243ebcabe490740d6a757ab65397509ecfb639337afdffcf8b5a44d88efa0633

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
20-11-2023 12:49

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General

Target

windowsinstaller.exe
Size

13.1MB
MD5

8608a5b84a36e7682bf779bcd0f61a8d
SHA1

828665caa819e34815910efe2f81d6f74ae577c2
SHA256

243ebcabe490740d6a757ab65397509ecfb639337afdffcf8b5a44d88efa0633
SHA512

a4c4b96afec88a04fd58b1273b2780e0f47c406cc0ca3781ae6e2dff1f5f60c1186b679ecf7431f480e5dab59e31ee7075cecacaa32ffc67a73f604128600d5a
SSDEEP

393216:kuFxqNc1fBCzbaxAfXvIUvn4/76kLZ98FFb8iA2Nx+3y09s9:vt1cb/IUvn4ek8FFbTNxuLs9

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2060	windowsinstaller.exe

Loads dropped DLL 1 IoCs

pid	Process
2396	windowsinstaller.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2060	2396	windowsinstaller.exe	28
PID 2396 wrote to memory of 2060	2396	windowsinstaller.exe	28
PID 2396 wrote to memory of 2060	2396	windowsinstaller.exe	28
PID 2396 wrote to memory of 2060	2396	windowsinstaller.exe	28
PID 2396 wrote to memory of 2060	2396	windowsinstaller.exe	28
PID 2396 wrote to memory of 2060	2396	windowsinstaller.exe	28
PID 2396 wrote to memory of 2060	2396	windowsinstaller.exe	28

C:\Users\Admin\AppData\Local\Temp\windowsinstaller.exe
"C:\Users\Admin\AppData\Local\Temp\windowsinstaller.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\eset\bts.session\be2cc0d4-ecca-4ac2-804d-e443f5e85fae\windowsinstaller.exe
  "C:\Users\Admin\AppData\Local\Temp\eset\bts.session\be2cc0d4-ecca-4ac2-804d-e443f5e85fae\windowsinstaller.exe" --bts-container 2396 "C:\Users\Admin\AppData\Local\Temp\windowsinstaller.exe"
  2⤵
  - Executes dropped EXE
  PID:2060

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\Cab9D2B.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9D5D.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Users\Admin\AppData\Local\Temp\eset\bts.session\be2cc0d4-ecca-4ac2-804d-e443f5e85fae\windowsinstaller.exe

Filesize
2.1MB

MD5
d308d19ac043585171f650e987510477

SHA1
a11cb94b96d742c21c8227118d42d29737fa6106

SHA256
02c58c3fb9533738c2c68d838f3c7991f9f9fccd773943ee750f1f2fd3b26fdd

SHA512
39c7a0fb917001539f1d82cd519b2ada8c24b0c806b046bb253aed341c0e36f0a484d78c33f81041feab940b1988505897314f99d0974959a68a01d6cf6a477b

Download Submit
C:\Users\Admin\AppData\Local\Temp\eset\bts.session\be2cc0d4-ecca-4ac2-804d-e443f5e85fae\windowsinstaller.exe

Filesize
2.1MB

MD5
d308d19ac043585171f650e987510477

SHA1
a11cb94b96d742c21c8227118d42d29737fa6106

SHA256
02c58c3fb9533738c2c68d838f3c7991f9f9fccd773943ee750f1f2fd3b26fdd

SHA512
39c7a0fb917001539f1d82cd519b2ada8c24b0c806b046bb253aed341c0e36f0a484d78c33f81041feab940b1988505897314f99d0974959a68a01d6cf6a477b

Download Submit
C:\Users\Admin\AppData\Local\Temp\eset\bts.session\be2cc0d4-ecca-4ac2-804d-e443f5e85fae\windowsinstaller.exe

Filesize
2.1MB

MD5
d308d19ac043585171f650e987510477

SHA1
a11cb94b96d742c21c8227118d42d29737fa6106

SHA256
02c58c3fb9533738c2c68d838f3c7991f9f9fccd773943ee750f1f2fd3b26fdd

SHA512
39c7a0fb917001539f1d82cd519b2ada8c24b0c806b046bb253aed341c0e36f0a484d78c33f81041feab940b1988505897314f99d0974959a68a01d6cf6a477b

Download Submit
\Users\Admin\AppData\Local\Temp\eset\bts.session\be2cc0d4-ecca-4ac2-804d-e443f5e85fae\windowsinstaller.exe

Filesize
2.1MB

MD5
d308d19ac043585171f650e987510477

SHA1
a11cb94b96d742c21c8227118d42d29737fa6106

SHA256
02c58c3fb9533738c2c68d838f3c7991f9f9fccd773943ee750f1f2fd3b26fdd

SHA512
39c7a0fb917001539f1d82cd519b2ada8c24b0c806b046bb253aed341c0e36f0a484d78c33f81041feab940b1988505897314f99d0974959a68a01d6cf6a477b

Download Submit