a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6

Analysis

max time kernel
141s
max time network
152s
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 07:59

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General

Target

a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe
Size

333KB
MD5

c8ac0dfba273d0236d79b6673942eb29
SHA1

56729013c14cbabdaa86bfc60a8e06af00f433ff
SHA256

a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6
SHA512

ef7de5232949ee7a7cb7ef9f3c2cefb7710a64fbcd4fab23d2072c5d7569bee7970949947a017e708809ea5e9420a9b3c162fb977bbed19f619a7e5121d07e4f
SSDEEP

6144:Krv3cJbUzkuvcBYC47l2xZB20a63cb88jkzWbMnQvmt9gl2tLx:Krv3c6kuveY3MUzHbMQOtq8v

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe

pid	process
1260	a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe
1260	a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe
1260	a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.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:

a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe

pid	process
1260	a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe
1260	a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe

C:\Users\Admin\AppData\Local\Temp\a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe
"C:\Users\Admin\AppData\Local\Temp\a3f62c4aa964329a2a839bd0e8348c77b6c07e83cfbf92b6532353f1b6383cd6.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1260

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\Tsu02E63D80.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{4C758892-C943-4BE3-A908-81619796AA64}\Custom.dll

Filesize
91KB

MD5
a7245bbd05aa5bee1f34b4c4de90c672

SHA1
94a148f9b49af78576e9915ad143b17c1d5514e7

SHA256
1f749e2a9a754223f0609a4c8c91af2f2771ed52dfd0680fc4ad3c91877c3bc8

SHA512
9a395e62a2ab8d096d293eb8d5bc24b91debfc8efe394848dd020987937ea8922b41967cc38bf8f4f8af0c386f1d8c7e31432564146120643d83e33c1904ef8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\{4C758892-C943-4BE3-A908-81619796AA64}\_Setup.dll

Filesize
183KB

MD5
0423b358302bf9e8c2f7c689204e5891

SHA1
97688b7efdbdc08e96f49a9cb0641371862564c5

SHA256
ed14c4c0feac06fe1a78edb74878073e3369f80f0951c9cede2a2ff8868871e1

SHA512
a7717879f60adef1f7221088e37125604da4ef26dcf5f9ca17a217e51c8b6d78c7a6278bc7373c1a654e93fed5363e998df0a2ae712f29f4d53fae362622aa32

Download Submit