a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf

General

Target

a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe
Size

109KB
MD5

364a4598b51f44332e67e001f1b0803f
SHA1

ff42dec2fdddb5d7714b0269afaac3aa5b26a0e3
SHA256

a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf
SHA512

b601b809182b3a3fc636d3a0ea6daf11b42244b0ce2d0a486353d1aa5913a109daafc4592898e80faa1a5f8e4632b7a09a5e0cbb5e740b7d8a236354bf80c9af
SSDEEP

3072:c6vgNUWoU9E2TQacJR4NoupGZQohR2bMX5U:c6vg2LU9E2TGXRQ4R3a

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

winlogin.exe

pid process

528 winlogin.exe

pid	process
528	winlogin.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogin.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Active Setup\Installed Components\05F16C88-71D3-42C1-BB4F-E9BAF7DB4A9E	winlogin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Active Setup\Installed Components\05F16C88-71D3-42C1-BB4F-E9BAF7DB4A9E\cfg = "{DD18A49E-5F23-42C5-9D63-3D37D0CA6298}1603 }RYNKSFQE "	winlogin.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1532 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1532 cmd.exe

pid	process
1532	cmd.exe

pid	process
1532	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogin.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	winlogin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlogin = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\winlogin.exe"	winlogin.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
6 api.ipify.org
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

600 PING.EXE

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	api.ipify.org

pid	process
600	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exewinlogin.exe

pid	process
1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe
1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe
528	winlogin.exe
528	winlogin.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.execmd.exe

description	pid	process	target process
PID 1464 wrote to memory of 1120	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1464 wrote to memory of 1120	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1464 wrote to memory of 1120	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1464 wrote to memory of 1120	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1464 wrote to memory of 1532	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1464 wrote to memory of 1532	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1464 wrote to memory of 1532	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1464 wrote to memory of 1532	1464	a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe	cmd.exe
PID 1532 wrote to memory of 600	1532	cmd.exe	PING.EXE
PID 1532 wrote to memory of 600	1532	cmd.exe	PING.EXE
PID 1532 wrote to memory of 600	1532	cmd.exe	PING.EXE
PID 1532 wrote to memory of 600	1532	cmd.exe	PING.EXE
PID 1532 wrote to memory of 528	1532	cmd.exe	winlogin.exe
PID 1532 wrote to memory of 528	1532	cmd.exe	winlogin.exe
PID 1532 wrote to memory of 528	1532	cmd.exe	winlogin.exe
PID 1532 wrote to memory of 528	1532	cmd.exe	winlogin.exe

C:\Users\Admin\AppData\Local\Temp\a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe
"C:\Users\Admin\AppData\Local\Temp\a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\cmd.exe
cmd /D /R type "C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe" > ___ && move /Y ___ "C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe"
2⤵
PID:1120

C:\Windows\SysWOW64\cmd.exe
cmd /D /R ping -n 10 localhost && del "C:\Users\Admin\AppData\Local\Temp\a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf.exe" && start /B "" "C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe" && exit
2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
3⤵
- Runs ping.exe
PID:600

C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
"C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe"
3⤵
- Executes dropped EXE
- Modifies Installed Components in the registry
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
109KB

MD5
364a4598b51f44332e67e001f1b0803f

SHA1
ff42dec2fdddb5d7714b0269afaac3aa5b26a0e3

SHA256
a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf

SHA512
b601b809182b3a3fc636d3a0ea6daf11b42244b0ce2d0a486353d1aa5913a109daafc4592898e80faa1a5f8e4632b7a09a5e0cbb5e740b7d8a236354bf80c9af

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
109KB

MD5
364a4598b51f44332e67e001f1b0803f

SHA1
ff42dec2fdddb5d7714b0269afaac3aa5b26a0e3

SHA256
a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf

SHA512
b601b809182b3a3fc636d3a0ea6daf11b42244b0ce2d0a486353d1aa5913a109daafc4592898e80faa1a5f8e4632b7a09a5e0cbb5e740b7d8a236354bf80c9af

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
109KB

MD5
364a4598b51f44332e67e001f1b0803f

SHA1
ff42dec2fdddb5d7714b0269afaac3aa5b26a0e3

SHA256
a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf

SHA512
b601b809182b3a3fc636d3a0ea6daf11b42244b0ce2d0a486353d1aa5913a109daafc4592898e80faa1a5f8e4632b7a09a5e0cbb5e740b7d8a236354bf80c9af

Download Submit
\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
109KB

MD5
364a4598b51f44332e67e001f1b0803f

SHA1
ff42dec2fdddb5d7714b0269afaac3aa5b26a0e3

SHA256
a22382517b602b256a1243e54868870db35db9c391a991754d3a97737aa5a1cf

SHA512
b601b809182b3a3fc636d3a0ea6daf11b42244b0ce2d0a486353d1aa5913a109daafc4592898e80faa1a5f8e4632b7a09a5e0cbb5e740b7d8a236354bf80c9af

Download Submit
memory/528-62-0x0000000000000000-mapping.dmp

Download
memory/528-65-0x0000000001FB0000-0x000000000211B000-memory.dmp

Filesize
1.4MB

Download
memory/600-59-0x0000000000000000-mapping.dmp

Download
memory/1120-55-0x0000000000000000-mapping.dmp

Download
memory/1464-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1464-57-0x0000000002000000-0x000000000216B000-memory.dmp

Filesize
1.4MB

Download
memory/1532-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads