677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708

Analysis

max time kernel
142s
max time network
143s
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 08:19

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General

Target

677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe
Size

327KB
MD5

9afca3bf87f3d79b6204bb150f8748f6
SHA1

73ddadf6df65e3a3344de9e82d2a6fb225201e49
SHA256

677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708
SHA512

63e34ae3e18c5488fb1faa2a3dec28c83b3ad4dbd6eda8dd7f538e6408f29c2c70a3487109b2c71c7454a7c85626271fc3e4bd01d06d215fa62fc4db7a61e1d2
SSDEEP

6144:Zr469uEo2S1YnQmCX492DkwNP3qpYFGgjwuBGVdLAt4ZHd2i3gjd+ZD/6F6:Zr4iu6/eIo4Rsw33AtsmQz

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe

pid	process
1404	677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe
1404	677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe
1404	677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.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:

677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.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\{ECD448F3-F112-40E1-8161-435090FC6EBD}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A5BD2F47-A86C-40E3-8D46-27F2A3BDCE1D}.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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:

677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe

pid	process
1404	677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe
1404	677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe

C:\Users\Admin\AppData\Local\Temp\677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe
"C:\Users\Admin\AppData\Local\Temp\677cb9a795fa30f08222fe1da523f239e1ee68c0c8a6181c4f61b1c1fb330708.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1404

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:4564

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\Tsu3156A72F.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{A3A8472A-391C-44D6-A63D-713E784B65DC}\Custom.dll

Filesize
91KB

MD5
c9d3d86ee95ae4d20c80de9ddaa8fa40

SHA1
5f0546ec86f3e27f0eec4d5d5451edc630907654

SHA256
b34ca5ec63459956e72289b6b1d85891377c4ef451b48f42d92ab7d1aad117a9

SHA512
ea895f339e31432497401782a17275cecda18286a158ad191dc1a5c2c3c541205c679689a74ff46c4e4861c7e6d87bf862e54049b419675cadaeea76c400b186

Download Submit
C:\Users\Admin\AppData\Local\Temp\{A3A8472A-391C-44D6-A63D-713E784B65DC}\_Setup.dll

Filesize
180KB

MD5
f019ccbcb9fc34eca585696d8ec5c585

SHA1
e0d1b4eff07feef1a2b4e0f07e015f3208e1c4bf

SHA256
7824f94a444f14a0143702818fb300a387d85173d05ac9cd891f4e1ab1dbac0e

SHA512
8ff541ff1401c62ad21dd960c48e5a99981c953f5bf73824146ef2848b778796aac5e17b111b9ad139acbd3b556ecd92f4869876da8849fb79fac4d86cbf70e5

Download Submit