8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd

General

Target

8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
Size

248KB
MD5

25efd5741079fc0f785406b863745733
SHA1

dc614bec7d891327e849639f9accf1ed06ec9794
SHA256

8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd
SHA512

c4867717f046568b149c05d6f12845013c9a01fc8ad17a50a0a6c20ef3d16fb2460b9816da08682c4ff128885b5d0bd26b29cfd583089121e2c2b9e7bdbaedd2
SSDEEP

3072:54clvBhDo0BKxWVeBYhInpMFgYykBgfXzRRpGPlOH+cZknPh43Ucl:Wcl3dgEeqPFXTgfV6PlOH+gKPu3x

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:

8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exetekal.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	tekal.exe

Executes dropped EXE 1 IoCs

Processes:

tekal.exe

pid process

1028 tekal.exe

pid	process
1028	tekal.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:

8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe

Adds Run key to start application 2 TTPs 54 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tekal.exe8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /H"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /g"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /T"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /F"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /D"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /V"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /J"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /m"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /j"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /s"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /L"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /S"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /t"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /h"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /e"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /q"	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /C"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /x"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /u"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /l"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /n"	tekal.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /O"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /i"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /Y"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /k"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /B"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /P"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /c"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /M"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /b"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /v"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /E"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /r"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /w"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /z"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /N"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /y"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /A"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /K"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /Q"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /X"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /q"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /d"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /G"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /o"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /f"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /a"	tekal.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /p"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /U"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /W"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /R"	tekal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tekal = "C:\\Users\\Admin\\tekal.exe /Z"	tekal.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:

8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exetekal.exe

pid	process
808	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
808	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe
1028	tekal.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exetekal.exe

pid process

808 8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
1028 tekal.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe

description	pid	process	target process
PID 808 wrote to memory of 1028	808	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe	tekal.exe
PID 808 wrote to memory of 1028	808	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe	tekal.exe
PID 808 wrote to memory of 1028	808	8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe	tekal.exe

C:\Users\Admin\AppData\Local\Temp\8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.exe
"C:\Users\Admin\AppData\Local\Temp\8d0ebdc5d2c6904503406660e51fb3abb9098f7ff764a30d3d5e3046271aa3dd.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:808

C:\Users\Admin\tekal.exe
"C:\Users\Admin\tekal.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:1028

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\tekal.exe

Filesize
248KB

MD5
4b8df7419502f90795116bc79895b840

SHA1
18ca4ca8c3e99b35e0bf34efcfb7ae88e08c353e

SHA256
fc185b0603bdab5fc4c10efdde4fb119fe30ed8785819ba5748c7aeca5d29112

SHA512
9b0e468e4bcbd8c196102e4767f8426718324db4b186962f157c166cc9cdd731cf5a9556484ef09fad420a89c0e4bdde741b6ab8962439527c28322c6340344a

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

Filesize
248KB

MD5
4b8df7419502f90795116bc79895b840

SHA1
18ca4ca8c3e99b35e0bf34efcfb7ae88e08c353e

SHA256
fc185b0603bdab5fc4c10efdde4fb119fe30ed8785819ba5748c7aeca5d29112

SHA512
9b0e468e4bcbd8c196102e4767f8426718324db4b186962f157c166cc9cdd731cf5a9556484ef09fad420a89c0e4bdde741b6ab8962439527c28322c6340344a

Download Submit
memory/1028-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads