f89bad6f110464421deffae3b05bc324dda2e42b645abb39edd1f13dcf0cf956

General

Target

1e0af3101af3d46c2ea4f6c2b38a1077.exe
Size

273KB
MD5

1e0af3101af3d46c2ea4f6c2b38a1077
SHA1

e7860cba2370f1e4bf28943d2120cbd8c4163bc6
SHA256

f89bad6f110464421deffae3b05bc324dda2e42b645abb39edd1f13dcf0cf956
SHA512

ae81452483dcf700dcbade6401cb1282c6fd6e6ceea0e7936d80eee3784d1d3969b9b62d4f6672f4eafb70b315d5041120541064ecc01588a2f05e9780baa2de
SSDEEP

6144:l0xJxZ9IJu92qJGM1UoBOeY4ycSEllSvVGS5Ey:ux99I82uvmql9hS2SvVGSa

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\winlogon = "C:\\Windows\\winlogon.exe"	winlogon.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	winlogon.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1520-1-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/files/0x00070000000122c9-6.dat	upx
behavioral1/memory/2644-11-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1520-9-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/files/0x00070000000122c9-8.dat	upx
behavioral1/memory/1520-0-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-18-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-19-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-20-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-21-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-22-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-23-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-24-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-25-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-26-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-27-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2644-28-0x0000000000400000-0x0000000000455000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\winlogon.exe	1e0af3101af3d46c2ea4f6c2b38a1077.exe
File opened for modification	C:\Windows\winlogon.exe	1e0af3101af3d46c2ea4f6c2b38a1077.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 2644	1520	1e0af3101af3d46c2ea4f6c2b38a1077.exe	16
PID 1520 wrote to memory of 2644	1520	1e0af3101af3d46c2ea4f6c2b38a1077.exe	16
PID 1520 wrote to memory of 2644	1520	1e0af3101af3d46c2ea4f6c2b38a1077.exe	16
PID 1520 wrote to memory of 2644	1520	1e0af3101af3d46c2ea4f6c2b38a1077.exe	16

C:\Windows\winlogon.exe
"C:\Windows\winlogon.exe"
1⤵
- Adds policy Run key to start application
- Executes dropped EXE
PID:2644

C:\Users\Admin\AppData\Local\Temp\1e0af3101af3d46c2ea4f6c2b38a1077.exe
"C:\Users\Admin\AppData\Local\Temp\1e0af3101af3d46c2ea4f6c2b38a1077.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\winlogon.exe

Filesize
1KB

MD5
ce3ec81a555c288e8e2b3bdbef85f4cf

SHA1
8ca064f44c688daa6b34c2485cc69f0adf8cb7eb

SHA256
88800a6d552bf30a48c7e412fac0b195f30fb6e1ba591bb8c35132baa853d9ba

SHA512
84148b67dca033e0c76818d038335a74376c15f57822b19f923963a402be3d7a559752918dbdaf5c774f5558fd16a8ff0372b907071b20354db36555312aa534

Download Submit
C:\Windows\winlogon.exe

Filesize
132KB

MD5
531990bd1f07c3f22dc76fe474e6f78d

SHA1
1aae5b2c1130608421046cf7fdecbf118bd14b62

SHA256
bd4b04d3b41f33306b275339fffa93547a95c52e3efc81b6f9a67c934cf03083

SHA512
7342d88f202f754ec5a5624986227f82ca95f717b34551d28f03d102968d6d7072c846240e9d12419256f946a0cb57280a207164d346636a3d676873dda17d9b

Download Submit
memory/1520-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1520-1-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1520-15-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/1520-10-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/1520-9-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-21-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-12-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2644-18-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-19-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-20-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-22-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-23-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-24-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-25-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-26-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-27-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2644-28-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads