qakbot | 382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6

General

Target

382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll
Size

644KB
MD5

94021435884d88ff3ede46bf5837a297
SHA1

4f8105543df18f6e68502fe0538c2ecef61bd4c4
SHA256

382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6
SHA512

21e5f4f92428ee29d4a83f1bcdd5f92ac4f2f324a2edff149da41be5e951bd3d956b479eeba191f2b9febd5aa252f9a60d4c5dae021208a0429cb0ab44a5a7d0

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 2 IoCs

Processes:

regsvr32.exe

pid process

680 regsvr32.exe
680 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

3972 schtasks.exe

pid	process
680	regsvr32.exe
680	regsvr32.exe

pid	process
3972	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\93940a7c = 6867f0b5662950b33c5a691feee8e3f385fa5617211981	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\a44afa4e = e4fdc134ff60a22b0971aa105edd8128b49a015161b5dabae73a6f3b95f92f2ae29f7725bfab94503c3005506bdac1304648768f3df57ee1dc29c24f4b757bfa6072	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\1eb7bd57 = ead16f5c3ac574e4d49a4f76a6cfe87b505d844475b0439d35929bcc106269acf4ebb4b5d9793d4385fe86ca372b2a10541cd30a9307677910155311706d9a97324510f1cee4947957c469	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\ecdd658a = 44e57c6a2fb66923c631499ab86f4ae41198072b94f88dd32cada89f93df23209c971a21abe5296b28792c9601866851f0	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\93940a7c = 6867e7b5662965b0fc67b041b37fd697b3c79e930dceb46b3a779a58053c0cdb08f46bdb20072d45657af929	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\a60bda32 = fb78390cf746c26c8442dee6f2e8f5d3feeedb3fff338c1df00c371db379a0dfafbf08f1f619cd13a0dfeff19307bff4df2958cbbbc211adaeebdb81266089bae929aa1cacc19f440bbb8cf4a1ee629e5265ef407a09f605b9e4278f527599313a739980e97ba931326fcf236137da375892f00e23d52a6d3cb673339b323d051127c61e92c1cf3b9e8806d67b14e4914e086d8c2fc08d02d184ea33	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\1cf69d2b = 92e44086844a43b6d9aab6c9c24c8ca52a4c21ebb7c52ac56b5c9a61eff2f8df49e918289ffddfc74e3655228be94ef3b52dcfb9aa165a52f414963dfe41bc82a529b04f418654c5f35ebdd0	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\61fed2a1 = 41f1898cad824732a11ef383556452f33d88310023887b047f214958b65fabac54e210ae2565dfbf010f5b89e94c4ef2074b718175a2c9b033228e00c970aff78ab6e48dc7c1e4ffea8bcb56d146019f94aa	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Wbgsdoyaafyohu\d942b5c4 = 535fb137cf5388502c5ca1df2c253a1e1f535162c627c921e510cf86cb10a1cd1c53f218b34fe3c8b5467651201b3d93d50d869ee1dd75f47751fc93bd09	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
2764	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe
680	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2764 regsvr32.exe
680 regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 2744 wrote to memory of 2764	2744	regsvr32.exe	regsvr32.exe
PID 2744 wrote to memory of 2764	2744	regsvr32.exe	regsvr32.exe
PID 2744 wrote to memory of 2764	2744	regsvr32.exe	regsvr32.exe
PID 2764 wrote to memory of 3808	2764	regsvr32.exe	explorer.exe
PID 2764 wrote to memory of 3808	2764	regsvr32.exe	explorer.exe
PID 2764 wrote to memory of 3808	2764	regsvr32.exe	explorer.exe
PID 2764 wrote to memory of 3808	2764	regsvr32.exe	explorer.exe
PID 2764 wrote to memory of 3808	2764	regsvr32.exe	explorer.exe
PID 3808 wrote to memory of 3972	3808	explorer.exe	schtasks.exe
PID 3808 wrote to memory of 3972	3808	explorer.exe	schtasks.exe
PID 3808 wrote to memory of 3972	3808	explorer.exe	schtasks.exe
PID 1160 wrote to memory of 680	1160	regsvr32.exe	regsvr32.exe
PID 1160 wrote to memory of 680	1160	regsvr32.exe	regsvr32.exe
PID 1160 wrote to memory of 680	1160	regsvr32.exe	regsvr32.exe
PID 680 wrote to memory of 720	680	regsvr32.exe	explorer.exe
PID 680 wrote to memory of 720	680	regsvr32.exe	explorer.exe
PID 680 wrote to memory of 720	680	regsvr32.exe	explorer.exe
PID 680 wrote to memory of 720	680	regsvr32.exe	explorer.exe
PID 680 wrote to memory of 720	680	regsvr32.exe	explorer.exe
PID 720 wrote to memory of 1080	720	explorer.exe	reg.exe
PID 720 wrote to memory of 1080	720	explorer.exe	reg.exe
PID 720 wrote to memory of 872	720	explorer.exe	reg.exe
PID 720 wrote to memory of 872	720	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2764

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3808

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bjxdkfc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll\"" /SC ONCE /Z /ST 16:58 /ET 17:10
4⤵
- Creates scheduled task(s)
PID:3972

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:1160

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:680

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:720

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\Egjxsdac" /d "0"
4⤵
PID:1080

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\Emovy" /d "0"
4⤵
PID:872

Network

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\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll
MD5
94021435884d88ff3ede46bf5837a297

SHA1
4f8105543df18f6e68502fe0538c2ecef61bd4c4

SHA256
382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6

SHA512
21e5f4f92428ee29d4a83f1bcdd5f92ac4f2f324a2edff149da41be5e951bd3d956b479eeba191f2b9febd5aa252f9a60d4c5dae021208a0429cb0ab44a5a7d0

Download Submit
\Users\Admin\AppData\Local\Temp\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll
MD5
94021435884d88ff3ede46bf5837a297

SHA1
4f8105543df18f6e68502fe0538c2ecef61bd4c4

SHA256
382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6

SHA512
21e5f4f92428ee29d4a83f1bcdd5f92ac4f2f324a2edff149da41be5e951bd3d956b479eeba191f2b9febd5aa252f9a60d4c5dae021208a0429cb0ab44a5a7d0

Download Submit
\Users\Admin\AppData\Local\Temp\382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6.dll
MD5
94021435884d88ff3ede46bf5837a297

SHA1
4f8105543df18f6e68502fe0538c2ecef61bd4c4

SHA256
382be281fdf5fc9c5afdf4b9a66fd7157924830fd5f4cd5691734d16ff6b16d6

SHA512
21e5f4f92428ee29d4a83f1bcdd5f92ac4f2f324a2edff149da41be5e951bd3d956b479eeba191f2b9febd5aa252f9a60d4c5dae021208a0429cb0ab44a5a7d0

Download Submit
memory/680-131-0x0000000003070000-0x00000000031FE000-memory.dmp

Filesize
1.6MB

Download
memory/680-130-0x0000000002FF0000-0x000000000306B000-memory.dmp

Filesize
492KB

Download
memory/680-125-0x0000000000000000-mapping.dmp

Download
memory/680-132-0x0000000002CC0000-0x0000000002D62000-memory.dmp

Filesize
648KB

Download
memory/680-128-0x0000000002CC0000-0x0000000002D62000-memory.dmp

Filesize
648KB

Download
memory/720-137-0x0000000003480000-0x0000000003481000-memory.dmp

Filesize
4KB

Download
memory/720-138-0x0000000003480000-0x0000000003481000-memory.dmp

Filesize
4KB

Download
memory/720-135-0x0000000002DD0000-0x0000000002DF1000-memory.dmp

Filesize
132KB

Download
memory/720-133-0x0000000000000000-mapping.dmp

Download
memory/872-136-0x0000000000000000-mapping.dmp

Download
memory/1080-134-0x0000000000000000-mapping.dmp

Download
memory/2764-116-0x00000000045E0000-0x000000000465B000-memory.dmp

Filesize
492KB

Download
memory/2764-115-0x0000000000000000-mapping.dmp

Download
memory/2764-118-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/2764-117-0x00000000047E0000-0x000000000496E000-memory.dmp

Filesize
1.6MB

Download
memory/3808-119-0x0000000000000000-mapping.dmp

Download
memory/3808-123-0x00000000033F0000-0x00000000033F1000-memory.dmp

Filesize
4KB

Download
memory/3808-122-0x00000000033F0000-0x00000000033F1000-memory.dmp

Filesize
4KB

Download
memory/3808-120-0x0000000002DD0000-0x0000000002DF1000-memory.dmp

Filesize
132KB

Download
memory/3972-121-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads