335c23d6b7ee0543594c65daac973952602513908cd391deeca078bfedcc2a7d

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 02:56 UTC

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General

Target

16f7253b4e82e53573654fe99a23fac0N.exe
Size

78KB
MD5

16f7253b4e82e53573654fe99a23fac0
SHA1

1ad6716ed06dfc9e379709d1fdc2047bba404a33
SHA256

335c23d6b7ee0543594c65daac973952602513908cd391deeca078bfedcc2a7d
SHA512

8b2992b820c31f85c7892331b96d7424bb830d0e8b19b890cbe2fd431ccaa6af73af8de4beed9045c36710b3590b29a1ba28f76f868467de90c9df0586809bd8
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTv:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
368	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
368	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	16f7253b4e82e53573654fe99a23fac0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	16f7253b4e82e53573654fe99a23fac0N.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	16f7253b4e82e53573654fe99a23fac0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 368	4556	16f7253b4e82e53573654fe99a23fac0N.exe	83
PID 4556 wrote to memory of 368	4556	16f7253b4e82e53573654fe99a23fac0N.exe	83
PID 4556 wrote to memory of 368	4556	16f7253b4e82e53573654fe99a23fac0N.exe	83

C:\Users\Admin\AppData\Local\Temp\16f7253b4e82e53573654fe99a23fac0N.exe
"C:\Users\Admin\AppData\Local\Temp\16f7253b4e82e53573654fe99a23fac0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4556
- 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:368

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

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
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

67.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

67.31.126.40.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

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
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
DNS

48.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

48.229.111.52.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

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
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

67.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

67.31.126.40.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

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.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
8.8.8.8:53

48.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

48.229.111.52.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
78KB

MD5
0272f4a36c71068f3e2a0920eaf0a5d6

SHA1
9dca7bb7a02156742351d770a72064ce31aab2be

SHA256
7b9053fcaf63df7677091b8963b8df30e82ff93435d8f5ecb9d06fea881819d2

SHA512
2cf89baccf6c564c88cd9a76367a5226163dd1d62480acbc450b1ed64ea9b97e74ab8eada2d6873b133446885f18d6b62d8766042ea744909070a4c39f6527ef

Download Submit
memory/368-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4556-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4556-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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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