fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 07:51 UTC

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General

Target

fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe
Size

39KB
MD5

f8c5b4acc409d07738160a6829271490
SHA1

b99491f21134d16cdaf9f1157f9e6d77d649c4df
SHA256

fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3
SHA512

2d3b1776b2ecccc89c38a74e359396d18c986e2648176144fcba4ae63af72176d1bc185a812ceefc8cfc217c784a8ab2862c9508884ab08387ee587e74f5ef83
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I5:e6q10k0EFjed6rqJ+6vghzwYu7vih9GN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4128	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4128	microsofthelp.exe

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 4128	1808	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe	84
PID 1808 wrote to memory of 4128	1808	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe	84
PID 1808 wrote to memory of 4128	1808	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe	84

C:\Users\Admin\AppData\Local\Temp\fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe
"C:\Users\Admin\AppData\Local\Temp\fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4128

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

228.249.119.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

228.249.119.40.in-addr.arpa

IN PTR

Response
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

14.160.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.160.190.20.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

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

183.59.114.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

183.59.114.20.in-addr.arpa

IN PTR

Response
DNS

241.42.69.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.42.69.40.in-addr.arpa

IN PTR

Response
DNS

71.190.18.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

71.190.18.2.in-addr.arpa

IN PTR

Response

71.190.18.2.in-addr.arpa

IN PTR

a2-18-190-71deploystaticakamaitechnologiescom
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response

No results found

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

228.249.119.40.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

228.249.119.40.in-addr.arpa
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

14.160.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.160.190.20.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

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

183.59.114.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

183.59.114.20.in-addr.arpa
8.8.8.8:53

241.42.69.40.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

241.42.69.40.in-addr.arpa
8.8.8.8:53

71.190.18.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

71.190.18.2.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
40KB

MD5
0f6674fa5f68a2202fef1ac063fcd54d

SHA1
4c15fc9ae9789ddcf89aeccbadc19c541bce2016

SHA256
ae52954063fe512a8137e3b7b38422ccbd018a006ebd148e1384d0eeeadb15d4

SHA512
79b139d9151d930707b91b1c4ce3c1894402465518a49ba7e17ebaae0cdb694b6a694b6f62f9f4850b4ea439c0739366ef91b143c1b652a315647228fee0e310

Download Submit
memory/1808-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1808-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4128-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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