qakbot | 9c9b8748f93a571ce28ec55ca83af483e7fa51607c9cc740e4cf8145796a3f62

General

Target

logqbag4.dll
Size

1.4MB
MD5

ce561c0d38f7da5ecb66855aba561818
SHA1

f94e8e63c3ad49ccc4b9440b7f10bb0868e8cbaf
SHA256

9c9b8748f93a571ce28ec55ca83af483e7fa51607c9cc740e4cf8145796a3f62
SHA512

0093507677acce5b2daf8b1feaba583430957b483b5d9c92dc0f667e0af929acf0d4b4c8c4438770f9982c52e6cceeaee2375742e70fff061cc330a3e77a5905

Score

10^/10

qakbot krk01 1611569149 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Botnet

krk01

Campaign

1611569149

C2

31.5.21.66:995

89.3.198.238:443

202.188.138.162:443

188.24.128.253:443

175.141.219.71:443

151.60.15.183:443

184.189.122.72:443

80.227.5.70:443

140.82.49.12:443

89.211.241.100:995

81.97.154.100:443

77.27.174.49:995

92.154.83.96:2078

42.3.8.54:443

71.187.170.235:443

46.153.36.53:995

71.182.142.63:443

105.186.102.16:443

50.244.112.106:443

78.63.226.32:443

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3704 regsvr32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3920 3704 WerFault.exe regsvr32.exe

pid	process
3704	regsvr32.exe

pid	pid_target	process	target process
3920	3704	WerFault.exe	regsvr32.exe

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	rundll32.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

1308 schtasks.exe

pid	process
1308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

rundll32.exeWerFault.exe

pid	process
684	rundll32.exe
684	rundll32.exe
684	rundll32.exe
684	rundll32.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

684 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3920 WerFault.exe
Token: SeBackupPrivilege 3920 WerFault.exe
Token: SeDebugPrivilege 3920 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3920	WerFault.exe
Token: SeBackupPrivilege	3920	WerFault.exe
Token: SeDebugPrivilege	3920	WerFault.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exeregsvr32.exe

description	pid	process	target process
PID 636 wrote to memory of 684	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 684	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 684	636	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 2984	684	rundll32.exe	explorer.exe
PID 684 wrote to memory of 2984	684	rundll32.exe	explorer.exe
PID 684 wrote to memory of 2984	684	rundll32.exe	explorer.exe
PID 684 wrote to memory of 2984	684	rundll32.exe	explorer.exe
PID 684 wrote to memory of 2984	684	rundll32.exe	explorer.exe
PID 2984 wrote to memory of 1308	2984	explorer.exe	schtasks.exe
PID 2984 wrote to memory of 1308	2984	explorer.exe	schtasks.exe
PID 2984 wrote to memory of 1308	2984	explorer.exe	schtasks.exe
PID 1592 wrote to memory of 3704	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 3704	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 3704	1592	regsvr32.exe	regsvr32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\logqbag4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\logqbag4.dll,#1
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:684

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2984

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pprwdpqt /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\logqbag4.dll\"" /SC ONCE /Z /ST 16:44 /ET 16:56
4⤵
- Creates scheduled task(s)
PID:1308

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\logqbag4.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\logqbag4.dll"
2⤵
- Loads dropped DLL
PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 596
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3920

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

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\logqbag4.dll
MD5
c8e82fdb6fc9ceb03e9d75d8f1e6da35

SHA1
ac49bbc49db53440a1b3a2366389b18545c9285d

SHA256
aca1bb2539c33e258322a92812d4641929bfb919f1995c0034c5965fd2a68563

SHA512
1065cdf097ca88b1ef70006ed7dc901924e1da1444b2c502fa39a8506e1c305fddd9d8bedf64f1771199db12b6aacd401f9c46d6022e97d4f49a22dc42cc0060

Download Submit
\Users\Admin\AppData\Local\Temp\logqbag4.dll
MD5
c8e82fdb6fc9ceb03e9d75d8f1e6da35

SHA1
ac49bbc49db53440a1b3a2366389b18545c9285d

SHA256
aca1bb2539c33e258322a92812d4641929bfb919f1995c0034c5965fd2a68563

SHA512
1065cdf097ca88b1ef70006ed7dc901924e1da1444b2c502fa39a8506e1c305fddd9d8bedf64f1771199db12b6aacd401f9c46d6022e97d4f49a22dc42cc0060

Download Submit
memory/684-2-0x0000000000000000-mapping.dmp

Download
memory/684-3-0x0000000074290000-0x00000000742C5000-memory.dmp

Filesize
212KB

Download
memory/684-4-0x00000000031C0000-0x00000000031C1000-memory.dmp

Filesize
4KB

Download
memory/1308-6-0x0000000000000000-mapping.dmp

Download
memory/2984-5-0x0000000000000000-mapping.dmp

Download
memory/2984-7-0x0000000002DB0000-0x0000000002DE5000-memory.dmp

Filesize
212KB

Download
memory/2984-8-0x0000000002DB0000-0x0000000002DE5000-memory.dmp

Filesize
212KB

Download
memory/3704-10-0x0000000000000000-mapping.dmp

Download
memory/3920-12-0x0000000003500000-0x0000000003501000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads