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
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

772 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

1648 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

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

Processes:

rundll32.exe

pid process

884 rundll32.exe

pid	process
772	regsvr32.exe

pid	process
1648	schtasks.exe

pid	process
884	rundll32.exe
884	rundll32.exe

pid	process
884	rundll32.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exe

description	pid	process	target process
PID 1672 wrote to memory of 884	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 884	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 884	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 884	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 884	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 884	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 884	1672	rundll32.exe	rundll32.exe
PID 884 wrote to memory of 284	884	rundll32.exe	explorer.exe
PID 884 wrote to memory of 284	884	rundll32.exe	explorer.exe
PID 884 wrote to memory of 284	884	rundll32.exe	explorer.exe
PID 884 wrote to memory of 284	884	rundll32.exe	explorer.exe
PID 884 wrote to memory of 284	884	rundll32.exe	explorer.exe
PID 884 wrote to memory of 284	884	rundll32.exe	explorer.exe
PID 284 wrote to memory of 1648	284	explorer.exe	schtasks.exe
PID 284 wrote to memory of 1648	284	explorer.exe	schtasks.exe
PID 284 wrote to memory of 1648	284	explorer.exe	schtasks.exe
PID 284 wrote to memory of 1648	284	explorer.exe	schtasks.exe
PID 1052 wrote to memory of 548	1052	taskeng.exe	regsvr32.exe
PID 1052 wrote to memory of 548	1052	taskeng.exe	regsvr32.exe
PID 1052 wrote to memory of 548	1052	taskeng.exe	regsvr32.exe
PID 1052 wrote to memory of 548	1052	taskeng.exe	regsvr32.exe
PID 1052 wrote to memory of 548	1052	taskeng.exe	regsvr32.exe
PID 548 wrote to memory of 772	548	regsvr32.exe	regsvr32.exe
PID 548 wrote to memory of 772	548	regsvr32.exe	regsvr32.exe
PID 548 wrote to memory of 772	548	regsvr32.exe	regsvr32.exe
PID 548 wrote to memory of 772	548	regsvr32.exe	regsvr32.exe
PID 548 wrote to memory of 772	548	regsvr32.exe	regsvr32.exe
PID 548 wrote to memory of 772	548	regsvr32.exe	regsvr32.exe
PID 548 wrote to memory of 772	548	regsvr32.exe	regsvr32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:284

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wytbkjbg /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll\"" /SC ONCE /Z /ST 22:56 /ET 23:08
4⤵
- Creates scheduled task(s)
PID:1648

C:\Windows\system32\taskeng.exe
taskeng.exe {03D1C81F-27DE-4EBD-9EB9-ED064745AF61} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1052

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll"
3⤵
- Loads dropped DLL
PID:772

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll
MD5
ab335c2a416383c748615aed31707260

SHA1
6afaf5458cd0caef19db7755d5ef8aa7a6f39474

SHA256
060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd

SHA512
1acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd

Download Submit
\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll
MD5
ab335c2a416383c748615aed31707260

SHA1
6afaf5458cd0caef19db7755d5ef8aa7a6f39474

SHA256
060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd

SHA512
1acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd

Download Submit
memory/284-6-0x0000000000000000-mapping.dmp

Download
memory/284-8-0x0000000074AE1000-0x0000000074AE3000-memory.dmp

Filesize
8KB

Download
memory/284-10-0x00000000000F0000-0x0000000000125000-memory.dmp

Filesize
212KB

Download
memory/284-11-0x00000000000F0000-0x0000000000125000-memory.dmp

Filesize
212KB

Download
memory/548-12-0x0000000000000000-mapping.dmp

Download
memory/548-13-0x000007FEFBDE1000-0x000007FEFBDE3000-memory.dmp

Filesize
8KB

Download
memory/772-15-0x0000000000000000-mapping.dmp

Download
memory/884-5-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/884-2-0x0000000000000000-mapping.dmp

Download
memory/884-4-0x0000000010000000-0x0000000010035000-memory.dmp

Filesize
212KB

Download
memory/884-3-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1648-9-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads