qakbot | f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3

General

Target

f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll
Size

556KB
MD5

5454995814c5c0af5b18d5e49b361d69
SHA1

83e98d7c819a56c240926f8e36534ace3b681490
SHA256

f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3
SHA512

6ab4354a76835f0f52e95f83f5d6e768e7c080f7d1f1592e2e4f7aac5bea7375ed0ad735f728d6d63e787660092c399a11b527d44d8d03a2561c797858875976

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

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\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
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

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

3936 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exe

pid process

996 rundll32.exe
996 rundll32.exe
996 rundll32.exe
996 rundll32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

996 rundll32.exe

pid	process
3936	schtasks.exe

pid	process
996	rundll32.exe
996	rundll32.exe
996	rundll32.exe
996	rundll32.exe

pid	process
996	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exe

description	pid	process	target process
PID 3116 wrote to memory of 996	3116	rundll32.exe	rundll32.exe
PID 3116 wrote to memory of 996	3116	rundll32.exe	rundll32.exe
PID 3116 wrote to memory of 996	3116	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 2288	996	rundll32.exe	explorer.exe
PID 996 wrote to memory of 2288	996	rundll32.exe	explorer.exe
PID 996 wrote to memory of 2288	996	rundll32.exe	explorer.exe
PID 996 wrote to memory of 2288	996	rundll32.exe	explorer.exe
PID 996 wrote to memory of 2288	996	rundll32.exe	explorer.exe
PID 2288 wrote to memory of 3936	2288	explorer.exe	schtasks.exe
PID 2288 wrote to memory of 3936	2288	explorer.exe	schtasks.exe
PID 2288 wrote to memory of 3936	2288	explorer.exe	schtasks.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll,#1
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ubvujxrcfl /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll\"" /SC ONCE /Z /ST 23:49 /ET 24:01
4⤵
- Creates scheduled task(s)
PID:3936

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

memory/996-2-0x0000000000000000-mapping.dmp

Download
memory/996-3-0x0000000003380000-0x0000000003381000-memory.dmp

Filesize
4KB

Download
memory/996-4-0x0000000010000000-0x0000000010035000-memory.dmp

Filesize
212KB

Download
memory/2288-5-0x0000000000000000-mapping.dmp

Download
memory/2288-7-0x00000000028E0000-0x0000000002915000-memory.dmp

Filesize
212KB

Download
memory/2288-8-0x00000000028E0000-0x0000000002915000-memory.dmp

Filesize
212KB

Download
memory/3936-6-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads