qakbot | f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85

General

Target

f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll
Size

643KB
MD5

295425fced178430a97ed34f9795af0a
SHA1

31be2fbc8be9bc370dd05dd2b3781fde0ba6d38f
SHA256

f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85
SHA512

0468b9d0b95d6d36ddc3d0af7ab9835edfa3c1c3542f2652e794e61a01821c04230ae3dd0c01fa35e6f2bef670ac3763ad27bc464a1b66272e9aa22c761eaf28

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

996 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

736 schtasks.exe

pid	process
996	regsvr32.exe

pid	process
736	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\23631b35 = 2175559374c9c31af7178ba5bde1dedb8156064e385fde1f4ad0efb48e825e6d069d0613d9a60314157dafdad9080e80ba8dfeaad93dec99d10e1bb059b244f31b599e484abcb3bbe3df7f63c88aaed3e15b25f19524d3	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\5c2a74c3 = 29326648432e4cedb59e0417d4bba2dc98704c8485d781b0c843108be56b85ea3dcfbf23777cd8177a3db666e8b6f3d6d1467074bae20794d6e3f4a7580e	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Olyeaxdpyddayg	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\5c2a74c3 = 29327148432e79bcbc950f5ace120ff1930cd00cc0bb1b3f7ac337af894a424704c3884ca34dbfc0d1	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\ae40ac1e = a750f1526f7bf4f7ced2a7998196363dc1b7e446f152d197f838b33a5129258c652901bd3c5d5db0bc18cdcba194363056eca83b279e21a7481691b7c6029052909470fb68213a4ecfbfbae85e7a59fecb8b6230021be07cfda2b087d97f512f9d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\16fccb7b = 6441da6ea91b4b94df4b0c3f26c790e609d5cc170df80e41d63ee4aa3e1b4ec66edf6f6efdbffcc87cffa1caee	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\69b5a48d = 79102bb722ca0821e3786fb0c021879dc8e9628f07aa0e85e5b475c4220d076dcfb4da809d4073eba3e6219392dccaf37db8bd72f6656d94f0bee5505cf0cbda99034a70c2814bf3314beaa26acbbbc759a7ead9584114b03d6b7c826f039cf9b7307d2261240e4a57b3cfa7e7ed7a0203da4ca56f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\6bf484f1 = 061cfcf9bf2b9cc959f3976fc8bab985490cef95e1862f3a55b21620b28261f8e537b9bad037c87d68d3f9dcbbbbedb8f36d92e382b1b1e3cd4bb697ce25f64e3fe99447b1b4bb1df92bb113eb05844b5dcc1aa1c848ccb45bbade8de126	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\d348e394 = 7e4f14b4d125636e73fe7bc55e7a5b1b300dbf2ed2a70953f7a12632120d9fc425667eea514bc2415ce5490f221c4e365e137a7c4696ad7ae0a9fb4e1b752735201ed4b3f8320ff21296710333b5925a5d8cea2e4e259eb0aae4506553e4bb53db35	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Olyeaxdpyddayg\d109c3e8 = d7a3b092aae26c8ac617e896ae0bbdab7fb5d36cad9076c2baf6fde4693183c0c15f9cd6	explorer.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
1692	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe
996	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1692 regsvr32.exe
996 regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 968 wrote to memory of 1692	968	regsvr32.exe	regsvr32.exe
PID 968 wrote to memory of 1692	968	regsvr32.exe	regsvr32.exe
PID 968 wrote to memory of 1692	968	regsvr32.exe	regsvr32.exe
PID 968 wrote to memory of 1692	968	regsvr32.exe	regsvr32.exe
PID 968 wrote to memory of 1692	968	regsvr32.exe	regsvr32.exe
PID 968 wrote to memory of 1692	968	regsvr32.exe	regsvr32.exe
PID 968 wrote to memory of 1692	968	regsvr32.exe	regsvr32.exe
PID 1692 wrote to memory of 1288	1692	regsvr32.exe	explorer.exe
PID 1692 wrote to memory of 1288	1692	regsvr32.exe	explorer.exe
PID 1692 wrote to memory of 1288	1692	regsvr32.exe	explorer.exe
PID 1692 wrote to memory of 1288	1692	regsvr32.exe	explorer.exe
PID 1692 wrote to memory of 1288	1692	regsvr32.exe	explorer.exe
PID 1692 wrote to memory of 1288	1692	regsvr32.exe	explorer.exe
PID 1288 wrote to memory of 736	1288	explorer.exe	schtasks.exe
PID 1288 wrote to memory of 736	1288	explorer.exe	schtasks.exe
PID 1288 wrote to memory of 736	1288	explorer.exe	schtasks.exe
PID 1288 wrote to memory of 736	1288	explorer.exe	schtasks.exe
PID 1324 wrote to memory of 1276	1324	taskeng.exe	regsvr32.exe
PID 1324 wrote to memory of 1276	1324	taskeng.exe	regsvr32.exe
PID 1324 wrote to memory of 1276	1324	taskeng.exe	regsvr32.exe
PID 1324 wrote to memory of 1276	1324	taskeng.exe	regsvr32.exe
PID 1324 wrote to memory of 1276	1324	taskeng.exe	regsvr32.exe
PID 1276 wrote to memory of 996	1276	regsvr32.exe	regsvr32.exe
PID 1276 wrote to memory of 996	1276	regsvr32.exe	regsvr32.exe
PID 1276 wrote to memory of 996	1276	regsvr32.exe	regsvr32.exe
PID 1276 wrote to memory of 996	1276	regsvr32.exe	regsvr32.exe
PID 1276 wrote to memory of 996	1276	regsvr32.exe	regsvr32.exe
PID 1276 wrote to memory of 996	1276	regsvr32.exe	regsvr32.exe
PID 1276 wrote to memory of 996	1276	regsvr32.exe	regsvr32.exe
PID 996 wrote to memory of 1992	996	regsvr32.exe	explorer.exe
PID 996 wrote to memory of 1992	996	regsvr32.exe	explorer.exe
PID 996 wrote to memory of 1992	996	regsvr32.exe	explorer.exe
PID 996 wrote to memory of 1992	996	regsvr32.exe	explorer.exe
PID 996 wrote to memory of 1992	996	regsvr32.exe	explorer.exe
PID 996 wrote to memory of 1992	996	regsvr32.exe	explorer.exe
PID 1992 wrote to memory of 2016	1992	explorer.exe	reg.exe
PID 1992 wrote to memory of 2016	1992	explorer.exe	reg.exe
PID 1992 wrote to memory of 2016	1992	explorer.exe	reg.exe
PID 1992 wrote to memory of 2016	1992	explorer.exe	reg.exe
PID 1992 wrote to memory of 2028	1992	explorer.exe	reg.exe
PID 1992 wrote to memory of 2028	1992	explorer.exe	reg.exe
PID 1992 wrote to memory of 2028	1992	explorer.exe	reg.exe
PID 1992 wrote to memory of 2028	1992	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gflgppz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll\"" /SC ONCE /Z /ST 17:30 /ET 17:42
4⤵
- Creates scheduled task(s)
PID:736

C:\Windows\system32\taskeng.exe
taskeng.exe {1D3E2A38-94D0-4AEC-922D-93FD301F7408} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1992

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\Ooupqlvis" /d "0"
5⤵
PID:2016

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\Wcnmvkueevy" /d "0"
5⤵
PID:2028

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\f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll
MD5
295425fced178430a97ed34f9795af0a

SHA1
31be2fbc8be9bc370dd05dd2b3781fde0ba6d38f

SHA256
f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85

SHA512
0468b9d0b95d6d36ddc3d0af7ab9835edfa3c1c3542f2652e794e61a01821c04230ae3dd0c01fa35e6f2bef670ac3763ad27bc464a1b66272e9aa22c761eaf28

Download Submit
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85.dll
MD5
295425fced178430a97ed34f9795af0a

SHA1
31be2fbc8be9bc370dd05dd2b3781fde0ba6d38f

SHA256
f38bf10f6ca98ffc2eb4da77a43eb212499df2bb602c944688d81d0ac7f95e85

SHA512
0468b9d0b95d6d36ddc3d0af7ab9835edfa3c1c3542f2652e794e61a01821c04230ae3dd0c01fa35e6f2bef670ac3763ad27bc464a1b66272e9aa22c761eaf28

Download Submit
memory/736-66-0x0000000000000000-mapping.dmp

Download
memory/968-54-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

Filesize
8KB

Download
memory/996-78-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/996-76-0x0000000000C40000-0x0000000000CBB000-memory.dmp

Filesize
492KB

Download
memory/996-77-0x0000000000CC0000-0x0000000000E40000-memory.dmp

Filesize
1.5MB

Download
memory/996-74-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/996-71-0x0000000000000000-mapping.dmp

Download
memory/1276-68-0x0000000000000000-mapping.dmp

Download
memory/1288-60-0x0000000000000000-mapping.dmp

Download
memory/1288-65-0x00000000743B1000-0x00000000743B3000-memory.dmp

Filesize
8KB

Download
memory/1288-59-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/1288-67-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1692-64-0x0000000001EE0000-0x0000000001F82000-memory.dmp

Filesize
648KB

Download
memory/1692-63-0x00000000021E0000-0x0000000002360000-memory.dmp

Filesize
1.5MB

Download
memory/1692-61-0x0000000000260000-0x00000000002DB000-memory.dmp

Filesize
492KB

Download
memory/1692-57-0x0000000001EE0000-0x0000000001F82000-memory.dmp

Filesize
648KB

Download
memory/1692-56-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1692-55-0x0000000000000000-mapping.dmp

Download
memory/1992-80-0x0000000000000000-mapping.dmp

Download
memory/1992-85-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2016-84-0x0000000000000000-mapping.dmp

Download
memory/2028-86-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads