qakbot | bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e

General

Target

bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
Size

638KB
MD5

24ef82f586bdc329a70b7e5f440d7b2f
SHA1

09b8ee302c174fee009113c7cc73c805ba67afb9
SHA256

bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e
SHA512

94db973d1e0a8c5a78f44e1cf3b8fea3eb7544f1af95982c79a4de6da858d462681c9e6404ed6ea0d53033a448d5c415ba2c045bcfd5f26b78b77d55da7cecdd

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

1572 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

584 schtasks.exe

pid	process
1572	regsvr32.exe

pid	process
584	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\cc6b54db = 2001670f26bb00cc6edc95e0583bce753cde05851f51e5da2623b6fe4abce45f8908aab6265319b549eb788565fb50ee362b248fb9ee41bb7ddf98c3608e173ffa605acd5dc993cda936dd5d71	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\b1631b51 = 6c70b3528725197ad8efb37514327a9b5a513384cff0c85e7985385be29182f037a68275498d4507923562be3a9316e64692aaba42ecbd24edd868568efbf23da3ed69e22c585cf9669fcb27aa167ccb238fdb7891f5e3a98b7ea026c867	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\9df7c34 = 19c9c229c8a686149bf79c00b8e79680eca9c303d4a2805e27b9b5d38d3e54af702f520d0f17f1ecac49d049673f4bf31b426d8f89eac649b48345de111c8f660c96e69c8dea25	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\3c40ac7a = e6db378fe6841890dc9465b57a0df850232cebf8ea8977fc7cac8706a3f7b1c5e5251eb21c1781281c5e46747e95000218b1ef43542a984b8ff637b52e5ff6e5fd7e12524e0f7f2792656e9cf515b57d0a9f3b9819cde83176a4b3cec3a97e20b5bf0778	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\769613c2 = 9f62c11a66512a61400b133fb07416918167ef71c221583d1cb2423f70a09c63d6d2b30298168d1f7f3d79038aa9ee3f395979510f28253c3f4faabcf64ea919dab1797afa4f88e503ea1b62f9a740b4de6060836f0e974cd3d64b277a5e8bd8d53d1a29e36473c3529c8814176f52f31260b7fd713fbfc539a0e0f89bd8fe1204e4e66f4f6b601cf0528377addb24f64480f4ba550c383e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\74d733be = 7f221ab9968bb9a8ffeb604f4889d5503e52ca9e71562c1b5d936fa4aea3f567a981c15d9e7a45	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\4309c38c = f34c7feb074780e07a654bab1faa1216c436e26a8d7d9177097d34a981ad365ddd2ac2af2b81e1ce45281b63bdd66141417971bf099ef5da96928d6765f967c16bce3fc4ee477cf6f2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\ce2a74a7 = f7d4c5c95dd042902d55f66e9d4828ed9c979dbbd0e8f42b0780c784dc4beffa6516e20121f6ad73879ac38236ccde59675cd9d69fa38f16303b20ce45e1e096d43ca8da82e5841af59615927721a27e16f63d5885e7430d9f7c135c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Spcbwituyqicu\4309c38c = f34c68eb0747b570ae12841f948d381737349eb484846e94ca25caffb51a26f7f7061389bd67b71febc8bc7617a8c1de9aff4da0d9f3aea7d6dbcee85090fae961a4151244edd77d15faeb79d2f748c6f3d6e03e750224cef4f28fd56f4b	explorer.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1360	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe
1572	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1360 regsvr32.exe
1572 regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1732 wrote to memory of 1360	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 1360	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 1360	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 1360	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 1360	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 1360	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 1360	1732	regsvr32.exe	regsvr32.exe
PID 1360 wrote to memory of 672	1360	regsvr32.exe	explorer.exe
PID 1360 wrote to memory of 672	1360	regsvr32.exe	explorer.exe
PID 1360 wrote to memory of 672	1360	regsvr32.exe	explorer.exe
PID 1360 wrote to memory of 672	1360	regsvr32.exe	explorer.exe
PID 1360 wrote to memory of 672	1360	regsvr32.exe	explorer.exe
PID 1360 wrote to memory of 672	1360	regsvr32.exe	explorer.exe
PID 672 wrote to memory of 584	672	explorer.exe	schtasks.exe
PID 672 wrote to memory of 584	672	explorer.exe	schtasks.exe
PID 672 wrote to memory of 584	672	explorer.exe	schtasks.exe
PID 672 wrote to memory of 584	672	explorer.exe	schtasks.exe
PID 1808 wrote to memory of 1460	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1460	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1460	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1460	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1460	1808	taskeng.exe	regsvr32.exe
PID 1460 wrote to memory of 1572	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 1572	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 1572	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 1572	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 1572	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 1572	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 1572	1460	regsvr32.exe	regsvr32.exe
PID 1572 wrote to memory of 1900	1572	regsvr32.exe	explorer.exe
PID 1572 wrote to memory of 1900	1572	regsvr32.exe	explorer.exe
PID 1572 wrote to memory of 1900	1572	regsvr32.exe	explorer.exe
PID 1572 wrote to memory of 1900	1572	regsvr32.exe	explorer.exe
PID 1572 wrote to memory of 1900	1572	regsvr32.exe	explorer.exe
PID 1572 wrote to memory of 1900	1572	regsvr32.exe	explorer.exe
PID 1900 wrote to memory of 1744	1900	explorer.exe	reg.exe
PID 1900 wrote to memory of 1744	1900	explorer.exe	reg.exe
PID 1900 wrote to memory of 1744	1900	explorer.exe	reg.exe
PID 1900 wrote to memory of 1744	1900	explorer.exe	reg.exe
PID 1900 wrote to memory of 1304	1900	explorer.exe	reg.exe
PID 1900 wrote to memory of 1304	1900	explorer.exe	reg.exe
PID 1900 wrote to memory of 1304	1900	explorer.exe	reg.exe
PID 1900 wrote to memory of 1304	1900	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mrwqippygt /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll\"" /SC ONCE /Z /ST 17:02 /ET 17:14
4⤵
- Creates scheduled task(s)
PID:584

C:\Windows\system32\taskeng.exe
taskeng.exe {98BB9A8E-585A-4578-BF36-7D002FD7FB45} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1900

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\Uikligrd" /d "0"
5⤵
PID:1744

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\Scuyvbmwowet" /d "0"
5⤵
PID:1304

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\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
MD5
24ef82f586bdc329a70b7e5f440d7b2f

SHA1
09b8ee302c174fee009113c7cc73c805ba67afb9

SHA256
bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e

SHA512
94db973d1e0a8c5a78f44e1cf3b8fea3eb7544f1af95982c79a4de6da858d462681c9e6404ed6ea0d53033a448d5c415ba2c045bcfd5f26b78b77d55da7cecdd

Download Submit
\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll
MD5
24ef82f586bdc329a70b7e5f440d7b2f

SHA1
09b8ee302c174fee009113c7cc73c805ba67afb9

SHA256
bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e

SHA512
94db973d1e0a8c5a78f44e1cf3b8fea3eb7544f1af95982c79a4de6da858d462681c9e6404ed6ea0d53033a448d5c415ba2c045bcfd5f26b78b77d55da7cecdd

Download Submit
memory/584-67-0x0000000000000000-mapping.dmp

Download
memory/672-64-0x0000000000000000-mapping.dmp

Download
memory/672-68-0x00000000000C0000-0x00000000000E1000-memory.dmp

Filesize
132KB

Download
memory/672-66-0x00000000741F1000-0x00000000741F3000-memory.dmp

Filesize
8KB

Download
memory/672-63-0x00000000000F0000-0x00000000000F2000-memory.dmp

Filesize
8KB

Download
memory/1304-83-0x0000000000000000-mapping.dmp

Download
memory/1360-58-0x00000000003B0000-0x0000000000452000-memory.dmp

Filesize
648KB

Download
memory/1360-62-0x00000000003B0000-0x0000000000452000-memory.dmp

Filesize
648KB

Download
memory/1360-60-0x00000000008B0000-0x000000000092B000-memory.dmp

Filesize
492KB

Download
memory/1360-61-0x0000000002210000-0x0000000002390000-memory.dmp

Filesize
1.5MB

Download
memory/1360-57-0x0000000074F11000-0x0000000074F13000-memory.dmp

Filesize
8KB

Download
memory/1360-56-0x0000000000000000-mapping.dmp

Download
memory/1460-69-0x0000000000000000-mapping.dmp

Download
memory/1572-75-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/1572-72-0x0000000000000000-mapping.dmp

Download
memory/1572-77-0x0000000000C00000-0x0000000000C7B000-memory.dmp

Filesize
492KB

Download
memory/1572-84-0x0000000000DA0000-0x0000000000F20000-memory.dmp

Filesize
1.5MB

Download
memory/1572-85-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/1732-55-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

Filesize
8KB

Download
memory/1744-82-0x0000000000000000-mapping.dmp

Download
memory/1900-79-0x0000000000000000-mapping.dmp

Download
memory/1900-86-0x0000000000100000-0x0000000000121000-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