921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004a

Analysis

max time kernel
119s
max time network
120s
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, 15:32 UTC

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General

Target

921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe
Size

47KB
MD5

3d90f274eb3a9ee143a62dbfe8eb0500
SHA1

df59442d75f42e00147ba5deab8588106c9e32f2
SHA256

921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004a
SHA512

ed553c941e49a6a1000942585d40d171b75b276018ffae88621b48dbac01b8e6b2957b61664d70371aed5b9a62c83d9df7fe5f28c28547a14d3930ad4ccec666
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh6:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYa

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1180	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1180	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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.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	921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 1180	3204	921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe	89
PID 3204 wrote to memory of 1180	3204	921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe	89
PID 3204 wrote to memory of 1180	3204	921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe	89

C:\Users\Admin\AppData\Local\Temp\921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe
"C:\Users\Admin\AppData\Local\Temp\921a3f60e5b01ab71c2aef90ca5f8dfee2050ef7f040663bcdd2ea73f039004aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1180

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4336,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=3776 /prefetch:8
1⤵
PID:4712

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

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

68.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

68.159.190.20.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

133.211.185.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

133.211.185.52.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

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

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

22.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

22.236.111.52.in-addr.arpa

IN PTR

Response
DNS

99.209.201.84.in-addr.arpa

Remote address:

8.8.8.8:53

Request

99.209.201.84.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

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

68.159.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

68.159.190.20.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

133.211.185.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

133.211.185.52.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

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

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

22.236.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

22.236.111.52.in-addr.arpa
8.8.8.8:53

99.209.201.84.in-addr.arpa

dns

72 B
132 B
1
1

DNS Request

99.209.201.84.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
48KB

MD5
4e964872a117fd7578a4b81e4a2b385b

SHA1
7a2e2bd9dedcc4bfbdb3cf6d4516bb7543b758a2

SHA256
72ce891d8b561e4c16ef1b100ed009118513c4df37c1a542ce84381c6312bfaf

SHA512
21f6e02c422f28f863824d4fc886284e938ae6b29d0ad2a222fca68ebffb861057c95fedffba6db2a0f497bee0d10aaae311bfd3439cfa63b4ad204cf589318d

Download Submit
memory/1180-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1180-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3204-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3204-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

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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Downloads

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