qakbot | 5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79

General

Target

5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll
Size

680KB
MD5

bb96feaa236ef3d7da3ec44fd6ae2703
SHA1

81467f8b8e6a1461f536d599a8285961ed32c7a2
SHA256

5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79
SHA512

7f27590227e68f283678d8487e5eb952fab97ec2d365c1648aa188e7b764647898789304fb94f724eaf8ea284223e30702da9a9c11b5984424a58d369212fff0

Score

10^/10

qakbot cullinan 1639988898 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639988898

C2

32.221.229.7:443

140.82.49.12:443

24.152.219.253:995

182.56.99.126:443

76.169.147.192:32103

218.101.110.3:995

89.101.97.139:443

82.152.39.39:443

176.24.150.197:443

96.37.113.36:993

68.186.192.69:443

59.88.168.108:443

75.110.250.187:443

182.191.92.203:995

89.165.88.95:443

103.142.10.177:443

45.9.20.200:2211

24.95.61.62:443

194.36.28.26:443

78.101.82.198:2222

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

1312 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

860 schtasks.exe

pid	process
1312	regsvr32.exe

pid	process
860	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\625154ac = 730bd117d5d8ea201dbe2b0c5f08c681408de2c27d88a4ba3804bd02fbc0b99e9050b1358d4e1b9dd6a332ab8150731721f18a92badcaa7bed93636bfbbbf35866b90aacba9c7512e918cbc1192ac3ea12a00121b95c1d12c5b03ec22fae5b729ea000be2834249fe775b76b7cb0f2d8738fe42ca37e7b281f52ba4d2fd6e374b877090bb3ddb4e06cc41846a87daa38607ac9721e45d68d1a7276	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\601074d0 = a09d1e25a5c253e324492eb66abc59ec0721bdfb002200bec778e53ff60393e3a6d966acd6bf4b9ac01280865b1ddd3ff315376208989567c4b1f8aa6ff37073bd945a2efa4d37442187f8c3a106bca31eea9ef98944f5be0c48f53b4c6303351531990200676674d6740e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\d8ac13b5 = 393fa5f906eda89074a5bfea0b4c54082a6b0adcde720030c39207b37ae00b7f8c594892cb	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\a5a45c3f = ede8e70b80f3bdf8de08cc1c47e16c10	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\2887eb14 = f400fecd5a258b54e680fd066da467c7729fc7b71c4e3effd4a7602e150ce11df8110f0c119061acee5d48d9f77ecde4b6261eb1d8e8de14d1a6cef834	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\57ce84e2 = 6326b3d9be78e5d073af87cc006c22cb504e8f975b85257efb4f1352a4eae232e84f569e212646d6e7b5eef1989c1f574a40e617680742fe65fc16e8880bd26ba1a353d4d6e5745854e4cf2026d6f694c73c3e5a93f0e01eb97d8addd8ecaa901822d863f3b5	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\1d183b5a = 4f31c37c1ddb521895703688fcd99d694039183b840b8d6e009faeec3b6ee38d56fef8e0c065c0dddcdf05192a771e0f088c26073c70c81a3d75	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\daed33c9 = 9b85b199f6f369bbda4924b3334599794bd70c55f6cd071ec1d33eb1006d6531545e9bc5686b92846c1d801d5d3f4363c1eccba08ecc6da32cc1dc93a4d1674120b7089e36fa77b59c750e162744d55ecbb0fb9933fc0bb3e84240693b4a3231d5947e56abdc1418	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xnmyoufhufg\57ce84e2 = 6326a4d9be78d052e95f738d71d7ad129d07fc7a10c20fd3c16d1e5b2d5258dc3672ddceac231d121f2d5db5b153c7437f09b5aea792e35c38d60b3fd9fe0af9b56f3c3c9a8fb90e57e1931caa26fa07b2	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1388 regsvr32.exe
1312 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1388 regsvr32.exe
1312 regsvr32.exe

pid	process
1388	regsvr32.exe
1312	regsvr32.exe

pid	process
1388	regsvr32.exe
1312	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1700 wrote to memory of 1388	1700	regsvr32.exe	regsvr32.exe
PID 1700 wrote to memory of 1388	1700	regsvr32.exe	regsvr32.exe
PID 1700 wrote to memory of 1388	1700	regsvr32.exe	regsvr32.exe
PID 1700 wrote to memory of 1388	1700	regsvr32.exe	regsvr32.exe
PID 1700 wrote to memory of 1388	1700	regsvr32.exe	regsvr32.exe
PID 1700 wrote to memory of 1388	1700	regsvr32.exe	regsvr32.exe
PID 1700 wrote to memory of 1388	1700	regsvr32.exe	regsvr32.exe
PID 1388 wrote to memory of 1668	1388	regsvr32.exe	explorer.exe
PID 1388 wrote to memory of 1668	1388	regsvr32.exe	explorer.exe
PID 1388 wrote to memory of 1668	1388	regsvr32.exe	explorer.exe
PID 1388 wrote to memory of 1668	1388	regsvr32.exe	explorer.exe
PID 1388 wrote to memory of 1668	1388	regsvr32.exe	explorer.exe
PID 1388 wrote to memory of 1668	1388	regsvr32.exe	explorer.exe
PID 1668 wrote to memory of 860	1668	explorer.exe	schtasks.exe
PID 1668 wrote to memory of 860	1668	explorer.exe	schtasks.exe
PID 1668 wrote to memory of 860	1668	explorer.exe	schtasks.exe
PID 1668 wrote to memory of 860	1668	explorer.exe	schtasks.exe
PID 1544 wrote to memory of 1960	1544	taskeng.exe	regsvr32.exe
PID 1544 wrote to memory of 1960	1544	taskeng.exe	regsvr32.exe
PID 1544 wrote to memory of 1960	1544	taskeng.exe	regsvr32.exe
PID 1544 wrote to memory of 1960	1544	taskeng.exe	regsvr32.exe
PID 1544 wrote to memory of 1960	1544	taskeng.exe	regsvr32.exe
PID 1960 wrote to memory of 1312	1960	regsvr32.exe	regsvr32.exe
PID 1960 wrote to memory of 1312	1960	regsvr32.exe	regsvr32.exe
PID 1960 wrote to memory of 1312	1960	regsvr32.exe	regsvr32.exe
PID 1960 wrote to memory of 1312	1960	regsvr32.exe	regsvr32.exe
PID 1960 wrote to memory of 1312	1960	regsvr32.exe	regsvr32.exe
PID 1960 wrote to memory of 1312	1960	regsvr32.exe	regsvr32.exe
PID 1960 wrote to memory of 1312	1960	regsvr32.exe	regsvr32.exe
PID 1312 wrote to memory of 532	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 532	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 532	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 532	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 532	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 532	1312	regsvr32.exe	explorer.exe
PID 532 wrote to memory of 1488	532	explorer.exe	reg.exe
PID 532 wrote to memory of 1488	532	explorer.exe	reg.exe
PID 532 wrote to memory of 1488	532	explorer.exe	reg.exe
PID 532 wrote to memory of 1488	532	explorer.exe	reg.exe
PID 532 wrote to memory of 1788	532	explorer.exe	reg.exe
PID 532 wrote to memory of 1788	532	explorer.exe	reg.exe
PID 532 wrote to memory of 1788	532	explorer.exe	reg.exe
PID 532 wrote to memory of 1788	532	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1388

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jqrqvmxi /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll\"" /SC ONCE /Z /ST 18:45 /ET 18:57
4⤵
- Creates scheduled task(s)
PID:860

C:\Windows\system32\taskeng.exe
taskeng.exe {612BAC8A-AFC4-4B56-9E49-C49304F7349A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1544

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1960

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:532

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\Apnkmzdqru" /d "0"
5⤵
PID:1488

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\Ybngyaax" /d "0"
5⤵
PID:1788

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\5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll
MD5
bb96feaa236ef3d7da3ec44fd6ae2703

SHA1
81467f8b8e6a1461f536d599a8285961ed32c7a2

SHA256
5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79

SHA512
7f27590227e68f283678d8487e5eb952fab97ec2d365c1648aa188e7b764647898789304fb94f724eaf8ea284223e30702da9a9c11b5984424a58d369212fff0

Download Submit
\Users\Admin\AppData\Local\Temp\5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79.dll
MD5
bb96feaa236ef3d7da3ec44fd6ae2703

SHA1
81467f8b8e6a1461f536d599a8285961ed32c7a2

SHA256
5293642902c17934ac5d239f3e3d78256e7d40d0467fca2c7a4ffc5556743f79

SHA512
7f27590227e68f283678d8487e5eb952fab97ec2d365c1648aa188e7b764647898789304fb94f724eaf8ea284223e30702da9a9c11b5984424a58d369212fff0

Download Submit
memory/532-78-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/532-73-0x0000000000000000-mapping.dmp

Download
memory/860-64-0x0000000000000000-mapping.dmp

Download
memory/1312-69-0x0000000000000000-mapping.dmp

Download
memory/1388-59-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download
memory/1388-58-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1388-57-0x00000000758A1000-0x00000000758A3000-memory.dmp

Filesize
8KB

Download
memory/1388-56-0x0000000000000000-mapping.dmp

Download
memory/1488-76-0x0000000000000000-mapping.dmp

Download
memory/1668-61-0x0000000000000000-mapping.dmp

Download
memory/1668-63-0x0000000074961000-0x0000000074963000-memory.dmp

Filesize
8KB

Download
memory/1668-60-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/1668-65-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1700-55-0x000007FEFBF31000-0x000007FEFBF33000-memory.dmp

Filesize
8KB

Download
memory/1788-77-0x0000000000000000-mapping.dmp

Download
memory/1960-66-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads