878ca7e3fb7a90a937afdbe080c055877b4c6334a9589d27e092fd6737a0716f

Analysis

max time kernel
13s
max time network
3s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 16:00

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General

Target

uninst.exe
Size

138KB
MD5

69f11311116dea38b390d99ccc295b24
SHA1

eceb02f012a978f518f0928a00017fe263aeec8a
SHA256

6f0baf53513b09eee91da1e92a4ac6637e606a645b52adee5fd0402de9232548
SHA512

73fe603810ccfe1ad2d43ab9917d6adbe8c189d558ed709c7f703c7400848a18b0a989d0a5b18e6b5208ab3d7d5880dd686dea38fc32b8bee0a207436b20ba2e
SSDEEP

3072:dnPdzuK8Jdw4TMJw3uXceAuH7v6OjxaJE1WQav1vb2MyE:dnPdudwDzmuT6OjxaBQav1TsE

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1736	Un.exe

Loads dropped DLL 3 IoCs

pid	Process
3060	uninst.exe
1736	Un.exe
1736	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 use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 1736	3060	uninst.exe	30
PID 3060 wrote to memory of 1736	3060	uninst.exe	30
PID 3060 wrote to memory of 1736	3060	uninst.exe	30
PID 3060 wrote to memory of 1736	3060	uninst.exe	30

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1736

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\~nsu1.tmp\Un.exe

Filesize
138KB

MD5
69f11311116dea38b390d99ccc295b24

SHA1
eceb02f012a978f518f0928a00017fe263aeec8a

SHA256
6f0baf53513b09eee91da1e92a4ac6637e606a645b52adee5fd0402de9232548

SHA512
73fe603810ccfe1ad2d43ab9917d6adbe8c189d558ed709c7f703c7400848a18b0a989d0a5b18e6b5208ab3d7d5880dd686dea38fc32b8bee0a207436b20ba2e

Download Submit
\Users\Admin\AppData\Local\Temp\nstA1CD.tmp\LangDLL.dll

Filesize
5KB

MD5
50016010fb0d8db2bc4cd258ceb43be5

SHA1
44ba95ee12e69da72478cf358c93533a9c7a01dc

SHA256
32230128c18574c1e860dfe4b17fe0334f685740e27bc182e0d525a8948c9c2e

SHA512
ed4cf49f756fbf673449dca20e63dce6d3a612b61f294efc9c3ccebeffa6a1372667932468816d3a7afdb7e5a652760689d8c6d3f331cedee7247404c879a233

Download Submit
\Users\Admin\AppData\Local\Temp\nstA1CD.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

Download Submit