4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23

Analysis

max time kernel
174s
max time network
177s
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 08:28

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General

Target

4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe
Size

326KB
MD5

f52cbfc7c0cfda178f73b53d06baaa98
SHA1

a375ba1b89894cf856554dc580391418cdd1c0d2
SHA256

4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23
SHA512

d04f678b88e32ae2ef350c1880fcb0a7ee30a053a18185bbb61a132728265ee6acc48b736c828c1f665c10ffa70de7d76dc110045348684d8b4bffe7496c8e86
SSDEEP

6144:nr4f9uEo2S1YnQmCX492DkwNP3qpYFAvZm2iODkqdNho9a8eua1BQ9GXk4HVqWr:nr4Vu6/eIo41Zm2qo8UckXDVqWr

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe

pid	process
2428	4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe
2428	4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe
2428	4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.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:

4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe

pid	process
2428	4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe
2428	4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe

C:\Users\Admin\AppData\Local\Temp\4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe
"C:\Users\Admin\AppData\Local\Temp\4b757c8bdf73cae187f4c5b806fbc5ad92cd71c1827ed1d855bc03ac8b980b23.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:2428

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\TsuFB288718.dll
Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{245D49A0-6249-497A-AB91-2A6BFFBE6B56}\Custom.dll
Filesize
91KB

MD5
d4aa9b74477f27248e5698b1e6936544

SHA1
033e6d9e0317f18177436e4f436e9911733933d6

SHA256
3867a7cdba893eaece640d5dd17a3dd759af94cd5a0924b849ec4db82d020190

SHA512
e88af1bdefd7d42400d5efc5169a39c23d27bf29383952d3275752f0250ab0e206053229f431969bcc01c4019cd5e5eb9a6572aad53bad25809f2f026e93c290

Download Submit
C:\Users\Admin\AppData\Local\Temp\{245D49A0-6249-497A-AB91-2A6BFFBE6B56}\_Setup.dll
Filesize
179KB

MD5
35b1d5b099a7bccc1b38e0ca0ef5c47a

SHA1
3667c7290097cec828bd8e45c14a36b853c61ad2

SHA256
e03a8c9448bd7416f8fd2a5c306708e29972e4c0d6751d5c1dda68d7d0d2550b

SHA512
9c64d17cc6cf361422d2b2f6a9306138e51b9e1b71a6475cc06a67300e9897ee1d03cb6120f966a168003a54f64a0562aa8fd3566e0e66f01906cb31d7297a0f

Download Submit