qakbot | 4a3eb0db6aa2f1b6894d3b55efd8938bd73a3c12418cb5680f9748c00a9b3a34

General

Target

logqbag11.bin.dll
Size

1.4MB
MD5

c4276971ac23a4595ebf01c66519b010
SHA1

a66c856cd238a20b00c65e8ae4f5d15f6cc6bc31
SHA256

4a3eb0db6aa2f1b6894d3b55efd8938bd73a3c12418cb5680f9748c00a9b3a34
SHA512

2529b311c73cb6a2978e5af9203a0b3e6a9aa0bd1ff1c266a0b8b6e6fe93c9a53f7606444923600a475d4329be51dad21eaf235eb82e99d08e2178ba9aa6d745

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

320 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

Processes:

schtasks.exe

pid process

1988 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

1528 rundll32.exe
1528 rundll32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

1528 rundll32.exe

pid	process
320	regsvr32.exe

pid	process
1988	schtasks.exe

pid	process
1528	rundll32.exe
1528	rundll32.exe

pid	process
1528	rundll32.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exe

description	pid	process	target process
PID 2004 wrote to memory of 1528	2004	rundll32.exe	rundll32.exe
PID 2004 wrote to memory of 1528	2004	rundll32.exe	rundll32.exe
PID 2004 wrote to memory of 1528	2004	rundll32.exe	rundll32.exe
PID 2004 wrote to memory of 1528	2004	rundll32.exe	rundll32.exe
PID 2004 wrote to memory of 1528	2004	rundll32.exe	rundll32.exe
PID 2004 wrote to memory of 1528	2004	rundll32.exe	rundll32.exe
PID 2004 wrote to memory of 1528	2004	rundll32.exe	rundll32.exe
PID 1528 wrote to memory of 756	1528	rundll32.exe	explorer.exe
PID 1528 wrote to memory of 756	1528	rundll32.exe	explorer.exe
PID 1528 wrote to memory of 756	1528	rundll32.exe	explorer.exe
PID 1528 wrote to memory of 756	1528	rundll32.exe	explorer.exe
PID 1528 wrote to memory of 756	1528	rundll32.exe	explorer.exe
PID 1528 wrote to memory of 756	1528	rundll32.exe	explorer.exe
PID 756 wrote to memory of 1988	756	explorer.exe	schtasks.exe
PID 756 wrote to memory of 1988	756	explorer.exe	schtasks.exe
PID 756 wrote to memory of 1988	756	explorer.exe	schtasks.exe
PID 756 wrote to memory of 1988	756	explorer.exe	schtasks.exe
PID 1144 wrote to memory of 824	1144	taskeng.exe	regsvr32.exe
PID 1144 wrote to memory of 824	1144	taskeng.exe	regsvr32.exe
PID 1144 wrote to memory of 824	1144	taskeng.exe	regsvr32.exe
PID 1144 wrote to memory of 824	1144	taskeng.exe	regsvr32.exe
PID 1144 wrote to memory of 824	1144	taskeng.exe	regsvr32.exe
PID 824 wrote to memory of 320	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 320	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 320	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 320	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 320	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 320	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 320	824	regsvr32.exe	regsvr32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\logqbag11.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\logqbag11.bin.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bsxbalgrjo /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\logqbag11.bin.dll\"" /SC ONCE /Z /ST 17:17 /ET 17:29
4⤵
- Creates scheduled task(s)
PID:1988

C:\Windows\system32\taskeng.exe
taskeng.exe {A2F4CA1A-B94A-4CAD-839A-B97BE0C25268} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\logqbag11.bin.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:824

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\logqbag11.bin.dll"
3⤵
- Loads dropped DLL
PID:320

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\logqbag11.bin.dll
MD5
c8e82fdb6fc9ceb03e9d75d8f1e6da35

SHA1
ac49bbc49db53440a1b3a2366389b18545c9285d

SHA256
aca1bb2539c33e258322a92812d4641929bfb919f1995c0034c5965fd2a68563

SHA512
1065cdf097ca88b1ef70006ed7dc901924e1da1444b2c502fa39a8506e1c305fddd9d8bedf64f1771199db12b6aacd401f9c46d6022e97d4f49a22dc42cc0060

Download Submit
\Users\Admin\AppData\Local\Temp\logqbag11.bin.dll
MD5
c8e82fdb6fc9ceb03e9d75d8f1e6da35

SHA1
ac49bbc49db53440a1b3a2366389b18545c9285d

SHA256
aca1bb2539c33e258322a92812d4641929bfb919f1995c0034c5965fd2a68563

SHA512
1065cdf097ca88b1ef70006ed7dc901924e1da1444b2c502fa39a8506e1c305fddd9d8bedf64f1771199db12b6aacd401f9c46d6022e97d4f49a22dc42cc0060

Download Submit
memory/320-15-0x0000000000000000-mapping.dmp

Download
memory/756-11-0x0000000000110000-0x0000000000145000-memory.dmp

Filesize
212KB

Download
memory/756-6-0x0000000000000000-mapping.dmp

Download
memory/756-8-0x0000000074D51000-0x0000000074D53000-memory.dmp

Filesize
8KB

Download
memory/756-9-0x0000000000110000-0x0000000000145000-memory.dmp

Filesize
212KB

Download
memory/824-12-0x0000000000000000-mapping.dmp

Download
memory/824-13-0x000007FEFC371000-0x000007FEFC373000-memory.dmp

Filesize
8KB

Download
memory/1528-2-0x0000000000000000-mapping.dmp

Download
memory/1528-5-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1528-4-0x0000000074EC0000-0x0000000074EF5000-memory.dmp

Filesize
212KB

Download
memory/1528-3-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1988-10-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads