f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c

Analysis

max time kernel
225s
max time network
239s
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 07:00

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General

Target

f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe
Size

325KB
MD5

41ad687efdafd2b2572cb8cdd02f75ab
SHA1

98cf954cef989788275b390e300db291400710af
SHA256

f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c
SHA512

aec2dcd719a3fc7a96ce481379e87923a3f2d8a043b88ce42878388eeb346487956d2ab80310218d2c0e176fb40929270112baf95d0da757d6f0f70d50b19567
SSDEEP

6144:8r1Bh9uEo2S1YnQmCX492DkwNP3qpYFDcYgQUskKWeFCEQOiCYOqmO5oa:8r1B3u6/eIo4ArVUBQCCYOqmO5oa

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe

pid	process
3868	f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe
3868	f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe
3868	f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.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:

f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe

pid	process
3868	f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe
3868	f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe

C:\Users\Admin\AppData\Local\Temp\f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe
"C:\Users\Admin\AppData\Local\Temp\f521ffe94695a6c631c9cc7253fb7fd1e93b34cf18bd5d7d0d4b47dcd7f31e6c.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:3868

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Tsu018F79E8.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{66847764-5FE0-412A-A3C1-17C2BD675592}\Custom.dll

Filesize
91KB

MD5
736682c6d96bb1edc84e77041faae33d

SHA1
f8f6e20cd2aa23010b85ea289c3bc3cbdbc9ae26

SHA256
54346f2e36bdb512ef4f7d702f18e59a746f0b936786bc76a30e87de0a061f17

SHA512
fe24353f0f4acafbde7d8cec7a5078668f5e6cd0b06c3e0c96cb3fed0beb3c8af2becb1d97fcbb369ac38193827c8d8a440694c79b5da3180224377e38f53777

Download Submit
C:\Users\Admin\AppData\Local\Temp\{66847764-5FE0-412A-A3C1-17C2BD675592}\_Setup.dll

Filesize
180KB

MD5
a475792794328d8a503568cbe38e8531

SHA1
47e5c4857f272898ed515e939f92cb9243b2ce2e

SHA256
2cd6c67a711059c2245615d80ee0e7d44a003b66d5577513b1dfb1bd7f1e7312

SHA512
3ea14ace569233dd69e730b4dfae4f1292d2e950aa26aceeae78715d0831ff6919d1bbf7c70ec256dd8a5db7f2d09ea4f29a564c125b54fdf8c7de2c78631184

Download Submit