1c66423f1cbcd1967d66b888c071f9bfff5129f1f2b7be87004c72910d764429

Analysis

max time kernel
66s
max time network
55s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27-04-2024 22:21

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General

Target

$R0/Uninstall Launcher.exe
Size

174KB
MD5

b8c442bc93588d48e7490b75e0b12936
SHA1

bea58192d53d0260b00db1672a4f57714fa1adc3
SHA256

13ef32288b345b2c5acf4bb96274eccea958a34a7c34f0eebaaf10fa1477102c
SHA512

d515a0b1237a93fe2fcee75ae82022cebf04961e7d06d4e448969a6de5148ad07d701a125b51b2daa044684bb40f35942bb5719ea546e8a495289bbfd56a968e
SSDEEP

3072:Mn77v00hEoDEtaut9ZtX38pLzalNV/ydoqImTNubWkabaH2tvhOEA1RJCir86Srm:M740IdzpEal3aSqItbJabs2t0EyL+yae

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Un_A.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation Un_A.exe
Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

3704 Un_A.exe
Loads dropped DLL 5 IoCs

Processes:

Un_A.exe

pid process

3704 Un_A.exe
3704 Un_A.exe
3704 Un_A.exe
3704 Un_A.exe
3704 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery
T1057

Processes:

tasklist.exe

pid process

2600 tasklist.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Un_A.exetasklist.exe

pid process

3704 Un_A.exe
3704 Un_A.exe
2600 tasklist.exe
2600 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 2600 tasklist.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	Un_A.exe

pid	process
3704	Un_A.exe

pid	process
3704	Un_A.exe
3704	Un_A.exe
3704	Un_A.exe
3704	Un_A.exe
3704	Un_A.exe

pid	process
2600	tasklist.exe

pid	process
3704	Un_A.exe
3704	Un_A.exe
2600	tasklist.exe
2600	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	2600	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Uninstall Launcher.exeUn_A.execmd.exe

description	pid	process	target process
PID 468 wrote to memory of 3704	468	Uninstall Launcher.exe	Un_A.exe
PID 468 wrote to memory of 3704	468	Uninstall Launcher.exe	Un_A.exe
PID 468 wrote to memory of 3704	468	Uninstall Launcher.exe	Un_A.exe
PID 3704 wrote to memory of 4116	3704	Un_A.exe	cmd.exe
PID 3704 wrote to memory of 4116	3704	Un_A.exe	cmd.exe
PID 3704 wrote to memory of 4116	3704	Un_A.exe	cmd.exe
PID 4116 wrote to memory of 2600	4116	cmd.exe	tasklist.exe
PID 4116 wrote to memory of 2600	4116	cmd.exe	tasklist.exe
PID 4116 wrote to memory of 2600	4116	cmd.exe	tasklist.exe
PID 4116 wrote to memory of 5084	4116	cmd.exe	find.exe
PID 4116 wrote to memory of 5084	4116	cmd.exe	find.exe
PID 4116 wrote to memory of 5084	4116	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Launcher.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Launcher.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:468

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⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3704

C:\Windows\SysWOW64\cmd.exe
cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Launcher.exe" /FO csv | %SYSTEMROOT%\System32\find.exe "Launcher.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4116

C:\Windows\SysWOW64\tasklist.exe
tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Launcher.exe" /FO csv
4⤵
- Enumerates processes with tasklist
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600

C:\Windows\SysWOW64\find.exe
C:\Windows\System32\find.exe "Launcher.exe"
4⤵
PID:5084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsj44CA.tmp\StdUtils.dll
Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

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C:\Users\Admin\AppData\Local\Temp\nsj44CA.tmp\System.dll
Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

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C:\Users\Admin\AppData\Local\Temp\nsj44CA.tmp\WinShell.dll
Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

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C:\Users\Admin\AppData\Local\Temp\nsj44CA.tmp\nsExec.dll
Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Filesize
174KB

MD5
b8c442bc93588d48e7490b75e0b12936

SHA1
bea58192d53d0260b00db1672a4f57714fa1adc3

SHA256
13ef32288b345b2c5acf4bb96274eccea958a34a7c34f0eebaaf10fa1477102c

SHA512
d515a0b1237a93fe2fcee75ae82022cebf04961e7d06d4e448969a6de5148ad07d701a125b51b2daa044684bb40f35942bb5719ea546e8a495289bbfd56a968e

Download Submit