4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 08:28

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General

Target

4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe
Size

313KB
MD5

c2658e054dd89b86e4dbbf6349ce9d50
SHA1

5d37494e6a1495a8da58831d67636095232d3f19
SHA256

4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c
SHA512

04909360ac1ec7aa1444b0c373d8c288c66188820c8153ac83ddd05c0342520e4fe02215a63203bbedf1810e70535d2d9387c6fe54556b6c18cf50fbd36ac144
SSDEEP

6144:3rb9uEo2S1YnQmCX492DkwNP3qpYFl2YyPuFITzyccux7rnrOzprCoMSiB:3rRu6/eIo4t3PuFITKUA/c

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe

pid	process
4464	4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe
4464	4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe
4464	4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.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:

4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe

pid	process
4464	4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe
4464	4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe

C:\Users\Admin\AppData\Local\Temp\4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe
"C:\Users\Admin\AppData\Local\Temp\4b3c8558f2cf854d0edaf634f3edbce78a1bb32eb0537e81d719725095a8993c.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:4464

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\TsuF05EEAFC.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{660B31B5-D18B-4D57-AFBC-99A9BDE81343}\Custom.dll

Filesize
91KB

MD5
0842e2723fff1f80955c9dbd38019c75

SHA1
bea88c3fe74817b048951bd218e70d9dead617d9

SHA256
d71cea96d49b48f8702337d01681b2f144aca8acb56a699b9599106c11cc7458

SHA512
28acff8e01224291aa67f57b2d514db84a79fc2cf7ed28ed2e2cecbdf070fb3b1cf52e295a9412641422338f78d86fc6ea21d835a8de21565a8f53d24c604b02

Download Submit
C:\Users\Admin\AppData\Local\Temp\{660B31B5-D18B-4D57-AFBC-99A9BDE81343}\_Setup.dll

Filesize
169KB

MD5
e991f79040937530c20ae0db2f74e4db

SHA1
6be9fe304687ac1c9ae4feae500eb7f683c27e86

SHA256
ade2b71ba0f45678470346f25803d1822ab7cf072b122b91f0a8feead799c87e

SHA512
fd069a1658006a4f0ada522bfe93a9a30f3ff058b54803556c8e6d0b3d1d3944072e2c2a5d0c5342986fc8af955abec3d974bea0a944e69e2c3e682954283790

Download Submit