62761233916dc6c5b89f4719f7a4b3873b82ff2c25d5b38b0b4a63bf2469d5f0

General

Target

c5d26ebd0fe9643c0c7db0e3680b9e7f.exe
Size

37KB
MD5

c5d26ebd0fe9643c0c7db0e3680b9e7f
SHA1

d570c8b9c6ba24f0443c9dae8d41569532bacd3d
SHA256

62761233916dc6c5b89f4719f7a4b3873b82ff2c25d5b38b0b4a63bf2469d5f0
SHA512

98c358ef221c4a7517da9cb9013474586dcc4c7dfbf571ec220733f81a70143352e7e21fecb0d82901049cce2d7a2082a6da42e0b4df58565f1a1638296725f6

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

1136 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1136	server.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\abff0c6fbd118b18a9c44666e25f1d7b.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\abff0c6fbd118b18a9c44666e25f1d7b.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

c5d26ebd0fe9643c0c7db0e3680b9e7f.exe

pid process

1100 c5d26ebd0fe9643c0c7db0e3680b9e7f.exe

pid	process
1100	c5d26ebd0fe9643c0c7db0e3680b9e7f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\abff0c6fbd118b18a9c44666e25f1d7b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\abff0c6fbd118b18a9c44666e25f1d7b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.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 31 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe
Token: 33	1136	server.exe
Token: SeIncBasePriorityPrivilege	1136	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c5d26ebd0fe9643c0c7db0e3680b9e7f.exeserver.exe

description	pid	process	target process
PID 1100 wrote to memory of 1136	1100	c5d26ebd0fe9643c0c7db0e3680b9e7f.exe	server.exe
PID 1100 wrote to memory of 1136	1100	c5d26ebd0fe9643c0c7db0e3680b9e7f.exe	server.exe
PID 1100 wrote to memory of 1136	1100	c5d26ebd0fe9643c0c7db0e3680b9e7f.exe	server.exe
PID 1100 wrote to memory of 1136	1100	c5d26ebd0fe9643c0c7db0e3680b9e7f.exe	server.exe
PID 1136 wrote to memory of 1656	1136	server.exe	netsh.exe
PID 1136 wrote to memory of 1656	1136	server.exe	netsh.exe
PID 1136 wrote to memory of 1656	1136	server.exe	netsh.exe
PID 1136 wrote to memory of 1656	1136	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\c5d26ebd0fe9643c0c7db0e3680b9e7f.exe
"C:\Users\Admin\AppData\Local\Temp\c5d26ebd0fe9643c0c7db0e3680b9e7f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1136

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
3⤵
PID:1656

Network

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

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe
MD5
c5d26ebd0fe9643c0c7db0e3680b9e7f

SHA1
d570c8b9c6ba24f0443c9dae8d41569532bacd3d

SHA256
62761233916dc6c5b89f4719f7a4b3873b82ff2c25d5b38b0b4a63bf2469d5f0

SHA512
98c358ef221c4a7517da9cb9013474586dcc4c7dfbf571ec220733f81a70143352e7e21fecb0d82901049cce2d7a2082a6da42e0b4df58565f1a1638296725f6

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
MD5
c5d26ebd0fe9643c0c7db0e3680b9e7f

SHA1
d570c8b9c6ba24f0443c9dae8d41569532bacd3d

SHA256
62761233916dc6c5b89f4719f7a4b3873b82ff2c25d5b38b0b4a63bf2469d5f0

SHA512
98c358ef221c4a7517da9cb9013474586dcc4c7dfbf571ec220733f81a70143352e7e21fecb0d82901049cce2d7a2082a6da42e0b4df58565f1a1638296725f6

Download Submit
\Users\Admin\AppData\Roaming\server.exe
MD5
c5d26ebd0fe9643c0c7db0e3680b9e7f

SHA1
d570c8b9c6ba24f0443c9dae8d41569532bacd3d

SHA256
62761233916dc6c5b89f4719f7a4b3873b82ff2c25d5b38b0b4a63bf2469d5f0

SHA512
98c358ef221c4a7517da9cb9013474586dcc4c7dfbf571ec220733f81a70143352e7e21fecb0d82901049cce2d7a2082a6da42e0b4df58565f1a1638296725f6

Download Submit
memory/1100-59-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1100-60-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/1136-62-0x0000000000000000-mapping.dmp

Download
memory/1136-66-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/1656-67-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads