23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff

Analysis

max time kernel
124s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:26

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General

Target

23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff.exe
Size

129KB
MD5

14658e84c350235c8505f508a829960b
SHA1

bafe740dc278ee83a52191b21f0635ef53f3053f
SHA256

23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff
SHA512

7cdc3ad8032450b4defb89c79af415e1ffd073dbac526fe589aae95d363623c58b748545de1ed65a5759bc0d07a5a5ef345a54f8e101900fa37c6f181ac4800f
SSDEEP

3072:v3HDU8VgE9KzlcmDs2U0ezrcRqwGamSRLkPmEZpVarH/43ZJiOb2:vXb+zlcmDs2U03RHzUbVaU3Jq

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2896	23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bffmgr.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000002346e-3.dat	upx
behavioral2/memory/2896-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2896-7-0x0000000000400000-0x0000000000454000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4568	2896	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 1 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	23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2896	2932	23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff.exe	85
PID 2932 wrote to memory of 2896	2932	23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff.exe	85
PID 2932 wrote to memory of 2896	2932	23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff.exe	85

C:\Users\Admin\AppData\Local\Temp\23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff.exe
"C:\Users\Admin\AppData\Local\Temp\23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bff.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bffmgr.exe
  C:\Users\Admin\AppData\Local\Temp\23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bffmgr.exe
  2⤵
  - Executes dropped EXE
  PID:2896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 260
    3⤵
    - Program crash
    PID:4568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2896 -ip 2896
1⤵
PID:2356

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\23c573faa527b3ec1ae07bde1c45c12cbfee04884dda82bcacc6c9e4aa411bffmgr.exe

Filesize
99KB

MD5
f3873258a4258a6761dc54d47463182f

SHA1
fbbf8bca739ca4e9745e5224662b33b437a52461

SHA256
63b02a3e8e7e049d1f29cd4cd79fe5c8905754da6c023df72aa5cca351d0d5c5

SHA512
eec16bb41fd05d9acd5d2b17eb5218057c3cd97cd706e0782a64eb2c32f8a57f1206fe0268be7f37a9f1c3f7b8eb09767cf2724951eaee4be03c4d509d4b3dd4

Download Submit
memory/2896-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2896-6-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2896-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2932-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2932-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download