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

692 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

772 schtasks.exe

pid	process
692	regsvr32.exe

pid	process
772	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\8e7d5f9a = 63f7bec2b3207358c6d0b06f13223f52ccc34f1c9c82e4a189ed34a88ac9bff67212a98feb5d6dae2e8fbb8ee6045bd9680a8dd2d45e13f666784d486aa451be9e22b84717f67dcd44588c71e05033804ac8be1e273de0c35b049d9ae42626c7e585f0fce577b906fbe560ef7192362d2eba4c8278baf99519fcb914da14890da42ee76e7a8446a4ab66ecc285a9b27ed02763b542dd430277c2a3dd85ed803c9f45	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\49885709 = 1c5bba386021e18448e45257ab5ab02279127885aa0c0c93c5498b26637c3545203fb03eb9fe623aa645a1da4f26e5c4149254df88	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\f134306c = a6e4975ca83aa159c88cd722748e3f2fd72d87ad	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\c4abe022 = e6709f2d9f821d0b3774f44fd0910fbb8133a83a6d08e2ce8581edbb758db9bd7f4868f6b0d28a0b2367d6e6c09b626284ba2af5c3e71c046cf7c7b6041609d25e7bac14436357fe6b935d03487f49999b7302	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\bbe28fd4 = fbadab70049d8eb667109951a8cfeb40501234cb9aa350dc937c95cd9b87cad795e9acc2cf247085c907ecdc8a81dd9c142a04cd6764bc43627b261a9ea3f64d9d649228b78238f2e11c3f91dd357b4a515a47d5df	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\bbe28fd4 = fbadbc70049dbb52ba97dca9267c950aa4a7c3e9eca96a5462256c4a4e4a020f08c3f045813beef26dc1d08379d19cc32aded1a551f2471744a272b64e1a13a5	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\8c3c7fe6 = bb3a187984966a33d96ab78ec9d56e1abf2d84	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\34801883 = 2d2a06d19a2368d2c4a48bfec7b95af865eef399ce80dee5a0d0d7c509f46163bf43a193e4332e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yjyvrlkoy\36c138ff = 1667779fbdaa41d997ada60ebef65493908228d76cbfd3d8363bbe9798c40505b775ee14b0462097ddc7b270bd66295b32a21a90ba3555f1afc82f3e1ae7af7df794380efab75a8d63349193b5f7fcfc4bab51bf8dcb2090063f9d3719c538	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1492 rundll32.exe
692 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1492 rundll32.exe
692 regsvr32.exe

pid	process
1492	rundll32.exe
692	regsvr32.exe

pid	process
1492	rundll32.exe
692	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1488 wrote to memory of 1492	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 1492	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 1492	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 1492	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 1492	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 1492	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 1492	1488	rundll32.exe	rundll32.exe
PID 1492 wrote to memory of 1228	1492	rundll32.exe	explorer.exe
PID 1492 wrote to memory of 1228	1492	rundll32.exe	explorer.exe
PID 1492 wrote to memory of 1228	1492	rundll32.exe	explorer.exe
PID 1492 wrote to memory of 1228	1492	rundll32.exe	explorer.exe
PID 1492 wrote to memory of 1228	1492	rundll32.exe	explorer.exe
PID 1492 wrote to memory of 1228	1492	rundll32.exe	explorer.exe
PID 1228 wrote to memory of 772	1228	explorer.exe	schtasks.exe
PID 1228 wrote to memory of 772	1228	explorer.exe	schtasks.exe
PID 1228 wrote to memory of 772	1228	explorer.exe	schtasks.exe
PID 1228 wrote to memory of 772	1228	explorer.exe	schtasks.exe
PID 848 wrote to memory of 1708	848	taskeng.exe	regsvr32.exe
PID 848 wrote to memory of 1708	848	taskeng.exe	regsvr32.exe
PID 848 wrote to memory of 1708	848	taskeng.exe	regsvr32.exe
PID 848 wrote to memory of 1708	848	taskeng.exe	regsvr32.exe
PID 848 wrote to memory of 1708	848	taskeng.exe	regsvr32.exe
PID 1708 wrote to memory of 692	1708	regsvr32.exe	regsvr32.exe
PID 1708 wrote to memory of 692	1708	regsvr32.exe	regsvr32.exe
PID 1708 wrote to memory of 692	1708	regsvr32.exe	regsvr32.exe
PID 1708 wrote to memory of 692	1708	regsvr32.exe	regsvr32.exe
PID 1708 wrote to memory of 692	1708	regsvr32.exe	regsvr32.exe
PID 1708 wrote to memory of 692	1708	regsvr32.exe	regsvr32.exe
PID 1708 wrote to memory of 692	1708	regsvr32.exe	regsvr32.exe
PID 692 wrote to memory of 1748	692	regsvr32.exe	explorer.exe
PID 692 wrote to memory of 1748	692	regsvr32.exe	explorer.exe
PID 692 wrote to memory of 1748	692	regsvr32.exe	explorer.exe
PID 692 wrote to memory of 1748	692	regsvr32.exe	explorer.exe
PID 692 wrote to memory of 1748	692	regsvr32.exe	explorer.exe
PID 692 wrote to memory of 1748	692	regsvr32.exe	explorer.exe
PID 1748 wrote to memory of 1196	1748	explorer.exe	reg.exe
PID 1748 wrote to memory of 1196	1748	explorer.exe	reg.exe
PID 1748 wrote to memory of 1196	1748	explorer.exe	reg.exe
PID 1748 wrote to memory of 1196	1748	explorer.exe	reg.exe
PID 1748 wrote to memory of 300	1748	explorer.exe	reg.exe
PID 1748 wrote to memory of 300	1748	explorer.exe	reg.exe
PID 1748 wrote to memory of 300	1748	explorer.exe	reg.exe
PID 1748 wrote to memory of 300	1748	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:1488

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:1492

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1228

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vgmhseu /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll\"" /SC ONCE /Z /ST 15:35 /ET 15:47
4⤵
- Creates scheduled task(s)
PID:772

C:\Windows\system32\taskeng.exe
taskeng.exe {4B940F59-1C23-4B76-B402-4CF33E38D661} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1708

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:692

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1748

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\Hecmawn" /d "0"
5⤵
PID:1196

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\Syqoa" /d "0"
5⤵
PID:300

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

SHA1
30e4eb355e5fae3a7a61fa135fbad369fa95c446

SHA256
ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a

SHA512
254222657ba6e9b0af5198633e7eff683adc803380144a73f16391341728b8d27648beff4a97ec91b07b7cf7a5b43d5fc7576eb6c2f5eb2a11772f7f3a9324b6

Download Submit
memory/692-80-0x0000000000230000-0x0000000000251000-memory.dmp

Filesize
132KB

Download
memory/692-79-0x0000000000460000-0x00000000004A3000-memory.dmp

Filesize
268KB

Download
memory/692-74-0x0000000000230000-0x0000000000251000-memory.dmp

Filesize
132KB

Download
memory/692-75-0x0000000000230000-0x0000000000251000-memory.dmp

Filesize
132KB

Download
memory/692-72-0x0000000000230000-0x0000000000251000-memory.dmp

Filesize
132KB

Download
memory/692-73-0x0000000000230000-0x0000000000251000-memory.dmp

Filesize
132KB

Download
memory/692-71-0x0000000000270000-0x0000000000310000-memory.dmp

Filesize
640KB

Download
memory/1228-66-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1228-65-0x0000000075031000-0x0000000075033000-memory.dmp

Filesize
8KB

Download
memory/1228-63-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/1492-55-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1492-62-0x0000000000240000-0x0000000000261000-memory.dmp

Filesize
132KB

Download
memory/1492-61-0x0000000000640000-0x0000000000683000-memory.dmp

Filesize
268KB

Download
memory/1492-60-0x0000000000240000-0x0000000000261000-memory.dmp

Filesize
132KB

Download
memory/1492-59-0x0000000000240000-0x0000000000261000-memory.dmp

Filesize
132KB

Download
memory/1492-57-0x0000000000240000-0x0000000000261000-memory.dmp

Filesize
132KB

Download
memory/1492-58-0x0000000000240000-0x0000000000261000-memory.dmp

Filesize
132KB

Download
memory/1492-56-0x00000000003E0000-0x0000000000480000-memory.dmp

Filesize
640KB

Download
memory/1708-67-0x000007FEFC371000-0x000007FEFC373000-memory.dmp

Filesize
8KB

Download
memory/1748-81-0x0000000000080000-0x00000000000A1000-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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Downloads