c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d

General

Target

c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe
Size

534KB
MD5

d40ac2e569fa68fa0bb8a4174cade913
SHA1

c5671c34df1366dede12175e1f4764810a50f78f
SHA256

c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d
SHA512

45ad244f2bf1765d53f96d53f31129b26311f848688232822791032c49825c488835f2e1fbd8d87377758f20d81081c70e3d32a088cd0e0ae476109d1200855a

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

dllhost.exe

pid process

3496 dllhost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1276 netsh.exe

pid	process
1276	netsh.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:

c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe

Drops startup file 2 IoCs

Processes:

dllhost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c2372ce2aec065ce2621c091aa8fb2a0.exe	dllhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c2372ce2aec065ce2621c091aa8fb2a0.exe	dllhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c2372ce2aec065ce2621c091aa8fb2a0 = "\"C:\\Users\\Admin\\dllhost.exe\" .."	dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c2372ce2aec065ce2621c091aa8fb2a0 = "\"C:\\Users\\Admin\\dllhost.exe\" .."	dllhost.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 27 IoCs

Processes:

dllhost.exe

pid	process
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe
3496	dllhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dllhost.exe

description pid process

Token: SeDebugPrivilege 3496 dllhost.exe

description	pid	process
Token: SeDebugPrivilege	3496	dllhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exedllhost.exe

description	pid	process	target process
PID 4620 wrote to memory of 3496	4620	c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe	dllhost.exe
PID 4620 wrote to memory of 3496	4620	c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe	dllhost.exe
PID 4620 wrote to memory of 3496	4620	c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe	dllhost.exe
PID 3496 wrote to memory of 1276	3496	dllhost.exe	netsh.exe
PID 3496 wrote to memory of 1276	3496	dllhost.exe	netsh.exe
PID 3496 wrote to memory of 1276	3496	dllhost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe
"C:\Users\Admin\AppData\Local\Temp\c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4620

C:\Users\Admin\dllhost.exe
"C:\Users\Admin\dllhost.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:3496

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\dllhost.exe" "dllhost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1276

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\dllhost.exe
Filesize
534KB

MD5
d40ac2e569fa68fa0bb8a4174cade913

SHA1
c5671c34df1366dede12175e1f4764810a50f78f

SHA256
c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d

SHA512
45ad244f2bf1765d53f96d53f31129b26311f848688232822791032c49825c488835f2e1fbd8d87377758f20d81081c70e3d32a088cd0e0ae476109d1200855a

Download Submit
C:\Users\Admin\dllhost.exe
Filesize
534KB

MD5
d40ac2e569fa68fa0bb8a4174cade913

SHA1
c5671c34df1366dede12175e1f4764810a50f78f

SHA256
c4f47067013e3c7ac4fb0ce8457b69a71b073d8f10155e39aaea0c5e5eb7000d

SHA512
45ad244f2bf1765d53f96d53f31129b26311f848688232822791032c49825c488835f2e1fbd8d87377758f20d81081c70e3d32a088cd0e0ae476109d1200855a

Download Submit
memory/1276-136-0x0000000000000000-mapping.dmp

Download
memory/3496-133-0x0000000000000000-mapping.dmp

Download
memory/3496-137-0x0000000005CB0000-0x0000000005D42000-memory.dmp

Filesize
584KB

Download
memory/3496-138-0x0000000005D80000-0x0000000005D8A000-memory.dmp

Filesize
40KB

Download
memory/4620-130-0x00000000008A0000-0x000000000092C000-memory.dmp

Filesize
560KB

Download
memory/4620-131-0x0000000005330000-0x00000000053CC000-memory.dmp

Filesize
624KB

Download
memory/4620-132-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads