5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66

General

Target

5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe
Size

63KB
MD5

9b10c6bc67c04086df0dfd3e22f3c0d5
SHA1

0da23d032cca16ad80ade0fa15dffa52de09ea0b
SHA256

5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66
SHA512

90c912eddfe8949aedd343494f9403cc0ebe74d9a8e5c1e786227edff73d1cb171729f4213bfffa5f76efff5a80328ddcfdbfc8c2d13a9d2760835cfe17adc8b
SSDEEP

768:tUxXVIbD41kpZf9G9laDgKsTvFZG4OPkpE9EgJLPWmrrlPsXg6F0P4YnBgBLm9Cd:emQS2INSC4ekunRrr+ELBghm94ck1

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

Tempserver.exewindows.exe

pid process

112 Tempserver.exe
1392 windows.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1440 netsh.exe

pid	process
112	Tempserver.exe
1392	windows.exe

pid	process
1440	netsh.exe

Drops startup file 2 IoCs

Processes:

windows.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\225659c6fa2732024934dc96358cf4cb.exe	windows.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\225659c6fa2732024934dc96358cf4cb.exe	windows.exe

Loads dropped DLL 1 IoCs

Processes:

Tempserver.exe

pid process

112 Tempserver.exe

pid	process
112	Tempserver.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

windows.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\225659c6fa2732024934dc96358cf4cb = "\"C:\\Users\\Admin\\AppData\\Roaming\\windows.exe\" .."	windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\225659c6fa2732024934dc96358cf4cb = "\"C:\\Users\\Admin\\AppData\\Roaming\\windows.exe\" .."	windows.exe

Drops file in Windows directory 2 IoCs

Processes:

5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.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 2 IoCs

Processes:

windows.exe

pid process

1392 windows.exe
1392 windows.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

windows.exe

description pid process

Token: SeDebugPrivilege 1392 windows.exe

pid	process
1392	windows.exe
1392	windows.exe

description	pid	process
Token: SeDebugPrivilege	1392	windows.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exeTempserver.exewindows.exe

description	pid	process	target process
PID 2044 wrote to memory of 112	2044	5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe	Tempserver.exe
PID 2044 wrote to memory of 112	2044	5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe	Tempserver.exe
PID 2044 wrote to memory of 112	2044	5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe	Tempserver.exe
PID 2044 wrote to memory of 112	2044	5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe	Tempserver.exe
PID 112 wrote to memory of 1392	112	Tempserver.exe	windows.exe
PID 112 wrote to memory of 1392	112	Tempserver.exe	windows.exe
PID 112 wrote to memory of 1392	112	Tempserver.exe	windows.exe
PID 112 wrote to memory of 1392	112	Tempserver.exe	windows.exe
PID 1392 wrote to memory of 1440	1392	windows.exe	netsh.exe
PID 1392 wrote to memory of 1440	1392	windows.exe	netsh.exe
PID 1392 wrote to memory of 1440	1392	windows.exe	netsh.exe
PID 1392 wrote to memory of 1440	1392	windows.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe
"C:\Users\Admin\AppData\Local\Temp\5fc654741cc610a02251d82dee0b3333373586d9646f1c2a4b0dd411cf026d66.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Tempserver.exe
"C:\Users\Admin\AppData\Local\Tempserver.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:112

C:\Users\Admin\AppData\Roaming\windows.exe
"C:\Users\Admin\AppData\Roaming\windows.exe"
3⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\windows.exe" "windows.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:1440

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Tempserver.exe
Filesize
43KB

MD5
9e282b319fc10cfc8b80777285aef4f6

SHA1
d2cf5ab312686f0378d9d64a9e65ecefdc1e5a88

SHA256
1476d634e65bb912f9245576294633e20c7c74fbd1574bcaf1cfa11716ae3e34

SHA512
c7a86b7e4a38a670ee3d095f93a7920224fa8bc076d4ee068c36cda0198029e602e785cb542d97deae798c0750dbbbef2cc02ebf3d3386c3599202ff98345641

Download Submit
C:\Users\Admin\AppData\Local\Tempserver.exe
Filesize
43KB

MD5
9e282b319fc10cfc8b80777285aef4f6

SHA1
d2cf5ab312686f0378d9d64a9e65ecefdc1e5a88

SHA256
1476d634e65bb912f9245576294633e20c7c74fbd1574bcaf1cfa11716ae3e34

SHA512
c7a86b7e4a38a670ee3d095f93a7920224fa8bc076d4ee068c36cda0198029e602e785cb542d97deae798c0750dbbbef2cc02ebf3d3386c3599202ff98345641

Download Submit
C:\Users\Admin\AppData\Roaming\windows.exe
Filesize
43KB

MD5
9e282b319fc10cfc8b80777285aef4f6

SHA1
d2cf5ab312686f0378d9d64a9e65ecefdc1e5a88

SHA256
1476d634e65bb912f9245576294633e20c7c74fbd1574bcaf1cfa11716ae3e34

SHA512
c7a86b7e4a38a670ee3d095f93a7920224fa8bc076d4ee068c36cda0198029e602e785cb542d97deae798c0750dbbbef2cc02ebf3d3386c3599202ff98345641

Download Submit
C:\Users\Admin\AppData\Roaming\windows.exe
Filesize
43KB

MD5
9e282b319fc10cfc8b80777285aef4f6

SHA1
d2cf5ab312686f0378d9d64a9e65ecefdc1e5a88

SHA256
1476d634e65bb912f9245576294633e20c7c74fbd1574bcaf1cfa11716ae3e34

SHA512
c7a86b7e4a38a670ee3d095f93a7920224fa8bc076d4ee068c36cda0198029e602e785cb542d97deae798c0750dbbbef2cc02ebf3d3386c3599202ff98345641

Download Submit
\Users\Admin\AppData\Roaming\windows.exe
Filesize
43KB

MD5
9e282b319fc10cfc8b80777285aef4f6

SHA1
d2cf5ab312686f0378d9d64a9e65ecefdc1e5a88

SHA256
1476d634e65bb912f9245576294633e20c7c74fbd1574bcaf1cfa11716ae3e34

SHA512
c7a86b7e4a38a670ee3d095f93a7920224fa8bc076d4ee068c36cda0198029e602e785cb542d97deae798c0750dbbbef2cc02ebf3d3386c3599202ff98345641

Download Submit
memory/112-59-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/112-61-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/112-56-0x0000000000000000-mapping.dmp

Download
memory/112-67-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/1392-63-0x0000000000000000-mapping.dmp

Download
memory/1392-69-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/1392-71-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/1440-68-0x0000000000000000-mapping.dmp

Download
memory/2044-60-0x0000000000B26000-0x0000000000B45000-memory.dmp

Filesize
124KB

Download
memory/2044-54-0x000007FEF3EF0000-0x000007FEF4913000-memory.dmp

Filesize
10.1MB

Download
memory/2044-55-0x000007FEEDE40000-0x000007FEEEED6000-memory.dmp

Filesize
16.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads