d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db

General

Target

d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
Size

316KB
MD5

8aa3ee839270cb28d05534f3fd5721d2
SHA1

be496410a16b7bd22d04c5234cfb10c0f00c3514
SHA256

d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db
SHA512

52ef0db49cdf4a3e2f43d910e170afdb12568a8d31f6c6a7987b7d99730983e99e744f2d3c80e8efed20ed57986d0eb57a2836a6a270cd4f5aebae0178ba82b0
SSDEEP

3072:VZJwhpF3SpWufu/muESamFi5eLb532qRgzqRe/aT4E1KZnBmaNtDvJRZ8Ng0ykdi:VZ43jb532qRmqRe/aT4EYDmaNtNRKNi

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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	koeafi.exe

Executes dropped EXE 1 IoCs

pid	Process
1868	koeafi.exe

Loads dropped DLL 2 IoCs

pid	Process
364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /q"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /b"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /s"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /n"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /y"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /t"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /a"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /k"	koeafi.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /r"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /o"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /j"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /u"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /i"	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /v"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /l"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /m"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /h"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /i"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /x"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /w"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /g"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /z"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /e"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /p"	koeafi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koeafi = "C:\\Users\\Admin\\koeafi.exe /d"	koeafi.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 50 IoCs

pid	Process
364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe
1868	koeafi.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
1868	koeafi.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 1868	364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe	26
PID 364 wrote to memory of 1868	364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe	26
PID 364 wrote to memory of 1868	364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe	26
PID 364 wrote to memory of 1868	364	d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe	26

C:\Users\Admin\AppData\Local\Temp\d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe
"C:\Users\Admin\AppData\Local\Temp\d064228c4138fbebb897dd0d74a69450ae58f1240ac9a33be7bb8e211f87a7db.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:364
- C:\Users\Admin\koeafi.exe
  "C:\Users\Admin\koeafi.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:1868

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\koeafi.exe

Filesize
316KB

MD5
709c8dff4f21aa188fb7ef4eaf00ce63

SHA1
4d094a1851cae643638b280b4a094874959e8754

SHA256
968dfe6e4cde87200a59efe818ee54290f0d45969bbb6eb853b3453b99d3248f

SHA512
eb0e69bbb59bb5073f5b60a56ce1ba72d74046912787b63dcc7ab9433b7fe60ae2d7e103dea3e87f36e3b04d7ff7f2a0109f797723a75e61e7d47ea0de8d3e48

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

Filesize
316KB

MD5
709c8dff4f21aa188fb7ef4eaf00ce63

SHA1
4d094a1851cae643638b280b4a094874959e8754

SHA256
968dfe6e4cde87200a59efe818ee54290f0d45969bbb6eb853b3453b99d3248f

SHA512
eb0e69bbb59bb5073f5b60a56ce1ba72d74046912787b63dcc7ab9433b7fe60ae2d7e103dea3e87f36e3b04d7ff7f2a0109f797723a75e61e7d47ea0de8d3e48

Download Submit
\Users\Admin\koeafi.exe

Filesize
316KB

MD5
709c8dff4f21aa188fb7ef4eaf00ce63

SHA1
4d094a1851cae643638b280b4a094874959e8754

SHA256
968dfe6e4cde87200a59efe818ee54290f0d45969bbb6eb853b3453b99d3248f

SHA512
eb0e69bbb59bb5073f5b60a56ce1ba72d74046912787b63dcc7ab9433b7fe60ae2d7e103dea3e87f36e3b04d7ff7f2a0109f797723a75e61e7d47ea0de8d3e48

Download Submit
\Users\Admin\koeafi.exe

Filesize
316KB

MD5
709c8dff4f21aa188fb7ef4eaf00ce63

SHA1
4d094a1851cae643638b280b4a094874959e8754

SHA256
968dfe6e4cde87200a59efe818ee54290f0d45969bbb6eb853b3453b99d3248f

SHA512
eb0e69bbb59bb5073f5b60a56ce1ba72d74046912787b63dcc7ab9433b7fe60ae2d7e103dea3e87f36e3b04d7ff7f2a0109f797723a75e61e7d47ea0de8d3e48

Download Submit
memory/364-56-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads