b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5e

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 13:28 UTC

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General

Target

b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe
Size

75KB
MD5

5fb6b6328f4fe4b274f5229efacf20f0
SHA1

32034abfd7e9b9ed66500d13edf52e583c06a7c4
SHA256

b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5e
SHA512

d0a0760c5bd10f015ff2ac8ce4564a5446efe254e332413f34d633f2c038c2f7805eb0041e8d71a55dfdbe95fb8ea03ff31e2cfc56fd5078d868590d04523366
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN43vBKMvWPqH5kYhpvEHchVvhES0:xAo1lOwvlNlXBvsI7hrhEh9cpDN43vBM

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4408	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4408	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"	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.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	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 4408	2144	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe	82
PID 2144 wrote to memory of 4408	2144	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe	82
PID 2144 wrote to memory of 4408	2144	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe	82

C:\Users\Admin\AppData\Local\Temp\b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe
"C:\Users\Admin\AppData\Local\Temp\b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- 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:4408

Network

DNS

232.168.11.51.in-addr.arpa

Remote address:

8.8.8.8:53

Request

232.168.11.51.in-addr.arpa

IN PTR

Response
DNS

88.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

88.210.23.2.in-addr.arpa

IN PTR

Response

88.210.23.2.in-addr.arpa

IN PTR

a2-23-210-88deploystaticakamaitechnologiescom
DNS

217.106.137.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

217.106.137.52.in-addr.arpa

IN PTR

Response
DNS

241.150.49.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.150.49.20.in-addr.arpa

IN PTR

Response
DNS

197.87.175.4.in-addr.arpa

Remote address:

8.8.8.8:53

Request

197.87.175.4.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

92.12.20.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

92.12.20.2.in-addr.arpa

IN PTR

Response

92.12.20.2.in-addr.arpa

IN PTR

a2-20-12-92deploystaticakamaitechnologiescom
DNS

83.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

83.210.23.2.in-addr.arpa

IN PTR

Response

83.210.23.2.in-addr.arpa

IN PTR

a2-23-210-83deploystaticakamaitechnologiescom
DNS

11.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

11.227.111.52.in-addr.arpa

IN PTR

Response

No results found

8.8.8.8:53

232.168.11.51.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

232.168.11.51.in-addr.arpa
8.8.8.8:53

88.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

88.210.23.2.in-addr.arpa
8.8.8.8:53

217.106.137.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

217.106.137.52.in-addr.arpa
8.8.8.8:53

241.150.49.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.150.49.20.in-addr.arpa
8.8.8.8:53

197.87.175.4.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

197.87.175.4.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

92.12.20.2.in-addr.arpa

dns

69 B
131 B
1
1

DNS Request

92.12.20.2.in-addr.arpa
8.8.8.8:53

83.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

83.210.23.2.in-addr.arpa
8.8.8.8:53

11.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

11.227.111.52.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
75KB

MD5
6272f16f1b6423cfdd3db9884938b687

SHA1
9f5f00456ab5f0e7f533b0ee65d272c3aff2cf6a

SHA256
a2df515b912f96e9a361bb2b0954250b5dd337af471ac46ffb502ce3d10e953a

SHA512
44a7bf3077471edce129d3b0289e5f0b7f76abd3f01e8800e70a02eca5663f6b1c6f594cfbac714367b263c90ff1a17d3e885d4e0b5234a713e9b51170d73b5d

Download Submit
memory/2144-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2144-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4408-6-0x0000000000400000-0x000000000040F000-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

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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