25947903109ba1bf70d1e06423be6d39fccdece8258cf5c959b65ec8d0fe6aae

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 07:16

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General

Target

uninstall.exe
Size

496KB
MD5

0daddf16e0b13e998889df73cbd964b3
SHA1

f4024712736add86e4d08a15bd53aadb35387051
SHA256

aa2a301f10474828281c9716c848c6ae6cbbae5c4fb7fc512e00c5eca26d092c
SHA512

8101a79ccede1a8414f93b1d419839cebdc0efab4a8f59ef051d5782f98fffbf2b224ffc0688f38959b1c425405bb11f6f77d890b129c28aa24b5ca0ca3b599e
SSDEEP

12288:wYukBdqWUAO7U4lXNQKefsAE1a0H6LlRojKIXmp6cqzW7IHil:wYuklTOg4l+Ty1a0m3oXXxcqy7ICl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

2980 Un_A.exe
Loads dropped DLL 3 IoCs

Processes:

uninstall.exeUn_A.exe

pid process

2492 uninstall.exe
2980 Un_A.exe
2980 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Un_A.exe

pid process

2980 Un_A.exe

pid	process
2980	Un_A.exe

pid	process
2492	uninstall.exe
2980	Un_A.exe
2980	Un_A.exe

pid	process
2980	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

uninstall.exe

description	pid	process	target process
PID 2492 wrote to memory of 2980	2492	uninstall.exe	Un_A.exe
PID 2492 wrote to memory of 2980	2492	uninstall.exe	Un_A.exe
PID 2492 wrote to memory of 2980	2492	uninstall.exe	Un_A.exe
PID 2492 wrote to memory of 2980	2492	uninstall.exe	Un_A.exe

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2492

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
- Suspicious behavior: GetForegroundWindowSpam
PID:2980

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nso2204.tmp\LangDLL.dll
Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nso2204.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
496KB

MD5
0daddf16e0b13e998889df73cbd964b3

SHA1
f4024712736add86e4d08a15bd53aadb35387051

SHA256
aa2a301f10474828281c9716c848c6ae6cbbae5c4fb7fc512e00c5eca26d092c

SHA512
8101a79ccede1a8414f93b1d419839cebdc0efab4a8f59ef051d5782f98fffbf2b224ffc0688f38959b1c425405bb11f6f77d890b129c28aa24b5ca0ca3b599e

Download Submit