qakbot | 6ee4d0b3b4a397af8a6539b7f8d5a716de264bbed26c54ad6e7f9537468cf8cc

Analysis

max time kernel
129s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
02-05-2021 01:36

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General

Target

k.exe.dll
Size

460KB
MD5

4ca59ce1eaccde2a28f140a0ebe33206
SHA1

a2fe1117858eaeb990eec0d9202f0c0f1116f6d4
SHA256

6ee4d0b3b4a397af8a6539b7f8d5a716de264bbed26c54ad6e7f9537468cf8cc
SHA512

da43002d976e7c5dcd88fbd9d5aa964578e31fb4ff441907e395d271054edf97d95b7d00289dd158e2630830714d994bcd43865b26f33d294165be7f4b7808e4

Score

10^/10

qakbot tr 1618935072 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

Campaign

1618935072

140.82.49.12:443

190.85.91.154:443

96.37.113.36:993

71.41.184.10:3389

186.31.46.121:443

73.25.124.140:2222

109.12.111.14:443

24.229.150.54:995

45.32.211.207:443

45.77.117.108:443

45.77.117.108:8443

149.28.98.196:443

149.28.98.196:2222

144.202.38.185:443

144.202.38.185:995

45.32.211.207:995

207.246.116.237:995

149.28.99.97:995

45.63.107.192:2222

149.28.101.90:995

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot

Loads dropped DLL 1 IoCs

pid	Process
808	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

pid	Process
1092	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1544	rundll32.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1544	rundll32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1544	2004	rundll32.exe	25
PID 2004 wrote to memory of 1544	2004	rundll32.exe	25
PID 2004 wrote to memory of 1544	2004	rundll32.exe	25
PID 2004 wrote to memory of 1544	2004	rundll32.exe	25
PID 2004 wrote to memory of 1544	2004	rundll32.exe	25
PID 2004 wrote to memory of 1544	2004	rundll32.exe	25
PID 2004 wrote to memory of 1544	2004	rundll32.exe	25
PID 1544 wrote to memory of 1072	1544	rundll32.exe	30
PID 1544 wrote to memory of 1072	1544	rundll32.exe	30
PID 1544 wrote to memory of 1072	1544	rundll32.exe	30
PID 1544 wrote to memory of 1072	1544	rundll32.exe	30
PID 1544 wrote to memory of 1072	1544	rundll32.exe	30
PID 1544 wrote to memory of 1072	1544	rundll32.exe	30
PID 1072 wrote to memory of 1092	1072	explorer.exe	31
PID 1072 wrote to memory of 1092	1072	explorer.exe	31
PID 1072 wrote to memory of 1092	1072	explorer.exe	31
PID 1072 wrote to memory of 1092	1072	explorer.exe	31
PID 560 wrote to memory of 384	560	taskeng.exe	34
PID 560 wrote to memory of 384	560	taskeng.exe	34
PID 560 wrote to memory of 384	560	taskeng.exe	34
PID 560 wrote to memory of 384	560	taskeng.exe	34
PID 560 wrote to memory of 384	560	taskeng.exe	34
PID 384 wrote to memory of 808	384	regsvr32.exe	35
PID 384 wrote to memory of 808	384	regsvr32.exe	35
PID 384 wrote to memory of 808	384	regsvr32.exe	35
PID 384 wrote to memory of 808	384	regsvr32.exe	35
PID 384 wrote to memory of 808	384	regsvr32.exe	35
PID 384 wrote to memory of 808	384	regsvr32.exe	35
PID 384 wrote to memory of 808	384	regsvr32.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\k.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\k.exe.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vcjscfpqk /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\k.exe.dll\"" /SC ONCE /Z /ST 01:34 /ET 01:46
      4⤵
      Creates scheduled task(s)
      PID:1092

C:\Windows\system32\taskeng.exe
taskeng.exe {8B3F59F3-A4CD-4B47-BD74-CF982D313E7A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:560
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\k.exe.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\k.exe.dll"
    3⤵
    - Loads dropped DLL
    PID:808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/384-68-0x0000000000000000-mapping.dmp

Download
memory/384-69-0x000007FEFC411000-0x000007FEFC413000-memory.dmp

Filesize
8KB

Download
memory/808-71-0x0000000000000000-mapping.dmp

Download
memory/1072-63-0x0000000000000000-mapping.dmp

Download
memory/1072-65-0x0000000075261000-0x0000000075263000-memory.dmp

Filesize
8KB

Download
memory/1072-67-0x00000000000C0000-0x00000000000F9000-memory.dmp

Filesize
228KB

Download
memory/1092-66-0x0000000000000000-mapping.dmp

Download
memory/1544-59-0x0000000000000000-mapping.dmp

Download
memory/1544-62-0x0000000010000000-0x0000000010079000-memory.dmp

Filesize
484KB

Download
memory/1544-61-0x0000000000790000-0x0000000000803000-memory.dmp

Filesize
460KB

Download
memory/1544-60-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download