qakbot | ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a

General

Target

ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll
Size

628KB
MD5

51f81eccac70d30d37eab17ebae9c02c
SHA1

30e4eb355e5fae3a7a61fa135fbad369fa95c446
SHA256

ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a
SHA512

254222657ba6e9b0af5198633e7eff683adc803380144a73f16391341728b8d27648beff4a97ec91b07b7cf7a5b43d5fc7576eb6c2f5eb2a11772f7f3a9324b6

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

2036 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

1020 schtasks.exe

pid	process
2036	regsvr32.exe

pid	process
1020	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\d5b40bf3 = c1a65f60aa3fe1bfa7279b2e49ed34cf5143487cc15efedbde6a81eaea02f49a01bd3093220e164cbcfc0b4d9ede0d8b2f9da772d743e262c0be1638e46c985fb99ab1ba6c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\5897bcd8 = 0206bc71c5256bf4e415a0ad941616873f1bc021acc9855cc3f4639aa42dfad3b6f4aae269a483da3f406e36f14a82d013ae4ece9e163ed97564f5223bf86b7314f0db4c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\27ded32e = 74b9cc28216ba61e4c1b7793a3af0766ea3f7947828484c58b111668	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Qqmaojniswoq	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\27ded32e = 74b9db28216b93	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\12410360 = 069d8bdbbaf274d21575bd5987ff72acb94eb0808e2d718149575e315c6548ce3dff2668934beeb682ba015ca97b7d69ca2fe406198d978e29340b9334e5780e33e42ca04a20133af0775dad67bcce04f9f08f84fdbebb6c5125196ec2b1061671ae7c72757887d5f79e7cd40c3204e3f7695c07c270563409cef2b553a8406bc6636587b83d302b9065d41c5dc69ae93f45f1458c54db06048358c922a9d9eb00e5713f7d5d2b1939026c4577c7b84e0cfe66d200db	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\1000231c = fde9bf0bf8bdd80f3e3060d137cd3b0fca4788d65e71a7cf7c44f4ea183f665b6de136ace2a88d42d37d759fc7574df0f1003b9b360b85fb474dc49e1c79da7536e5a24d37e8e9593b043c651d8fe3c7fb2b93a17db982e385728e829d9f4ed81cc6bc55cb16dafff8898bfe9212	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\a8bc4479 = 28e477868ff35b752396f033b49a9c9dd767c110c0ba1b809eafd5c85bf176dc8f1fb662cadc8347e91a835cb37abefaa6b788275ede7af62ff58114af8e2a30fc0b1b67876e868b6c86d2cee886046ca96a6644ea462fd769699d5578bd2a347a55202d3c1b0fa724ab84cbeacae0aaefd5	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\6d086c96 = c4f002fca319e97574eeb8963dacf3378f2bfb80bab419015e9ca05b16	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Qqmaojniswoq\aafd6405 = 72af0ed4ff056ea686aac3b3e8a06e4703befe8801ec1ba6125938ada56fcc1c4f525ab16ddddb25d67125a27d6ee852e3596677d27fc8ed23080bcf23fef7aef302ac66913776091186b5440e39837d33927de669e8889f14	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1524 rundll32.exe
2036 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1524 rundll32.exe
2036 regsvr32.exe

pid	process
1524	rundll32.exe
2036	regsvr32.exe

pid	process
1524	rundll32.exe
2036	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1608 wrote to memory of 1524	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1524	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1524	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1524	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1524	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1524	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1524	1608	rundll32.exe	rundll32.exe
PID 1524 wrote to memory of 2028	1524	rundll32.exe	explorer.exe
PID 1524 wrote to memory of 2028	1524	rundll32.exe	explorer.exe
PID 1524 wrote to memory of 2028	1524	rundll32.exe	explorer.exe
PID 1524 wrote to memory of 2028	1524	rundll32.exe	explorer.exe
PID 1524 wrote to memory of 2028	1524	rundll32.exe	explorer.exe
PID 1524 wrote to memory of 2028	1524	rundll32.exe	explorer.exe
PID 2028 wrote to memory of 1020	2028	explorer.exe	schtasks.exe
PID 2028 wrote to memory of 1020	2028	explorer.exe	schtasks.exe
PID 2028 wrote to memory of 1020	2028	explorer.exe	schtasks.exe
PID 2028 wrote to memory of 1020	2028	explorer.exe	schtasks.exe
PID 1820 wrote to memory of 1068	1820	taskeng.exe	regsvr32.exe
PID 1820 wrote to memory of 1068	1820	taskeng.exe	regsvr32.exe
PID 1820 wrote to memory of 1068	1820	taskeng.exe	regsvr32.exe
PID 1820 wrote to memory of 1068	1820	taskeng.exe	regsvr32.exe
PID 1820 wrote to memory of 1068	1820	taskeng.exe	regsvr32.exe
PID 1068 wrote to memory of 2036	1068	regsvr32.exe	regsvr32.exe
PID 1068 wrote to memory of 2036	1068	regsvr32.exe	regsvr32.exe
PID 1068 wrote to memory of 2036	1068	regsvr32.exe	regsvr32.exe
PID 1068 wrote to memory of 2036	1068	regsvr32.exe	regsvr32.exe
PID 1068 wrote to memory of 2036	1068	regsvr32.exe	regsvr32.exe
PID 1068 wrote to memory of 2036	1068	regsvr32.exe	regsvr32.exe
PID 1068 wrote to memory of 2036	1068	regsvr32.exe	regsvr32.exe
PID 2036 wrote to memory of 1832	2036	regsvr32.exe	explorer.exe
PID 2036 wrote to memory of 1832	2036	regsvr32.exe	explorer.exe
PID 2036 wrote to memory of 1832	2036	regsvr32.exe	explorer.exe
PID 2036 wrote to memory of 1832	2036	regsvr32.exe	explorer.exe
PID 2036 wrote to memory of 1832	2036	regsvr32.exe	explorer.exe
PID 2036 wrote to memory of 1832	2036	regsvr32.exe	explorer.exe
PID 1832 wrote to memory of 1744	1832	explorer.exe	reg.exe
PID 1832 wrote to memory of 1744	1832	explorer.exe	reg.exe
PID 1832 wrote to memory of 1744	1832	explorer.exe	reg.exe
PID 1832 wrote to memory of 1744	1832	explorer.exe	reg.exe
PID 1832 wrote to memory of 660	1832	explorer.exe	reg.exe
PID 1832 wrote to memory of 660	1832	explorer.exe	reg.exe
PID 1832 wrote to memory of 660	1832	explorer.exe	reg.exe
PID 1832 wrote to memory of 660	1832	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xtqwlcknfh /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll\"" /SC ONCE /Z /ST 10:02 /ET 10:14
4⤵
- Creates scheduled task(s)
PID:1020

C:\Windows\system32\taskeng.exe
taskeng.exe {F23B1D93-BF5C-44DF-BFC5-7F267EC837E8} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1832

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\Sousftqwn" /d "0"
5⤵
PID:1744

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\Kucpibyhlyzf" /d "0"
5⤵
PID:660

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\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll
MD5
51f81eccac70d30d37eab17ebae9c02c

SHA1
30e4eb355e5fae3a7a61fa135fbad369fa95c446

SHA256
ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a

SHA512
254222657ba6e9b0af5198633e7eff683adc803380144a73f16391341728b8d27648beff4a97ec91b07b7cf7a5b43d5fc7576eb6c2f5eb2a11772f7f3a9324b6

Download Submit
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll
MD5
51f81eccac70d30d37eab17ebae9c02c

SHA1
30e4eb355e5fae3a7a61fa135fbad369fa95c446

SHA256
ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a

SHA512
254222657ba6e9b0af5198633e7eff683adc803380144a73f16391341728b8d27648beff4a97ec91b07b7cf7a5b43d5fc7576eb6c2f5eb2a11772f7f3a9324b6

Download Submit
memory/1068-66-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

Filesize
8KB

Download
memory/1524-58-0x0000000001D40000-0x0000000001D61000-memory.dmp

Filesize
132KB

Download
memory/1524-60-0x0000000001CF0000-0x0000000001D33000-memory.dmp

Filesize
268KB

Download
memory/1524-61-0x0000000001D40000-0x0000000001D61000-memory.dmp

Filesize
132KB

Download
memory/1524-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download
memory/1524-59-0x0000000001D40000-0x0000000001D61000-memory.dmp

Filesize
132KB

Download
memory/1524-56-0x0000000001D40000-0x0000000001D61000-memory.dmp

Filesize
132KB

Download
memory/1524-57-0x0000000001D40000-0x0000000001D61000-memory.dmp

Filesize
132KB

Download
memory/1832-80-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2028-62-0x0000000000130000-0x0000000000132000-memory.dmp

Filesize
8KB

Download
memory/2028-64-0x0000000074281000-0x0000000074283000-memory.dmp

Filesize
8KB

Download
memory/2028-65-0x0000000000100000-0x0000000000121000-memory.dmp

Filesize
132KB

Download
memory/2036-70-0x00000000003B0000-0x0000000000450000-memory.dmp

Filesize
640KB

Download
memory/2036-75-0x0000000000B00000-0x0000000000B21000-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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