a84b42ba7ba63203c5c7815547884fefbb4299f7386df5c7043ff03293346cd8

General

Target

7aa427ca16a703d8080d0dcd9b748257.exe
Size

240KB
MD5

7aa427ca16a703d8080d0dcd9b748257
SHA1

a3c0f48d69634c106200d9854556ab270b9030c1
SHA256

a84b42ba7ba63203c5c7815547884fefbb4299f7386df5c7043ff03293346cd8
SHA512

aa4d4c7d21f1ba8651a29947fac903190c541f0f6b6d7a10dbf7727f470744f60423cfd08a176300312ca55b2d5685314edc09aca67c49553e957b19acfaa7fe
SSDEEP

6144:6QAE/yHLE4YQqkREEcDHe+4xQd9w1HF+KB:vAE/yHLE4YQLsDISUl+KB

Score

10^/10

evasion trojan

Malware Config

Signatures

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	qtask.exe

Windows security bypass 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	qtask.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	7aa427ca16a703d8080d0dcd9b748257.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	qtask.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7aa427ca16a703d8080d0dcd9b748257.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	7aa427ca16a703d8080d0dcd9b748257.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	qtask.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	qtask.exe

Deletes itself 1 IoCs

pid	Process
2692	qtask.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	qtask.exe

Windows security modification 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	qtask.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	qtask.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	qtask.exe
File created	C:\Windows\SysWOW64\rdriv.sys	qtask.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\qtask.exe	7aa427ca16a703d8080d0dcd9b748257.exe
File opened for modification	C:\Windows\qtask.exe	7aa427ca16a703d8080d0dcd9b748257.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\{ACEF98E0-340F-13D1-B2E4-0060975B8649}\Version	qtask.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\The Silicon Realms Toolworks\Armadillo	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\The Silicon Realms Toolworks\Armadillo	qtask.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\The Silicon Realms Toolworks\Armadillo\{0D00117A748E591E4} = e6ee1cc96cfb903e8fca5dc4ee36cad6b253c6487e	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\{ACEF98E0-340F-13D1-B2E4-0060975B8649}	qtask.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\{ACEF98E0-340F-13D1-B2E4-0060975B8649}\0 = 9f11705f24bfb842e2e5d7af98f609bc6b1b95d40e	qtask.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\{ACEF98E0-340F-13D1-B2E4-0060975B8649}\Version\ = "1.0"	qtask.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\The Silicon Realms Toolworks	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	qtask.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	qtask.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	qtask.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24470A1C-2E5B-13D1-B2E4-0060975B8649}	qtask.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24470A1C-2E5B-13D1-B2E4-0060975B8649}\0 = 709ce5e6dc72c0b4d28b69ee98b64d0c3fc23d025f	qtask.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24470A1C-2E5B-13D1-B2E4-0060975B8649}\Version	qtask.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24470A1C-2E5B-13D1-B2E4-0060975B8649}\Version\ = "1.0"	qtask.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2360	7aa427ca16a703d8080d0dcd9b748257.exe
Token: SeIncBasePriorityPrivilege	2360	7aa427ca16a703d8080d0dcd9b748257.exe
Token: 33	2692	qtask.exe
Token: SeIncBasePriorityPrivilege	2692	qtask.exe

C:\Users\Admin\AppData\Local\Temp\7aa427ca16a703d8080d0dcd9b748257.exe
"C:\Users\Admin\AppData\Local\Temp\7aa427ca16a703d8080d0dcd9b748257.exe"
1⤵
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2360

C:\Windows\qtask.exe
"C:\Windows\qtask.exe"
1⤵
- Modifies security service
- Windows security bypass
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Deletes itself
- Executes dropped EXE
- Windows security modification
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\qtask.exe

Filesize
240KB

MD5
7aa427ca16a703d8080d0dcd9b748257

SHA1
a3c0f48d69634c106200d9854556ab270b9030c1

SHA256
a84b42ba7ba63203c5c7815547884fefbb4299f7386df5c7043ff03293346cd8

SHA512
aa4d4c7d21f1ba8651a29947fac903190c541f0f6b6d7a10dbf7727f470744f60423cfd08a176300312ca55b2d5685314edc09aca67c49553e957b19acfaa7fe

Download Submit
memory/2360-0-0x0000000000230000-0x000000000025A000-memory.dmp

Filesize
168KB

Download
memory/2360-5-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2360-6-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2360-7-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2360-8-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2360-9-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2360-10-0x0000000000230000-0x000000000025A000-memory.dmp

Filesize
168KB

Download
memory/2360-28-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2360-27-0x0000000000230000-0x000000000025A000-memory.dmp

Filesize
168KB

Download
memory/2692-26-0x0000000000220000-0x000000000024A000-memory.dmp

Filesize
168KB

Download
memory/2692-34-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-24-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-25-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-22-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-21-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-14-0x0000000000220000-0x000000000024A000-memory.dmp

Filesize
168KB

Download
memory/2692-30-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-31-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-32-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-33-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-23-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-35-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-37-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-38-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-39-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-40-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-41-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-42-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-43-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2692-44-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads