b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209

General

Target

b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe
Size

111KB
MD5

bc27608446faf10fef3f3e50492cce20
SHA1

ae4156ce87e9cf75948318e617748536562e598b
SHA256

b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209
SHA512

3a623feba0be2213e66a88bb22b6b4ad2a981d559e9b614e7e5e32a6051610546b442ca712f7d7a4e90bbeca691ac6437074948ef9e978b215cfff4bf2fdae1f
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fBE:ELlbZTZX3BAtTSVEdUJWTWd18fq

Score

7^/10

defense_evasion discovery persistence upx

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe

Executes dropped EXE 1 IoCs

pid	Process
1964	guifx.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2288-0-0x00000000002A0000-0x00000000002BC000-memory.dmp	upx
behavioral2/files/0x000900000002342c-3.dat	upx
behavioral2/memory/1964-4-0x00000000008B0000-0x00000000008CC000-memory.dmp	upx
behavioral2/memory/2288-6-0x00000000002A0000-0x00000000002BC000-memory.dmp	upx
behavioral2/memory/1964-7-0x00000000008B0000-0x00000000008CC000-memory.dmp	upx
behavioral2/memory/2288-8-0x00000000002A0000-0x00000000002BC000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
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 3 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	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	guifx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1964	2288	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	82
PID 2288 wrote to memory of 1964	2288	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	82
PID 2288 wrote to memory of 1964	2288	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	82
PID 2288 wrote to memory of 4908	2288	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	91
PID 2288 wrote to memory of 4908	2288	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	91
PID 2288 wrote to memory of 4908	2288	b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe	91

C:\Users\Admin\AppData\Local\Temp\b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe
"C:\Users\Admin\AppData\Local\Temp\b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1964
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\b65ce39b5da65253e55a1ccb770c052af4a7587e639b66266c500cb029180209N.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4908

Network

DNS

0.205.248.87.in-addr.arpa

Remote address:

8.8.8.8:53

Request

0.205.248.87.in-addr.arpa

IN PTR

Response

0.205.248.87.in-addr.arpa

IN PTR

https-87-248-205-0lgwllnwnet
DNS

58.55.71.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

58.55.71.13.in-addr.arpa

IN PTR

Response
DNS

23.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.159.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

13.86.106.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.86.106.20.in-addr.arpa

IN PTR

Response
DNS

50.23.12.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

50.23.12.20.in-addr.arpa

IN PTR

Response
DNS

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR

Response
DNS

14.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.227.111.52.in-addr.arpa

IN PTR

Response

165.194.123.67:443

guifx.exe

260 B
5
165.194.123.67:443

guifx.exe

260 B
5

8.8.8.8:53

0.205.248.87.in-addr.arpa

dns

71 B
116 B
1
1

DNS Request

0.205.248.87.in-addr.arpa
8.8.8.8:53

58.55.71.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

58.55.71.13.in-addr.arpa
8.8.8.8:53

23.159.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

23.159.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

13.86.106.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

13.86.106.20.in-addr.arpa
8.8.8.8:53

50.23.12.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

50.23.12.20.in-addr.arpa
8.8.8.8:53

206.23.85.13.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

206.23.85.13.in-addr.arpa
8.8.8.8:53

14.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.227.111.52.in-addr.arpa

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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:\ProgramData\Graphics\guifx.exe

Filesize
111KB

MD5
dceb7a7754f626b034c0e6e177fd37e8

SHA1
e1829c262974f2beab6624a3c63ee975cbf19489

SHA256
b63be1d4fd803d8a92f3135ed94d79d442db714353b06248ab0a4a7363d5499a

SHA512
8bd71c435b465794f870e8df5278adf67b50efd73bec45a4fb66fedf8fce42a61f43223515c95a277d3de52c107d5c934ed37f24ec9edbe94dab66f99e0f5892

Download Submit
memory/1964-4-0x00000000008B0000-0x00000000008CC000-memory.dmp

Filesize
112KB

Download
memory/1964-7-0x00000000008B0000-0x00000000008CC000-memory.dmp

Filesize
112KB

Download
memory/2288-0-0x00000000002A0000-0x00000000002BC000-memory.dmp

Filesize
112KB

Download
memory/2288-6-0x00000000002A0000-0x00000000002BC000-memory.dmp

Filesize
112KB

Download
memory/2288-8-0x00000000002A0000-0x00000000002BC000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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