qakbot | f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372

General

Target

f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
Size

638KB
MD5

2f3ba4d6bc146db4af54dffa1073f93e
SHA1

fdc0db26a493a618628468371d90c9693ce1cafb
SHA256

f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372
SHA512

a371041f26389fcb9137276115103564e39685d94c4d28da4f779fe689627cceebd415788e406d83ca145208e6a432815d4d597eab1d883609b4cd96a8322a3a

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

1596 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

1480 schtasks.exe

pid	process
1596	regsvr32.exe

pid	process
1480	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\7d3214dc = 1f601c2a99a49599f03b986931192b65c0e43f70c2769aa0ef1020ac456ae14a9958a9f8436dc6679ff9e26e1b18e991c58bf5d35cae693a695e4b2a362589d05157b18412fff4d02752b03f1629d744ac9941e0c66afd5126f2be5b1971f94bfbae60d7045353	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\8f58cc01 = 8c62fe4d7cc52abf343dc7229a6d3d65f7a673620b990e4e550da605d5c3064e75f48d6792d5e6398b56546ac4cab72b6bb351931d2ce345b162a9e651756b3b	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\f011a3f7 = b5da741380ac0fdfda3af9b43ad755a84722bffc32bcd66ce85d09aee0abb6628cd8fd143d77c4b853b12be7bbc2c26b0070cd13	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\7f7334a0 = b7aea321e3e5d426cb9643232efc645be6fa0db00907f8767946700f2b295604a02105d78287ebb91494d5b0ba00193187ecc73c6cddc6f890689f38af3594c1	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\27b7b2a = e38bf047eea58cb5432ee04a9106ea563ed96a45543a7394db3c091cdc48dc3752318fc7e33176d07b49ad0a19a6af82a7da99289d15316da9e3545269c1b704890d5c6512376642b6de8b93a2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\bac71c4f = bfdd6e90e80e82cc763d9f6d7b8f0e8435340a4f7cc5d9b8fb6541ff5832b05739223548d5de38c2f08c0686250b80ec4552a9638b88ea25b3f049bc89886059fe524a09c083577f9639d31b9d583f4350c058feb21a90b5112e81f053df4f9c85	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\f011a3f7 = b5da631380ac3a8d59a5f592cbe366d84d79b1ab5512ab2a4a3c83d252058fae6c6ab9f15c5d9880109b44022be12be1ad7b871b54bffd9e5b6050da98a109ca6137372baae78f2698	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\c58e73b9 = a3137c8c7a8b8eae1dbfa7c68afcab0c48680f9cde01e7ee53b3d46bccb949139baaab3dda54ec72bab1607f2847cd2be48bc4507a6e53973799c74520226618e4328d483249405dec200789934b3cf3fcbe39b2c20478e2fe3f188fb7d5c64df497ebc730e4f0b494f4e6cf16d294d1af447d2a7a200e58de3ddb397de5bc01714ed1a0d5054fac8eef0e1ee6f66788d504a2cb47f8a20ce07b38e3cc481f3638c04f00bcff288ca935a1c0d11fb30b27f757e6f048b8	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Fbvzreotawh\c7cf53c5 = 693723d635618b7fc29fc5aec2bb31074bee3951bee90a5f837f759f129d162ca269473747d6bccc5ba464144f648751c61eb1baed2b68f482ceeecec7d9a19269b107d06117c1018540c403ab5399eed2908c10e11473052e92	explorer.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
944	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe
1596	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

944 regsvr32.exe
1596 regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1056 wrote to memory of 944	1056	regsvr32.exe	regsvr32.exe
PID 1056 wrote to memory of 944	1056	regsvr32.exe	regsvr32.exe
PID 1056 wrote to memory of 944	1056	regsvr32.exe	regsvr32.exe
PID 1056 wrote to memory of 944	1056	regsvr32.exe	regsvr32.exe
PID 1056 wrote to memory of 944	1056	regsvr32.exe	regsvr32.exe
PID 1056 wrote to memory of 944	1056	regsvr32.exe	regsvr32.exe
PID 1056 wrote to memory of 944	1056	regsvr32.exe	regsvr32.exe
PID 944 wrote to memory of 1492	944	regsvr32.exe	explorer.exe
PID 944 wrote to memory of 1492	944	regsvr32.exe	explorer.exe
PID 944 wrote to memory of 1492	944	regsvr32.exe	explorer.exe
PID 944 wrote to memory of 1492	944	regsvr32.exe	explorer.exe
PID 944 wrote to memory of 1492	944	regsvr32.exe	explorer.exe
PID 944 wrote to memory of 1492	944	regsvr32.exe	explorer.exe
PID 1492 wrote to memory of 1480	1492	explorer.exe	schtasks.exe
PID 1492 wrote to memory of 1480	1492	explorer.exe	schtasks.exe
PID 1492 wrote to memory of 1480	1492	explorer.exe	schtasks.exe
PID 1492 wrote to memory of 1480	1492	explorer.exe	schtasks.exe
PID 1592 wrote to memory of 1640	1592	taskeng.exe	regsvr32.exe
PID 1592 wrote to memory of 1640	1592	taskeng.exe	regsvr32.exe
PID 1592 wrote to memory of 1640	1592	taskeng.exe	regsvr32.exe
PID 1592 wrote to memory of 1640	1592	taskeng.exe	regsvr32.exe
PID 1592 wrote to memory of 1640	1592	taskeng.exe	regsvr32.exe
PID 1640 wrote to memory of 1596	1640	regsvr32.exe	regsvr32.exe
PID 1640 wrote to memory of 1596	1640	regsvr32.exe	regsvr32.exe
PID 1640 wrote to memory of 1596	1640	regsvr32.exe	regsvr32.exe
PID 1640 wrote to memory of 1596	1640	regsvr32.exe	regsvr32.exe
PID 1640 wrote to memory of 1596	1640	regsvr32.exe	regsvr32.exe
PID 1640 wrote to memory of 1596	1640	regsvr32.exe	regsvr32.exe
PID 1640 wrote to memory of 1596	1640	regsvr32.exe	regsvr32.exe
PID 1596 wrote to memory of 988	1596	regsvr32.exe	explorer.exe
PID 1596 wrote to memory of 988	1596	regsvr32.exe	explorer.exe
PID 1596 wrote to memory of 988	1596	regsvr32.exe	explorer.exe
PID 1596 wrote to memory of 988	1596	regsvr32.exe	explorer.exe
PID 1596 wrote to memory of 988	1596	regsvr32.exe	explorer.exe
PID 1596 wrote to memory of 988	1596	regsvr32.exe	explorer.exe
PID 988 wrote to memory of 1764	988	explorer.exe	reg.exe
PID 988 wrote to memory of 1764	988	explorer.exe	reg.exe
PID 988 wrote to memory of 1764	988	explorer.exe	reg.exe
PID 988 wrote to memory of 1764	988	explorer.exe	reg.exe
PID 988 wrote to memory of 1216	988	explorer.exe	reg.exe
PID 988 wrote to memory of 1216	988	explorer.exe	reg.exe
PID 988 wrote to memory of 1216	988	explorer.exe	reg.exe
PID 988 wrote to memory of 1216	988	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:944

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rdlwpqfa /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll\"" /SC ONCE /Z /ST 16:16 /ET 16:28
4⤵
- Creates scheduled task(s)
PID:1480

C:\Windows\system32\taskeng.exe
taskeng.exe {62921CE7-7EC0-4D38-8C36-2064C3FD3A5C} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:988

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\Cwrteftz" /d "0"
5⤵
PID:1764

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\Ovyfqhwewvqq" /d "0"
5⤵
PID:1216

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\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
MD5
2f3ba4d6bc146db4af54dffa1073f93e

SHA1
fdc0db26a493a618628468371d90c9693ce1cafb

SHA256
f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372

SHA512
a371041f26389fcb9137276115103564e39685d94c4d28da4f779fe689627cceebd415788e406d83ca145208e6a432815d4d597eab1d883609b4cd96a8322a3a

Download Submit
\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
MD5
2f3ba4d6bc146db4af54dffa1073f93e

SHA1
fdc0db26a493a618628468371d90c9693ce1cafb

SHA256
f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372

SHA512
a371041f26389fcb9137276115103564e39685d94c4d28da4f779fe689627cceebd415788e406d83ca145208e6a432815d4d597eab1d883609b4cd96a8322a3a

Download Submit
memory/944-65-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/944-57-0x0000000074EC1000-0x0000000074EC3000-memory.dmp

Filesize
8KB

Download
memory/944-60-0x0000000000C30000-0x0000000000CAB000-memory.dmp

Filesize
492KB

Download
memory/944-56-0x0000000000000000-mapping.dmp

Download
memory/944-58-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/944-64-0x0000000002220000-0x00000000023A0000-memory.dmp

Filesize
1.5MB

Download
memory/988-79-0x0000000000000000-mapping.dmp

Download
memory/988-86-0x00000000000C0000-0x00000000000E1000-memory.dmp

Filesize
132KB

Download
memory/1056-55-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp

Filesize
8KB

Download
memory/1216-85-0x0000000000000000-mapping.dmp

Download
memory/1480-67-0x0000000000000000-mapping.dmp

Download
memory/1492-62-0x0000000000000000-mapping.dmp

Download
memory/1492-68-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1492-66-0x00000000744D1000-0x00000000744D3000-memory.dmp

Filesize
8KB

Download
memory/1492-61-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/1596-77-0x0000000000B00000-0x0000000000B7B000-memory.dmp

Filesize
492KB

Download
memory/1596-75-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/1596-81-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/1596-80-0x0000000000B80000-0x0000000000D00000-memory.dmp

Filesize
1.5MB

Download
memory/1596-72-0x0000000000000000-mapping.dmp

Download
memory/1640-69-0x0000000000000000-mapping.dmp

Download
memory/1764-84-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads