3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a

Analysis

max time kernel
125s
max time network
140s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 03:52

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General

Target

3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe
Size

325KB
MD5

d1c8315a275a1af76f6728f9f86454d7
SHA1

61f1f758b531aa75b3dcc242d05be6bb2bda50c7
SHA256

3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a
SHA512

a71503be1f4e52700f2784796f4673f7bdb6dd9f509b193c938c7050f18de6dfb06fc148fdf80a0d1d1f26e77d763d7cf648f6ec448f691d4fa496b06e7ad481
SSDEEP

6144:cr1Bh9uEo2S1YnQmCX492DkwNP3qpYFDcYgQUskKWeFCEQOiCYOqmO5oC:cr1B3u6/eIo4ArVUBQCCYOqmO5oC

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe

pid	process
1720	3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe
1720	3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe
1720	3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.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:

3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe

pid process

1720 3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe

C:\Users\Admin\AppData\Local\Temp\3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe
"C:\Users\Admin\AppData\Local\Temp\3fc719fb1c573468cfdfe99926576ae7451e0ffd3aa953a0dd83b3ed3f25e68a.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1720

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

\Users\Admin\AppData\Local\Temp\Tsu775035D1.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
\Users\Admin\AppData\Local\Temp\{F5B06AE3-5FBC-4772-A599-179E2E534815}\Custom.dll

Filesize
91KB

MD5
736682c6d96bb1edc84e77041faae33d

SHA1
f8f6e20cd2aa23010b85ea289c3bc3cbdbc9ae26

SHA256
54346f2e36bdb512ef4f7d702f18e59a746f0b936786bc76a30e87de0a061f17

SHA512
fe24353f0f4acafbde7d8cec7a5078668f5e6cd0b06c3e0c96cb3fed0beb3c8af2becb1d97fcbb369ac38193827c8d8a440694c79b5da3180224377e38f53777

Download Submit
\Users\Admin\AppData\Local\Temp\{F5B06AE3-5FBC-4772-A599-179E2E534815}\_Setup.dll

Filesize
180KB

MD5
a475792794328d8a503568cbe38e8531

SHA1
47e5c4857f272898ed515e939f92cb9243b2ce2e

SHA256
2cd6c67a711059c2245615d80ee0e7d44a003b66d5577513b1dfb1bd7f1e7312

SHA512
3ea14ace569233dd69e730b4dfae4f1292d2e950aa26aceeae78715d0831ff6919d1bbf7c70ec256dd8a5db7f2d09ea4f29a564c125b54fdf8c7de2c78631184

Download Submit
memory/1720-55-0x00000000765B1000-0x00000000765B3000-memory.dmp

Filesize
8KB

Download