fe4f6adeb25337cf07aa3de20543a6505923f721d7ccdab5c83369115a3bc734

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
21-11-2024 19:57

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General

Target

uninstall.exe
Size

74KB
MD5

e4f83436a1831d549784302c2cbb1374
SHA1

110c4def245b6cb0949eb26690fec090b0c02793
SHA256

e96b87b2e9207ff76755ead324c9b87189a06a59edceaf7dd04e6e58e9788fd4
SHA512

2cf29b63bda0a7fbb71a348dc20d0b941129efca60ad54d4334dcc080c5b9f55ed192ce1b729d5e23f91e1224570e3c0afda9fc655a3d84e3326d71ead053737
SSDEEP

1536:XmsAYBdTU9fEAIS2PEtuSgdLeAyNxWYyQ4n8RV3t/L6s6:WfY/TU9fE9PEtuSceAf2++3t/LT6

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

Un_A.exe

pid process

2932 Un_A.exe
Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

2932 Un_A.exe
Loads dropped DLL 3 IoCs

Processes:

Un_A.exe

pid process

2932 Un_A.exe
2932 Un_A.exe
2932 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2932	Un_A.exe

pid	process
2932	Un_A.exe

pid	process
2932	Un_A.exe
2932	Un_A.exe
2932	Un_A.exe

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

Processes:

uninstall.exeUn_A.exe

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 behavior: EnumeratesProcesses 2 IoCs

Processes:

Un_A.exe

pid process

2932 Un_A.exe
2932 Un_A.exe

pid	process
2932	Un_A.exe
2932	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

uninstall.exe

description	pid	process	target process
PID 2216 wrote to memory of 2932	2216	uninstall.exe	Un_A.exe
PID 2216 wrote to memory of 2932	2216	uninstall.exe	Un_A.exe
PID 2216 wrote to memory of 2932	2216	uninstall.exe	Un_A.exe

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:2216
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2932

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\nss8176.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss8176.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss8176.tmp\nsis_tauri_utils.dll

Filesize
29KB

MD5
c5bd51b72a0de24a183585da36a160c7

SHA1
f99a50209a345185a84d34d0e5f66d04c75ff52f

SHA256
5ef1f010f9a8be4ffe0913616f6c54acf403ee0b83d994821ae4b6716ec1d266

SHA512
1349027b08c7f82e17f572e035f224a46f33f0a410526cf471b22a74b7904b54d1befb5ea7f23c90079605d4663f1207b8c81a45e218801533d48b6602a93dbc

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

Filesize
74KB

MD5
e4f83436a1831d549784302c2cbb1374

SHA1
110c4def245b6cb0949eb26690fec090b0c02793

SHA256
e96b87b2e9207ff76755ead324c9b87189a06a59edceaf7dd04e6e58e9788fd4

SHA512
2cf29b63bda0a7fbb71a348dc20d0b941129efca60ad54d4334dcc080c5b9f55ed192ce1b729d5e23f91e1224570e3c0afda9fc655a3d84e3326d71ead053737

Download Submit