2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e

Analysis

max time kernel
141s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 08:36

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General

Target

2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe
Size

316KB
MD5

bce3387989a152f3c5740d5d9227f1a4
SHA1

5e2d35aa64c9833acdff25d8902c44bf16e046f3
SHA256

2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e
SHA512

76854f4658b0a726b34a38208ceeb428a7101f462881aee08522ed95a7e1aa3cb993ab87b074210c00840c77e5b769f65722bc6e16108e532427922d5ddce004
SSDEEP

6144:RrvbUzkuvcBYC47l2xmDZH4xBsprVIvThDm9FdAZ+x99wV3:RrkkuveY3zhlV6tmDxzwV3

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe

pid	process
1764	2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe
1764	2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe
1764	2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.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:

2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe

pid	process
1764	2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe
1764	2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe

C:\Users\Admin\AppData\Local\Temp\2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe
"C:\Users\Admin\AppData\Local\Temp\2f77b820dbd701acf4f43caa61ca21aac6457d31030e0293fec63f872688b40e.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\TsuD748EA10.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{143048A8-8653-4608-A4E3-CE71CFD36A5E}\Custom.dll

Filesize
91KB

MD5
734225cb2540b6ea71d2fe1ef8d42e1f

SHA1
078786a455720521670d54e1335eb54361cab21f

SHA256
13e1bd1730329a3d77c6d3fad3a46c042a786b243a6d567e6abf1b2e716d4dec

SHA512
4575274733b2aba223df2ae37cbaf3552f4f821dfb7089126ce16962442d2f10c1f1ea7fd60ff4232972e3d3fd9ce859f4ab2eea275ab59b4bd4426f9e201103

Download Submit
C:\Users\Admin\AppData\Local\Temp\{143048A8-8653-4608-A4E3-CE71CFD36A5E}\_Setup.dll

Filesize
173KB

MD5
d551815ebe150faff90e2b7c5cbf8ae8

SHA1
d6ded104279e24ff90c70090b5112efc50757879

SHA256
523afe52c39237b2f68a28cbccf5f30e32b2d1a64053739a1cb092f7dd998790

SHA512
3de1b3d391c23f7c3d333c98258d56cbc9903f39ea04c962e7c35268716c448258c8c36f0cf5fa9500d1f90f4b51feabd0ac676ff73f98cb219533489e7e1185

Download Submit