072e244f3c1e865c53ed271f58be1dacc8263bbed3d94c6a95c17572f38a84eb

Analysis

max time kernel
105s
max time network
267s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
18/11/2023, 04:23

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General

Target

Google Chrome Update.exe
Size

9.0MB
MD5

87d78602fff2ef76fc4fdb949b94736a
SHA1

6c38327cdeb03b849a6743bf0e32d3c75ca5e318
SHA256

800f0f4c3cc2ba2195d8b527eba6a6a5b76f9aff55a6022814829ff00d433a8f
SHA512

d682e082631eb4f4036501106b8687eb30a7d4119326eb62832548ba20078c65acf53821db1181ee72c593bea1bbd1175b19c439c7cc65323ec6ebbaf128354a
SSDEEP

98304:s5TPERvFtw3WiikBkkkkk0p+GWmrZ+s5OhVvbj08DjGljYukqFgsJ:s5j33WOlWmh5OhVjHGK4g

Score

7^/10

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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation	Google Chrome Update.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
60	api.ipify.org
62	ipinfo.io
59	api.ipify.org

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4896	powershell.exe
3124	powershell.exe
4896	powershell.exe
3124	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	Google Chrome Update.exe
Token: SeDebugPrivilege	4896	powershell.exe
Token: SeDebugPrivilege	3124	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 3124	1912	Google Chrome Update.exe	85
PID 1912 wrote to memory of 3124	1912	Google Chrome Update.exe	85
PID 1912 wrote to memory of 4896	1912	Google Chrome Update.exe	86
PID 1912 wrote to memory of 4896	1912	Google Chrome Update.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Google Chrome Update.exe
"C:\Users\Admin\AppData\Local\Temp\Google Chrome Update.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System Runtime Monitor.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3124
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Applications\Runtime Broker.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sdadqu3q.ttn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1912-34-0x00007FF645250000-0x00007FF645B7C000-memory.dmp

Filesize
9.2MB

Download
memory/1912-0-0x00007FF645250000-0x00007FF645B7C000-memory.dmp

Filesize
9.2MB

Download
memory/3124-32-0x00007FFAFFEC0000-0x00007FFB00981000-memory.dmp

Filesize
10.8MB

Download
memory/3124-25-0x000001E7091C0000-0x000001E7091D0000-memory.dmp

Filesize
64KB

Download
memory/3124-21-0x000001E7091C0000-0x000001E7091D0000-memory.dmp

Filesize
64KB

Download
memory/3124-15-0x000001E7218B0000-0x000001E7218D2000-memory.dmp

Filesize
136KB

Download
memory/3124-35-0x00007FFAFFEC0000-0x00007FFB00981000-memory.dmp

Filesize
10.8MB

Download
memory/4896-23-0x000001BFE4960000-0x000001BFE4970000-memory.dmp

Filesize
64KB

Download
memory/4896-24-0x000001BFE4960000-0x000001BFE4970000-memory.dmp

Filesize
64KB

Download
memory/4896-26-0x000001BFE4960000-0x000001BFE4970000-memory.dmp

Filesize
64KB

Download
memory/4896-22-0x000001BFE4960000-0x000001BFE4970000-memory.dmp

Filesize
64KB

Download
memory/4896-20-0x00007FFAFFEC0000-0x00007FFB00981000-memory.dmp

Filesize
10.8MB

Download
memory/4896-33-0x00007FFAFFEC0000-0x00007FFB00981000-memory.dmp

Filesize
10.8MB

Download