cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795

General

Target

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
Size

421KB
MD5

832bb1fb1bedc1a6d3deb63d3636413d
SHA1

edbbff0b8c1f221eca26129bf59b2104e172e2e9
SHA256

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795
SHA512

4b574aba9bd7a77d47af5febe502200e558c1004e7a3f4846526e852668e3d5a076abdd611804da5a897be094adcad21cbd257269fde5f31f5f012c3c9014829
SSDEEP

6144:Vv5x0A5+vNcUTcvaXJAjwKKx4DF9UQuscjSu3Oau+7qh7SVWl/iYus:F5x0AEveULotKx40QuscGxBP7t/iLs

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion
Executes dropped EXE 1 IoCs

Processes:

ELykrxMDBOkc.exe

pid process

320 ELykrxMDBOkc.exe

pid	process
320	ELykrxMDBOkc.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1900-57-0x0000000000400000-0x000000000049C000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

pid process

1900 cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ELykrxMDBOkc.exe = "C:\\ProgramData\\ELykrxMDBOkc.exe"	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

pid	process
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

description	pid	process	target process
PID 1900 wrote to memory of 320	1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe	ELykrxMDBOkc.exe
PID 1900 wrote to memory of 320	1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe	ELykrxMDBOkc.exe
PID 1900 wrote to memory of 320	1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe	ELykrxMDBOkc.exe
PID 1900 wrote to memory of 320	1900	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe	ELykrxMDBOkc.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe

C:\Users\Admin\AppData\Local\Temp\cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe
"C:\Users\Admin\AppData\Local\Temp\cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1900
- C:\ProgramData\ELykrxMDBOkc.exe
  C:\ProgramData\ELykrxMDBOkc.exe
  2⤵
  - Executes dropped EXE
  PID:320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\ELykrxMDBOkc.exe

Filesize
421KB

MD5
832bb1fb1bedc1a6d3deb63d3636413d

SHA1
edbbff0b8c1f221eca26129bf59b2104e172e2e9

SHA256
cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795

SHA512
4b574aba9bd7a77d47af5febe502200e558c1004e7a3f4846526e852668e3d5a076abdd611804da5a897be094adcad21cbd257269fde5f31f5f012c3c9014829

Download Submit
\ProgramData\ELykrxMDBOkc.exe

Filesize
421KB

MD5
832bb1fb1bedc1a6d3deb63d3636413d

SHA1
edbbff0b8c1f221eca26129bf59b2104e172e2e9

SHA256
cdbdb6e1eb0e3b72b0338cead42409aabd1866a8524ebd66fcf4b0933bbdb795

SHA512
4b574aba9bd7a77d47af5febe502200e558c1004e7a3f4846526e852668e3d5a076abdd611804da5a897be094adcad21cbd257269fde5f31f5f012c3c9014829

Download Submit
memory/320-60-0x0000000000000000-mapping.dmp

Download
memory/1900-54-0x0000000075A81000-0x0000000075A83000-memory.dmp

Filesize
8KB

Download
memory/1900-55-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/1900-56-0x00000000002C0000-0x00000000002F5000-memory.dmp

Filesize
212KB

Download
memory/1900-57-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/1900-58-0x00000000002C0000-0x00000000002F5000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads