d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69

Analysis

max time kernel
180s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 18:55

Target

d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe
Size

45KB
MD5

8288eb7f69159a7fa067e3c737e9c1b0
SHA1

9f1a33e216a870a217467291c290a3840e89afd5
SHA256

d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69
SHA512

c1edbe7ea6ea0e96bc2a529b2f155b5d903f0ee27b1ffa05fa7b977f89f3a1400a2045e99ba0c55ed51f77839d5bc9629f83a24e224b823d909ca84d313de943
SSDEEP

768:5/yHQteXjNT+moSaMf0Y82+fPaLANArOGpldbx/hrwGdr:ZyHQETNymPnOasNAtdJhPr

Score

8^/10

Executes dropped EXE 1 IoCs

pid	Process
2628	iaoqau.exe

Loads dropped DLL 1 IoCs

pid	Process
2628	iaoqau.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\iaoqau.exe	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe
File created	C:\Windows\SysWOW64\hra33.dll	iaoqau.exe
File created	C:\Windows\SysWOW64\iaoqau.exe	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
3668	taskkill.exe
3736	taskkill.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	224	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe
Token: SeDebugPrivilege	3668	taskkill.exe
Token: SeDebugPrivilege	3736	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3668	224	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe	79
PID 224 wrote to memory of 3668	224	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe	79
PID 224 wrote to memory of 3668	224	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe	79
PID 2628 wrote to memory of 3736	2628	iaoqau.exe	82
PID 2628 wrote to memory of 3736	2628	iaoqau.exe	82
PID 2628 wrote to memory of 3736	2628	iaoqau.exe	82
PID 224 wrote to memory of 4412	224	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe	84
PID 224 wrote to memory of 4412	224	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe	84
PID 224 wrote to memory of 4412	224	d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe	84

C:\Users\Admin\AppData\Local\Temp\d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe
"C:\Users\Admin\AppData\Local\Temp\d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /t /im KSafeTray.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3668
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\D9BF59~1.EXE > nul
  2⤵
  PID:4412

C:\Windows\SysWOW64\hra33.dll

Filesize
53KB

MD5
d9443291d702f85bab0c44412f0a8d0b

SHA1
892365908c27ef5970534e283cec871df9f6c574

SHA256
fba1639a873cb55a30cfed814d2ed7d8bdd6e01d445f92833101d74245da90ba

SHA512
9fc658862c38e8c2133fa2fb98d72f5a1811105512eb42a96e5d573ad0a7d18a43364e95f4f1cfd690a881f6740b7d3fb66a8674e3766da1e042e8d4164faa93

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

Filesize
45KB

MD5
8288eb7f69159a7fa067e3c737e9c1b0

SHA1
9f1a33e216a870a217467291c290a3840e89afd5

SHA256
d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69

SHA512
c1edbe7ea6ea0e96bc2a529b2f155b5d903f0ee27b1ffa05fa7b977f89f3a1400a2045e99ba0c55ed51f77839d5bc9629f83a24e224b823d909ca84d313de943

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

Filesize
45KB

MD5
8288eb7f69159a7fa067e3c737e9c1b0

SHA1
9f1a33e216a870a217467291c290a3840e89afd5

SHA256
d9bf5969d5d6d3d45389be25e4d68b3cd5aab743d51de4e0476eec63f033ee69

SHA512
c1edbe7ea6ea0e96bc2a529b2f155b5d903f0ee27b1ffa05fa7b977f89f3a1400a2045e99ba0c55ed51f77839d5bc9629f83a24e224b823d909ca84d313de943

Download Submit