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
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1356 regsvr32.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

1544 schtasks.exe

pid	process
1356	regsvr32.exe

pid	process
1544	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\f4a98ed3 = 805827d227bc5112fe7c6f394bb652df5a170b4277d0a857c56c5c133740d2d4458eec4540cc1456d28d7447fc37eee2323e11aace5b817f440f0e7502df9a5ebdec84110b94be06379803fa79	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\7bcb1984 = 49652a67f2f9f8afef93e886c3c62957f0f5524077e7ac6e059a048aa4ed98c888ebc3d71dae525057284535f067534b8a296fad0da0de157e9e333f7cdbf649df607d887f7b9c358973	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\6c3560e = f82a2f1367f9d00983b501e6c4f0cd231f50dd4bbb48c62a4ded75308ccc54dde155c236979726d7c695f7e6c3635b70ebfc789f96378cb5	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\8be0e125 = d03499b0e6f7f82d8376967ace4aa4035d6a38ba87c394b1d92ba408f9cb15507760aed635375ce8de222f96b842155eca5fc8f740e63bddd1670b2c8327762b17319cf21bc5e2b8	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ddqexpawfe	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\c3777ee1 = 86ca24326f1031624875db2109487f78188c12acdd963e637dbd4bd6dc0b098cf8a160290a9727836a8fa034e2b70542b239c52f469c43c6b1dc347fa6b7420fb516e6d7341be87527539f65afed788807fc5cb4be81e1b4e4e3be6ec7223e4ae14784d6789848b620b172e0fa59	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\be7f316b = 2880905094e12f1218692ff42a0c648bf49187e3311026023940a2f9f11f0a36fd8590fc110905062071799ed646a23ac4e3f0e019a3f7928b70b3eef35e8bba94a87f488dbf	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\798a39f8 = 1418c162494604760116f66c0fb9707c9a8cac3aed94772b984f581a1212f4f209e6ca6dc4f1af1cdccaebd7177775f2ff6e22efae7fbe7aeb7a8228ba636dbb261397910c4c6871fe65223be62f40f9380438b36af68945f9fa91a047e68563051131ea9a3be4	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\f4a98ed3 = 805830d227bc64d356ff11e5dab0b657610d563867189e65022c62121fac3537f7a3603b40c51e187c6634e4dcc8851f9d12923eb4ea886d09cf097f9b50a1322f8cc199564fffdcda418c1183a9e7aac545b81c299d9dbadcf14b08b1e9f04eede2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ddqexpawfe\c1365e9d = 67ecac032b407d664af00957dd678f1fea8f146834e40669e18b414b37ac5383c50cc4399e91da6793dc4b0b852c00c0253496890b02bbf650fdb3976b8afed7c8551c6c884556d58f5100ce4b16548309ee64271066e9edb3592882862ce7dafc7544241ccaa87c40641944ecb10b51be608f40ffac4a9f83b2a1d967	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

892 rundll32.exe
1356 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

892 rundll32.exe
1356 regsvr32.exe

pid	process
892	rundll32.exe
1356	regsvr32.exe

pid	process
892	rundll32.exe
1356	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1576 wrote to memory of 892	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 892	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 892	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 892	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 892	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 892	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 892	1576	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 704	892	rundll32.exe	explorer.exe
PID 892 wrote to memory of 704	892	rundll32.exe	explorer.exe
PID 892 wrote to memory of 704	892	rundll32.exe	explorer.exe
PID 892 wrote to memory of 704	892	rundll32.exe	explorer.exe
PID 892 wrote to memory of 704	892	rundll32.exe	explorer.exe
PID 892 wrote to memory of 704	892	rundll32.exe	explorer.exe
PID 704 wrote to memory of 1544	704	explorer.exe	schtasks.exe
PID 704 wrote to memory of 1544	704	explorer.exe	schtasks.exe
PID 704 wrote to memory of 1544	704	explorer.exe	schtasks.exe
PID 704 wrote to memory of 1544	704	explorer.exe	schtasks.exe
PID 1792 wrote to memory of 1416	1792	taskeng.exe	regsvr32.exe
PID 1792 wrote to memory of 1416	1792	taskeng.exe	regsvr32.exe
PID 1792 wrote to memory of 1416	1792	taskeng.exe	regsvr32.exe
PID 1792 wrote to memory of 1416	1792	taskeng.exe	regsvr32.exe
PID 1792 wrote to memory of 1416	1792	taskeng.exe	regsvr32.exe
PID 1416 wrote to memory of 1356	1416	regsvr32.exe	regsvr32.exe
PID 1416 wrote to memory of 1356	1416	regsvr32.exe	regsvr32.exe
PID 1416 wrote to memory of 1356	1416	regsvr32.exe	regsvr32.exe
PID 1416 wrote to memory of 1356	1416	regsvr32.exe	regsvr32.exe
PID 1416 wrote to memory of 1356	1416	regsvr32.exe	regsvr32.exe
PID 1416 wrote to memory of 1356	1416	regsvr32.exe	regsvr32.exe
PID 1416 wrote to memory of 1356	1416	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 1876	1356	regsvr32.exe	explorer.exe
PID 1356 wrote to memory of 1876	1356	regsvr32.exe	explorer.exe
PID 1356 wrote to memory of 1876	1356	regsvr32.exe	explorer.exe
PID 1356 wrote to memory of 1876	1356	regsvr32.exe	explorer.exe
PID 1356 wrote to memory of 1876	1356	regsvr32.exe	explorer.exe
PID 1356 wrote to memory of 1876	1356	regsvr32.exe	explorer.exe
PID 1876 wrote to memory of 1740	1876	explorer.exe	reg.exe
PID 1876 wrote to memory of 1740	1876	explorer.exe	reg.exe
PID 1876 wrote to memory of 1740	1876	explorer.exe	reg.exe
PID 1876 wrote to memory of 1740	1876	explorer.exe	reg.exe
PID 1876 wrote to memory of 584	1876	explorer.exe	reg.exe
PID 1876 wrote to memory of 584	1876	explorer.exe	reg.exe
PID 1876 wrote to memory of 584	1876	explorer.exe	reg.exe
PID 1876 wrote to memory of 584	1876	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:1576

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:892

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tnjyfab /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll\"" /SC ONCE /Z /ST 22:05 /ET 22:17
4⤵
- Creates scheduled task(s)
PID:1544

C:\Windows\system32\taskeng.exe
taskeng.exe {FA5CEE24-8362-482F-81DA-7B8F232F64C8} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1876

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\Ospfb" /d "0"
5⤵
PID:1740

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\Cofcehw" /d "0"
5⤵
PID:584

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
5a26d9ae9c7e910b86efcd6979f7ded6

SHA1
f346145ac18ff4b2328db6ded32daa2cf070225a

SHA256
03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

SHA512
de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

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

MD5
5a26d9ae9c7e910b86efcd6979f7ded6

SHA1
f346145ac18ff4b2328db6ded32daa2cf070225a

SHA256
03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

SHA512
de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

Download Submit
memory/704-60-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/704-65-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/704-64-0x0000000074F81000-0x0000000074F83000-memory.dmp

Filesize
8KB

Download
memory/892-59-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/892-56-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/892-62-0x00000000002E0000-0x0000000000323000-memory.dmp

Filesize
268KB

Download
memory/892-63-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/892-58-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/892-57-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/892-55-0x00000000008A0000-0x0000000000940000-memory.dmp

Filesize
640KB

Download
memory/892-54-0x0000000076451000-0x0000000076453000-memory.dmp

Filesize
8KB

Download
memory/1356-70-0x0000000000500000-0x00000000005A0000-memory.dmp

Filesize
640KB

Download
memory/1356-72-0x0000000000480000-0x00000000004A1000-memory.dmp

Filesize
132KB

Download
memory/1356-71-0x0000000000480000-0x00000000004A1000-memory.dmp

Filesize
132KB

Download
memory/1356-74-0x0000000000480000-0x00000000004A1000-memory.dmp

Filesize
132KB

Download
memory/1356-73-0x0000000000480000-0x00000000004A1000-memory.dmp

Filesize
132KB

Download
memory/1356-78-0x0000000000480000-0x00000000004A1000-memory.dmp

Filesize
132KB

Download
memory/1416-66-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp

Filesize
8KB

Download
memory/1876-79-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads