download Submit
memory/676-57-0x0000000000000000-mapping.dmp

Download
memory/676-60-0x000007FEF4310000-0x000007FEF4D33000-memory.dmp

Filesize
10.1MB

Download
memory/676-61-0x000007FEF2590000-0x000007FEF3626000-memory.dmp

Filesize
16.6MB

Download
memory/1500-54-0x000007FEF4310000-0x000007FEF4D33000-memory.dmp

Filesize
10.1MB

Download
memory/1500-55-0x000007FEF2590000-0x000007FEF3626000-memory.dmp

Filesize
16.6MB

Download
memory/1500-56-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download
memory/1940-62-0x0000000000000000-mapping.dmp

Download