3264d09d3a398417226b7d346c2fc4757ffa445373763e2d7c2f18ef6edb2354

Analysis

max time kernel
140s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 17:21

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General

Target

Night_uac/amsi.ps1
Size

1KB
MD5

ce55b86a579ff526c25fdfeb398fa285
SHA1

134fb6ec72f0123f5111333ca6d4c4a9c125cf67
SHA256

dcc98c13be598654871475b3028f304f2a580b47c9c46531d2793de49f5f8d7d
SHA512

ca4f09c14caee9282006a0a3251b17ab8c5cf3c370b81bb49579437d470d62bcb2b8909c461784d163c57e7ca725ecb1bb86036b401315fd2ff0fedcd8b51f2f

Score

3^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
4608	powershell.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wermgr.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

wermgr.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid	Process
4608	powershell.exe
4608	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	4608	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

powershell.execsc.exe

description	pid	Process	procid_target
PID 4608 wrote to memory of 3976	4608	powershell.exe	86
PID 4608 wrote to memory of 3976	4608	powershell.exe	86
PID 3976 wrote to memory of 3400	3976	csc.exe	88
PID 3976 wrote to memory of 3400	3976	csc.exe	88
PID 4608 wrote to memory of 4828	4608	powershell.exe	90
PID 4608 wrote to memory of 4828	4608	powershell.exe	90

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Night_uac\amsi.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\3dijakwu\3dijakwu.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3976
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8BF4.tmp" "c:\Users\Admin\AppData\Local\Temp\3dijakwu\CSCF850C0BE91D54B0291AA25A262B8BC5E.TMP"
    3⤵
    PID:3400
- C:\Windows\system32\wermgr.exe
  "C:\Windows\system32\wermgr.exe" "-outproc" "0" "4608" "2248" "2192" "2252" "0" "0" "2256" "0" "0" "0" "0" "0"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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\3dijakwu\3dijakwu.dll

Filesize
3KB

MD5
71df1d0c90c3ad75c84aa1000adc9fa3

SHA1
318faf5bf597011063c615369a41afab4ef2c1bc

SHA256
8c3900788b45c4589a4b219240e745ba3f73026859d299117c49b591088a5db3

SHA512
44368b97dd7ffcda052b7bb9afb7dbcd190ab5f759f3a3af9eb3dc507678d208b33cec1aa55de7f232ff243b7fbde8dc013e80f1c6f467cd40cae579cea6fe3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES8BF4.tmp

Filesize
1KB

MD5
82d020b9d6f0901deb30cc8e41724671

SHA1
bd7dbc6ce56dd9173d910e2eb306c908b1fd72b8

SHA256
6d6efd6b0e51748ef48ea38b134b9909c18de535a9a58517f5d1ffcdfe0c579f

SHA512
020c3d762e01c4851bc6bd82a11a715fc86ace4dd8c2fab1cd1a49af66de4a693ea1df1111fb10a37593eb3c42b38cbe76ac9ad841e1864654015b7b27d65f98

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ebaez30t.n4h.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\3dijakwu\3dijakwu.0.cs

Filesize
331B

MD5
885120f66ed400cb844051f3b2509cb7

SHA1
1035be96b6ba5e7ed6b5250d097ce2356ef67eae

SHA256
cceab02630d3733fc07e880a371093e9e795095817d72283d2197630a44dcc5e

SHA512
c85b4d69008954eae90f0f1ccf547c7c1f7fa1df22f08afad15aced1af7e0078e1ae82929dbb03b8a4c2b0ca9c40c813b38de532d5c34261a3f11be3196fe97b

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\3dijakwu\3dijakwu.cmdline

Filesize
369B

MD5
62400ede862c00acdea7125900590c3b

SHA1
9aab4e43dd119a6d5da2a9cf069f3212b3ec2fd6

SHA256
5b27669db26f593ade4082a085e1c236ddf54ca4ee0a982c59297bf2f409d5b8

SHA512
cddc7d2553467366e6e5c04ba2adb88f45e0786dccfefa3603077dba15805811d074bf5acb1462a7bf339dcc61bc7adc7eb2f6f23b8cede5b14df2a86ae6cfb2

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\3dijakwu\CSCF850C0BE91D54B0291AA25A262B8BC5E.TMP

Filesize
652B

MD5
8cfbb272cbefd8e09d360671d1a8abbe

SHA1
01cd0f10acb959270ed9afaf5a8de1b8dc7170f9

SHA256
aa48dee7c98352bf5f5a1c9b4d6508356526f36526b60082e5e5f5dec9098ee8

SHA512
d2dee5987fd295b7384b48e63dc26aa84e95fee7c1113e3ba27cfb5185a1338ab141a2e3bcbab92d08ed80a1148c6997dca5a51184faa35eafdd3a6701a6da40

Download Submit
memory/4608-11-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4608-12-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4608-0-0x00007FFA2F173000-0x00007FFA2F175000-memory.dmp

Filesize
8KB

Download
memory/4608-25-0x000002BA04D80000-0x000002BA04D88000-memory.dmp

Filesize
32KB

Download
memory/4608-10-0x000002BA1D760000-0x000002BA1D782000-memory.dmp

Filesize
136KB

Download
memory/4608-35-0x000002BA1D2A0000-0x000002BA1D4BC000-memory.dmp

Filesize
2.1MB

Download
memory/4608-36-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download