c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773

General

Target

c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe
Size

118KB
MD5

aea239b16b4d9378106461ed5dcb56dc
SHA1

141e121dfa16864be0138bc5052ccd879089b4ef
SHA256

c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773
SHA512

f46b3bef6a7a3403b387b58439965a4df1c6f1fd6466376696ca1bb726262017a34ef03a6d674e84f2fd00c9dbe71e2b1dd1dce11cdf8f546cabb9e996e89518
SSDEEP

3072:PQYLhpkD3rY0kf45mc6yCkpBj4FXM9Kx8:PQQhGD3r5kfCAy/BIXMox

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

winlogin.exe

pid process

1312 winlogin.exe

pid	process
1312	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 = "{F33DA147-FECF-436E-BDD2-5261FB48820E}GRPLOG }RYNKSFQE "	winlogin.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1748 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1748 cmd.exe

pid	process
1748	cmd.exe

pid	process
1748	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

588 PING.EXE

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

pid	process
588	PING.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.execmd.exe

description	pid	process	target process
PID 1288 wrote to memory of 872	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1288 wrote to memory of 872	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1288 wrote to memory of 872	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1288 wrote to memory of 872	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1288 wrote to memory of 1748	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1288 wrote to memory of 1748	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1288 wrote to memory of 1748	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1288 wrote to memory of 1748	1288	c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe	cmd.exe
PID 1748 wrote to memory of 588	1748	cmd.exe	PING.EXE
PID 1748 wrote to memory of 588	1748	cmd.exe	PING.EXE
PID 1748 wrote to memory of 588	1748	cmd.exe	PING.EXE
PID 1748 wrote to memory of 588	1748	cmd.exe	PING.EXE
PID 1748 wrote to memory of 1312	1748	cmd.exe	winlogin.exe
PID 1748 wrote to memory of 1312	1748	cmd.exe	winlogin.exe
PID 1748 wrote to memory of 1312	1748	cmd.exe	winlogin.exe
PID 1748 wrote to memory of 1312	1748	cmd.exe	winlogin.exe

C:\Users\Admin\AppData\Local\Temp\c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe
"C:\Users\Admin\AppData\Local\Temp\c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1288

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:872

C:\Windows\SysWOW64\cmd.exe
cmd /D /R ping -n 10 localhost && del "C:\Users\Admin\AppData\Local\Temp\c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773.exe" && start /B "" "C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe" && exit
2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
3⤵
- Runs ping.exe
PID:588

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:1312

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
118KB

MD5
aea239b16b4d9378106461ed5dcb56dc

SHA1
141e121dfa16864be0138bc5052ccd879089b4ef

SHA256
c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773

SHA512
f46b3bef6a7a3403b387b58439965a4df1c6f1fd6466376696ca1bb726262017a34ef03a6d674e84f2fd00c9dbe71e2b1dd1dce11cdf8f546cabb9e996e89518

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
118KB

MD5
aea239b16b4d9378106461ed5dcb56dc

SHA1
141e121dfa16864be0138bc5052ccd879089b4ef

SHA256
c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773

SHA512
f46b3bef6a7a3403b387b58439965a4df1c6f1fd6466376696ca1bb726262017a34ef03a6d674e84f2fd00c9dbe71e2b1dd1dce11cdf8f546cabb9e996e89518

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
118KB

MD5
aea239b16b4d9378106461ed5dcb56dc

SHA1
141e121dfa16864be0138bc5052ccd879089b4ef

SHA256
c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773

SHA512
f46b3bef6a7a3403b387b58439965a4df1c6f1fd6466376696ca1bb726262017a34ef03a6d674e84f2fd00c9dbe71e2b1dd1dce11cdf8f546cabb9e996e89518

Download Submit
\Users\Admin\AppData\Roaming\Windows\winlogin.exe
Filesize
118KB

MD5
aea239b16b4d9378106461ed5dcb56dc

SHA1
141e121dfa16864be0138bc5052ccd879089b4ef

SHA256
c97b0291ac92a49293a1c8e5a9145241d2e09f9b53df8c13c70ca33701090773

SHA512
f46b3bef6a7a3403b387b58439965a4df1c6f1fd6466376696ca1bb726262017a34ef03a6d674e84f2fd00c9dbe71e2b1dd1dce11cdf8f546cabb9e996e89518

Download Submit
memory/588-59-0x0000000000000000-mapping.dmp

Download
memory/872-56-0x0000000000000000-mapping.dmp

Download
memory/1288-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1288-55-0x0000000002150000-0x00000000021E5000-memory.dmp

Filesize
596KB

Download
memory/1312-62-0x0000000000000000-mapping.dmp

Download
memory/1312-65-0x0000000001F70000-0x0000000002005000-memory.dmp

Filesize
596KB

Download
memory/1748-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads