54f3100b5c9ed8665eb2781eb2457928ec6523b4a17c21d596e598e57b391687

Analysis

max time kernel
141s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:09

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General

Target

setup_lvk.exe
Size

4.2MB
MD5

e62ea795b4bcdeeb4de994cddf7fa241
SHA1

d2b9960163f57d0606d4ff2c60465dcb1ce38c0d
SHA256

77b2f77198f84ce3d020a71a639365dbd0636042dbb857a68021228026fc3819
SHA512

dcc786e1ed26c787068d2b9c4e332139db575275dd2e644634d833d11e7d4716e09aae38ac4be62f6c9c7f53ec5889731f22fc23cc80726c0517c671880db9cc
SSDEEP

98304:uFnxmDBKiqA4/iWjddeqImmOr0we1iWeLUNV:6QYiqDiW6I0p1iLL4

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1692	setup_lvk.tmp

Loads dropped DLL 3 IoCs

pid	Process
1732	setup_lvk.exe
1692	setup_lvk.tmp
1692	setup_lvk.tmp

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

System Information Discovery
T1082

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	setup_lvk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup_lvk.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1692	setup_lvk.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1692	1732	setup_lvk.exe	30
PID 1732 wrote to memory of 1692	1732	setup_lvk.exe	30
PID 1732 wrote to memory of 1692	1732	setup_lvk.exe	30
PID 1732 wrote to memory of 1692	1732	setup_lvk.exe	30
PID 1732 wrote to memory of 1692	1732	setup_lvk.exe	30
PID 1732 wrote to memory of 1692	1732	setup_lvk.exe	30
PID 1732 wrote to memory of 1692	1732	setup_lvk.exe	30

C:\Users\Admin\AppData\Local\Temp\setup_lvk.exe
"C:\Users\Admin\AppData\Local\Temp\setup_lvk.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\is-VVA6B.tmp\setup_lvk.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VVA6B.tmp\setup_lvk.tmp" /SL5="$40152,4205880,53248,C:\Users\Admin\AppData\Local\Temp\setup_lvk.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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-VVA6B.tmp\setup_lvk.tmp

Filesize
669KB

MD5
52950ac9e2b481453082f096120e355a

SHA1
159c09db1abcee9114b4f792ffba255c78a6e6c3

SHA256
25fbc88c7c967266f041ae4d47c2eae0b96086f9e440cca10729103aee7ef6cd

SHA512
5b61c28bbcaedadb3b6cd3bb8a392d18016c354c4c16e01395930666addc95994333dfc45bea1a1844f6f1585e79c729136d3714ac118b5848becde0bdb182ba

Download Submit
\Users\Admin\AppData\Local\Temp\is-HA32M.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1692-12-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1692-20-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1732-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1732-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1732-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download