5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d

General

Target

5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe
Size

172KB
MD5

36b95047d576b743fc23c2754b237ac0
SHA1

8bf4e4d6463494c6a3d85a12c282a60334b24ff7
SHA256

5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d
SHA512

eeebbe689e7ab8dbb5979ec332ca235a2776abe283d4d61b5ec5d5e57c11da1c3269cdc740b3ce1fdc19a15a693aa6591033bfcf43cef8de24087cae78286a4f
SSDEEP

3072:VxjQXp5YHeNh1nm9JuKnvmb7/D26tvJc56bzfCKpbVuugHvmDQiBuAZdQN:7jQ7LNh1wMKnvmb7/D26tBc5KDCKpBuv

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

ciulua.exe5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ciulua.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe

Executes dropped EXE 1 IoCs

Processes:

ciulua.exe

pid process

4260 ciulua.exe

pid	process
4260	ciulua.exe

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:

5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe

Adds Run key to start application 2 TTPs 49 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ciulua.exe5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /z"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /D"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /d"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /O"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /k"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /X"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /c"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /g"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /p"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /L"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /s"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /q"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /S"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /G"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /t"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /J"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /i"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /m"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /C"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /e"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /f"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /K"	ciulua.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows\CurrentVersion\Run\	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /l"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /b"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /v"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /r"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /U"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /F"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /h"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /I"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /T"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /n"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /P"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /u"	ciulua.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows\CurrentVersion\Run\	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /Z"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /Y"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /o"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /a"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /y"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /W"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /Z"	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /H"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /N"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /B"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /M"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /R"	ciulua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciulua = "C:\\Users\\Admin\\ciulua.exe /x"	ciulua.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.execiulua.exe

pid	process
4368	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe
4368	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe
4260	ciulua.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.execiulua.exe

pid process

4368 5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe
4260 ciulua.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe

description	pid	process	target process
PID 4368 wrote to memory of 4260	4368	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe	ciulua.exe
PID 4368 wrote to memory of 4260	4368	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe	ciulua.exe
PID 4368 wrote to memory of 4260	4368	5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe	ciulua.exe

C:\Users\Admin\AppData\Local\Temp\5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe
"C:\Users\Admin\AppData\Local\Temp\5fe872a310251c03bd908e944a2d84ccb2cd5bb9593e34b2b71add05d8793d3d.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4368

C:\Users\Admin\ciulua.exe
"C:\Users\Admin\ciulua.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\ciulua.exe

Filesize
172KB

MD5
f1a09be1a95f5a6f495efa4ec0373543

SHA1
3df8da5c124a7e181227bcf9855f6bae779725a8

SHA256
966913bd64486e2f2a98f8688cb7fdb364f75cfa9117513912f0545ab00a0b32

SHA512
68897e803d47a426e54fc91577b406f18b93fbf065170f190b0533eba1dbfd49d27b5760091df4007c06d9099c75630c003ee57aaa40de5c1722b6eca107b1c3

Download Submit
C:\Users\Admin\ciulua.exe

Filesize
172KB

MD5
f1a09be1a95f5a6f495efa4ec0373543

SHA1
3df8da5c124a7e181227bcf9855f6bae779725a8

SHA256
966913bd64486e2f2a98f8688cb7fdb364f75cfa9117513912f0545ab00a0b32

SHA512
68897e803d47a426e54fc91577b406f18b93fbf065170f190b0533eba1dbfd49d27b5760091df4007c06d9099c75630c003ee57aaa40de5c1722b6eca107b1c3

Download Submit
memory/4260-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads