8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2022 22:18

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General

Target

8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe
Size

316KB
MD5

0b33271185b881f5af21836535e86400
SHA1

f73e610b3596b64611b7a8eb03b57436da9da957
SHA256

8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31
SHA512

e42fdaf3dcec3897b31cce5386292ce4908cfc678c15bc1ee7c9d407aa5fb6b7da92ad756c2c02acf1b30a0bd652ced170db57b6d0504a396be5d22606f15138
SSDEEP

6144:Or+bUzkuvcBYC47l2xUa0nvmas+8gGxvzbLxS8YXsypuewKmik:OrXkuveY3z+U83tbLpmsgh/k

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
3232	8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe
3232	8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe
3232	8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.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	8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A1EEF4C3-8DBB-416C-9EB0-03BD1AD2D489}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{F5F743A7-1791-4617-A918-6D996C85A897}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3232	8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe
3232	8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe

C:\Users\Admin\AppData\Local\Temp\8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe
"C:\Users\Admin\AppData\Local\Temp\8aca0a46ba2844ddd4ae72746c1781f81f23a326ebb150ffb2ae511d10112c31.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:3232

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2512

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\Tsu85B371B3.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{AFF6823E-6125-43F4-A11F-29077415A0C8}\Custom.dll

Filesize
91KB

MD5
43df2d0ba357b75af604e144e0c13c8f

SHA1
3c1c6bfcb5033bb5efe343af5a5e0ec4211cce30

SHA256
a2ec8e40cd848dc2a0793af1b29f5c378b9e8c8754c99ddf6d7d47753b2219b8

SHA512
8cfa21176d5b66b796c94267987bfec6292efde3ced2e62fcdb42fc0d4567f790dbc3637ca68be33e21c68c41bf825ebb5a9c0fd94c12c420b6dd0c35f76149e

Download Submit
C:\Users\Admin\AppData\Local\Temp\{AFF6823E-6125-43F4-A11F-29077415A0C8}\_Setup.dll

Filesize
173KB

MD5
849cfed02ed4ded563da47d93592b653

SHA1
bcdc289cf10557a0ee5b8a3f956739710215a4e5

SHA256
40f7374f5089a9429f4fe0d568364c567d535fa2d3d542d4f7dfb948c480be27

SHA512
8f6d24b7234efb6cbf11be13bfa11f5e6d11aea48d1c81c37a421862aa452b6af0a06bc8637b58bfae631a68aa0d532c7922ccca6433cd2e05e87198ad719cf0

Download Submit