19372df10d7a069a9e4b74cde6b901332027cbc9f6322730e5e7c1cf5f0bbfb0

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26/09/2024, 00:06

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General

Target

uninstall.exe
Size

74KB
MD5

71559d7bda407e75de5d44be52ae622e
SHA1

d6539d98604eb8277ea5fb92e6be02deeeb2327d
SHA256

149077c4580a0db3f826e93398221770530b2f38781beab78b87ea906d4b609c
SHA512

3c39660b0f674b2cc1c89a136bfaaaab991f8cc3172934e9ac973d8c4888b4338275148575422f4166327771da702b66c2e89979eb4a24913c0f66c21c6cf9d7
SSDEEP

1536:XmsAYBdTU9fEAIS2PEtuugdLeAyNxSwp8ghaOOqG+Hi:WfY/TU9fE9PEtuuceALwp8tpGi

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2988	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
2328	uninstall.exe
2988	Un_A.exe
2988	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 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2988	2328	uninstall.exe	31
PID 2328 wrote to memory of 2988	2328	uninstall.exe	31
PID 2328 wrote to memory of 2988	2328	uninstall.exe	31
PID 2328 wrote to memory of 2988	2328	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:2328
- 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:2988

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\nsjF559.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nsjF559.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
74KB

MD5
71559d7bda407e75de5d44be52ae622e

SHA1
d6539d98604eb8277ea5fb92e6be02deeeb2327d

SHA256
149077c4580a0db3f826e93398221770530b2f38781beab78b87ea906d4b609c

SHA512
3c39660b0f674b2cc1c89a136bfaaaab991f8cc3172934e9ac973d8c4888b4338275148575422f4166327771da702b66c2e89979eb4a24913c0f66c21c6cf9d7

Download Submit