a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60

Analysis

max time kernel
161s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 16:11 UTC

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
Size

48KB
MD5

1ff8070c0dd9246a11822761780f492a
SHA1

433f41cb11d107bf2c44a28f5ca3019d3505796b
SHA256

a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60
SHA512

285e4755cb43acbbf34a0b14347e3f347013d348a261238592a3d71ea795a95a3cd3e9b17d8bb8f6f877cc08a3a8028ef1171f3dd1326fb8458a9048d13505a1
SSDEEP

768:NR8Yv0lgin6gxLRiSAOvJ6L5WhvkBEpKeeQybU7X1cDuhsqfGzzqwx+e1w:TSnNXvtCXgb1cZPzTxH

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\Windows Protection = "C:\\Windows\\FireWall.exe"	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\Windows Update = "C:\\Windows\\system32\\WinUpdate.exe"	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5092-132-0x0000000010000000-0x000000001001A000-memory.dmp	upx
behavioral2/memory/5092-137-0x0000000010000000-0x000000001001A000-memory.dmp	upx
behavioral2/memory/4300-139-0x0000000010000000-0x000000001001A000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WinUpdate.exe	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
File opened for modification	C:\Windows\SysWOW64\WinUpdate.exe	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5092 set thread context of 4300	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe	80

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\FireWall.exe	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
Token: SeDebugPrivilege	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
Token: SeDebugPrivilege	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 4300	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe	80
PID 5092 wrote to memory of 4300	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe	80
PID 5092 wrote to memory of 4300	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe	80
PID 5092 wrote to memory of 4300	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe	80
PID 5092 wrote to memory of 4300	5092	a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe	80

C:\Users\Admin\AppData\Local\Temp\a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
"C:\Users\Admin\AppData\Local\Temp\a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe"
1⤵
- Adds policy Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
  C:\Users\Admin\AppData\Local\Temp\a907c441cdafdee27259492e0b5b3c0383f675dbd164d68978823c2057decb60.exe
  2⤵
  PID:4300

Network

DNS

226.101.242.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

226.101.242.52.in-addr.arpa

IN PTR

Response
DNS

a.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa

Remote address:

8.8.8.8:53

Request

a.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa

IN PTR

Response

40.79.141.153:443

322 B
7
93.184.220.29:80

322 B
7
93.184.221.240:80

322 B
7

8.8.8.8:53

226.101.242.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

226.101.242.52.in-addr.arpa
8.8.8.8:53

a.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa

dns

118 B
204 B
1
1

DNS Request

a.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4300-134-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4300-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4300-138-0x0000000000020000-0x0000000000031000-memory.dmp

Filesize
68KB

Download
memory/4300-139-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/4300-140-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5092-132-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/5092-137-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download