85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a

Analysis

max time kernel
132s
max time network
140s
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 12:05

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General

Target

85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
Size

522KB
MD5

d7f6bcbf3b6fd77a379fd6bacd4db6b1
SHA1

524cd317bf9cadc4172da5de381d3dac34c83e62
SHA256

85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a
SHA512

adf6899a77696a53845504c88ce8c85eebf576d0be3e889fdc5e519dc922acee560764a424c132610f31aece01c354a63f274f01b9ac1e93951ff07f1cfa3b71
SSDEEP

6144:TkIAsljmJ/TfSCrHkgFnHCKgfXqDbQCsmQy1CrxQqD9RSaSz+8O5H+34e:WNraBgVHCh6XQCoy18xQqpx8O5H+

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{74C8C504-1024-42EA-BF54-CA4D45161BDD}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{403B106B-5227-4345-A3B6-417E5E182956}.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 use of WriteProcessMemory 6 IoCs

Processes:

85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe

description	pid	process	target process
PID 2228 wrote to memory of 3264	2228	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
PID 2228 wrote to memory of 3264	2228	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
PID 2228 wrote to memory of 3264	2228	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
PID 2228 wrote to memory of 2476	2228	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
PID 2228 wrote to memory of 2476	2228	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
PID 2228 wrote to memory of 2476	2228	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe	85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe

C:\Users\Admin\AppData\Local\Temp\85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
"C:\Users\Admin\AppData\Local\Temp\85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
start
2⤵
PID:3264

C:\Users\Admin\AppData\Local\Temp\85fad34fac17c058fc85634a8ed07f3942b6ad9d73676d581d8f8584173f775a.exe
watch
2⤵
PID:2476

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:3200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2228-132-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2228-135-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2476-133-0x0000000000000000-mapping.dmp

Download
memory/2476-136-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2476-138-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2476-141-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/3264-134-0x0000000000000000-mapping.dmp

Download
memory/3264-137-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/3264-139-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/3264-140-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download