qakbot | bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e

General

Target

bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
Size

638KB
MD5

24ef82f586bdc329a70b7e5f440d7b2f
SHA1

09b8ee302c174fee009113c7cc73c805ba67afb9
SHA256

bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e
SHA512

94db973d1e0a8c5a78f44e1cf3b8fea3eb7544f1af95982c79a4de6da858d462681c9e6404ed6ea0d53033a448d5c415ba2c045bcfd5f26b78b77d55da7cecdd

Score

10^/10

qakbot cullinan 1640084934 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1640084934

C2

95.5.133.68:995

188.159.122.122:443

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

109.12.111.14:443

14.96.72.249:61202

93.48.80.198:995

45.9.20.200:2211

24.95.61.62:443

79.167.192.206:995

37.210.226.125:61202

103.139.242.30:995

70.163.1.219:443

114.79.148.170:443

63.153.187.104:443

103.143.8.71:6881

24.53.49.240:443

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

992 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

288 schtasks.exe

pid	process
992	regsvr32.exe

pid	process
288	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\28d289ed = 21a2151d04c025913db310fcf541acef7ebc9a6fc294a234e828a225648cfa2f2d5783	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\1d4d59a3 = 94bea8a9e563db0034d3c4f9ae19822263b584b7cce89d2b212336220f44a1198d2bba6c790e2a35ec5f9f39d3c064f52685	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\62043655 = 709a9f36dd1aeeb26853f1a2fa5d6674a794f3602eed2e03cbdcc7b6a942747799291a214625bebb3b7d38f44fc7e567de2f5395a4474d14121cf2129f832ff5af7fa5	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\55dac667 = 5251c538133e69a43a0055dc94b65cc574ecf83e4e48	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\ed66a102 = 42e9800908096abd472174f709098da6abff1f018dfd943c62ac37093f65f030a30cfc432770f7cba32694489110e1f42c63d09bb9b6987495d5ae18bbd711aacd122f51043432a96d4f3a442c6b72b78e6ec9abb4a51a6b2d04e46964e006bec17bbc47ff68ee2102e9229235	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\906eee88 = 322ec61a123fe1b647ab8ac4886f6f634c2442dfa318e58909ef1d03acc52eaa	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\ef27817e = d7924bd6d23eddd81104112db1796fb96f8ef4436869a8c135f698843200776aa422fa	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\62043655 = 709a8836dd1adb29473c030c3cc586385a7d8134d470726d752bab918dd16b1e224a8d36b5a920a03a7b439331b2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Undmvvv\579be61b = be16efc5ffa7a9c83c0b23e5f9e40fb1e9f72f76c0d4ae50c7d09be1ec498c01b7613d4bf7f9abd11eee94ac5493e71e998954ef6b35ae8075bec1d28775f794f1d1c8bc6172aff46ee84a0528719928e400a7821eaad50191a6d38163611fea5e878e74a26453d7878297890acbdb	explorer.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
1520	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe
992	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1520 regsvr32.exe
992 regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1396 wrote to memory of 1520	1396	regsvr32.exe	regsvr32.exe
PID 1396 wrote to memory of 1520	1396	regsvr32.exe	regsvr32.exe
PID 1396 wrote to memory of 1520	1396	regsvr32.exe	regsvr32.exe
PID 1396 wrote to memory of 1520	1396	regsvr32.exe	regsvr32.exe
PID 1396 wrote to memory of 1520	1396	regsvr32.exe	regsvr32.exe
PID 1396 wrote to memory of 1520	1396	regsvr32.exe	regsvr32.exe
PID 1396 wrote to memory of 1520	1396	regsvr32.exe	regsvr32.exe
PID 1520 wrote to memory of 528	1520	regsvr32.exe	explorer.exe
PID 1520 wrote to memory of 528	1520	regsvr32.exe	explorer.exe
PID 1520 wrote to memory of 528	1520	regsvr32.exe	explorer.exe
PID 1520 wrote to memory of 528	1520	regsvr32.exe	explorer.exe
PID 1520 wrote to memory of 528	1520	regsvr32.exe	explorer.exe
PID 1520 wrote to memory of 528	1520	regsvr32.exe	explorer.exe
PID 528 wrote to memory of 288	528	explorer.exe	schtasks.exe
PID 528 wrote to memory of 288	528	explorer.exe	schtasks.exe
PID 528 wrote to memory of 288	528	explorer.exe	schtasks.exe
PID 528 wrote to memory of 288	528	explorer.exe	schtasks.exe
PID 1088 wrote to memory of 1648	1088	taskeng.exe	regsvr32.exe
PID 1088 wrote to memory of 1648	1088	taskeng.exe	regsvr32.exe
PID 1088 wrote to memory of 1648	1088	taskeng.exe	regsvr32.exe
PID 1088 wrote to memory of 1648	1088	taskeng.exe	regsvr32.exe
PID 1088 wrote to memory of 1648	1088	taskeng.exe	regsvr32.exe
PID 1648 wrote to memory of 992	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 992	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 992	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 992	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 992	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 992	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 992	1648	regsvr32.exe	regsvr32.exe
PID 992 wrote to memory of 2016	992	regsvr32.exe	explorer.exe
PID 992 wrote to memory of 2016	992	regsvr32.exe	explorer.exe
PID 992 wrote to memory of 2016	992	regsvr32.exe	explorer.exe
PID 992 wrote to memory of 2016	992	regsvr32.exe	explorer.exe
PID 992 wrote to memory of 2016	992	regsvr32.exe	explorer.exe
PID 992 wrote to memory of 2016	992	regsvr32.exe	explorer.exe
PID 2016 wrote to memory of 1768	2016	explorer.exe	reg.exe
PID 2016 wrote to memory of 1768	2016	explorer.exe	reg.exe
PID 2016 wrote to memory of 1768	2016	explorer.exe	reg.exe
PID 2016 wrote to memory of 1768	2016	explorer.exe	reg.exe
PID 2016 wrote to memory of 2004	2016	explorer.exe	reg.exe
PID 2016 wrote to memory of 2004	2016	explorer.exe	reg.exe
PID 2016 wrote to memory of 2004	2016	explorer.exe	reg.exe
PID 2016 wrote to memory of 2004	2016	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lqjnmtm /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll\"" /SC ONCE /Z /ST 17:30 /ET 17:42
4⤵
- Creates scheduled task(s)
PID:288

C:\Windows\system32\taskeng.exe
taskeng.exe {EFE6C7AF-CE3A-445E-93D4-6992F764168E} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2016

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\Qsobw" /d "0"
5⤵
PID:1768

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\Kpysmof" /d "0"
5⤵
PID:2004

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
MD5
24ef82f586bdc329a70b7e5f440d7b2f

SHA1
09b8ee302c174fee009113c7cc73c805ba67afb9

SHA256
bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e

SHA512
94db973d1e0a8c5a78f44e1cf3b8fea3eb7544f1af95982c79a4de6da858d462681c9e6404ed6ea0d53033a448d5c415ba2c045bcfd5f26b78b77d55da7cecdd

Download Submit
\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
MD5
24ef82f586bdc329a70b7e5f440d7b2f

SHA1
09b8ee302c174fee009113c7cc73c805ba67afb9

SHA256
bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e

SHA512
94db973d1e0a8c5a78f44e1cf3b8fea3eb7544f1af95982c79a4de6da858d462681c9e6404ed6ea0d53033a448d5c415ba2c045bcfd5f26b78b77d55da7cecdd

Download Submit
memory/288-66-0x0000000000000000-mapping.dmp

Download
memory/528-62-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/528-67-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/528-65-0x0000000074A71000-0x0000000074A73000-memory.dmp

Filesize
8KB

Download
memory/528-63-0x0000000000000000-mapping.dmp

Download
memory/992-77-0x0000000000C80000-0x0000000000E00000-memory.dmp

Filesize
1.5MB

Download
memory/992-74-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/992-78-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/992-76-0x0000000000C00000-0x0000000000C7B000-memory.dmp

Filesize
492KB

Download
memory/992-71-0x0000000000000000-mapping.dmp

Download
memory/1396-54-0x000007FEFC081000-0x000007FEFC083000-memory.dmp

Filesize
8KB

Download
memory/1520-61-0x0000000001DD0000-0x0000000001E72000-memory.dmp

Filesize
648KB

Download
memory/1520-59-0x00000000002B0000-0x000000000032B000-memory.dmp

Filesize
492KB

Download
memory/1520-60-0x0000000002140000-0x00000000022C0000-memory.dmp

Filesize
1.5MB

Download
memory/1520-57-0x0000000001DD0000-0x0000000001E72000-memory.dmp

Filesize
648KB

Download
memory/1520-56-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1520-55-0x0000000000000000-mapping.dmp

Download
memory/1648-68-0x0000000000000000-mapping.dmp

Download
memory/1768-83-0x0000000000000000-mapping.dmp

Download
memory/2004-85-0x0000000000000000-mapping.dmp

Download
memory/2016-80-0x0000000000000000-mapping.dmp

Download
memory/2016-84-0x0000000000080000-0x00000000000A1000-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