ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19

Analysis

max time kernel
97s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 01:54

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General

Target
ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19N.exe
Size 201KB
Sample241003-cbpgpsscpc
SHA256 ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19
MD5 cef5a143b6887e1b028736d0b42c9450
SHA1 3409948bd40c51d30eb764b30e1117bc0569628e
SHA512 9d3171d7e7c339954d03721a2892eb8baaae7d127a33bd7ee1443c65b93c629a255dfc5669ed8a420f1ba80d2763423b5f749c2526851e9b9ec6032aaad9daa8
SSDEEP 3072:+rBmh/F9sOxAm5T2C+IXo0UO4/Umo4afDmdly/fvwIK2l:+K/F9sr0CC+Itkj2fL/3fKQ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2412	ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19Nmgr.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0009000000023428-3.dat	upx
behavioral2/memory/2412-5-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/2412-7-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4336	2412	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19Nmgr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 2412	3552	ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19N.exe	82
PID 3552 wrote to memory of 2412	3552	ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19N.exe	82
PID 3552 wrote to memory of 2412	3552	ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19N.exe	82

C:\Users\Admin\AppData\Local\Temp\ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19N.exe
"C:\Users\Admin\AppData\Local\Temp\ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Users\Admin\AppData\Local\Temp\ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19Nmgr.exe
  C:\Users\Admin\AppData\Local\Temp\ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19Nmgr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 264
    3⤵
    - Program crash
    PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2412 -ip 2412
1⤵
PID:5100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19Nmgr.exe

Path C:\Users\Admin\AppData\Local\Temp\ac65727aed8ba267531c9e5507e8989a61abd93e061976a9911129d69c3f0b19Nmgr.exe
Size 173KB
SHA256 322b8fe73a8f4d60627aac70bad1e724e2a8e4b605ac3b1cec96cd9029591825
MD5 368c6653018fffc8902b3404f1330c5f
SHA1 11222508abc7a16e6d5004b92645c22173bd805c
SHA512 108afbb6af60e2fd445cc9494b901b604ec353b39c1d6e36a47f27a877d0696241b128134c4471c22f94bde2adffab0efb871b80708369412d9179f3b672a756
SSDEEP 1536:NOC0FvV4OguHxjhpA4Bm7uW0vSUsghQevBFkutIbgTuFqKRr0aF5frleGhd9TfBi:NwV4OgSzBmh04eZFkz3Rr0gwGj9Tf8
MD5 SHA1 SHA512 SSDEEP

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memory/2412-5-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/2412-6-0x0000000002070000-0x0000000002071000-memory.dmp

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memory/2412-7-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/3552-0-0x0000000000B60000-0x0000000000B95000-memory.dmp

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memory/3552-8-0x0000000000B60000-0x0000000000B95000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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