6b3038b1ba0f406cd94fd0a8892e93b5ccc6d705ea25810856a9af68c8bed86a

Analysis

max time kernel
90s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 22:22

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General

Target

Valorant RPC/uninstall.exe
Size

74KB
MD5

8bf262fe575f6804e2ce0292a3445c32
SHA1

cab66eb28d9b85c9c0621cf86dd1b0d3c7e08aa4
SHA256

bedbc22257566122e2d498c90aac4cf4b52a93d7ddde474abd7314e63fc163f8
SHA512

5df6eaab65bf97b1399d9f1c877caece13ec2439c9aaaa816487471f9c12537a7e3b63cd72dcb29e29491fa99369070aedd1078dd60ccc7d391c7a930ee99820
SSDEEP

1536:XmsAYBdTU9fEAIS2PEtuSgdLeAyNxIvjrn/uzW4n:WfY/TU9fE9PEtuSceAZvjbmS4n

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2216	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
2744	uninstall.exe
2216	Un_A.exe
2216	Un_A.exe

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	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2216	2744	uninstall.exe	30
PID 2744 wrote to memory of 2216	2744	uninstall.exe	30
PID 2744 wrote to memory of 2216	2744	uninstall.exe	30
PID 2744 wrote to memory of 2216	2744	uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Valorant RPC\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Valorant RPC\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\Valorant RPC\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2216

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

\Users\Admin\AppData\Local\Temp\nst7BA7.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nst7BA7.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

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\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
74KB

MD5
8bf262fe575f6804e2ce0292a3445c32

SHA1
cab66eb28d9b85c9c0621cf86dd1b0d3c7e08aa4

SHA256
bedbc22257566122e2d498c90aac4cf4b52a93d7ddde474abd7314e63fc163f8

SHA512
5df6eaab65bf97b1399d9f1c877caece13ec2439c9aaaa816487471f9c12537a7e3b63cd72dcb29e29491fa99369070aedd1078dd60ccc7d391c7a930ee99820

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