8d6c51a73578c227267b591110fc8db1ff1545d9a2de2f2a9cee94bba5cdccf0

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 18:48

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General

Target

Nb.bat
Size

3KB
MD5

139bd7cc2c46df45cc1271a82d009bf7
SHA1

f722b419801b8f9fbd220d92c57691bc925ff307
SHA256

33d3e0ec7bfb73d25231cb7aefa5d9ff7590b7e5c17debca80bb6ef0e9228c5b
SHA512

4f092803a21cec2b7a4869101a452e94f79cd03be29db48309f9be30642fff8032cb692cd6841d5e9ecca7a61d431c9e750698cebcb99edbf4e827e779117f25

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 3 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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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-1-5-21-983155329-280873152-1838004294-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1480	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 1256	3056	cmd.exe	89
PID 3056 wrote to memory of 1256	3056	cmd.exe	89
PID 3056 wrote to memory of 2984	3056	cmd.exe	90
PID 3056 wrote to memory of 2984	3056	cmd.exe	90
PID 1256 wrote to memory of 908	1256	WScript.exe	91
PID 1256 wrote to memory of 908	1256	WScript.exe	91
PID 2984 wrote to memory of 2372	2984	WScript.exe	93
PID 2984 wrote to memory of 2372	2984	WScript.exe	93
PID 908 wrote to memory of 1480	908	cmd.exe	95
PID 908 wrote to memory of 1480	908	cmd.exe	95

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Nb.bat"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\app.js"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\run.bat" C:\Users\Public\"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:908
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      Powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Public\run.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1480
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\basta.js"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\node.bat" C:\Users\Public\"
    3⤵
    PID:2372

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_salb5lya.3fb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\app.js

Filesize
180B

MD5
cdb432f329b4a16d681fc257481c0164

SHA1
a33fc7f5f38ad350dfebf210c9db83daa163f10f

SHA256
c55cf39792cbfce98d8f8ab2da785745742a383d2e56c01df60bad537ddc7fda

SHA512
161f4bde0fef4dfe7bf37aa96d0d1535084925e01a3799726dbb4fd5204b7bd622e162623f6437f31d6536090dfde2f325f4d90942224124bc6c33fc806c5898

Download Submit
C:\Users\Public\basta.js

Filesize
181B

MD5
7f07022ed3034e6892f4df26514103f7

SHA1
616c55238c77be766cc9ce172e16f7cf2d0590f2

SHA256
f6b69ba39a0211a526396358e289e89a0255c0cb213570a39cdb12d97fe49f98

SHA512
94a4aab4bd80623552433e2257fee20982eff42b310a10670e30f62c6aa44dac7bb4dda8bbeab70821d46d5e952485c95b89e36efb5903e52190dbc8511bf460

Download Submit
C:\Users\Public\node.bat

Filesize
916B

MD5
001718dcd21bfdf37e56766672181419

SHA1
cd68bcbc04e5c72e760919a45574e68a2c052883

SHA256
d46acd0cc6ccacf86752659405b8714021de1c12c7dc6c1d8e9ba1dd7bc93675

SHA512
42eafba75990607f467dc95f8fcad8143dbb15ebf66a97eb8b21ef377c1bb785e47a2132d5a0e8b23097fea7e49caa49e827ba21ba5ef90df877088426ad7997

Download Submit
C:\Users\Public\run.bat

Filesize
73B

MD5
0d276af7b9ca226f782a7bbc74f738ec

SHA1
05726e1a25ec79c5082e8ab4e0f7862270beaa8c

SHA256
7d02ee3b778807e105f619e426e581d99ce41a15e61f75217141b041e3fcbfed

SHA512
5ddf89e48ee2dd2fdc52b5bd69b3d6dc31fa1b67191d3b4c8bd74f71c4d0426d6264c0640c601dc85f859d25a3034fe4d22157ece7d7503ab8fdc1fcfeb9d832

Download Submit
memory/1480-29-0x000002549DFE0000-0x000002549E002000-memory.dmp

Filesize
136KB

Download
memory/1480-36-0x00007FFEF2300000-0x00007FFEF2DC1000-memory.dmp

Filesize
10.8MB

Download
memory/1480-37-0x00007FFEF2300000-0x00007FFEF2DC1000-memory.dmp

Filesize
10.8MB

Download