4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4

General

Target

4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe
Size

137KB
MD5

2a95c5a6b7d2918baa2e652ae3184cdd
SHA1

baf70ba6b17c15720b9d7cd1cdc9e1c4b53e0148
SHA256

4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4
SHA512

b058f537d4511d7a3b9cc84f2de211c2f5c299425610b6e3754a1e4ffbbf917512e4e5064b3251e008e835cf2d4d6becfede1307aefad77f108e260d56c99fa3
SSDEEP

1536:7+uAoFUlrkqG3p26gEOQBApzaSxI81jkfenLBKBJX8LYlo0yaI3EgcBCFEc5T8YH:6hNGujR9msKBdVyEgcBCFEAT8Y+e

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
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 = "{B5C99A8B-13F0-4392-8FFF-D976CD16AD4B}281R }RYNKSFQE "	winlogin.exe
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

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 use of WriteProcessMemory 16 IoCs

Processes:

4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.execmd.exe

description	pid	process	target process
PID 1276 wrote to memory of 1120	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe	cmd.exe
PID 1276 wrote to memory of 1120	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe	cmd.exe
PID 1276 wrote to memory of 1120	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe	cmd.exe
PID 1276 wrote to memory of 1120	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe	cmd.exe
PID 1276 wrote to memory of 1532	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe	cmd.exe
PID 1276 wrote to memory of 1532	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe	cmd.exe
PID 1276 wrote to memory of 1532	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe	cmd.exe
PID 1276 wrote to memory of 1532	1276	4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.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\4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe
"C:\Users\Admin\AppData\Local\Temp\4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1276

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\4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4.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
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\Microsoft\Crypto\RSA\S-1-5-21-4063495947-34355257-727531523-1000\3310a4fa6cb9c60504498d7eea986fc2_8e28fefd-2db0-4dd4-85d7-665f2cf2c74b
Filesize
50B

MD5
45218adff3ea5bde8a8f61987f0f458b

SHA1
cf7fffa410795cc2f7703755f0acd17b51a44ad7

SHA256
f95361b82464704675f559b13c007c9567e5914984042f537122383e747194d4

SHA512
8442cac48931075ec5bd31ea82faffc4f64d7b6845d5c477d06fc3d7eefeac1fa366b6880a85709a520a343b5dd3771e69bc4b7482cde50e69e04215927a2018

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
137KB

MD5
2a95c5a6b7d2918baa2e652ae3184cdd

SHA1
baf70ba6b17c15720b9d7cd1cdc9e1c4b53e0148

SHA256
4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4

SHA512
b058f537d4511d7a3b9cc84f2de211c2f5c299425610b6e3754a1e4ffbbf917512e4e5064b3251e008e835cf2d4d6becfede1307aefad77f108e260d56c99fa3

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
137KB

MD5
2a95c5a6b7d2918baa2e652ae3184cdd

SHA1
baf70ba6b17c15720b9d7cd1cdc9e1c4b53e0148

SHA256
4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4

SHA512
b058f537d4511d7a3b9cc84f2de211c2f5c299425610b6e3754a1e4ffbbf917512e4e5064b3251e008e835cf2d4d6becfede1307aefad77f108e260d56c99fa3

Download Submit
\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
137KB

MD5
2a95c5a6b7d2918baa2e652ae3184cdd

SHA1
baf70ba6b17c15720b9d7cd1cdc9e1c4b53e0148

SHA256
4eab6ff74803fe38704ba7cd524f32f90c9346a5c37f659bba916a232384a6a4

SHA512
b058f537d4511d7a3b9cc84f2de211c2f5c299425610b6e3754a1e4ffbbf917512e4e5064b3251e008e835cf2d4d6becfede1307aefad77f108e260d56c99fa3

Download Submit
memory/528-60-0x0000000000000000-mapping.dmp

Download
memory/528-63-0x00000000020A0000-0x00000000021C1000-memory.dmp

Filesize
1.1MB

Download
memory/528-64-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/600-58-0x0000000000000000-mapping.dmp

Download
memory/1120-54-0x0000000000000000-mapping.dmp

Download
memory/1276-56-0x00000000020C0000-0x00000000021E1000-memory.dmp

Filesize
1.1MB

Download
memory/1532-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads