6dadd52d0abe2f87f1064203a3574389f23c68901dd6fbdaa6e3ec3bb79cf3d8

Analysis

max time kernel
198s
max time network
208s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 16:19

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General

Target

6dadd52d0abe2f87f1064203a3574389f23c68901dd6fbdaa6e3ec3bb79cf3d8.dll
Size

48KB
MD5

45925067afcbe7d0c0c11f827f0e8ff0
SHA1

eabc6f08fb08ee28fc277311b223f63936ad124b
SHA256

6dadd52d0abe2f87f1064203a3574389f23c68901dd6fbdaa6e3ec3bb79cf3d8
SHA512

6e4c096c7ef01b8b84efc62fc2d8caa3573ad841e8f7ee2d60ac49cb48dbcdd55f825f88e274692ee2b9447c1a2225256d6cd7abb6a81d5e5f5f43c89ccb0afa
SSDEEP

768:hojY9PdJdMmJyj0Ml+oi/XSpSZbVfDQoWyHaojY9PoK:0mFJdMmJyDl+tVZioWyHjmgK

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
768	hrlF4FA.tmp
1164	kequas.exe

Loads dropped DLL 3 IoCs

pid	Process
944	rundll32.exe
944	rundll32.exe
1164	kequas.exe

Enumerates connected drives 3 TTPs 44 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\R:	kequas.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\N:	kequas.exe
File opened (read-only)	\??\T:	kequas.exe
File opened (read-only)	\??\U:	kequas.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\F:	kequas.exe
File opened (read-only)	\??\L:	kequas.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\S:	kequas.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\G:	kequas.exe
File opened (read-only)	\??\I:	kequas.exe
File opened (read-only)	\??\J:	kequas.exe
File opened (read-only)	\??\P:	kequas.exe
File opened (read-only)	\??\X:	kequas.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\Z:	kequas.exe
File opened (read-only)	\??\Y:	kequas.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\E:	kequas.exe
File opened (read-only)	\??\H:	kequas.exe
File opened (read-only)	\??\O:	kequas.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\K:	kequas.exe
File opened (read-only)	\??\M:	kequas.exe
File opened (read-only)	\??\Q:	kequas.exe
File opened (read-only)	\??\V:	kequas.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\W:	kequas.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kequas.exe	hrlF4FA.tmp
File opened for modification	C:\Windows\SysWOW64\kequas.exe	hrlF4FA.tmp
File created	C:\Windows\SysWOW64\hra33.dll	kequas.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\lpk.dll	kequas.exe
File opened for modification	C:\Program Files\7-Zip\lpk.dll	kequas.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
768	hrlF4FA.tmp
768	hrlF4FA.tmp
1164	kequas.exe
1164	kequas.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 944	1320	rundll32.exe	28
PID 1320 wrote to memory of 944	1320	rundll32.exe	28
PID 1320 wrote to memory of 944	1320	rundll32.exe	28
PID 1320 wrote to memory of 944	1320	rundll32.exe	28
PID 1320 wrote to memory of 944	1320	rundll32.exe	28
PID 1320 wrote to memory of 944	1320	rundll32.exe	28
PID 1320 wrote to memory of 944	1320	rundll32.exe	28
PID 944 wrote to memory of 768	944	rundll32.exe	29
PID 944 wrote to memory of 768	944	rundll32.exe	29
PID 944 wrote to memory of 768	944	rundll32.exe	29
PID 944 wrote to memory of 768	944	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6dadd52d0abe2f87f1064203a3574389f23c68901dd6fbdaa6e3ec3bb79cf3d8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6dadd52d0abe2f87f1064203a3574389f23c68901dd6fbdaa6e3ec3bb79cf3d8.dll,#1
  2⤵
  - Loads dropped DLL
  - Enumerates connected drives
  - Suspicious use of WriteProcessMemory
  PID:944
- - C:\Users\Admin\AppData\Local\Temp\hrlF4FA.tmp
    C:\Users\Admin\AppData\Local\Temp\hrlF4FA.tmp
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious use of SetWindowsHookEx
    PID:768

C:\Windows\SysWOW64\kequas.exe
C:\Windows\SysWOW64\kequas.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
PID:1164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hrlF4FA.tmp

Filesize
38KB

MD5
f0f40c080b0c9ac85edc1c147d99880f

SHA1
20d73c8122fa41fc2b2e084768792fc8670039d6

SHA256
13b3387852f1a98ae69f0bae6af216047b0eae83e65712b46b16f2f670ece5f8

SHA512
b01f5b652f4c69656e3cd018ac5bb9adc4e79fc036afa7eb9ea217bb544248ccd19358d4cf4551030f2a52f0df7ad0aa3cb34024d0b69d7f92f9f189fe4ea654

Download Submit
C:\Users\Admin\AppData\Local\Temp\hrlF4FA.tmp

Filesize
38KB

MD5
f0f40c080b0c9ac85edc1c147d99880f

SHA1
20d73c8122fa41fc2b2e084768792fc8670039d6

SHA256
13b3387852f1a98ae69f0bae6af216047b0eae83e65712b46b16f2f670ece5f8

SHA512
b01f5b652f4c69656e3cd018ac5bb9adc4e79fc036afa7eb9ea217bb544248ccd19358d4cf4551030f2a52f0df7ad0aa3cb34024d0b69d7f92f9f189fe4ea654

Download Submit
C:\Windows\SysWOW64\kequas.exe

Filesize
38KB

MD5
f0f40c080b0c9ac85edc1c147d99880f

SHA1
20d73c8122fa41fc2b2e084768792fc8670039d6

SHA256
13b3387852f1a98ae69f0bae6af216047b0eae83e65712b46b16f2f670ece5f8

SHA512
b01f5b652f4c69656e3cd018ac5bb9adc4e79fc036afa7eb9ea217bb544248ccd19358d4cf4551030f2a52f0df7ad0aa3cb34024d0b69d7f92f9f189fe4ea654

Download Submit
C:\Windows\SysWOW64\kequas.exe

Filesize
38KB

MD5
f0f40c080b0c9ac85edc1c147d99880f

SHA1
20d73c8122fa41fc2b2e084768792fc8670039d6

SHA256
13b3387852f1a98ae69f0bae6af216047b0eae83e65712b46b16f2f670ece5f8

SHA512
b01f5b652f4c69656e3cd018ac5bb9adc4e79fc036afa7eb9ea217bb544248ccd19358d4cf4551030f2a52f0df7ad0aa3cb34024d0b69d7f92f9f189fe4ea654

Download Submit
\Users\Admin\AppData\Local\Temp\hrlF4FA.tmp

Filesize
38KB

MD5
f0f40c080b0c9ac85edc1c147d99880f

SHA1
20d73c8122fa41fc2b2e084768792fc8670039d6

SHA256
13b3387852f1a98ae69f0bae6af216047b0eae83e65712b46b16f2f670ece5f8

SHA512
b01f5b652f4c69656e3cd018ac5bb9adc4e79fc036afa7eb9ea217bb544248ccd19358d4cf4551030f2a52f0df7ad0aa3cb34024d0b69d7f92f9f189fe4ea654

Download Submit
\Users\Admin\AppData\Local\Temp\hrlF4FA.tmp

Filesize
38KB

MD5
f0f40c080b0c9ac85edc1c147d99880f

SHA1
20d73c8122fa41fc2b2e084768792fc8670039d6

SHA256
13b3387852f1a98ae69f0bae6af216047b0eae83e65712b46b16f2f670ece5f8

SHA512
b01f5b652f4c69656e3cd018ac5bb9adc4e79fc036afa7eb9ea217bb544248ccd19358d4cf4551030f2a52f0df7ad0aa3cb34024d0b69d7f92f9f189fe4ea654

Download Submit
\Windows\SysWOW64\hra33.dll

Filesize
46KB

MD5
340b3c849e4ae75e027b40e179522181

SHA1
5b95d15a903f2be144f84d6f1261817bd85ccb8e

SHA256
5e7dd39c1522a620f9a85def5b573b9ba7cda8e14e4a4bc1d48578c2ba70dd29

SHA512
1c56ecd4c408536b26456959d9e98ad81618ba526aba7c277028b187818a058239be7198a9f417f90a3390c2c3a33c462fcd355ad613a82655e6caba79469157

Download Submit
memory/944-55-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download