59256f6a1f02f8dada5833017bf8f152c8a63c007a620073177c789966958e32

Analysis

max time kernel
93s
max time network
102s
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 09:21

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General

Target

$R0/Uninstall EasyMC Launcher.exe
Size

124KB
MD5

a92b5e21746b0e21c5ff6cedb88dc3d1
SHA1

b182a330da5bb2935aeb5b746577b5a2dbd65d3b
SHA256

4169172bc39007ac2eb8c36cb142feafeb7f3e6f23c068e8f4e299d7a563b4cb
SHA512

a78519d0150624670f1ddef952d8b2de40bf26cc26d4e864e7bf7b8ce6eba65db3130f0ef1253072dcfab29b0cc99429c56d2d141831fd7791a8f08b31dfadac
SSDEEP

3072:Un77v00hEoDEtauxLoW+CuNpKQBnpn/JYaH2tvhOEA1RJCir86SrSrv6Ia34:U740IBLo/CuNphSs2t0EyL+yao

Score

7^/10

discovery

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation Un_A.exe
Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

3024 Un_A.exe
Loads dropped DLL 6 IoCs

Processes:

Un_A.exe

pid process

3024 Un_A.exe
3024 Un_A.exe
3024 Un_A.exe
3024 Un_A.exe
3024 Un_A.exe
3024 Un_A.exe
Enumerates processes with tasklist 1 TTPs 1 IoCs
discovery

Process Discovery
T1057

Processes:

tasklist.exe

pid process

1164 tasklist.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Un_A.exe

pid	process
3024	Un_A.exe

pid	process
3024	Un_A.exe
3024	Un_A.exe
3024	Un_A.exe
3024	Un_A.exe
3024	Un_A.exe
3024	Un_A.exe

pid	process
1164	tasklist.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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 EasyMC Launcher.exeUn_A.execmd.exefind.exetasklist.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall EasyMC Launcher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Un_A.exetasklist.exe

pid process

3024 Un_A.exe
3024 Un_A.exe
1164 tasklist.exe
1164 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 1164 tasklist.exe

pid	process
3024	Un_A.exe
3024	Un_A.exe
1164	tasklist.exe
1164	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	1164	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Uninstall EasyMC Launcher.exeUn_A.execmd.exe

description	pid	process	target process
PID 4928 wrote to memory of 3024	4928	Uninstall EasyMC Launcher.exe	Un_A.exe
PID 4928 wrote to memory of 3024	4928	Uninstall EasyMC Launcher.exe	Un_A.exe
PID 4928 wrote to memory of 3024	4928	Uninstall EasyMC Launcher.exe	Un_A.exe
PID 3024 wrote to memory of 2204	3024	Un_A.exe	cmd.exe
PID 3024 wrote to memory of 2204	3024	Un_A.exe	cmd.exe
PID 3024 wrote to memory of 2204	3024	Un_A.exe	cmd.exe
PID 2204 wrote to memory of 1164	2204	cmd.exe	tasklist.exe
PID 2204 wrote to memory of 1164	2204	cmd.exe	tasklist.exe
PID 2204 wrote to memory of 1164	2204	cmd.exe	tasklist.exe
PID 2204 wrote to memory of 2212	2204	cmd.exe	find.exe
PID 2204 wrote to memory of 2212	2204	cmd.exe	find.exe
PID 2204 wrote to memory of 2212	2204	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall EasyMC Launcher.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall EasyMC Launcher.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928

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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\cmd.exe
cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq EasyMC Launcher.exe" | %SYSTEMROOT%\System32\find.exe "EasyMC Launcher.exe"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\tasklist.exe
tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq EasyMC Launcher.exe"
4⤵
- Enumerates processes with tasklist
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1164

C:\Windows\SysWOW64\find.exe
C:\Windows\System32\find.exe "EasyMC Launcher.exe"
4⤵
- System Location Discovery: System Language Discovery
PID:2212

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsd9C50.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd9C50.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd9C50.tmp\WinShell.dll

Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

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C:\Users\Admin\AppData\Local\Temp\nsd9C50.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
124KB

MD5
a92b5e21746b0e21c5ff6cedb88dc3d1

SHA1
b182a330da5bb2935aeb5b746577b5a2dbd65d3b

SHA256
4169172bc39007ac2eb8c36cb142feafeb7f3e6f23c068e8f4e299d7a563b4cb

SHA512
a78519d0150624670f1ddef952d8b2de40bf26cc26d4e864e7bf7b8ce6eba65db3130f0ef1253072dcfab29b0cc99429c56d2d141831fd7791a8f08b31dfadac

Download Submit