74da34ca3ba1962015714afa8535051b3ca8414ace28b0bdc13a176f6218d703

Analysis

max time kernel
150s
max time network
137s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
07-09-2024 19:23

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General

Target

SRB2-v2213-Installer.exe
Size

150.4MB
MD5

a954a01803702a882732c48bf08bae9f
SHA1

7cb3b8b428640b9f0bf6e030a9b3968c781604dc
SHA256

74da34ca3ba1962015714afa8535051b3ca8414ace28b0bdc13a176f6218d703
SHA512

cca3e8defe224fefec35cc15a2ca0488d553b42edd161a3037a329f40f24e728d994c7150f2e1c277f41f4bf8612003a312b9b9745a8bec78272faf8bde8b759
SSDEEP

3145728:EzQNeBJM4IoxIaJk555rHKSDFwp69ucnOoNAWQSGZ38xSmJ1gP:6HP3Io2Rhrq+FwwIcjCR+omwP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1984	SRB2-v2213-Installer.tmp

Loads dropped DLL 2 IoCs

pid	Process
1984	SRB2-v2213-Installer.tmp
1984	SRB2-v2213-Installer.tmp

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	SRB2-v2213-Installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SRB2-v2213-Installer.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 1984	4676	SRB2-v2213-Installer.exe	73
PID 4676 wrote to memory of 1984	4676	SRB2-v2213-Installer.exe	73
PID 4676 wrote to memory of 1984	4676	SRB2-v2213-Installer.exe	73

C:\Users\Admin\AppData\Local\Temp\SRB2-v2213-Installer.exe
"C:\Users\Admin\AppData\Local\Temp\SRB2-v2213-Installer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Users\Admin\AppData\Local\Temp\is-02KUM.tmp\SRB2-v2213-Installer.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-02KUM.tmp\SRB2-v2213-Installer.tmp" /SL5="$80220,156750034,839680,C:\Users\Admin\AppData\Local\Temp\SRB2-v2213-Installer.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1984

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\is-02KUM.tmp\SRB2-v2213-Installer.tmp

Filesize
3.0MB

MD5
05b4bddc1f8032d91e723ff0a898abe9

SHA1
7e44bd92bd48d3a797da3b209b7bdfb4e169ad51

SHA256
70b02e5b88b92e50e40cc1dd8efbdf4cdcb6cf8ca678d2dec420a289fa8d68cb

SHA512
dcb64e1ec702ba16e6ef43559de14845d1942ef26f220f2dae16bdaacdfe19cf1165edda64f1b19d4ad90f0e3315cd50058f45f1a082c565dae604ce1edbc800

Download Submit
\Users\Admin\AppData\Local\Temp\is-66FL4.tmp\_isetup\_isdecmp.dll

Filesize
28KB

MD5
077cb4461a2767383b317eb0c50f5f13

SHA1
584e64f1d162398b7f377ce55a6b5740379c4282

SHA256
8287d0e287a66ee78537c8d1d98e426562b95c50f569b92cea9ce36a9fa57e64

SHA512
b1fcb0265697561ef497e6a60fcee99dc5ea0cf02b4010da9f5ed93bce88bdfea6bfe823a017487b8059158464ea29636aad8e5f9dd1e8b8a1b6eaaab670e547

Download Submit
memory/1984-6-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/1984-20-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/4676-2-0x0000000000401000-0x00000000004B7000-memory.dmp

Filesize
728KB

Download
memory/4676-0-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4676-18-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download