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

1556 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

1444 schtasks.exe

pid	process
1556	regsvr32.exe

pid	process
1444	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\c187cd71 = 2f2b895e678f150bfb7ec4ed7506de9dee59cff5f2de99eb7e7536ae9bed3f2525257b121d156553f7af6b75eb4b571fb5d6a376b5eff4832a9bcdb40bb33abd30a916fb69a9903f59835a36de86696acc505cd0f466920cffc636990a941ac39f0cc2ade309732f0b4c02763884d8b7	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\33ed15ac = 5fcb290698f21f26be7a1b1a5a509c9898ceb51e60cc071afcbe3b862d772d801fbd98d9fad922b47c70c6e329f3ac74ba2db800f9e23c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\c3c6ed0d = 90069805bd283280a0e7eff001f10574c1c35f2600879b5a8ed080d62b5e4eec2bc678dbd4978b4a114a75361b74299378b843376f850a96fdd8f350a7631ebb345e277a7d22f3785f5dd87b63eb26b86c99022293afad7acec933b45c781de4cc28	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\672c5e2 = e54c5645c4ab027901ae74591e461eab4699f9e04973fb6f886077ac46c6725f66fbc164ab7ec50bfc7e20c67a2f5e01932cc5b8c686ebded9	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\793baa14 = 0f959641c2f528e030042c83e37cf08507dd04cf74764c4f928f5ec3553ec5fda4d5547ebc78950e5c6b6bf5508fd0bd0f1c20b654a2a358d4364e96ce6b0971dd10fff480d09540db793ccb35647b7d11a7c849249ae2f7a6430edca7f2f36959a9e02646761c02bd9b85a33e5f754c72cdc11e4e89243bbdc269d83092cef21e9912e2eb7dda9e19ce	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\7b7a8a68 = 2809f022333a98f231f4d2e7a21b307eb146fb10e6fa9f6d1fdd36d306dbec7f51c2d5b0b22b1d4f8b6c49f4534c82f9b385477f6cfc50a4c27d2988328f5d8f73aa170aa21c647162b47777a19705cd0e615a16846c141a804972f1adda863cc40f14bc6e52c9c9	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\becea287 = 0224c7d181ec9c517b9475cca11d052b99b2d3754dd0000d7c67496c242448dda7208d1a4b191e45204cf078bfa38809314a6d3d48650466d115217d77989b5f11a9fe13133bc3e3780547aaa8f1497ecf4d415dd991fcd4a4ed76225002	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\4ca47a5a = 144e879d8bedbf8173244c88ceb51ab4c143f66fd3e6f039ee625472f272b024cb4703489989056513f36b98326bf4a46dd74da9005520fd285c	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aievuydgm\4ca47a5a = 144e909d8bed8a62265236f3314cff3ee756f23a71a8ad95a598186d009a4b673681499bf6	explorer.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1772	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe
1556	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1772 regsvr32.exe
1556 regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 960 wrote to memory of 1772	960	regsvr32.exe	regsvr32.exe
PID 960 wrote to memory of 1772	960	regsvr32.exe	regsvr32.exe
PID 960 wrote to memory of 1772	960	regsvr32.exe	regsvr32.exe
PID 960 wrote to memory of 1772	960	regsvr32.exe	regsvr32.exe
PID 960 wrote to memory of 1772	960	regsvr32.exe	regsvr32.exe
PID 960 wrote to memory of 1772	960	regsvr32.exe	regsvr32.exe
PID 960 wrote to memory of 1772	960	regsvr32.exe	regsvr32.exe
PID 1772 wrote to memory of 800	1772	regsvr32.exe	explorer.exe
PID 1772 wrote to memory of 800	1772	regsvr32.exe	explorer.exe
PID 1772 wrote to memory of 800	1772	regsvr32.exe	explorer.exe
PID 1772 wrote to memory of 800	1772	regsvr32.exe	explorer.exe
PID 1772 wrote to memory of 800	1772	regsvr32.exe	explorer.exe
PID 1772 wrote to memory of 800	1772	regsvr32.exe	explorer.exe
PID 800 wrote to memory of 1444	800	explorer.exe	schtasks.exe
PID 800 wrote to memory of 1444	800	explorer.exe	schtasks.exe
PID 800 wrote to memory of 1444	800	explorer.exe	schtasks.exe
PID 800 wrote to memory of 1444	800	explorer.exe	schtasks.exe
PID 1468 wrote to memory of 1184	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 1184	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 1184	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 1184	1468	taskeng.exe	regsvr32.exe
PID 1468 wrote to memory of 1184	1468	taskeng.exe	regsvr32.exe
PID 1184 wrote to memory of 1556	1184	regsvr32.exe	regsvr32.exe
PID 1184 wrote to memory of 1556	1184	regsvr32.exe	regsvr32.exe
PID 1184 wrote to memory of 1556	1184	regsvr32.exe	regsvr32.exe
PID 1184 wrote to memory of 1556	1184	regsvr32.exe	regsvr32.exe
PID 1184 wrote to memory of 1556	1184	regsvr32.exe	regsvr32.exe
PID 1184 wrote to memory of 1556	1184	regsvr32.exe	regsvr32.exe
PID 1184 wrote to memory of 1556	1184	regsvr32.exe	regsvr32.exe
PID 1556 wrote to memory of 1908	1556	regsvr32.exe	explorer.exe
PID 1556 wrote to memory of 1908	1556	regsvr32.exe	explorer.exe
PID 1556 wrote to memory of 1908	1556	regsvr32.exe	explorer.exe
PID 1556 wrote to memory of 1908	1556	regsvr32.exe	explorer.exe
PID 1556 wrote to memory of 1908	1556	regsvr32.exe	explorer.exe
PID 1556 wrote to memory of 1908	1556	regsvr32.exe	explorer.exe
PID 1908 wrote to memory of 1000	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1000	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1000	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1000	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1096	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1096	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1096	1908	explorer.exe	reg.exe
PID 1908 wrote to memory of 1096	1908	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:960

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:1772

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xjgtfuchhs /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll\"" /SC ONCE /Z /ST 05:02 /ET 05:14
4⤵
- Creates scheduled task(s)
PID:1444

C:\Windows\system32\taskeng.exe
taskeng.exe {E70B9244-198F-4595-82F3-FE112202FD00} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1184

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:1556

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1908

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\Whneiae" /d "0"
5⤵
PID:1000

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\Wixaxvloyybt" /d "0"
5⤵
PID:1096

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
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

SHA1
fdc0db26a493a618628468371d90c9693ce1cafb

SHA256
f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372

SHA512
a371041f26389fcb9137276115103564e39685d94c4d28da4f779fe689627cceebd415788e406d83ca145208e6a432815d4d597eab1d883609b4cd96a8322a3a

Download Submit
memory/800-62-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/800-63-0x0000000000000000-mapping.dmp

Download
memory/800-65-0x0000000074621000-0x0000000074623000-memory.dmp

Filesize
8KB

Download
memory/800-67-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/960-54-0x000007FEFBC31000-0x000007FEFBC33000-memory.dmp

Filesize
8KB

Download
memory/1000-84-0x0000000000000000-mapping.dmp

Download
memory/1096-85-0x0000000000000000-mapping.dmp

Download
memory/1184-68-0x0000000000000000-mapping.dmp

Download
memory/1444-66-0x0000000000000000-mapping.dmp

Download
memory/1556-76-0x0000000000C10000-0x0000000000C8B000-memory.dmp

Filesize
492KB

Download
memory/1556-71-0x0000000000000000-mapping.dmp

Download
memory/1556-74-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/1556-77-0x0000000000C90000-0x0000000000E10000-memory.dmp

Filesize
1.5MB

Download
memory/1556-78-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/1772-61-0x0000000000310000-0x0000000000390000-memory.dmp

Filesize
512KB

Download
memory/1772-60-0x0000000002180000-0x0000000002300000-memory.dmp

Filesize
1.5MB

Download
memory/1772-59-0x0000000000BD0000-0x0000000000C4B000-memory.dmp

Filesize
492KB

Download
memory/1772-57-0x0000000000310000-0x0000000000390000-memory.dmp

Filesize
512KB

Download
memory/1772-56-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1772-55-0x0000000000000000-mapping.dmp

Download
memory/1908-80-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads