ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02

General

Target

ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe
Size

43KB
MD5

10b81b54a24da1c7f4234b23714d5fbd
SHA1

0b37bef63fe87f1b9dd0203e331978be4ccd0c23
SHA256

ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02
SHA512

f7cb5bd8b004f33d9372c178f2f98dc2527dca369e3202f5455b9e160a1d6763c35675de8497e59fd0f47ef8f0ccdf313bdaca85a960467ffe45e00d338eb70b
SSDEEP

768:290XNR1zE4+hSTMxl2tQDmSbvQO+2d+L:290X/1zEaTsl2tQDXrk2dM

Score

7^/10

discovery persistence

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2484	Dllhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4612	ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe
2484	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe
Token: 33	2484	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2484	Dllhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 2484	4612	ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe	82
PID 4612 wrote to memory of 2484	4612	ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe	82
PID 4612 wrote to memory of 2484	4612	ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe	82

C:\Users\Admin\AppData\Local\Temp\ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe
"C:\Users\Admin\AppData\Local\Temp\ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Users\Admin\AppData\Roaming\Dllhost.exe
  "C:\Users\Admin\AppData\Roaming\Dllhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Dllhost.exe

Filesize
43KB

MD5
10b81b54a24da1c7f4234b23714d5fbd

SHA1
0b37bef63fe87f1b9dd0203e331978be4ccd0c23

SHA256
ef5c8a793083695a015f7c29543bdd61275d9139f4071064cd18524e0f55ea02

SHA512
f7cb5bd8b004f33d9372c178f2f98dc2527dca369e3202f5455b9e160a1d6763c35675de8497e59fd0f47ef8f0ccdf313bdaca85a960467ffe45e00d338eb70b

Download Submit
memory/2484-12-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/2484-14-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/2484-15-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/2484-17-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/4612-0-0x0000000074FB2000-0x0000000074FB3000-memory.dmp

Filesize
4KB

Download
memory/4612-1-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/4612-2-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/4612-13-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads