d4d1dad4a0548d1c9be3045b8d11c0f182176df47b1903190037fbf8b4751b60

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 03:20

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General

Target

uninstall.exe
Size

496KB
MD5

9f53fae750d5d64bd759ed22803e73df
SHA1

a985242dba3e9b67bcdf26c85decb635e9ffa000
SHA256

e94ff5f5adfd4ea8b2ba07debfb2ca8fc6c8101477691e3b70fce2e5e284fddd
SHA512

c976f3254002648fb1461d7cb34f8156fe4844fea8f4041fed7021576969cdee0871665c1f223466d408de89a51370769caecd4d44d71bed1234039b95697789
SSDEEP

12288:wYmMCEELGHIPAgZOtaK/4+nv7F4KOaqUqL:wYmhIIBc0Kg+B4KOLn

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4448	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
4448	Un_A.exe
4448	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	uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 4448	2332	uninstall.exe	86
PID 2332 wrote to memory of 4448	2332	uninstall.exe	86
PID 2332 wrote to memory of 4448	2332	uninstall.exe	86

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- 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\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4448

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\nsm8C34.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsm8C34.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
496KB

MD5
9f53fae750d5d64bd759ed22803e73df

SHA1
a985242dba3e9b67bcdf26c85decb635e9ffa000

SHA256
e94ff5f5adfd4ea8b2ba07debfb2ca8fc6c8101477691e3b70fce2e5e284fddd

SHA512
c976f3254002648fb1461d7cb34f8156fe4844fea8f4041fed7021576969cdee0871665c1f223466d408de89a51370769caecd4d44d71bed1234039b95697789

Download Submit