215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2023 09:39

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General

Target

215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
Size

2.3MB
MD5

e411dafeed1860501790f8ae6ae7a95d
SHA1

fcb250e133067714ff87bf1483c7d3e11d6fc1be
SHA256

215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa
SHA512

f52f0ad99cd9acdff0693b528395f6040b23de8019e892a9c86beac1f5c6f56418224aa9f54490324cd1ae54a502ba338162f083ee1a7a464e97a045ca06270e
SSDEEP

49152:4vODijuUoszTB8QXnQv6tj1SQYSQG9KFeMs:4mDb6ZEQFZ0Fep

Score

10^/10

upx

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3236 created 632	3236	Explorer.EXE	11

Downloads MZ/PE file

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\wC3fRhUDi.sys	qwinsta.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	qwinsta.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2396-0-0x0000000000020000-0x0000000000125000-memory.dmp	upx
behavioral2/memory/2396-28-0x0000000000020000-0x0000000000125000-memory.dmp	upx
behavioral2/memory/2396-36-0x0000000000020000-0x0000000000125000-memory.dmp	upx

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	114.114.114.114

Drops file in System32 directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\349D186F1CB5682FA0194D4F3754EF36_CE21678B3713ACF5F5ED4AAA700C6173	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3FE2BD01AB6BC312BF0DADE7F797388F_896832C6BC857CFAEA9E59E166B13E2C	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3FE2BD01AB6BC312BF0DADE7F797388F_896832C6BC857CFAEA9E59E166B13E2C	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AD5F118F7897046E8CA970AE6A6AB70B_ADB601E2C381343DA1163E5F08582475	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_4136D3715888E22D65EBE484B233D81B	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B039FEA45CB4CC4BBACFC013C7C55604_50D7940D5D3FEDD8634D83074C7A46A3	qwinsta.exe
File created	C:\Windows\system32\ \Windows\System32\StbfUFq.sys	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AD5F118F7897046E8CA970AE6A6AB70B_ADB601E2C381343DA1163E5F08582475	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_4136D3715888E22D65EBE484B233D81B	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B039FEA45CB4CC4BBACFC013C7C55604_50D7940D5D3FEDD8634D83074C7A46A3	qwinsta.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\349D186F1CB5682FA0194D4F3754EF36_CE21678B3713ACF5F5ED4AAA700C6173	qwinsta.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\290538	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
File created	C:\Windows\Inf\qwinsta.exe	Explorer.EXE
File opened for modification	C:\Windows\Inf\qwinsta.exe	Explorer.EXE
File created	C:\Windows\3sBMDrJOD.sys	qwinsta.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI 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\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	qwinsta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	qwinsta.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	qwinsta.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3012	timeout.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	qwinsta.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	qwinsta.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	qwinsta.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	qwinsta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	qwinsta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	qwinsta.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	qwinsta.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	qwinsta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	qwinsta.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
3236	Explorer.EXE
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe
2820	qwinsta.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3236	Explorer.EXE

Suspicious behavior: LoadsDriver 3 IoCs

pid	Process
676	Process not Found
676	Process not Found
676	Process not Found

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
Token: SeTcbPrivilege	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
Token: SeDebugPrivilege	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
Token: SeDebugPrivilege	3236	Explorer.EXE
Token: SeTcbPrivilege	3236	Explorer.EXE
Token: SeDebugPrivilege	3236	Explorer.EXE
Token: SeDebugPrivilege	3236	Explorer.EXE
Token: SeDebugPrivilege	3236	Explorer.EXE
Token: SeDebugPrivilege	3236	Explorer.EXE
Token: SeIncBasePriorityPrivilege	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
Token: SeDebugPrivilege	2820	qwinsta.exe
Token: SeDebugPrivilege	2820	qwinsta.exe
Token: SeDebugPrivilege	2820	qwinsta.exe
Token: SeShutdownPrivilege	3236	Explorer.EXE
Token: SeCreatePagefilePrivilege	3236	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 3236	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe	58
PID 2396 wrote to memory of 3236	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe	58
PID 2396 wrote to memory of 3236	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe	58
PID 3236 wrote to memory of 2820	3236	Explorer.EXE	86
PID 3236 wrote to memory of 2820	3236	Explorer.EXE	86
PID 3236 wrote to memory of 2820	3236	Explorer.EXE	86
PID 3236 wrote to memory of 2820	3236	Explorer.EXE	86
PID 3236 wrote to memory of 2820	3236	Explorer.EXE	86
PID 3236 wrote to memory of 2820	3236	Explorer.EXE	86
PID 3236 wrote to memory of 2820	3236	Explorer.EXE	86
PID 3236 wrote to memory of 632	3236	Explorer.EXE	11
PID 3236 wrote to memory of 632	3236	Explorer.EXE	11
PID 3236 wrote to memory of 632	3236	Explorer.EXE	11
PID 3236 wrote to memory of 632	3236	Explorer.EXE	11
PID 3236 wrote to memory of 632	3236	Explorer.EXE	11
PID 2396 wrote to memory of 1988	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe	90
PID 2396 wrote to memory of 1988	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe	90
PID 2396 wrote to memory of 1988	2396	215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe	90
PID 1988 wrote to memory of 3012	1988	cmd.exe	92
PID 1988 wrote to memory of 3012	1988	cmd.exe	92
PID 1988 wrote to memory of 3012	1988	cmd.exe	92

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:632
- C:\Windows\Inf\qwinsta.exe
  "C:\Windows\Inf\qwinsta.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Checks SCSI registry key(s)
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Users\Admin\AppData\Local\Temp\215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe
  "C:\Users\Admin\AppData\Local\Temp\215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\215601203945b53a44e0344ac6e3e410bdb9a21d418e8068ee43eceee858c4fa.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1988
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 1
      4⤵
      Delays execution with timeout.exe
      PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\834127be.tmp

Filesize
14.5MB

MD5
6697f78c0dffa2e0b851046aaf272101

SHA1
b91aeb9e6d4d99778a4fe27da2457cdb321e8bfe

SHA256
354b9545fbb292faea96eadbef7c85caf0f6f72b915e567044833fdfc2b923f0

SHA512
fd5d44c6aa0c791e77bfec1436e810b1ef6cd1c92937faa060b6688b5dd4a47268189639e628e2fed8ce57ad04b0e816f18b16d2a3e69e60cbd16049948766d4

Download Submit
C:\Windows\INF\qwinsta.exe

Filesize
30KB

MD5
3ed9ccc06af18ef822e1794feaec6183

SHA1
61bb46e5d659efe16e5c019eabca1aa1d5cd8f8f

SHA256
08ac265f1888731d6ff54d762fa08b06b172a9424b66ce113afcefef9759c37b

SHA512
c07f8fb0cb5fb1c6e81ab7495653373f6d8f6ac4ce49cc04a337155ee22c9987e950f2676be7b9bbda94a72b3621bf32e607fbdc96d85ed416820a16b7d003e6

Download Submit
C:\Windows\Inf\qwinsta.exe

Filesize
30KB

MD5
3ed9ccc06af18ef822e1794feaec6183

SHA1
61bb46e5d659efe16e5c019eabca1aa1d5cd8f8f

SHA256
08ac265f1888731d6ff54d762fa08b06b172a9424b66ce113afcefef9759c37b

SHA512
c07f8fb0cb5fb1c6e81ab7495653373f6d8f6ac4ce49cc04a337155ee22c9987e950f2676be7b9bbda94a72b3621bf32e607fbdc96d85ed416820a16b7d003e6

Download Submit
memory/632-24-0x000001C950BD0000-0x000001C950BD3000-memory.dmp

Filesize
12KB

Download
memory/632-67-0x000001C950C30000-0x000001C950C31000-memory.dmp

Filesize
4KB

Download
memory/632-29-0x000001C950C00000-0x000001C950C28000-memory.dmp

Filesize
160KB

Download
memory/632-27-0x000001C950C30000-0x000001C950C31000-memory.dmp

Filesize
4KB

Download
memory/2396-0-0x0000000000020000-0x0000000000125000-memory.dmp

Filesize
1.0MB

Download
memory/2396-36-0x0000000000020000-0x0000000000125000-memory.dmp

Filesize
1.0MB

Download
memory/2396-28-0x0000000000020000-0x0000000000125000-memory.dmp

Filesize
1.0MB

Download
memory/2820-71-0x0000011936F50000-0x0000011936F51000-memory.dmp

Filesize
4KB

Download
memory/2820-73-0x0000011937520000-0x0000011937522000-memory.dmp

Filesize
8KB

Download
memory/2820-20-0x00000119366F0000-0x00000119366F1000-memory.dmp

Filesize
4KB

Download
memory/2820-22-0x00007FFC8AE60000-0x00007FFC8AE70000-memory.dmp

Filesize
64KB

Download
memory/2820-18-0x00000119365E0000-0x00000119366AB000-memory.dmp

Filesize
812KB

Download
memory/2820-17-0x0000011934BA0000-0x0000011934BA3000-memory.dmp

Filesize
12KB

Download
memory/2820-79-0x0000011937520000-0x0000011937522000-memory.dmp

Filesize
8KB

Download
memory/2820-78-0x00000119376F0000-0x00000119378B5000-memory.dmp

Filesize
1.8MB

Download
memory/2820-76-0x0000011936F70000-0x0000011936F71000-memory.dmp

Filesize
4KB

Download
memory/2820-75-0x0000011937640000-0x0000011937641000-memory.dmp

Filesize
4KB

Download
memory/2820-74-0x0000011937640000-0x0000011937641000-memory.dmp

Filesize
4KB

Download
memory/2820-21-0x00000119365E0000-0x00000119366AB000-memory.dmp

Filesize
812KB

Download
memory/2820-63-0x00007FFC8AE60000-0x00007FFC8AE70000-memory.dmp

Filesize
64KB

Download
memory/2820-72-0x00000119376F0000-0x00000119378B5000-memory.dmp

Filesize
1.8MB

Download
memory/2820-65-0x00000119365E0000-0x00000119366AB000-memory.dmp

Filesize
812KB

Download
memory/2820-66-0x00000119366F0000-0x00000119366F1000-memory.dmp

Filesize
4KB

Download
memory/2820-70-0x0000011936F50000-0x0000011936F51000-memory.dmp

Filesize
4KB

Download
memory/2820-68-0x0000011936F50000-0x0000011936F51000-memory.dmp

Filesize
4KB

Download
memory/2820-69-0x0000011936D40000-0x0000011936D41000-memory.dmp

Filesize
4KB

Download
memory/3236-6-0x0000000002650000-0x0000000002653000-memory.dmp

Filesize
12KB

Download
memory/3236-4-0x0000000002650000-0x0000000002653000-memory.dmp

Filesize
12KB

Download
memory/3236-64-0x0000000008990000-0x0000000008A89000-memory.dmp

Filesize
996KB

Download
memory/3236-62-0x0000000008140000-0x0000000008141000-memory.dmp

Filesize
4KB

Download
memory/3236-43-0x0000000007D80000-0x0000000007DF9000-memory.dmp

Filesize
484KB

Download
memory/3236-7-0x0000000007D80000-0x0000000007DF9000-memory.dmp

Filesize
484KB

Download
memory/3236-14-0x0000000008140000-0x0000000008141000-memory.dmp

Filesize
4KB

Download
memory/3236-5-0x0000000007D80000-0x0000000007DF9000-memory.dmp

Filesize
484KB

Download
memory/3236-9-0x00000000026D0000-0x00000000026D3000-memory.dmp

Filesize
12KB

Download
memory/3236-15-0x0000000008990000-0x0000000008A89000-memory.dmp

Filesize
996KB

Download
memory/3236-3-0x0000000002650000-0x0000000002653000-memory.dmp

Filesize
12KB

Download