qakbot | 03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

General

Target

03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll
Size

633KB
MD5

5a26d9ae9c7e910b86efcd6979f7ded6
SHA1

f346145ac18ff4b2328db6ded32daa2cf070225a
SHA256

03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a
SHA512

de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

Score

10^/10

qakbot cullinan 1640168876 banker evasion 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 312 created 648 312 WerFault.exe rundll32.exe
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exe

pid process

2480 regsvr32.exe
2480 regsvr32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1436 648 WerFault.exe rundll32.exe

description	pid	process	target process
PID 312 created 648	312	WerFault.exe	rundll32.exe

pid	process
2480	regsvr32.exe
2480	regsvr32.exe

pid	pid_target	process	target process
1436	648	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

2304 schtasks.exe

pid	process
2304	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\2cad58ca = bf08eda579cd571d6b25cf204249280744a686104a298b1a573f37717fe7e0b3cf547cbf0c45024121478686459c065dd17d22059f674e1f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\dec78017 = 970cbd91f4eb7465e0bbce5897d57018b3df148fad9737aa47b1d26cf0782de61bd1ab5bfaede3787dd8b9545d2022dbbb6f5ffeae502bf6d4dcf2e1225aedbe3cc3278c1d8db7f9bce7cfd053a3999e3273135bab09dd1ea13a4f0b25bc	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\a18eefe1 = 60063704ffb800998af4b604ffc480c9b8ef52fb55def9502c26e1e39c1eb9f8089cc81880049126daabdeafec5478d459fafa75a60ae4b9c2d36a3fc02ba6	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\2eec78b6 = 1aec4eb87fd9b95be5dd7f8dc59ee9433d72c1883c9d4d088581f86646c005c98f347a3655f350a3e2f13f780fc092da5dcf03efed2e0675b042e090199c3ae9a471a78732e3259ca2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\53e4373c = 8de5e7d9e7d43c4328c32512ac57b07311362c2b04836fa95170d3663d6469bd59217c266a17c1e8a464ca13a02295dd4944f8f407e74969cc4c21ece71603f41a44407f6b63973927cd3fd56e8c999823590d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\eb585059 = b71ee5365e0b793d11a6d3444ac40c7ed322961318b8cbe36cd878944248fea0365b5a88b344eeb038795b47db0c689deb55db8fdcc55bfe0bae1d75e5163eba6157c51757cf066838	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\94113faf = 631ba4ea3a0f086a9259fae06ac46b5c0b860b9c59760e345b0634f155484db325c4ff6e75f4808c449b65655a438437e2fc562f3551c4d852a0e422f255b63987394d023cc609fd4f2158fbce195816a8d1f4ce12a1e44645df0f4a93254d22c59dedab5e4f4aafc2dd800633ac70323ca9a0c958893c9c01be579457afc1d707de6222dda888c072dec65319045a0d037fb869cc52dac7ed5c937c3cac3ba37abdce1e3dd54763d442991d84b969	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\96501fd3 = ea1ff40e67ea1d569fdf438d0d6003e11f2d948e279202d9339bc45330acdb7f18887620161ecd1daf279ea473c3e2af97df8f57a9f3f9cd9899c0641bb01b37dc1b319518fafd1de6bb1b71b6ab976c2952af0e2613bb36d695	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Awtpjlcs\a18eefe1 = 60062004ffb835b22b583d7b0e2e99e6c809805dd88c08f6c6159537b50ea7968f6f387a8aab26602b40a899e48f49c80f00b176676fe3a963c1f00cf6807547e569b05d4f0a1003c187e439bf791dc0d79b9a4b	explorer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exeWerFault.exeregsvr32.exe

pid process

648 rundll32.exe
648 rundll32.exe
1436 WerFault.exe
1436 WerFault.exe
2480 regsvr32.exe
2480 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

648 rundll32.exe
2480 regsvr32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1436 WerFault.exe
Token: SeBackupPrivilege 1436 WerFault.exe

pid	process
648	rundll32.exe
648	rundll32.exe
1436	WerFault.exe
1436	WerFault.exe
2480	regsvr32.exe
2480	regsvr32.exe

pid	process
648	rundll32.exe
2480	regsvr32.exe

description	pid	process
Token: SeRestorePrivilege	1436	WerFault.exe
Token: SeBackupPrivilege	1436	WerFault.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

rundll32.exeWerFault.exerundll32.exeexplorer.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 452 wrote to memory of 648	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 648	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 648	452	rundll32.exe	rundll32.exe
PID 312 wrote to memory of 648	312	WerFault.exe	rundll32.exe
PID 312 wrote to memory of 648	312	WerFault.exe	rundll32.exe
PID 648 wrote to memory of 2912	648	rundll32.exe	explorer.exe
PID 648 wrote to memory of 2912	648	rundll32.exe	explorer.exe
PID 648 wrote to memory of 2912	648	rundll32.exe	explorer.exe
PID 648 wrote to memory of 2912	648	rundll32.exe	explorer.exe
PID 648 wrote to memory of 2912	648	rundll32.exe	explorer.exe
PID 2912 wrote to memory of 2304	2912	explorer.exe	schtasks.exe
PID 2912 wrote to memory of 2304	2912	explorer.exe	schtasks.exe
PID 2912 wrote to memory of 2304	2912	explorer.exe	schtasks.exe
PID 2472 wrote to memory of 2480	2472	regsvr32.exe	regsvr32.exe
PID 2472 wrote to memory of 2480	2472	regsvr32.exe	regsvr32.exe
PID 2472 wrote to memory of 2480	2472	regsvr32.exe	regsvr32.exe
PID 2480 wrote to memory of 3508	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 3508	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 3508	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 3508	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 3508	2480	regsvr32.exe	explorer.exe
PID 3508 wrote to memory of 3228	3508	explorer.exe	reg.exe
PID 3508 wrote to memory of 3228	3508	explorer.exe	reg.exe
PID 3508 wrote to memory of 3808	3508	explorer.exe	reg.exe
PID 3508 wrote to memory of 3808	3508	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:452

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:648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 640
3⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1436

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2912

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dpywnabw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll\"" /SC ONCE /Z /ST 23:05 /ET 23:17
4⤵
- Creates scheduled task(s)
PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 648 -ip 648
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:312

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2472

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2480

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:3508

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Snqiuojdbyi" /d "0"
4⤵
PID:3228

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Naiqxv" /d "0"
4⤵
PID:3808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll

MD5
5a26d9ae9c7e910b86efcd6979f7ded6

SHA1
f346145ac18ff4b2328db6ded32daa2cf070225a

SHA256
03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

SHA512
de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

Download Submit
C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll

MD5
5a26d9ae9c7e910b86efcd6979f7ded6

SHA1
f346145ac18ff4b2328db6ded32daa2cf070225a

SHA256
03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

SHA512
de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

Download Submit
C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll

MD5
5a26d9ae9c7e910b86efcd6979f7ded6

SHA1
f346145ac18ff4b2328db6ded32daa2cf070225a

SHA256
03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

SHA512
de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

Download Submit
memory/648-136-0x0000000004090000-0x00000000040D3000-memory.dmp

Filesize
268KB

Download
memory/648-137-0x00000000040E0000-0x0000000004101000-memory.dmp

Filesize
132KB

Download
memory/648-133-0x00000000005F0000-0x0000000000690000-memory.dmp

Filesize
640KB

Download
memory/648-134-0x00000000040E0000-0x0000000004101000-memory.dmp

Filesize
132KB

Download
memory/648-135-0x00000000040E0000-0x0000000004101000-memory.dmp

Filesize
132KB

Download
memory/2480-144-0x0000000002D80000-0x0000000002E20000-memory.dmp

Filesize
640KB

Download
memory/2480-145-0x0000000002FC0000-0x0000000002FE1000-memory.dmp

Filesize
132KB

Download
memory/2480-146-0x0000000002FC0000-0x0000000002FE1000-memory.dmp

Filesize
132KB

Download
memory/2480-147-0x0000000002FC0000-0x0000000002FE1000-memory.dmp

Filesize
132KB

Download
memory/2912-138-0x00000000031C0000-0x00000000031E1000-memory.dmp

Filesize
132KB

Download
memory/3508-150-0x0000000000450000-0x0000000000471000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads