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

1332 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

1136 schtasks.exe

pid	process
1332	regsvr32.exe

pid	process
1136	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\bc2f7421 = fb625165cb36d4bcccb51d406c8d2080cabf9cb698b6eb886ed06590299e1957a6d8b011e48f872c177dd1272250d302b9975730381ffa76b30776b9e968a79485cf26ac70ce298b543a5d2535998c3a8ab367936f60a2198d52adb5ebb59b9fa028df87f993d6fd54a231dddff49e5c48	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\799b5cce = 0f65cecead09a0edd828db7abd68364a85b2e1	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\c1273bab = 50b0e38c86070b375c674190aba289124d71b72e97953d044bf7c6f11bbb15c5b1ac221b4cacbe61d74fdfe11c33e1f098b32adf7e057d3be1171d95117003f4c2045249eefe339f24c0d61853aaa6327f1a13c96518689a4d12e3e9c189e07745b725e8af80604925ede8dd10a3	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\6d23338 = 96a1b86f2e09a47fc456a3686d855cd193141642f941156eb4ea	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\f4b8ebe5 = 3a55cf0e1f5f0e6727b56c00a43cbe117428699c9ab870ca8af60a9cef477b08b086ba6668d682d29f8cc87b12705a8fb34bbadd46703bc56dcdd9ea4a16335299d45f7b81fea37ee2d8c4037adf12061ac5fd4b716abf446607616eb6da4a7fd74d23	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\be6e545d = 2992d26ee46c2d63f841b66271d27f5add70e018d268c544c52156b8ea404d9d405301d2c378420b38fe66aae890acc3b1eb46444634fa502a241b18686ec62262a1391f6db9963eec40a7b49320506c613b1fb940a2d0bcd40887697716c93e513531e02a8b9f0d413235fde9c4739bf537bff6b79e5d8018cef7456e974d887b34404be8a5621b0158b640f2980b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\8bf18413 = f36e273e66df9e34027e9fd6a36d8a98755ad24945561b12c3e1f905db6c36f6a326d0aaf75cdbc8d1acaf11e025e9	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\4931344 = 41b5a17dbfd81975d17d4495487205444ef682	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ixzuupvqmbz\8bf18413 = f36e303e66dfab3d9dd57f60445ba13f1890e77a58d710707f963e08c889cb9fab5e34b1d635cc767a6b814a5215a142d0e96cf7391e8528c391b5bd63343a7e532462ca	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ixzuupvqmbz	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1156 rundll32.exe
1332 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1156 rundll32.exe
1332 regsvr32.exe

pid	process
1156	rundll32.exe
1332	regsvr32.exe

pid	process
1156	rundll32.exe
1332	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1532 wrote to memory of 1156	1532	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 1156	1532	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 1156	1532	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 1156	1532	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 1156	1532	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 1156	1532	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 1156	1532	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 572	1156	rundll32.exe	explorer.exe
PID 1156 wrote to memory of 572	1156	rundll32.exe	explorer.exe
PID 1156 wrote to memory of 572	1156	rundll32.exe	explorer.exe
PID 1156 wrote to memory of 572	1156	rundll32.exe	explorer.exe
PID 1156 wrote to memory of 572	1156	rundll32.exe	explorer.exe
PID 1156 wrote to memory of 572	1156	rundll32.exe	explorer.exe
PID 572 wrote to memory of 1136	572	explorer.exe	schtasks.exe
PID 572 wrote to memory of 1136	572	explorer.exe	schtasks.exe
PID 572 wrote to memory of 1136	572	explorer.exe	schtasks.exe
PID 572 wrote to memory of 1136	572	explorer.exe	schtasks.exe
PID 1540 wrote to memory of 844	1540	taskeng.exe	regsvr32.exe
PID 1540 wrote to memory of 844	1540	taskeng.exe	regsvr32.exe
PID 1540 wrote to memory of 844	1540	taskeng.exe	regsvr32.exe
PID 1540 wrote to memory of 844	1540	taskeng.exe	regsvr32.exe
PID 1540 wrote to memory of 844	1540	taskeng.exe	regsvr32.exe
PID 844 wrote to memory of 1332	844	regsvr32.exe	regsvr32.exe
PID 844 wrote to memory of 1332	844	regsvr32.exe	regsvr32.exe
PID 844 wrote to memory of 1332	844	regsvr32.exe	regsvr32.exe
PID 844 wrote to memory of 1332	844	regsvr32.exe	regsvr32.exe
PID 844 wrote to memory of 1332	844	regsvr32.exe	regsvr32.exe
PID 844 wrote to memory of 1332	844	regsvr32.exe	regsvr32.exe
PID 844 wrote to memory of 1332	844	regsvr32.exe	regsvr32.exe
PID 1332 wrote to memory of 1848	1332	regsvr32.exe	explorer.exe
PID 1332 wrote to memory of 1848	1332	regsvr32.exe	explorer.exe
PID 1332 wrote to memory of 1848	1332	regsvr32.exe	explorer.exe
PID 1332 wrote to memory of 1848	1332	regsvr32.exe	explorer.exe
PID 1332 wrote to memory of 1848	1332	regsvr32.exe	explorer.exe
PID 1332 wrote to memory of 1848	1332	regsvr32.exe	explorer.exe
PID 1848 wrote to memory of 544	1848	explorer.exe	reg.exe
PID 1848 wrote to memory of 544	1848	explorer.exe	reg.exe
PID 1848 wrote to memory of 544	1848	explorer.exe	reg.exe
PID 1848 wrote to memory of 544	1848	explorer.exe	reg.exe
PID 1848 wrote to memory of 1180	1848	explorer.exe	reg.exe
PID 1848 wrote to memory of 1180	1848	explorer.exe	reg.exe
PID 1848 wrote to memory of 1180	1848	explorer.exe	reg.exe
PID 1848 wrote to memory of 1180	1848	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:1532

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:1156

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn kjotqqt /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll\"" /SC ONCE /Z /ST 22:02 /ET 22:14
4⤵
- Creates scheduled task(s)
PID:1136

C:\Windows\system32\taskeng.exe
taskeng.exe {DC9731C3-8978-40CE-92F5-A2272848F03A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:844

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:1332

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1848

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\Ieltkcsydhx" /d "0"
5⤵
PID:544

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\Zcmboep" /d "0"
5⤵
PID:1180

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

Disabling Security Tools

1

T1089

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

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
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a.dll
MD5
5a26d9ae9c7e910b86efcd6979f7ded6

SHA1
f346145ac18ff4b2328db6ded32daa2cf070225a

SHA256
03339ad3c87e35a6a0e59ace83ca82f0d37af9a858f3b25dab14b7ae8053835a

SHA512
de48a226caa8d46bd9f8fc957c84d72a8a5fcabfba64695d93c58fdd184844b50716b61df70bf3225ca99a15a2195de210af2e2f59fd74f7f1d78cbe65b3e265

Download Submit
memory/572-62-0x00000000000F0000-0x00000000000F2000-memory.dmp

Filesize
8KB

Download
memory/572-65-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/572-64-0x0000000075081000-0x0000000075083000-memory.dmp

Filesize
8KB

Download
memory/844-66-0x000007FEFC3C1000-0x000007FEFC3C3000-memory.dmp

Filesize
8KB

Download
memory/1156-59-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/1156-55-0x00000000007F0000-0x0000000000890000-memory.dmp

Filesize
640KB

Download
memory/1156-60-0x0000000000890000-0x00000000008D3000-memory.dmp

Filesize
268KB

Download
memory/1156-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1156-58-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/1156-57-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/1156-56-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/1156-61-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/1332-70-0x0000000000560000-0x0000000000600000-memory.dmp

Filesize
640KB

Download
memory/1332-72-0x0000000000250000-0x0000000000271000-memory.dmp

Filesize
132KB

Download
memory/1332-73-0x0000000000250000-0x0000000000271000-memory.dmp

Filesize
132KB

Download
memory/1332-74-0x0000000000250000-0x0000000000271000-memory.dmp

Filesize
132KB

Download
memory/1332-71-0x0000000000250000-0x0000000000271000-memory.dmp

Filesize
132KB

Download
memory/1332-79-0x0000000000310000-0x0000000000353000-memory.dmp

Filesize
268KB

Download
memory/1332-80-0x0000000000250000-0x0000000000271000-memory.dmp

Filesize
132KB

Download
memory/1848-81-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads