a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c

Analysis

max time kernel
143s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
12/03/2022, 02:00

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General

Target
a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c.exe
Size 552KB
Sample220312-ce9xtaebb8
SHA256 a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c
MD5 4403a26c829661b9f5263dfa487fb580
SHA1 55cb63dc159648200ad7635cd381606e14c5c239
SHA512 021b848067b2295465f63fccb84e747495c7bcb844b637b8b5875f1c0b6734479482966184119a3198145793c1e9e58487722470891b66963facb7575590906a
MD5 SHA1 SHA512

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{85516CC6-A5EE-4250-9966-8D2AE5B043E4}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C6AA0727-7522-429A-A9B5-6E221DB0DD65}.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 use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 4104	4788	a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c.exe	82
PID 4788 wrote to memory of 4104	4788	a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c.exe	82
PID 4788 wrote to memory of 4104	4788	a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c.exe	82
PID 4104 wrote to memory of 4040	4104	fondue.exe	90
PID 4104 wrote to memory of 4040	4104	fondue.exe	90

C:\Users\Admin\AppData\Local\Temp\a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c.exe
"C:\Users\Admin\AppData\Local\Temp\a602aab2fa46985654a578e7b29f1505011272587d8a7545f579a44410bb245c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\fondue.exe
  "C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4104
- - C:\Windows\system32\FonDUE.EXE
    "C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll
    3⤵
    PID:4040

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:3868

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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