92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f

Analysis

max time kernel
133s
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 12:03

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General

Target

92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
Size

522KB
MD5

102eff6532a670a1845a48e2b57be9a3
SHA1

af15c676850b3ea7dce4116d6c4a3ea54c0a4a90
SHA256

92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f
SHA512

8495c214f7ddf67825df88746866a52c561e781038dfbcbe59e6f43b46b356da6112180d046895e71b22a6f4ab30ea365afb4427d6801cc4c39a14abe7826a4c
SSDEEP

12288:uz5uc2pb5PeIOxkiepOTcWy18xQqpx8O5dD:uF12pkkJWatqpx8

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\{EF47A0AD-AF5E-46EF-AC31-38C7FBCB0137}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{463A6975-11F0-48FC-A37E-E5DEFAE34A8C}.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 use of WriteProcessMemory 6 IoCs

Processes:

92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe

description	pid	process	target process
PID 2228 wrote to memory of 4992	2228	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
PID 2228 wrote to memory of 4992	2228	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
PID 2228 wrote to memory of 4992	2228	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
PID 2228 wrote to memory of 5020	2228	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
PID 2228 wrote to memory of 5020	2228	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
PID 2228 wrote to memory of 5020	2228	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe	92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe

C:\Users\Admin\AppData\Local\Temp\92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
"C:\Users\Admin\AppData\Local\Temp\92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
start
2⤵
PID:4992

C:\Users\Admin\AppData\Local\Temp\92cd4fa5e1de07ecfc88b3e6d2778d4722876952a6fef9ffbaac5fac0f01eb5f.exe
watch
2⤵
PID:5020

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:4772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

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/4992-134-0x0000000000000000-mapping.dmp

Download
memory/4992-136-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/4992-138-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/4992-140-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/5020-133-0x0000000000000000-mapping.dmp

Download
memory/5020-137-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/5020-139-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/5020-141-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download