efbabeaac29f69dacc737eebcd0a54b048632e446e6535fd47d68a20672ac060

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 18:48

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General

Target

uninstall.exe
Size

624KB
MD5

4c045fb7943eaa5e141df5219b599f8f
SHA1

2e296ffd85bd3ea7e988456fec925a656593d3a8
SHA256

6f8f1f64b6e1b72172166c129e131ae8ac697657066ca1435fee0f1b15a049b0
SHA512

613d2d6a11423e8382c0adfd3a3ec97bdddb28c00cc4f1dcaaec3b8f6f95079b9c0478b9cde032b72d5f05ccc57dd67c6d858fac7d4c37706408dc6818557819
SSDEEP

12288:QYuyqP5pKn69U1Nd291aj4+rMgi/X2KKBGVWOyr:QYuxna696rkMXGVWO2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2084	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
696	uninstall.exe
2084	Un_A.exe
2084	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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2084	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 2084	696	uninstall.exe	31
PID 696 wrote to memory of 2084	696	uninstall.exe	31
PID 696 wrote to memory of 2084	696	uninstall.exe	31
PID 696 wrote to memory of 2084	696	uninstall.exe	31

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:696
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2084

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\nsjD7CB.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nsjD7CB.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
624KB

MD5
4c045fb7943eaa5e141df5219b599f8f

SHA1
2e296ffd85bd3ea7e988456fec925a656593d3a8

SHA256
6f8f1f64b6e1b72172166c129e131ae8ac697657066ca1435fee0f1b15a049b0

SHA512
613d2d6a11423e8382c0adfd3a3ec97bdddb28c00cc4f1dcaaec3b8f6f95079b9c0478b9cde032b72d5f05ccc57dd67c6d858fac7d4c37706408dc6818557819

Download Submit