qakbot | 03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

General

Target

03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll
Size

633KB
MD5

5a26d9ae9c7e910b86efcd6979f7ded6
SHA1

f346145ac18ff4b2328db6ded32daa2cf070225a
SHA256

03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a
SHA512

de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

Score

10^/10

qakbot cullinan 1640168876 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1640168876

C2

93.48.80.198:995

140.82.49.12:443

32.221.229.7:443

24.152.219.253:995

31.35.28.29:443

96.37.113.36:993

190.39.205.165:443

79.173.195.234:443

39.49.66.100:995

103.139.242.30:22

79.167.192.206:995

45.9.20.200:2211

24.95.61.62:443

37.210.226.125:61202

103.139.242.30:995

70.163.1.219:443

103.143.8.71:6881

76.169.147.192:32103

136.143.11.232:443

63.153.187.104:443

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1276 created 3020 1276 WerFault.exe rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1220 3020 WerFault.exe rundll32.exe

description	pid	process	target process
PID 1276 created 3020	1276	WerFault.exe	rundll32.exe

pid	pid_target	process	target process
1220	3020	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.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

3208 schtasks.exe

pid	process
3208	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exeWerFault.exe

pid process

3020 rundll32.exe
3020 rundll32.exe
1220 WerFault.exe
1220 WerFault.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

3020 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1220 WerFault.exe
Token: SeBackupPrivilege 1220 WerFault.exe

pid	process
3020	rundll32.exe
3020	rundll32.exe
1220	WerFault.exe
1220	WerFault.exe

pid	process
3020	rundll32.exe

description	pid	process
Token: SeRestorePrivilege	1220	WerFault.exe
Token: SeBackupPrivilege	1220	WerFault.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

rundll32.exerundll32.exeWerFault.exeexplorer.exe

description	pid	process	target process
PID 3292 wrote to memory of 3020	3292	rundll32.exe	rundll32.exe
PID 3292 wrote to memory of 3020	3292	rundll32.exe	rundll32.exe
PID 3292 wrote to memory of 3020	3292	rundll32.exe	rundll32.exe
PID 3020 wrote to memory of 3364	3020	rundll32.exe	explorer.exe
PID 3020 wrote to memory of 3364	3020	rundll32.exe	explorer.exe
PID 3020 wrote to memory of 3364	3020	rundll32.exe	explorer.exe
PID 3020 wrote to memory of 3364	3020	rundll32.exe	explorer.exe
PID 3020 wrote to memory of 3364	3020	rundll32.exe	explorer.exe
PID 1276 wrote to memory of 3020	1276	WerFault.exe	rundll32.exe
PID 1276 wrote to memory of 3020	1276	WerFault.exe	rundll32.exe
PID 3364 wrote to memory of 3208	3364	explorer.exe	schtasks.exe
PID 3364 wrote to memory of 3208	3364	explorer.exe	schtasks.exe
PID 3364 wrote to memory of 3208	3364	explorer.exe	schtasks.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3292

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3020

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3364

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xufgxxw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll\"" /SC ONCE /Z /ST 23:03 /ET 23:15
4⤵
- Creates scheduled task(s)
PID:3208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 644
3⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3020 -ip 3020
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1276

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3020-131-0x0000000004FB0000-0x0000000004FD1000-memory.dmp

Filesize
132KB

Download
memory/3020-130-0x0000000004FB0000-0x0000000004FD1000-memory.dmp

Filesize
132KB

Download
memory/3020-132-0x0000000004F40000-0x0000000004F83000-memory.dmp

Filesize
268KB

Download
memory/3020-133-0x0000000004FB0000-0x0000000004FD1000-memory.dmp

Filesize
132KB

Download
memory/3364-134-0x0000000000410000-0x0000000000431000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads