qakbot | c5db8f1fd3c0c9e620a614cca194af7f1c1066c30e1cd79a948e039b644db0f6

Analysis

max time kernel
136s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
13-04-2021 14:08

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General

Target

qbot_brrr.dat.dll
Size

1.4MB
MD5

58c2d8657b4b23755ab2572f2e85df1e
SHA1

276869c5e9d8070dc30204bd12b87125031ffc98
SHA256

c5db8f1fd3c0c9e620a614cca194af7f1c1066c30e1cd79a948e039b644db0f6
SHA512

4569dd29f4896038ab1576358a7bace10766d8604a64470dd98eaf733d95ab7e2ee5349186f2130e3f13619f3b3c76b373dc77025d8423309d3a6cda0600b2e6

Score

10^/10

qakbot obama27 1618239848 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Botnet

obama27

Campaign

1618239848

193.248.221.184:2222

96.61.23.88:995

75.67.192.125:443

78.63.226.32:443

186.28.181.226:443

45.46.53.140:2222

190.85.91.154:443

105.198.236.101:443

136.232.34.70:443

140.82.49.12:443

197.45.110.165:995

216.201.162.158:443

189.210.115.207:443

149.28.101.90:2222

45.63.107.192:2222

45.32.211.207:443

45.32.211.207:995

45.32.211.207:8443

45.32.211.207:2222

149.28.98.196:443

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
652	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
752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2036	rundll32.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2036	rundll32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 2036	1084	rundll32.exe	25
PID 1084 wrote to memory of 2036	1084	rundll32.exe	25
PID 1084 wrote to memory of 2036	1084	rundll32.exe	25
PID 1084 wrote to memory of 2036	1084	rundll32.exe	25
PID 1084 wrote to memory of 2036	1084	rundll32.exe	25
PID 1084 wrote to memory of 2036	1084	rundll32.exe	25
PID 1084 wrote to memory of 2036	1084	rundll32.exe	25
PID 2036 wrote to memory of 1576	2036	rundll32.exe	30
PID 2036 wrote to memory of 1576	2036	rundll32.exe	30
PID 2036 wrote to memory of 1576	2036	rundll32.exe	30
PID 2036 wrote to memory of 1576	2036	rundll32.exe	30
PID 2036 wrote to memory of 1576	2036	rundll32.exe	30
PID 2036 wrote to memory of 1576	2036	rundll32.exe	30
PID 1576 wrote to memory of 752	1576	explorer.exe	31
PID 1576 wrote to memory of 752	1576	explorer.exe	31
PID 1576 wrote to memory of 752	1576	explorer.exe	31
PID 1576 wrote to memory of 752	1576	explorer.exe	31
PID 620 wrote to memory of 932	620	taskeng.exe	34
PID 620 wrote to memory of 932	620	taskeng.exe	34
PID 620 wrote to memory of 932	620	taskeng.exe	34
PID 620 wrote to memory of 932	620	taskeng.exe	34
PID 620 wrote to memory of 932	620	taskeng.exe	34
PID 932 wrote to memory of 652	932	regsvr32.exe	35
PID 932 wrote to memory of 652	932	regsvr32.exe	35
PID 932 wrote to memory of 652	932	regsvr32.exe	35
PID 932 wrote to memory of 652	932	regsvr32.exe	35
PID 932 wrote to memory of 652	932	regsvr32.exe	35
PID 932 wrote to memory of 652	932	regsvr32.exe	35
PID 932 wrote to memory of 652	932	regsvr32.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qbot_brrr.dat.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\qbot_brrr.dat.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1576
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn publgwp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\qbot_brrr.dat.dll\"" /SC ONCE /Z /ST 14:14 /ET 14:26
      4⤵
      Creates scheduled task(s)
      PID:752

C:\Windows\system32\taskeng.exe
taskeng.exe {0B559A7C-D903-439F-8C09-FAFCD1BC0FE2} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\qbot_brrr.dat.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:932
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\qbot_brrr.dat.dll"
    3⤵
    - Loads dropped DLL
    PID:652

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/932-71-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

Filesize
8KB

Download
memory/1576-69-0x0000000000080000-0x0000000000099000-memory.dmp

Filesize
100KB

Download
memory/1576-67-0x0000000074991000-0x0000000074993000-memory.dmp

Filesize
8KB

Download
memory/2036-64-0x0000000000240000-0x0000000000259000-memory.dmp

Filesize
100KB

Download
memory/2036-63-0x0000000000140000-0x000000000016D000-memory.dmp

Filesize
180KB

Download
memory/2036-62-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/2036-61-0x0000000000A80000-0x0000000000BEC000-memory.dmp

Filesize
1.4MB

Download
memory/2036-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download