ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3

General

Target

ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe
Size

146KB
MD5

24a71f31d4a0d6b686a956068105d280
SHA1

da57a74da470fdecdb10066f2e582f388fc05ace
SHA256

ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3
SHA512

f85a94a17dc3d2f34cbce5dd8152c354f365befb1204df6581e706c8fa479b7f5c3ad8b319efc60463f7a7ce611352c25bdf569ababd09e8d172242b2e771f27
SSDEEP

1536:fK5VRJxT398vMcxotyeQgdpVgO6k0NgnjfaL/q1U56w/v0P50g3xY8le9jzK7tlm:avvaEcCXdugjfaL/q1vBbxRuw34/GZy

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
820	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1496	netsh.exe

Drops startup file 2 IoCs

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.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 8 IoCs

pid	Process
1436	ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe
820	Trojan.exe
820	Trojan.exe
820	Trojan.exe
820	Trojan.exe
820	Trojan.exe
820	Trojan.exe
820	Trojan.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe
Token: SeDebugPrivilege	820	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 820	1436	ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe	27
PID 1436 wrote to memory of 820	1436	ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe	27
PID 1436 wrote to memory of 820	1436	ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe	27
PID 820 wrote to memory of 1496	820	Trojan.exe	28
PID 820 wrote to memory of 1496	820	Trojan.exe	28
PID 820 wrote to memory of 1496	820	Trojan.exe	28

C:\Users\Admin\AppData\Local\Temp\ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe
"C:\Users\Admin\AppData\Local\Temp\ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436
- 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:820
- - 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:1496

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\Trojan.exe

Filesize
146KB

MD5
24a71f31d4a0d6b686a956068105d280

SHA1
da57a74da470fdecdb10066f2e582f388fc05ace

SHA256
ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3

SHA512
f85a94a17dc3d2f34cbce5dd8152c354f365befb1204df6581e706c8fa479b7f5c3ad8b319efc60463f7a7ce611352c25bdf569ababd09e8d172242b2e771f27

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

Filesize
146KB

MD5
24a71f31d4a0d6b686a956068105d280

SHA1
da57a74da470fdecdb10066f2e582f388fc05ace

SHA256
ee4df0d90e8f30fe427a964b21c19c709d2c76ac23bc5640d75fd9763c21ddf3

SHA512
f85a94a17dc3d2f34cbce5dd8152c354f365befb1204df6581e706c8fa479b7f5c3ad8b319efc60463f7a7ce611352c25bdf569ababd09e8d172242b2e771f27

Download Submit
memory/820-61-0x000007FEF3410000-0x000007FEF3E33000-memory.dmp

Filesize
10.1MB

Download
memory/820-67-0x0000000001F16000-0x0000000001F35000-memory.dmp

Filesize
124KB

Download
memory/820-65-0x0000000001F16000-0x0000000001F35000-memory.dmp

Filesize
124KB

Download
memory/820-62-0x000007FEF2370000-0x000007FEF3406000-memory.dmp

Filesize
16.6MB

Download
memory/1436-57-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

Download
memory/1436-54-0x000007FEF3410000-0x000007FEF3E33000-memory.dmp

Filesize
10.1MB

Download
memory/1436-56-0x0000000000BA6000-0x0000000000BC5000-memory.dmp

Filesize
124KB

Download
memory/1436-66-0x0000000000BA6000-0x0000000000BC5000-memory.dmp

Filesize
124KB

Download
memory/1436-55-0x000007FEF2370000-0x000007FEF3406000-memory.dmp

Filesize
16.6MB

Download

Analysis

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