afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7

General

Target

afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
Size

980KB
MD5

b9caf68a76a93c48b7f4f1163de85546
SHA1

cf233f398452f12bdfe51e2c6483f7f2a25e55bf
SHA256

afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7
SHA512

ab9906f96780e35e53e811085b6b145fcad439e6e0730d88d296649d44e9273773166011fc3665332851243c4b97725ec7b78de6da7ae73585b5a1ba28652b45
SSDEEP

24576:lQ8qK0qjIGAvsK0qjIGAYwP+Wt4hOWRzxDw4Y9e3+7KHVXX:l3X0qkZ0q9wPt4hOWRzxzYjeVXX

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\spools.exe	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1504-54-0x0000000000400000-0x0000000001564000-memory.dmp	upx
behavioral1/memory/1504-58-0x0000000000400000-0x0000000001564000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe

Enumerates connected drives 3 TTPs 20 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\U:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\V:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\W:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\R:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\M:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\N:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\S:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\H:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\F:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\I:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\L:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\O:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\P:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\T:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\E:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\J:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\K:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\Q:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\X:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
File opened (read-only)	\??\G:	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1336	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	26
PID 1504 wrote to memory of 1336	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	26
PID 1504 wrote to memory of 1336	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	26
PID 1504 wrote to memory of 1336	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	26
PID 1504 wrote to memory of 1108	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	28
PID 1504 wrote to memory of 1108	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	28
PID 1504 wrote to memory of 1108	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	28
PID 1504 wrote to memory of 1108	1504	afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe	28

C:\Users\Admin\AppData\Local\Temp\afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe
"C:\Users\Admin\AppData\Local\Temp\afc0c36d91cd2f01fcb6782a8e9eb29689bbc9538dac9343a8ff5135b17adbc7.exe"
1⤵
- Modifies system executable filetype association
- Drops file in Drivers directory
- Sets service image path in registry
- Adds Run key to start application
- Enumerates connected drives
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Cookies\"
  2⤵
  PID:1336
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Application Data\Macromedia\Flash Player\"
  2⤵
  PID:1108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1504-54-0x0000000000400000-0x0000000001564000-memory.dmp

Filesize
17.4MB

Download
memory/1504-57-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1504-58-0x0000000000400000-0x0000000001564000-memory.dmp

Filesize
17.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads