b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429

Analysis

max time kernel
142s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2022, 03:18

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General

Target

b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe
Size

315KB
MD5

5bd5bd05386385249aff9cfee3751dd0
SHA1

bcd21cf4f1d8760e76b627f969af700de0205923
SHA256

b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429
SHA512

b834057c034007857e373d191b583a55cd730ea25d54d0c6bc6f3362c56fc2760144eba3d9894118b0baf2c49db30583505b2db6fe072bc9bcf282ee2459bf5d
SSDEEP

6144:vrpbUzkuvcBYC47l2xyfalkLUsx4Y0k8ojcX/pJ2enmrIJzO1LBut0njxxuQ9Uq:vrakuveY3hfaaLUsx4JkxjYJ2emrCz2R

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
4768	b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe
4768	b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe
4768	b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.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

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4768	b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe
4768	b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe

C:\Users\Admin\AppData\Local\Temp\b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe
"C:\Users\Admin\AppData\Local\Temp\b557a8a4d97b25bc6e902c709734e8c9588b724b4c4e089fb7a40d238c294429.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:4768

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\Tsu75ED2BA7.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

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C:\Users\Admin\AppData\Local\Temp\{050727D4-A25E-4A18-A8F3-EA7CDEE40522}\Custom.dll

Filesize
91KB

MD5
a6312af27b3d15b556341f63bce617ed

SHA1
27d5724ba3c3d14065184558a434a0e78e742edb

SHA256
432adc14aeb197e7bc24a77d29a18e82b7c02047efb3a354e0c2ce95719a8cae

SHA512
c08ec354dcd7e3455ad419d13d4cd3e748f8579b089baa9e0c0347ccd58bc80333d066fe291e5a120b58fe3603a8a084771f6d80c73c433c9b0f00931e4f3f8a

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C:\Users\Admin\AppData\Local\Temp\{050727D4-A25E-4A18-A8F3-EA7CDEE40522}\_Setup.dll

Filesize
173KB

MD5
081c1ac0aaaaec8b4eb06c541a40592e

SHA1
bedb928c8c3a44942405de146c7b6bd63a438c65

SHA256
7db7c245ad224e7018f5478b3f7c4695144fe65319973c8c536840bba53e9ab8

SHA512
df96ea85e670ef0c58108d92683115480ef57174e341672edc26d111738560bbe17781a26fe62da2d9091fdfc6e1a70f1822b09f22be7893ebecd7d08dcc57b2

Download Submit