3cea23a0d9d9beac90a9840c0c44a9ee638ec376ab60621608b599f73387a236

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 07:33

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General

Target

MainInstaller.exe
Size

531KB
MD5

9ce448dcd7cf13dd950725957361bdff
SHA1

5831ff31825ea82d90a2989e0fc0a33b859d5f97
SHA256

3dbc5aff076ef9c86a90ad30e963581f7cb22f8e212aa38db29d82cf45b73f80
SHA512

b4a175da3677cd3380cb3789f281f2afb10aa00dc9592217062d66eb9b5e73805886b692975d7244cdd439d8d5bcd0eb5810533284ba4b13ff02a20b792bf74f
SSDEEP

12288:z/8Ze69hm2S17Y/bv9VXXLVS+n28L6OdBCZrrf3xSEowuj6ZQM7gMWZQkN:zihc17YpVE+PGsB03xSEowuj6ZQM71WD

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1124	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
2796	MainInstaller.exe
1124	Setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral17/files/0x000f00000001226c-2.dat	nsis_installer_1
behavioral17/files/0x000f00000001226c-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1124	Setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 1124	2796	MainInstaller.exe	28
PID 2796 wrote to memory of 1124	2796	MainInstaller.exe	28
PID 2796 wrote to memory of 1124	2796	MainInstaller.exe	28
PID 2796 wrote to memory of 1124	2796	MainInstaller.exe	28
PID 2796 wrote to memory of 1124	2796	MainInstaller.exe	28
PID 2796 wrote to memory of 1124	2796	MainInstaller.exe	28
PID 2796 wrote to memory of 1124	2796	MainInstaller.exe	28

C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  C:\Users\Admin\AppData\Local\Temp\Setup.exe /PID=0 /NOTIFY=0 /FFR=1 /FFP=1
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\nst141E.tmp\ioSpecial.ini

Filesize
694B

MD5
9f056eef30ea84e42ed7e4660ad3f002

SHA1
55c85f50b021f9441e9057dbb3493e1cf69ff8d8

SHA256
8cdcdb27a018e4981bfe8202bf03fdae0e5331d964a14100c1f0b89fe281d814

SHA512
e1bf96f25e0d0846c8d9e6bbe9113c8334b4bae8c3c291b0226bce4b3341100c3143d3fb0eda26ea0fb96573ea406822e99e0a2e5a259ede8032c7c1612ab053

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\Users\Admin\AppData\Local\Temp\Setup.exe

Filesize
505KB

MD5
5d8d0c08384ad73216d52a2eabc064f5

SHA1
0fa5c77fd6b6323b926c9648679e063d1bbc8bcc

SHA256
30522715240f4a05859099ac370dfb516097ab257402981c6a9ad31951f36cce

SHA512
42a3003019e39622082506c7ae50d8a27e2920fdfdf15eb9a8dbf7f1dbd49a02cd0390dabd74c136ed44e9d8ba270540ce9390f31aa84c2fc9fdfcc9e912dd57

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\Users\Admin\AppData\Local\Temp\nst141E.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit