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 2 IoCs

Processes:

regsvr32.exe

pid process

4264 regsvr32.exe
4264 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

4048 schtasks.exe

pid	process
4264	regsvr32.exe
4264	regsvr32.exe

pid	process
4048	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\55e669b7 = d1b8f63e22c924c4b2d86150817f7c4636f2e4e7fcd07208a558a8e398beef2ad6ede3fe0ac05695843701d5454ba3e3e059ff7d83a3b3c47d2d822a38a55adf6f4ce9bd7ecf5aee9b08567274393d522c7085a8899fc3ebed7f06066bdb67083ca51a3dd3253622b46480146db2d7309e13d730bd79	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\57a749cb = 811eceb3d726d52f21b16f63f6aa95478de86fa43d39a9785baa71a326b4baadcbed660d5d48bc7a4634a74dff01f78717dddc9600c661	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\1f30d60f = ce6d83537eea864c9fcb8071eb6278ee6c1c82254a1fa128ea30b86d90fac76b0bba828a104ba860eeace697cdd8cfb009a4ae9cf2e61330032ddf7ac27fb0f47165e2834ed271	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\6079b9f9 = 61d3395900d9723313ac2ec563c311d4e4d6cc7fb60fd74db455f97e6e1b679e600273a854f194d6718ba853ff4585aebb3d407d60750830434ec728c7ec64f869d7e71440f83467a475386c4396facb2294	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\6079b9f9 = 61d32e5900d947c3a6118c47f4fdeaec2bbfd79128a0c8cb56514c61e2674cb97ee0c85443f26bf252ec3ea32d5b7943ad22ef05b4f479a00b7a4cee5d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\ef1b2eae = d96e148ea353775c62c457324e2c206fde6f138c2bf10831dcb34679fe66f85f47176ae3e0541640d4d15dfdaeac9ef718b68b4941818cf82166af1d151f126bcb4d8ad495860b0260a25dd41d336aec36f5401150e14e66a19c451149f5ed	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\92136124 = 727cce8398c93bb08a5c93fd190a0315ce003cdecc2bb00a8bc071e86e31e9e3ddc1f3ad0bf9b9279e0408e8b1f7	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\2aaf0641 = 1643b8d036a24e66e4305807e8d951b43ff133b035362094b674313f291721bea15bda77	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dlkwiyg\ed5a0ed2 = 8c17cd456e3f6c0cb8fac1f226002614b2c1ccfca177e87662c1375240a4182ba15fc37a647bd659675fccc70876814a46	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
3612	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe
4264	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3612 regsvr32.exe
4264 regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 3716 wrote to memory of 3612	3716	regsvr32.exe	regsvr32.exe
PID 3716 wrote to memory of 3612	3716	regsvr32.exe	regsvr32.exe
PID 3716 wrote to memory of 3612	3716	regsvr32.exe	regsvr32.exe
PID 3612 wrote to memory of 4032	3612	regsvr32.exe	explorer.exe
PID 3612 wrote to memory of 4032	3612	regsvr32.exe	explorer.exe
PID 3612 wrote to memory of 4032	3612	regsvr32.exe	explorer.exe
PID 3612 wrote to memory of 4032	3612	regsvr32.exe	explorer.exe
PID 3612 wrote to memory of 4032	3612	regsvr32.exe	explorer.exe
PID 4032 wrote to memory of 4048	4032	explorer.exe	schtasks.exe
PID 4032 wrote to memory of 4048	4032	explorer.exe	schtasks.exe
PID 4032 wrote to memory of 4048	4032	explorer.exe	schtasks.exe
PID 2904 wrote to memory of 4264	2904	regsvr32.exe	regsvr32.exe
PID 2904 wrote to memory of 4264	2904	regsvr32.exe	regsvr32.exe
PID 2904 wrote to memory of 4264	2904	regsvr32.exe	regsvr32.exe
PID 4264 wrote to memory of 676	4264	regsvr32.exe	explorer.exe
PID 4264 wrote to memory of 676	4264	regsvr32.exe	explorer.exe
PID 4264 wrote to memory of 676	4264	regsvr32.exe	explorer.exe
PID 4264 wrote to memory of 676	4264	regsvr32.exe	explorer.exe
PID 4264 wrote to memory of 676	4264	regsvr32.exe	explorer.exe
PID 676 wrote to memory of 1020	676	explorer.exe	reg.exe
PID 676 wrote to memory of 1020	676	explorer.exe	reg.exe
PID 676 wrote to memory of 1080	676	explorer.exe	reg.exe
PID 676 wrote to memory of 1080	676	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:3716

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:3612

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tseifrjl /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll\"" /SC ONCE /Z /ST 16:02 /ET 16:14
4⤵
- Creates scheduled task(s)
PID:4048

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2904

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4264

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:676

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\Ydclojyigd" /d "0"
4⤵
PID:1020

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\Uejxuiowuiup" /d "0"
4⤵
PID:1080

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
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\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/676-133-0x0000000000000000-mapping.dmp

Download
memory/676-139-0x0000000003000000-0x0000000003021000-memory.dmp

Filesize
132KB

Download
memory/676-137-0x00000000037D0000-0x00000000037D1000-memory.dmp

Filesize
4KB

Download
memory/676-138-0x00000000037D0000-0x00000000037D1000-memory.dmp

Filesize
4KB

Download
memory/1020-135-0x0000000000000000-mapping.dmp

Download
memory/1080-136-0x0000000000000000-mapping.dmp

Download
memory/3612-118-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/3612-115-0x0000000000000000-mapping.dmp

Download
memory/3612-117-0x0000000004AC0000-0x0000000004C4E000-memory.dmp

Filesize
1.6MB

Download
memory/3612-116-0x0000000004A40000-0x0000000004ABB000-memory.dmp

Filesize
492KB

Download
memory/4032-119-0x0000000000000000-mapping.dmp

Download
memory/4032-121-0x0000000002D70000-0x0000000002D71000-memory.dmp

Filesize
4KB

Download
memory/4032-122-0x0000000002D70000-0x0000000002D71000-memory.dmp

Filesize
4KB

Download
memory/4032-123-0x0000000002780000-0x00000000027A1000-memory.dmp

Filesize
132KB

Download
memory/4048-120-0x0000000000000000-mapping.dmp

Download
memory/4264-130-0x0000000002E70000-0x0000000002EEB000-memory.dmp

Filesize
492KB

Download
memory/4264-125-0x0000000000000000-mapping.dmp

Download
memory/4264-131-0x0000000002EF0000-0x000000000307E000-memory.dmp

Filesize
1.6MB

Download
memory/4264-132-0x0000000002B80000-0x0000000002C22000-memory.dmp

Filesize
648KB

Download
memory/4264-128-0x0000000002B80000-0x0000000002C22000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads