e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31

General

Target

e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe
Size

89KB
MD5

6bb3b23ff3e736d499775120aa8d6ae2
SHA1

f52f40f5a65230670db355cff2845c285ef2b25c
SHA256

e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31
SHA512

3c8aa855e7fd401577657315f8db34bf383d0565e4a3f47395750616f80a41025a96d42165df03ef8e620f73dd839444887e8e505ab6a445877a60200d458af4
SSDEEP

1536:O67JRV1jaC09gnjhCX92tSklfO97YII3JwjR0b2iFyO/pDUBY:fln1jaC1njPZtIyuR0bnFyORGY

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

winlogin.exe

pid process

1728 winlogin.exe

pid	process
1728	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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Active Setup\Installed Components\05F16C88-71D3-42C1-BB4F-E9BAF7DB4A9E	winlogin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Active Setup\Installed Components\05F16C88-71D3-42C1-BB4F-E9BAF7DB4A9E\cfg = "{3127FF11-907B-4F3B-90C7-795ECC517482}GR }ORXGKKZC "	winlogin.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1116 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1116 cmd.exe

pid	process
1116	cmd.exe

pid	process
1116	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlogin = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\winlogin.exe"	winlogin.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	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

1732 PING.EXE

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

pid	process
1732	PING.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.execmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 896	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 2024 wrote to memory of 896	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 2024 wrote to memory of 896	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 2024 wrote to memory of 896	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 2024 wrote to memory of 1116	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 2024 wrote to memory of 1116	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 2024 wrote to memory of 1116	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 2024 wrote to memory of 1116	2024	e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe	cmd.exe
PID 1116 wrote to memory of 1732	1116	cmd.exe	PING.EXE
PID 1116 wrote to memory of 1732	1116	cmd.exe	PING.EXE
PID 1116 wrote to memory of 1732	1116	cmd.exe	PING.EXE
PID 1116 wrote to memory of 1732	1116	cmd.exe	PING.EXE
PID 1116 wrote to memory of 1728	1116	cmd.exe	winlogin.exe
PID 1116 wrote to memory of 1728	1116	cmd.exe	winlogin.exe
PID 1116 wrote to memory of 1728	1116	cmd.exe	winlogin.exe
PID 1116 wrote to memory of 1728	1116	cmd.exe	winlogin.exe
PID 1116 wrote to memory of 1728	1116	cmd.exe	winlogin.exe
PID 1116 wrote to memory of 1728	1116	cmd.exe	winlogin.exe
PID 1116 wrote to memory of 1728	1116	cmd.exe	winlogin.exe

C:\Users\Admin\AppData\Local\Temp\e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe
"C:\Users\Admin\AppData\Local\Temp\e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024

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:896

C:\Windows\SysWOW64\cmd.exe
cmd /D /R ping -n 10 localhost && del "C:\Users\Admin\AppData\Local\Temp\e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31.exe" && start /B "" "C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe" && exit
2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
3⤵
- Runs ping.exe
PID:1732

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:1728

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
89KB

MD5
6bb3b23ff3e736d499775120aa8d6ae2

SHA1
f52f40f5a65230670db355cff2845c285ef2b25c

SHA256
e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31

SHA512
3c8aa855e7fd401577657315f8db34bf383d0565e4a3f47395750616f80a41025a96d42165df03ef8e620f73dd839444887e8e505ab6a445877a60200d458af4

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
89KB

MD5
6bb3b23ff3e736d499775120aa8d6ae2

SHA1
f52f40f5a65230670db355cff2845c285ef2b25c

SHA256
e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31

SHA512
3c8aa855e7fd401577657315f8db34bf383d0565e4a3f47395750616f80a41025a96d42165df03ef8e620f73dd839444887e8e505ab6a445877a60200d458af4

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
89KB

MD5
6bb3b23ff3e736d499775120aa8d6ae2

SHA1
f52f40f5a65230670db355cff2845c285ef2b25c

SHA256
e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31

SHA512
3c8aa855e7fd401577657315f8db34bf383d0565e4a3f47395750616f80a41025a96d42165df03ef8e620f73dd839444887e8e505ab6a445877a60200d458af4

Download Submit
\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
89KB

MD5
6bb3b23ff3e736d499775120aa8d6ae2

SHA1
f52f40f5a65230670db355cff2845c285ef2b25c

SHA256
e1c3ee486d23903dc87e69d85904a1b7d3ad2d0b272ae4eec6ad33077ab7fe31

SHA512
3c8aa855e7fd401577657315f8db34bf383d0565e4a3f47395750616f80a41025a96d42165df03ef8e620f73dd839444887e8e505ab6a445877a60200d458af4

Download Submit
memory/896-55-0x0000000000000000-mapping.dmp

Download
memory/1116-58-0x0000000000000000-mapping.dmp

Download
memory/1728-62-0x0000000000000000-mapping.dmp

Download
memory/1728-64-0x0000000001F30000-0x00000000020AE000-memory.dmp

Filesize
1.5MB

Download
memory/1728-65-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1728-66-0x0000000001F30000-0x00000000020AE000-memory.dmp

Filesize
1.5MB

Download
memory/1732-59-0x0000000000000000-mapping.dmp

Download
memory/2024-54-0x0000000001F30000-0x00000000020AE000-memory.dmp

Filesize
1.5MB

Download
memory/2024-57-0x0000000001F30000-0x00000000020AE000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads