dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8

General

Target

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
Size

253KB
MD5

1036b6d4cdaabe37f07fefa45960ab89
SHA1

a73bce26edc400e6c22e5b26ef0ad3405e30daff
SHA256

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8
SHA512

9e3b3ed71955f96524fb038e1b2352613554057e298dbe6887f39842a09f9646ac0f5236118f3a82a5883aaa2413a1ec65bb95247c6694fb5dae414527c700c0
SSDEEP

1536:agqAdpz/J0VRbq49YTPKdVwd1csbPSpaLDijpeqO03jgBkk04W7ciWhrcczu9239:9dcH3aEVQ1c8S4L+p25kbTaBu0bhdLb

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

server.exeserver.exe

pid process

5040 server.exe
3836 server.exe

pid	process
5040	server.exe
3836	server.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\servers.exe = "\"C:\\windows\\server.exe\""	server.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exeserver.exe

description	pid	process	target process
PID 4676 set thread context of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 5040 set thread context of 3836	5040	server.exe	server.exe

Drops file in Windows directory 2 IoCs

Processes:

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe

description	ioc	process
File created	\??\c:\windows\server.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
File opened for modification	\??\c:\windows\server.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.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 4 IoCs

Processes:

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exeserver.exe

pid	process
4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
5040	server.exe
5040	server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exeserver.exe

description	pid	process
Token: SeDebugPrivilege	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
Token: SeDebugPrivilege	5040	server.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exedc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exeserver.exe

description	pid	process	target process
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 4676 wrote to memory of 3636	4676	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
PID 3636 wrote to memory of 5040	3636	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	server.exe
PID 3636 wrote to memory of 5040	3636	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	server.exe
PID 3636 wrote to memory of 5040	3636	dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe
PID 5040 wrote to memory of 3836	5040	server.exe	server.exe

C:\Users\Admin\AppData\Local\Temp\dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
"C:\Users\Admin\AppData\Local\Temp\dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676

C:\Users\Admin\AppData\Local\Temp\dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe
"C:\Users\Admin\AppData\Local\Temp\dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8.exe"
2⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3636

C:\windows\server.exe
"C:\windows\server.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040

C:\windows\server.exe
"C:\windows\server.exe"
4⤵
- Executes dropped EXE
- Adds Run key to start application
PID:3836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\server.exe

Filesize
253KB

MD5
1036b6d4cdaabe37f07fefa45960ab89

SHA1
a73bce26edc400e6c22e5b26ef0ad3405e30daff

SHA256
dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8

SHA512
9e3b3ed71955f96524fb038e1b2352613554057e298dbe6887f39842a09f9646ac0f5236118f3a82a5883aaa2413a1ec65bb95247c6694fb5dae414527c700c0

Download Submit
C:\Windows\server.exe

Filesize
253KB

MD5
1036b6d4cdaabe37f07fefa45960ab89

SHA1
a73bce26edc400e6c22e5b26ef0ad3405e30daff

SHA256
dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8

SHA512
9e3b3ed71955f96524fb038e1b2352613554057e298dbe6887f39842a09f9646ac0f5236118f3a82a5883aaa2413a1ec65bb95247c6694fb5dae414527c700c0

Download Submit
C:\windows\server.exe

Filesize
253KB

MD5
1036b6d4cdaabe37f07fefa45960ab89

SHA1
a73bce26edc400e6c22e5b26ef0ad3405e30daff

SHA256
dc6887d3acfab014ce939d2f332aac94fe916b41aaf3238d940a76e8b3bfa3a8

SHA512
9e3b3ed71955f96524fb038e1b2352613554057e298dbe6887f39842a09f9646ac0f5236118f3a82a5883aaa2413a1ec65bb95247c6694fb5dae414527c700c0

Download Submit
memory/3636-137-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3636-139-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3636-134-0x0000000000000000-mapping.dmp

Download
memory/3636-135-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3836-144-0x0000000000000000-mapping.dmp

Download
memory/3836-148-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3836-150-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4676-138-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/4676-133-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/4676-132-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/5040-140-0x0000000000000000-mapping.dmp

Download
memory/5040-143-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/5040-149-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads