7fb5a74987bcddf9ef559e4167eae4c7f3cda60be264e4fb99bf1e5b8211dea0

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 15:03

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General

Target

iuvcr_setup.exe
Size

2.9MB
MD5

e3af81e987ed879671cf1efc343db8d6
SHA1

ae5c6fe139fbe6447d1f678a0b3559b8c46fac14
SHA256

97e2c7e16d57d7ed092cdae5fee945287983a4d604bcc739a153816800909fd1
SHA512

9d2ee86e9f7074eeb8dad18e4e9fadc536d175ed088b23b5e9d1cb5974010ca3772d327d696c0f1b3fa4934ca8e4c8417668cc2bdc5cb9b2f4bc8cfcfab43ee6
SSDEEP

49152:ei+fx84fJfvnmxbKK1ulDlIBP4x3SiZefT/aHZDXJbMx+W3YJmY6Wky9:eimx8s3YSDlIBPDaefTqX7mY6Wky9

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2508	is-KGG0N.tmp

Loads dropped DLL 3 IoCs

pid	Process
3048	iuvcr_setup.exe
2508	is-KGG0N.tmp
2508	is-KGG0N.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	iuvcr_setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	is-KGG0N.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2508	is-KGG0N.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2508	3048	iuvcr_setup.exe	31
PID 3048 wrote to memory of 2508	3048	iuvcr_setup.exe	31
PID 3048 wrote to memory of 2508	3048	iuvcr_setup.exe	31
PID 3048 wrote to memory of 2508	3048	iuvcr_setup.exe	31
PID 3048 wrote to memory of 2508	3048	iuvcr_setup.exe	31
PID 3048 wrote to memory of 2508	3048	iuvcr_setup.exe	31
PID 3048 wrote to memory of 2508	3048	iuvcr_setup.exe	31

C:\Users\Admin\AppData\Local\Temp\iuvcr_setup.exe
"C:\Users\Admin\AppData\Local\Temp\iuvcr_setup.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\is-6RB9A.tmp\is-KGG0N.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-6RB9A.tmp\is-KGG0N.tmp" /SL4 $3014E "C:\Users\Admin\AppData\Local\Temp\iuvcr_setup.exe" 2796920 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2508

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-6RB9A.tmp\is-KGG0N.tmp

Filesize
642KB

MD5
3c9f925549a51f9017e08a072332fa47

SHA1
1bff860e744467a58ef986b1016a4454844f5ad7

SHA256
1eb6ba689a47d91d01c9b3caa93daacec49c7b6daafb217678b9ad8f545c8ac2

SHA512
86112ec0d9f4254bceb0a576bc03e09384a15a4a5e94b08ca65ddfbc60d9d8d459885138c2644c9309ac86bca0b86d41c92dbc8ed23d7d381cdbeb2d7963ec18

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2508-16-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/3048-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/3048-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3048-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download