771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d

Analysis

max time kernel
178s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 08:05

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General

Target

771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe
Size

316KB
MD5

d21826394d649b4d2b01554ed1c641c6
SHA1

31d3527d036cc63efd7d7860aaaf7836348ae8bd
SHA256

771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d
SHA512

64862bd441bc6990e85ea35f391398468eefbdef8cc2cdde2ca4b485a99a23aeacdcd21ddcf9897c7e62339a5f89cc96bcec8a5318fedbf21af944c6cf0c7e92
SSDEEP

6144:lrJbUzkuvcBYC47l2xuNfL2pAgWriSTb3Z9xuzSCR2bSu:lr6kuveY3TT2XdGp9xRC4bSu

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe

pid	process
4464	771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe
4464	771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe
4464	771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe

pid	process
4464	771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe
4464	771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe

C:\Users\Admin\AppData\Local\Temp\771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe
"C:\Users\Admin\AppData\Local\Temp\771ef9a532b31a5336c509a225c6b599300d05aa5021c444775e73035f0dd18d.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:4464

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Tsu2EE59363.dll
Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{FDEBA437-3002-45ED-A706-7820260886C1}\Custom.dll
Filesize
91KB

MD5
aab03c84db6cba9639d49888a5f0cae1

SHA1
f27e6a68da55cb9b6e25b1ddf1c21a77bf6605ae

SHA256
72041aa64738b7cfbf8c10d8c8fcadf208240d3d69f0d546e2a923ed9a79cd32

SHA512
9c5c935e041d3f7388b9abb4ce20b02a0a9b6d8616182bf717431dac38686f983eb2da2893b60106367970c7a13b845df46279c1a8d64263873ccf1505e731c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\{FDEBA437-3002-45ED-A706-7820260886C1}\_Setup.dll
Filesize
173KB

MD5
0518cb1e0dc406122ccdabd50aeafb76

SHA1
53e860574019872b2a740b4bc345db7972b06a87

SHA256
77e1fae9a24895805780626e4a27a75d91528e73830a7dc33b154fb868b70df2

SHA512
989fcf7d0a2cec0d8bafeb08f1f4a3a8f44a6a5d4e6831ff993e907d88b8226d89c5235b03e421d4802071edb0787b36c11c39f0faebe7edd2fca9e33989c40c

Download Submit