5513812584a5ba7810b812db7ceec2d0e9cb214cef95a2580e29927cf4fe9921

Analysis

max time kernel
1491s
max time network
1677s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
04-11-2024 19:56

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General

Target

uninst.exe
Size

138KB
MD5

7ef2fd299b7bffdd88a53223cb6ac426
SHA1

ea63fc81cc8a9ea3031f5eca4e9ec4c8be25f46e
SHA256

ba1ec2684ceee82f817b250417985a9ef33dd679f5e97a18e0f8f3fda8a055b1
SHA512

47da0192a634ae7ea7553ad2e158c505b7cdb0c13ec956424f8777522609544bf059ac7b6919c877a2c67e7576e8237071d0962cfa59b321eb0ff7d53245e6f6
SSDEEP

3072:dnPdzuK8Jdw4TMJw3uXceAgF88Q0ejM6ocOSlH/Hs9:dnPdudwDzmgO8iPOSJM9

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1696	Un.exe

Executes dropped EXE 1 IoCs

pid	Process
1696	Un.exe

Loads dropped DLL 6 IoCs

pid	Process
1696	Un.exe
1696	Un.exe
1696	Un.exe
1696	Un.exe
1696	Un.exe
1696	Un.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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1696	Un.exe
1696	Un.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1696	4892	uninst.exe	77
PID 4892 wrote to memory of 1696	4892	uninst.exe	77
PID 4892 wrote to memory of 1696	4892	uninst.exe	77

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1696

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\nsn80BB.tmp\FindProcDLL.dll

Filesize
3KB

MD5
b4faf654de4284a89eaf7d073e4e1e63

SHA1
8efcfd1ca648e942cbffd27af429784b7fcf514b

SHA256
c0948b2ec36a69f82c08935fac4b212238b6792694f009b93b4bdb478c4f26e3

SHA512
eef31e332be859cf2a64c928bf3b96442f36fe51f1a372c5628264a0d4b2fc7b3e670323c8fb5ffa72db995b8924da2555198e7de7b4f549d9e0f9e6dbb6b388

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn80BB.tmp\LangDLL.dll

Filesize
5KB

MD5
50016010fb0d8db2bc4cd258ceb43be5

SHA1
44ba95ee12e69da72478cf358c93533a9c7a01dc

SHA256
32230128c18574c1e860dfe4b17fe0334f685740e27bc182e0d525a8948c9c2e

SHA512
ed4cf49f756fbf673449dca20e63dce6d3a612b61f294efc9c3ccebeffa6a1372667932468816d3a7afdb7e5a652760689d8c6d3f331cedee7247404c879a233

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn80BB.tmp\System.dll

Filesize
12KB

MD5
4add245d4ba34b04f213409bfe504c07

SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn80BB.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn80BB.tmp\nsisFirewallW.dll

Filesize
8KB

MD5
f5bf81a102de52a4add21b8a367e54e0

SHA1
cf1e76ffe4a3ecd4dad453112afd33624f16751c

SHA256
53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2

SHA512
6e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe

Filesize
138KB

MD5
7ef2fd299b7bffdd88a53223cb6ac426

SHA1
ea63fc81cc8a9ea3031f5eca4e9ec4c8be25f46e

SHA256
ba1ec2684ceee82f817b250417985a9ef33dd679f5e97a18e0f8f3fda8a055b1

SHA512
47da0192a634ae7ea7553ad2e158c505b7cdb0c13ec956424f8777522609544bf059ac7b6919c877a2c67e7576e8237071d0962cfa59b321eb0ff7d53245e6f6

Download Submit