1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7

General

Target

1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Size

2.2MB
MD5

6f100b81066ee037b7af66a8a9ed83ee
SHA1

c8e9c126a829448ec08e27d83e3d9ee12586a0b3
SHA256

1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7
SHA512

1da8cadb2af86b4ee489f8742f3dde2ab8d164e113e51f7016dafc11dfef31fc8ab09c3464bb1c9b01c145234864f193fafc5d9280db2f8b1efe56075039ec33
SSDEEP

49152:/ZQYJxOgXGcvv2nf3srEPZ62zTbPtm7vdfa/ZGbpqOL:KYjVXGcvk8rEPnzTztxQ

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4556-132-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-133-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-134-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-136-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-138-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-140-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-142-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-144-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-146-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-148-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-154-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-156-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-152-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-150-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-158-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-160-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-162-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-164-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-166-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-168-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-170-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-172-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-174-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4556-175-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe

description ioc process

File created C:\Windows\SysWOW64\PastSelkN.sys 1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\SysWOW64\PastSelkN.sys	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\qq.com	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\qq.com\NumberOfSubdomains = "1"	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\IESettingSync	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DOMStorage\qq.com	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe

Suspicious behavior: LoadsDriver 2 IoCs

Processes:

pid process

632
632

pid	process
632
632

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe

pid	process
4556	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
4556	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
4556	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
4556	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
4556	1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe

C:\Users\Admin\AppData\Local\Temp\1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe
"C:\Users\Admin\AppData\Local\Temp\1e331893884ce2c8c078e96460b67133815e83d08da59733287cfec9146530c7.exe"
1⤵
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4556-132-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-133-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-134-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-136-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-138-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-140-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-142-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-144-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-146-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-148-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-154-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-156-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-152-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-150-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-158-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-160-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-162-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-164-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-166-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-168-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-170-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-172-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-174-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4556-175-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads