qakbot | 24753d9f0d691b6d582da3e301b98f75abbdb5382bb871ee00713c5029c56d44

Resubmissions

25/03/2025, 12:37

250325-ptkmpawvbx 10

Analysis

max time kernel
259s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 12:37

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General

Target

mrch.dll
Size

424KB
MD5

97e6abcad2140619ff150d6253f62b8f
SHA1

0762a2db618f5dcc403139b671222aecb7c4aaf1
SHA256

24753d9f0d691b6d582da3e301b98f75abbdb5382bb871ee00713c5029c56d44
SHA512

54d55de10d22086a0d77cad5b833ceee0b1bcd62062e56c0af5deaa64b0bbc84f45ac47905b833967b611a3e41eeb7f5ccc437619648cf69f8f1f04d50faaf08
SSDEEP

12288:KkZ/sipQ3KT8K9t+ZKcDUmpgC4S62dhL/Vy:Kkto1A0RtVy

Score

10^/10

qakbot tr 1614598087 banker discovery stealer trojan

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

Campaign

1614598087

24.95.61.62:443

89.3.198.238:443

196.151.252.84:443

90.65.236.181:2222

2.232.253.79:995

217.133.54.140:32100

195.43.173.70:443

84.247.55.190:8443

136.232.34.70:443

45.63.107.192:443

45.77.115.208:443

149.28.98.196:995

45.32.211.207:8443

149.28.98.196:443

149.28.99.97:443

45.63.107.192:2222

207.246.77.75:443

207.246.77.75:8443

45.77.117.108:443

45.32.211.207:995

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
964	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2748	regsvr32.exe
2748	regsvr32.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2748	regsvr32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2748	2484	regsvr32.exe	30
PID 2484 wrote to memory of 2748	2484	regsvr32.exe	30
PID 2484 wrote to memory of 2748	2484	regsvr32.exe	30
PID 2484 wrote to memory of 2748	2484	regsvr32.exe	30
PID 2484 wrote to memory of 2748	2484	regsvr32.exe	30
PID 2484 wrote to memory of 2748	2484	regsvr32.exe	30
PID 2484 wrote to memory of 2748	2484	regsvr32.exe	30
PID 2748 wrote to memory of 2892	2748	regsvr32.exe	31
PID 2748 wrote to memory of 2892	2748	regsvr32.exe	31
PID 2748 wrote to memory of 2892	2748	regsvr32.exe	31
PID 2748 wrote to memory of 2892	2748	regsvr32.exe	31
PID 2748 wrote to memory of 2892	2748	regsvr32.exe	31
PID 2748 wrote to memory of 2892	2748	regsvr32.exe	31
PID 2892 wrote to memory of 2752	2892	explorer.exe	32
PID 2892 wrote to memory of 2752	2892	explorer.exe	32
PID 2892 wrote to memory of 2752	2892	explorer.exe	32
PID 2892 wrote to memory of 2752	2892	explorer.exe	32
PID 2324 wrote to memory of 1252	2324	taskeng.exe	35
PID 2324 wrote to memory of 1252	2324	taskeng.exe	35
PID 2324 wrote to memory of 1252	2324	taskeng.exe	35
PID 2324 wrote to memory of 1252	2324	taskeng.exe	35
PID 2324 wrote to memory of 1252	2324	taskeng.exe	35
PID 1252 wrote to memory of 964	1252	regsvr32.exe	36
PID 1252 wrote to memory of 964	1252	regsvr32.exe	36
PID 1252 wrote to memory of 964	1252	regsvr32.exe	36
PID 1252 wrote to memory of 964	1252	regsvr32.exe	36
PID 1252 wrote to memory of 964	1252	regsvr32.exe	36
PID 1252 wrote to memory of 964	1252	regsvr32.exe	36
PID 1252 wrote to memory of 964	1252	regsvr32.exe	36

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\mrch.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\mrch.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn znmxgertxw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\mrch.dll\"" /SC ONCE /Z /ST 12:39 /ET 12:51
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2752

C:\Windows\system32\taskeng.exe
taskeng.exe {6B144E04-4D06-4432-9480-8591888D919A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\mrch.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\mrch.dll"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\mrch.dll

Filesize
424KB

MD5
124b74398650933bb47190a8cdee8d1b

SHA1
ad6a4e26763d25a4c101a3eabd98bcf105eb79b0

SHA256
0158409723e1ffc9ce2ff7db5c5721434dfcf49d91e7457a01d609ec404c85f6

SHA512
77d4edd8280d2cfeab55d36a008d6abdd50b7bc6af70a8943b42bdbb61c4838719e4855bb1d72b859e8ecbc390b2113d2e541047b8881f2bcc51d761967643d6

Download Submit
memory/964-14-0x0000000000620000-0x00000000006AD000-memory.dmp

Filesize
564KB

Download
memory/2748-0-0x0000000000980000-0x0000000000A0D000-memory.dmp

Filesize
564KB

Download
memory/2748-1-0x0000000000980000-0x0000000000A0D000-memory.dmp

Filesize
564KB

Download
memory/2892-2-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/2892-5-0x0000000000830000-0x0000000000AB1000-memory.dmp

Filesize
2.5MB

Download
memory/2892-6-0x0000000000080000-0x00000000000B5000-memory.dmp

Filesize
212KB

Download
memory/2892-7-0x0000000000080000-0x00000000000B5000-memory.dmp

Filesize
212KB

Download
memory/2892-8-0x0000000000080000-0x00000000000B5000-memory.dmp

Filesize
212KB

Download
memory/2892-15-0x0000000000080000-0x00000000000B5000-memory.dmp

Filesize
212KB

Download