qakbot | 9c4807666747c9befea4427e5b9791193fdb105d53400639e8cc401d92463be2

Resubmissions

01-11-2021 12:31

211101-pp5r3ahha4 10

31-10-2021 09:03

211031-k1bwxacfaq 10

14-10-2021 01:44

211014-b6aflafeg4 10

Analysis

max time kernel
120s
max time network
127s
platform
windows11_x64
resource
win11
submitted
01-11-2021 12:31

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Report Analysis Logs

General

Target

839ac59a78a0f2c446edb3cccbaf0bc5781605a1f848878f9e96cd5e0e425fe3.dll
Size

1.1MB
MD5

2eb9fcc198e5adc902797ad4cf6b44d6
SHA1

4e3451336ed44af410fdd4fa91316f80fc695fb2
SHA256

839ac59a78a0f2c446edb3cccbaf0bc5781605a1f848878f9e96cd5e0e425fe3
SHA512

2cac97e753a35a328a273f72eeec97cc143c0c245d0a59dbac8cffb06f7862ee723c54428d11366b3cabc5673751893ce85d62bdb531e6fdc32676c10c1b9104

Score

10^/10

qakbot tr 1633943125 banker persistence stealer trojan

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

Campaign

1633943125

140.82.49.12:443

89.137.52.44:443

24.107.165.50:443

66.216.193.114:443

75.131.217.182:443

41.86.42.158:995

24.119.214.7:443

67.166.233.75:443

105.198.236.99:443

120.151.47.189:443

2.222.167.138:443

41.228.22.180:443

78.105.213.151:995

5.193.125.67:995

41.86.42.158:443

96.57.188.174:2078

120.150.218.241:995

66.177.215.152:0

122.11.220.212:2222

73.52.50.32:443

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2840 schtasks.exe

pid	process
2840	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

WaaSMedicAgent.exeWaaSMedicAgent.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

3992 rundll32.exe
3992 rundll32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

3992 rundll32.exe

pid	process
3992	rundll32.exe
3992	rundll32.exe

pid	process
3992	rundll32.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

svchost.exesvchost.exeWaaSMedicAgent.exe

description	pid	process
Token: SeShutdownPrivilege	1844	svchost.exe
Token: SeCreatePagefilePrivilege	1844	svchost.exe
Token: SeShutdownPrivilege	1844	svchost.exe
Token: SeCreatePagefilePrivilege	1844	svchost.exe
Token: SeShutdownPrivilege	1844	svchost.exe
Token: SeCreatePagefilePrivilege	1844	svchost.exe
Token: SeShutdownPrivilege	4380	svchost.exe
Token: SeCreatePagefilePrivilege	4380	svchost.exe
Token: SeTakeOwnershipPrivilege	1480	WaaSMedicAgent.exe
Token: SeSecurityPrivilege	1480	WaaSMedicAgent.exe
Token: SeRestorePrivilege	1480	WaaSMedicAgent.exe
Token: SeBackupPrivilege	1480	WaaSMedicAgent.exe
Token: SeShutdownPrivilege	1844	svchost.exe
Token: SeCreatePagefilePrivilege	1844	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

rundll32.exesvchost.exerundll32.exeexplorer.exe

description	pid	process	target process
PID 824 wrote to memory of 3992	824	rundll32.exe	rundll32.exe
PID 824 wrote to memory of 3992	824	rundll32.exe	rundll32.exe
PID 824 wrote to memory of 3992	824	rundll32.exe	rundll32.exe
PID 4380 wrote to memory of 1528	4380	svchost.exe	MoUsoCoreWorker.exe
PID 4380 wrote to memory of 1528	4380	svchost.exe	MoUsoCoreWorker.exe
PID 3992 wrote to memory of 4948	3992	rundll32.exe	explorer.exe
PID 3992 wrote to memory of 4948	3992	rundll32.exe	explorer.exe
PID 3992 wrote to memory of 4948	3992	rundll32.exe	explorer.exe
PID 3992 wrote to memory of 4948	3992	rundll32.exe	explorer.exe
PID 3992 wrote to memory of 4948	3992	rundll32.exe	explorer.exe
PID 4948 wrote to memory of 2840	4948	explorer.exe	schtasks.exe
PID 4948 wrote to memory of 2840	4948	explorer.exe	schtasks.exe
PID 4948 wrote to memory of 2840	4948	explorer.exe	schtasks.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\839ac59a78a0f2c446edb3cccbaf0bc5781605a1f848878f9e96cd5e0e425fe3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:824

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\839ac59a78a0f2c446edb3cccbaf0bc5781605a1f848878f9e96cd5e0e425fe3.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3992

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4948

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vjmirrdmmm /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\839ac59a78a0f2c446edb3cccbaf0bc5781605a1f848878f9e96cd5e0e425fe3.dll\"" /SC ONCE /Z /ST 05:55 /ET 06:07
4⤵
- Creates scheduled task(s)
PID:2840

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe d4718390c1d7d4cfa52520bac405b4a8 hOzwROsohEa+iY59amIZQQ.0.1.0.3.0
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1844

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4380

C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
2⤵
PID:1528

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe d4718390c1d7d4cfa52520bac405b4a8 hOzwROsohEa+iY59amIZQQ.0.1.0.3.0
1⤵
- Modifies data under HKEY_USERS
PID:3328

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1528-150-0x0000000000000000-mapping.dmp

Download
memory/1844-152-0x0000023B13580000-0x0000023B13581000-memory.dmp

Filesize
4KB

Download
memory/1844-147-0x0000023B10760000-0x0000023B10770000-memory.dmp

Filesize
64KB

Download
memory/1844-148-0x0000023B10EE0000-0x0000023B10EF0000-memory.dmp

Filesize
64KB

Download
memory/1844-149-0x0000023B13400000-0x0000023B13404000-memory.dmp

Filesize
16KB

Download
memory/1844-151-0x0000023B13590000-0x0000023B13594000-memory.dmp

Filesize
16KB

Download
memory/2840-158-0x0000000000000000-mapping.dmp

Download
memory/3992-153-0x0000000074F20000-0x00000000750D5000-memory.dmp

Filesize
1.7MB

Download
memory/3992-154-0x0000000074F20000-0x0000000074F41000-memory.dmp

Filesize
132KB

Download
memory/3992-155-0x0000000074F20000-0x00000000750D5000-memory.dmp

Filesize
1.7MB

Download
memory/3992-156-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/3992-146-0x0000000000000000-mapping.dmp

Download
memory/4948-157-0x0000000000000000-mapping.dmp

Download
memory/4948-159-0x0000000003030000-0x0000000003031000-memory.dmp

Filesize
4KB

Download
memory/4948-160-0x0000000003030000-0x0000000003031000-memory.dmp

Filesize
4KB

Download
memory/4948-161-0x0000000000620000-0x0000000000641000-memory.dmp

Filesize
132KB

Download