f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 06:57

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General

Target

f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe
Size

313KB
MD5

ad2d82b4ae3f17e1e18ff04a34d995ec
SHA1

8804066911b816e42a6953d0acdfc7afff5e0d4f
SHA256

f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d
SHA512

33660cc8593ae2ad94efd45d647543ba27428ab2ee9631bb240824d754cfaa429744884df22f3297c2a26dc65b15f94569f1b89386f2e3b4c55765e0a815766f
SSDEEP

6144:ArkA9uEo2S1YnQmCX492DkwNP3qpYF0lu7tIYxFtApNhiYLE2/5yr3+LijYi:Ark4u6/eIo4nlu7trxFtApfgMyrpjYi

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe

pid	process
2228	f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe
2228	f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe
2228	f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.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:

f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{840FBAC5-662C-442F-B1E9-F720BC092FDB}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{BB7307A0-D3E1-424F-B0C3-3A2F1AB114DB}.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

Processes:

svchost.exe

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

Processes:

svchost.exe

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

Processes:

f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe

pid	process
2228	f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe
2228	f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe

C:\Users\Admin\AppData\Local\Temp\f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe
"C:\Users\Admin\AppData\Local\Temp\f98703949ded35bd5a21d405750f438b29dbebb64b0c933643aeff1019d8953d.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:2228

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:1256

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\TsuA02C81F1.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{BCA87579-7E24-4ED6-AC3D-3606674B578F}\Custom.dll

Filesize
91KB

MD5
ed92e425cd374788afede25d2dd9d84a

SHA1
666fcb0dc635af7ba075e48c8f8c72a16dd30a67

SHA256
a50e3750c29b54f7b304064bb843972dba4094ee9ceef4e6942c61d2a5690d46

SHA512
8afa88d37eaef17822c7fe9285f30d4766af63cabf0dea05b5e74b5a2cd5dfced7729418d42979a7ab006cda6a17731c59b93400c4f2be3f3b59e81e2800687d

Download Submit
C:\Users\Admin\AppData\Local\Temp\{BCA87579-7E24-4ED6-AC3D-3606674B578F}\_Setup.dll

Filesize
169KB

MD5
204a2b4cd7d5022c92d0d15d33051795

SHA1
7742a0d36b16c07dde8c2d29b8d2bbeed17130d2

SHA256
d6267d0770d1e2ae443e2217ed5f326cf17a0a67454783af4e109db5f040fe85

SHA512
b4aeda6dbb92e070a5d650dfe28f1c0fac5125d9bc1603c8321124aa335d4842da774d68dc6c0f6415579b337a3527d991bc444e5a6167c672f8920759de86e3

Download Submit