b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081

Analysis

max time kernel
145s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2022 16:13

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General

Target

b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe
Size

316KB
MD5

2bd7901cd61cbda3d9f640d435ed6c50
SHA1

207f9eeca819df67c7609f4e7c0eaea31aac81db
SHA256

b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081
SHA512

c3feb1648cdda3e87301f85361a31f8984d6e30a1e669b14ed383f57bbdf2179cb9d229bb25102ae2d1462380f1b59b8e1df6421534e9d2e72b6c6c8783cfe70
SSDEEP

6144:xr9bUzkuvcBYC47l2xA0CLzrfn5Agvirxi/NRFBDArP:xr+kuveY3hdLzrfn5A1KtBw

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1628	b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe
1628	b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe
1628	b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1628	b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe
1628	b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe

C:\Users\Admin\AppData\Local\Temp\b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe
"C:\Users\Admin\AppData\Local\Temp\b539141cb5fb32e4555ed7f8f90a82170e350d6557104d5e240707933cff7081.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1628

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\Tsu6441A034.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{910A9437-9DA2-4548-A7A3-D5804AE9B6C1}\Custom.dll

Filesize
91KB

MD5
45ce75b7774f4c95f732b450c260cf60

SHA1
e40bc1fac33024891fafe7606697a51b729ddf56

SHA256
c334852cedb403267793428c818b9e9ac65c3cf0333560b86882e37d52a7364a

SHA512
1a642793c6b8971aa5d32d4e1c03b356a678470f880db4eac2bd10bb4bd4483573dc443953fc27172d9bf2735f8c816a8792b01fdd4f4c6a9d417f5bd1374002

Download Submit
C:\Users\Admin\AppData\Local\Temp\{910A9437-9DA2-4548-A7A3-D5804AE9B6C1}\_Setup.dll

Filesize
173KB

MD5
be16f8d320da824f0db58ef6d75c75c6

SHA1
9c3993bbfa92ca6d5dc2b2721716f5040bb22d82

SHA256
a2879be2df754addca789fdd9d7d52dff21687414a2579ed8e05aaf9fb283822

SHA512
bbe5e522f5ef988d2ff216a5afc16fd5ee39244839f4ec6382f77d70df1dfe11e35cfad1ec4446ff06849c04c1e681bf312a9ea9623f96eac9e0677bab7eb1f0

Download Submit