b3409b2aeac0378d1164049e7f7e32fe3ad4d626fd4420d467268eb0edc5bc98

Analysis

max time kernel
93s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-08-2024 00:41

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General

Target

$R0/Uninstall SideQuest.exe
Size

636KB
MD5

707b72e4a1badfbcc283ac374c7dbda2
SHA1

9c5be8346167a6e8123454103b9c4fed5e3f16f4
SHA256

49c71570a7120b1258e9ed9d65255e15ea66e33dbc4c57b7548d2bafbbffe8fa
SHA512

ae503dcb12445dad015f5493d3dfa217684b3c593fc4160ef2a47f93dbfdbdcf8d1a1fb37e1f7a43309a7af4a8785874b1ec046a0202b9a0ab1565bade8e993f
SSDEEP

6144:c740ILE/rLx0hzFnK3ieyE4PPvUwUa8T2t0EyL+9gJOaNva:e1r10vKQEAJCLRKMVk

Score

4^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

4984 Un_A.exe
Loads dropped DLL 4 IoCs

Processes:

Un_A.exe

pid process

4984 Un_A.exe
4984 Un_A.exe
4984 Un_A.exe
4984 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4984	Un_A.exe

pid	process
4984	Un_A.exe
4984	Un_A.exe
4984	Un_A.exe
4984	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 SideQuest.exeUn_A.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall SideQuest.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Uninstall SideQuest.exe

description	pid	process	target process
PID 2924 wrote to memory of 4984	2924	Uninstall SideQuest.exe	Un_A.exe
PID 2924 wrote to memory of 4984	2924	Uninstall SideQuest.exe	Un_A.exe
PID 2924 wrote to memory of 4984	2924	Uninstall SideQuest.exe	Un_A.exe

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall SideQuest.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall SideQuest.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924

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\$R0\
2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4984

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsvA190.tmp\StdUtils.dll
Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsvA190.tmp\System.dll
Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsvA190.tmp\UAC.dll
Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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C:\Users\Admin\AppData\Local\Temp\nsvA190.tmp\nsDialogs.dll
Filesize
9KB

MD5
466179e1c8ee8a1ff5e4427dbb6c4a01

SHA1
eb607467009074278e4bd50c7eab400e95ae48f7

SHA256
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

SHA512
7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Filesize
636KB

MD5
707b72e4a1badfbcc283ac374c7dbda2

SHA1
9c5be8346167a6e8123454103b9c4fed5e3f16f4

SHA256
49c71570a7120b1258e9ed9d65255e15ea66e33dbc4c57b7548d2bafbbffe8fa

SHA512
ae503dcb12445dad015f5493d3dfa217684b3c593fc4160ef2a47f93dbfdbdcf8d1a1fb37e1f7a43309a7af4a8785874b1ec046a0202b9a0ab1565bade8e993f

Download Submit