672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f

General

Target

672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
Size

1.9MB
MD5

4600f3fefc27a218542df4a1f207b9e0
SHA1

14d425be26dec14c5738a046bbe2500683d4861b
SHA256

672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f
SHA512

bf94493894e5453002a5bda61c992610042f724337e2c50026e5cd621588860a509e2c08cf3f873ce784d9eb7071f4b5e58d4e9c4adcab7e73ca18aa1290d45b
SSDEEP

3072:1+kZqVeInSk82TfatZ9mD5fvNj6kECsjZ:1jaSk8iCtPmD5Hl6ysN

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 5 IoCs

Processes:

winlogon.exewinlogon.exewinlogon.exewinlogon.exewinlogon.exe

pid process

5092 winlogon.exe
1628 winlogon.exe
2984 winlogon.exe
2792 winlogon.exe
5032 winlogon.exe

pid	process
5092	winlogon.exe
1628	winlogon.exe
2984	winlogon.exe
2792	winlogon.exe
5032	winlogon.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4780-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4780-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4780-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4780-140-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4780-145-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1628-154-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1628-158-0x0000000000400000-0x000000000041C000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 4072 set thread context of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 5092 set thread context of 1628	5092	winlogon.exe	winlogon.exe
PID 1628 set thread context of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 set thread context of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 set thread context of 5032	1628	winlogon.exe	winlogon.exe

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

System Information Discovery
T1082
Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

224 2984 WerFault.exe winlogon.exe
3136 2792 WerFault.exe winlogon.exe
4528 5032 WerFault.exe winlogon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exewinlogon.exe

pid process

4780 672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
1628 winlogon.exe

pid	pid_target	process	target process
224	2984	WerFault.exe	winlogon.exe
3136	2792	WerFault.exe	winlogon.exe
4528	5032	WerFault.exe	winlogon.exe

pid	process
4780	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
1628	winlogon.exe

Suspicious use of WriteProcessMemory 49 IoCs

Processes:

672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 4072 wrote to memory of 1436	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	svchost.exe
PID 4072 wrote to memory of 1436	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	svchost.exe
PID 4072 wrote to memory of 1436	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	svchost.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4072 wrote to memory of 4780	4072	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
PID 4780 wrote to memory of 5092	4780	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	winlogon.exe
PID 4780 wrote to memory of 5092	4780	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	winlogon.exe
PID 4780 wrote to memory of 5092	4780	672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe	winlogon.exe
PID 5092 wrote to memory of 560	5092	winlogon.exe	svchost.exe
PID 5092 wrote to memory of 560	5092	winlogon.exe	svchost.exe
PID 5092 wrote to memory of 560	5092	winlogon.exe	svchost.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 5092 wrote to memory of 1628	5092	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2984	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 2792	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe
PID 1628 wrote to memory of 5032	1628	winlogon.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
"C:\Users\Admin\AppData\Local\Temp\672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4072

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:1436

C:\Users\Admin\AppData\Local\Temp\672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f.exe
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5092

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
4⤵
PID:560

C:\Users\Admin\E696D64614\winlogon.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 12
6⤵
- Program crash
PID:224

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:2792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 12
6⤵
- Program crash
PID:3136

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 12
6⤵
- Program crash
PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2984 -ip 2984
1⤵
PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2792 -ip 2792
1⤵
PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5032 -ip 5032
1⤵
PID:3176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.9MB

MD5
4600f3fefc27a218542df4a1f207b9e0

SHA1
14d425be26dec14c5738a046bbe2500683d4861b

SHA256
672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f

SHA512
bf94493894e5453002a5bda61c992610042f724337e2c50026e5cd621588860a509e2c08cf3f873ce784d9eb7071f4b5e58d4e9c4adcab7e73ca18aa1290d45b

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.9MB

MD5
4600f3fefc27a218542df4a1f207b9e0

SHA1
14d425be26dec14c5738a046bbe2500683d4861b

SHA256
672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f

SHA512
bf94493894e5453002a5bda61c992610042f724337e2c50026e5cd621588860a509e2c08cf3f873ce784d9eb7071f4b5e58d4e9c4adcab7e73ca18aa1290d45b

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.9MB

MD5
4600f3fefc27a218542df4a1f207b9e0

SHA1
14d425be26dec14c5738a046bbe2500683d4861b

SHA256
672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f

SHA512
bf94493894e5453002a5bda61c992610042f724337e2c50026e5cd621588860a509e2c08cf3f873ce784d9eb7071f4b5e58d4e9c4adcab7e73ca18aa1290d45b

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.9MB

MD5
4600f3fefc27a218542df4a1f207b9e0

SHA1
14d425be26dec14c5738a046bbe2500683d4861b

SHA256
672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f

SHA512
bf94493894e5453002a5bda61c992610042f724337e2c50026e5cd621588860a509e2c08cf3f873ce784d9eb7071f4b5e58d4e9c4adcab7e73ca18aa1290d45b

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.9MB

MD5
4600f3fefc27a218542df4a1f207b9e0

SHA1
14d425be26dec14c5738a046bbe2500683d4861b

SHA256
672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f

SHA512
bf94493894e5453002a5bda61c992610042f724337e2c50026e5cd621588860a509e2c08cf3f873ce784d9eb7071f4b5e58d4e9c4adcab7e73ca18aa1290d45b

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.9MB

MD5
4600f3fefc27a218542df4a1f207b9e0

SHA1
14d425be26dec14c5738a046bbe2500683d4861b

SHA256
672ddc8560117901848158f7ed21dddb8beff6c47a6af031e1c9828505e8fc9f

SHA512
bf94493894e5453002a5bda61c992610042f724337e2c50026e5cd621588860a509e2c08cf3f873ce784d9eb7071f4b5e58d4e9c4adcab7e73ca18aa1290d45b

Download Submit
memory/560-144-0x0000000000000000-mapping.dmp

Download
memory/1436-132-0x0000000000000000-mapping.dmp

Download
memory/1628-158-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1628-154-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1628-146-0x0000000000000000-mapping.dmp

Download
memory/2792-159-0x0000000000000000-mapping.dmp

Download
memory/2984-155-0x0000000000000000-mapping.dmp

Download
memory/4780-140-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4780-145-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4780-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4780-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4780-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4780-133-0x0000000000000000-mapping.dmp

Download
memory/5032-162-0x0000000000000000-mapping.dmp

Download
memory/5092-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads