qakbot | bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213

General

Target

bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll
Size

630KB
MD5

40c4c9f214b47e21fd9632c4f1d35900
SHA1

7c8ac3aa2e4312a7d6323f46cbe6f619fc61124d
SHA256

bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213
SHA512

cb68a118692cd6f8b9875b8d83c600b705438d729550e99c6c3791b017e3e19b08cc66bedcaaa8db58b6af062ef7a7a05da9427906d24d9db685329c5ff369fe

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

1524 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

732 schtasks.exe

pid	process
1524	regsvr32.exe

pid	process
732	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\a113221b = 6baf092a3f8ec5f160504c2dd76b421631720600c74e4454b77fb0e1a8a2dc0ffbc6027a3e2846ffd3d3c5b1e1ee	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\2c309530 = aaaf5cc93250ebb2591de3bd3ccad014e4daf73612137a49496728c3f60919ba5c192dac4c69f492b3ec7b931fc6449eddb799	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\19af457e = e3f4b5b14ab19e62ff59d2161d98ffb80861e97994c9cbe0121c37d43ed5cef36f68eb18a793fa05e981eedbd530165642d04145c3756dec449c126a24f79b822d50305e4b002d6c21229b4496a3c16b50d4d57347094bb3efd24d8abc0f1accb1e96efd219efb9357297a7a4f498428010c0ba2dc8788b802e55d0acc917afbf495b0203b58a41f1a5cbb3f619349869cc905d71d6fd93f4202e91a29b97759ed2ec578d3330e1623e376fca2256d557011344dc72c25286989	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\1bee6502 = fa16c25ead1c4ef93de9d9fb793cc5f61e6e171a9f98577fd003402bf22137c714202a83e3	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\a3520267 = 8565e6d307f160412675d848712173f00141ac8faf4b1c5a1b9cfc9fff4994b66f178d4657380357eaad7be588ed1ce1955dd3992fc7579f3b7370	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\de5a4ded = 3c11494201805921c328d1109d5a650d7ced05fdbb6d71d62a4aea6b6d3cd3d42f974c6d25bff60c1d4c72a9ac4032a5e36437f96fc1ed9d49532a9d9b766c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\66e62a88 = 5ce0352220067e119153eebd6888d2a74fc5f618500972747f4a3ac59002cd0aa8ee31223239ecae9e58a084517bc25951c1d494291cea0a033c7429555ff09bc56ff617	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Nabysmasaaegu	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\5379fac6 = 2a47afee00782c6022a2d58e816f1e4fc920bba2d264113e0f36e7c7b1987fc344f136f96df9422ef8e175c6b4a758936ef5dfd579b28473367949c4bf50cb4ccc3b0180ef8f5479b9189f6290bc7dd221729ff4af55086106b5adbd312a	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Nabysmasaaegu\2c309530 = aaaf4bc93250de298ad7c6247fa1f9b436063ba0474d4989a7e39f88365d7882e5cd55dcbb0bbd2a7df744c9405a40be3a8e3a8f729b8dfa2fa1819bfdc4b32c252f59ab30f47291	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1680 rundll32.exe
1524 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1680 rundll32.exe
1524 regsvr32.exe

pid	process
1680	rundll32.exe
1524	regsvr32.exe

pid	process
1680	rundll32.exe
1524	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1684 wrote to memory of 1680	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1680	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1680	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1680	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1680	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1680	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1680	1684	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1100	1680	rundll32.exe	explorer.exe
PID 1680 wrote to memory of 1100	1680	rundll32.exe	explorer.exe
PID 1680 wrote to memory of 1100	1680	rundll32.exe	explorer.exe
PID 1680 wrote to memory of 1100	1680	rundll32.exe	explorer.exe
PID 1680 wrote to memory of 1100	1680	rundll32.exe	explorer.exe
PID 1680 wrote to memory of 1100	1680	rundll32.exe	explorer.exe
PID 1100 wrote to memory of 732	1100	explorer.exe	schtasks.exe
PID 1100 wrote to memory of 732	1100	explorer.exe	schtasks.exe
PID 1100 wrote to memory of 732	1100	explorer.exe	schtasks.exe
PID 1100 wrote to memory of 732	1100	explorer.exe	schtasks.exe
PID 1468 wrote to memory of 888	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 888	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 888	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 888	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 888	1468	taskeng.exe	regsvr32.exe
PID 888 wrote to memory of 1524	888	regsvr32.exe	regsvr32.exe
PID 888 wrote to memory of 1524	888	regsvr32.exe	regsvr32.exe
PID 888 wrote to memory of 1524	888	regsvr32.exe	regsvr32.exe
PID 888 wrote to memory of 1524	888	regsvr32.exe	regsvr32.exe
PID 888 wrote to memory of 1524	888	regsvr32.exe	regsvr32.exe
PID 888 wrote to memory of 1524	888	regsvr32.exe	regsvr32.exe
PID 888 wrote to memory of 1524	888	regsvr32.exe	regsvr32.exe
PID 1524 wrote to memory of 1908	1524	regsvr32.exe	explorer.exe
PID 1524 wrote to memory of 1908	1524	regsvr32.exe	explorer.exe
PID 1524 wrote to memory of 1908	1524	regsvr32.exe	explorer.exe
PID 1524 wrote to memory of 1908	1524	regsvr32.exe	explorer.exe
PID 1524 wrote to memory of 1908	1524	regsvr32.exe	explorer.exe
PID 1524 wrote to memory of 1908	1524	regsvr32.exe	explorer.exe
PID 1908 wrote to memory of 1716	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1716	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1716	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1716	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1004	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1004	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1004	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1004	1908	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn eucbcfqz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll\"" /SC ONCE /Z /ST 21:20 /ET 21:32
4⤵
- Creates scheduled task(s)
PID:732

C:\Windows\system32\taskeng.exe
taskeng.exe {5A81067A-4184-45E0-B96F-66EBEC18B451} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1908

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\Choiysvykh" /d "0"
5⤵
PID:1716

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\Mctiiuee" /d "0"
5⤵
PID:1004

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\bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll
MD5
40c4c9f214b47e21fd9632c4f1d35900

SHA1
7c8ac3aa2e4312a7d6323f46cbe6f619fc61124d

SHA256
bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213

SHA512
cb68a118692cd6f8b9875b8d83c600b705438d729550e99c6c3791b017e3e19b08cc66bedcaaa8db58b6af062ef7a7a05da9427906d24d9db685329c5ff369fe

Download Submit
\Users\Admin\AppData\Local\Temp\bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213.dll
MD5
40c4c9f214b47e21fd9632c4f1d35900

SHA1
7c8ac3aa2e4312a7d6323f46cbe6f619fc61124d

SHA256
bd3511db489e06a09cbe3f91ef7ef8f5ada5e39b0ade781f744896dd46bef213

SHA512
cb68a118692cd6f8b9875b8d83c600b705438d729550e99c6c3791b017e3e19b08cc66bedcaaa8db58b6af062ef7a7a05da9427906d24d9db685329c5ff369fe

Download Submit
memory/888-65-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

Filesize
8KB

Download
memory/1100-59-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/1100-64-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1100-61-0x00000000747E1000-0x00000000747E3000-memory.dmp

Filesize
8KB

Download
memory/1524-70-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1524-69-0x0000000000970000-0x0000000000A10000-memory.dmp

Filesize
640KB

Download
memory/1524-75-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1524-74-0x0000000000B60000-0x0000000000BA3000-memory.dmp

Filesize
268KB

Download
memory/1524-73-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1524-72-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1524-71-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1680-57-0x00000000003D0000-0x00000000003F1000-memory.dmp

Filesize
132KB

Download
memory/1680-54-0x00000000002D0000-0x0000000000370000-memory.dmp

Filesize
640KB

Download
memory/1680-53-0x0000000076421000-0x0000000076423000-memory.dmp

Filesize
8KB

Download
memory/1680-56-0x00000000003D0000-0x00000000003F1000-memory.dmp

Filesize
132KB

Download
memory/1680-55-0x00000000003D0000-0x00000000003F1000-memory.dmp

Filesize
132KB

Download
memory/1680-58-0x00000000003D0000-0x00000000003F1000-memory.dmp

Filesize
132KB

Download
memory/1680-63-0x00000000003D0000-0x00000000003F1000-memory.dmp

Filesize
132KB

Download
memory/1680-62-0x0000000000930000-0x0000000000973000-memory.dmp

Filesize
268KB

Download
memory/1908-79-0x00000000000C0000-0x00000000000E1000-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