kutaki | 80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d

General

Target

80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
Size

472KB
MD5

99e9541ed3ea8e813d79e1158579cd33
SHA1

0bb3144b8f639beb54dcf7800b7e0b46f7ed60b7
SHA256

80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d
SHA512

948eb85658d3a2dd485d9340cd770147b28952583f353d8027ca69547b438cea44df2fead84d2cb3dada36bb14f3744132bcf172daa7e4dfeee6b059b8119e8b

Score

10^/10

kutaki keylogger stealer

Malware Config

Signatures

Kutaki
Information stealer and keylogger that hides inside legitimate Visual Basic applications.
stealer keylogger kutaki

Kutaki Executable 4 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012309-60.dat	family_kutaki
behavioral1/files/0x000c000000012309-59.dat	family_kutaki
behavioral1/files/0x000c000000012309-62.dat	family_kutaki
behavioral1/files/0x000c000000012309-67.dat	family_kutaki

Executes dropped EXE 1 IoCs

pid	Process
944	dqoytich.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe

Loads dropped DLL 2 IoCs

pid	Process
2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.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

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

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main	dqoytich.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
944	dqoytich.exe
944	dqoytich.exe
944	dqoytich.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2032	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	27
PID 2012 wrote to memory of 2032	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	27
PID 2012 wrote to memory of 2032	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	27
PID 2012 wrote to memory of 2032	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	27
PID 2012 wrote to memory of 944	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	30
PID 2012 wrote to memory of 944	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	30
PID 2012 wrote to memory of 944	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	30
PID 2012 wrote to memory of 944	2012	80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe	30

C:\Users\Admin\AppData\Local\Temp\80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe
"C:\Users\Admin\AppData\Local\Temp\80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
  2⤵
  PID:2032
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe"
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe

Filesize
472KB

MD5
99e9541ed3ea8e813d79e1158579cd33

SHA1
0bb3144b8f639beb54dcf7800b7e0b46f7ed60b7

SHA256
80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d

SHA512
948eb85658d3a2dd485d9340cd770147b28952583f353d8027ca69547b438cea44df2fead84d2cb3dada36bb14f3744132bcf172daa7e4dfeee6b059b8119e8b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe

Filesize
472KB

MD5
99e9541ed3ea8e813d79e1158579cd33

SHA1
0bb3144b8f639beb54dcf7800b7e0b46f7ed60b7

SHA256
80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d

SHA512
948eb85658d3a2dd485d9340cd770147b28952583f353d8027ca69547b438cea44df2fead84d2cb3dada36bb14f3744132bcf172daa7e4dfeee6b059b8119e8b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe

Filesize
472KB

MD5
99e9541ed3ea8e813d79e1158579cd33

SHA1
0bb3144b8f639beb54dcf7800b7e0b46f7ed60b7

SHA256
80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d

SHA512
948eb85658d3a2dd485d9340cd770147b28952583f353d8027ca69547b438cea44df2fead84d2cb3dada36bb14f3744132bcf172daa7e4dfeee6b059b8119e8b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dqoytich.exe

Filesize
472KB

MD5
99e9541ed3ea8e813d79e1158579cd33

SHA1
0bb3144b8f639beb54dcf7800b7e0b46f7ed60b7

SHA256
80914b82ff7fedd60a003009fe4e85a1f3f27b66f8c6be3c575f93ba54cb036d

SHA512
948eb85658d3a2dd485d9340cd770147b28952583f353d8027ca69547b438cea44df2fead84d2cb3dada36bb14f3744132bcf172daa7e4dfeee6b059b8119e8b

Download Submit
memory/2012-56-0x0000000075791000-0x0000000075793000-memory.dmp

Filesize
8KB

Download

Analysis

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