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

392 regsvr32.exe
392 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

2892 schtasks.exe

pid	process
392	regsvr32.exe
392	regsvr32.exe

pid	process
2892	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\a043d8b3 = b8319a54eefd2ee32c3d3ea22c3712d47971dd1a6acad93ec4fda61ee64802a194ad579046abf4674da7fa2298e442267c0245f9a9498db9dd0ac729b21e1f599649976cddbbda542c3a2f539c3c3956724eac760d602f4383f7dca08d48a7acac59cf	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\979d2881 = c4f05db8cdd28a4f4e5d91ac6751d2a561a6225b1ff3a7432066076ef791832e73d9151fc4f49242e5e08beb2e39b73a8a17fe38f8d14cc472b6d388b70fc2fc36	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\2f214fe4 = 4153c517bee65a5aa0973abd0d7f471738da58c043586204c9a56c865a6c05044905beaa7773aad036	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\95dc08fd = 94162bad2a0c8114ff0555f65c8f81e7004d1b321d9502c3335374673e802924e0f1a29cc6794269ca68d2ee12a3a9c74c6dbede07856190c6d2bb4f45ae91fbdb517b1d6f0ac6714cd861350e134d82106e428ded2b270ac2f608d9bc0a9dae7e4b9db0a92ec48d1e28661e58129d3369afc9ab56d2d01baaf467ccceeed7126abf6b85b2e08ba342d3cdc8e6ab67fc1fe0a55befc9fd71e176ecc3c9520cf2a9c8cdc18172038578a1594a797458199da78ede8e3ed3dd07e25c98c1e39b7e54ee	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\5229006e = 4f6978ec1ab082d58f1f0276b43f6426a31082abcf29f47d4fc4c39bc38a0160cc7a1c97d697973e5609dba97f52da0ac4	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\ea95670b = 1a5740545244d68c9d518fb5c2bf4a4780	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\2d606f98 = 0d4c8e18224585d9f32175c3880ea1e04708d1a0d80e8283f2aa670d57e9	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\df0ab745 = 895f711e1fba444e48fe4fabc26e27bcb41ef5913d3d9f157162d9a675d84c88a6e80a1b80eda47d0c7f07037861908bc50aa1dd132c4d66	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jdvgdpidque\a043d8b3 = b8318d54eefd1b210b454dad003bbd2ce7d9605a3ea43f281c27ba64c8ffc4a15225895849cb68cacb609b794bc4f7d61805023f96a445a509659b3bbbbc9da24d6fceab740e137d7b35cbaf5da78dc3105ec4a45b74d1cf257427fd4c7ec58be49ea16767e884dce2f4c58f551366df3cf6588113201ce7	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
3064	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe
392	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3064 regsvr32.exe
392 regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 2720 wrote to memory of 3064	2720	regsvr32.exe	regsvr32.exe
PID 2720 wrote to memory of 3064	2720	regsvr32.exe	regsvr32.exe
PID 2720 wrote to memory of 3064	2720	regsvr32.exe	regsvr32.exe
PID 3064 wrote to memory of 3424	3064	regsvr32.exe	explorer.exe
PID 3064 wrote to memory of 3424	3064	regsvr32.exe	explorer.exe
PID 3064 wrote to memory of 3424	3064	regsvr32.exe	explorer.exe
PID 3064 wrote to memory of 3424	3064	regsvr32.exe	explorer.exe
PID 3064 wrote to memory of 3424	3064	regsvr32.exe	explorer.exe
PID 3424 wrote to memory of 2892	3424	explorer.exe	schtasks.exe
PID 3424 wrote to memory of 2892	3424	explorer.exe	schtasks.exe
PID 3424 wrote to memory of 2892	3424	explorer.exe	schtasks.exe
PID 600 wrote to memory of 392	600	regsvr32.exe	regsvr32.exe
PID 600 wrote to memory of 392	600	regsvr32.exe	regsvr32.exe
PID 600 wrote to memory of 392	600	regsvr32.exe	regsvr32.exe
PID 392 wrote to memory of 2608	392	regsvr32.exe	explorer.exe
PID 392 wrote to memory of 2608	392	regsvr32.exe	explorer.exe
PID 392 wrote to memory of 2608	392	regsvr32.exe	explorer.exe
PID 392 wrote to memory of 2608	392	regsvr32.exe	explorer.exe
PID 392 wrote to memory of 2608	392	regsvr32.exe	explorer.exe
PID 2608 wrote to memory of 2936	2608	explorer.exe	reg.exe
PID 2608 wrote to memory of 2936	2608	explorer.exe	reg.exe
PID 2608 wrote to memory of 3940	2608	explorer.exe	reg.exe
PID 2608 wrote to memory of 3940	2608	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:2720

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:3064

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3424

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fkwzyzlf /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll\"" /SC ONCE /Z /ST 19:03 /ET 19:15
4⤵
- Creates scheduled task(s)
PID:2892

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:600

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:392

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2608

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\Eqygvvl" /d "0"
4⤵
PID:2936

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\Sspnepvlya" /d "0"
4⤵
PID:3940

Network

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

SHA1
09b8ee302c174fee009113c7cc73c805ba67afb9

SHA256
bd326df1aeb5bbd09ca3cb74f237279a0a0e49be3cc7fd908263eef96b133b6e

SHA512
94db973d1e0a8c5a78f44e1cf3b8fea3eb7544f1af95982c79a4de6da858d462681c9e6404ed6ea0d53033a448d5c415ba2c045bcfd5f26b78b77d55da7cecdd

Download Submit
memory/392-130-0x0000000003240000-0x00000000033CE000-memory.dmp

Filesize
1.6MB

Download
memory/392-129-0x0000000003080000-0x00000000030FB000-memory.dmp

Filesize
492KB

Download
memory/392-124-0x0000000000000000-mapping.dmp

Download
memory/392-131-0x0000000002F90000-0x0000000003032000-memory.dmp

Filesize
648KB

Download
memory/392-127-0x0000000002F90000-0x0000000003032000-memory.dmp

Filesize
648KB

Download
memory/2608-137-0x0000000000A50000-0x0000000000A71000-memory.dmp

Filesize
132KB

Download
memory/2608-135-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/2608-136-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/2608-132-0x0000000000000000-mapping.dmp

Download
memory/2892-119-0x0000000000000000-mapping.dmp

Download
memory/2936-133-0x0000000000000000-mapping.dmp

Download
memory/3064-116-0x0000000004820000-0x00000000049AE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-114-0x0000000000000000-mapping.dmp

Download
memory/3064-115-0x00000000047A0000-0x000000000481B000-memory.dmp

Filesize
492KB

Download
memory/3064-117-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/3424-118-0x0000000000000000-mapping.dmp

Download
memory/3424-122-0x0000000000490000-0x00000000004B1000-memory.dmp

Filesize
132KB

Download
memory/3424-121-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3424-120-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3940-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads