qakbot | 3460c75467173d8770325ef0cae52a081088c40c3009b49c30ce156acdcfeb31

General

Target

second_stage2.bin.dll
Size

664KB
MD5

13e592747dd14009080fb054cb80bad7
SHA1

98422f1cd903685c3dd91755b9894e918e53318b
SHA256

3460c75467173d8770325ef0cae52a081088c40c3009b49c30ce156acdcfeb31
SHA512

7248e03c329909c9f8c4ae67b5f6c85795025c746538ec9f965b48ea6806e6ed5f8affe3ff8354d02cafe9b6c791558c9c9b9da30cf9c564cc5fb660b89c5a45

Score

10^/10

qakbot cullinan 1640084934 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1640084934

C2

95.5.133.68:995

188.159.122.122:443

140.82.49.12:443

32.221.229.7:443

24.152.219.253:995

31.35.28.29:443

96.37.113.36:993

109.12.111.14:443

14.96.72.249:61202

93.48.80.198:995

45.9.20.200:2211

24.95.61.62:443

79.167.192.206:995

37.210.226.125:61202

103.139.242.30:995

70.163.1.219:443

114.79.148.170:443

63.153.187.104:443

103.143.8.71:6881

24.53.49.240:443

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

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

3948 schtasks.exe

pid	process
3948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exe

pid	process
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe
3924	regsvr32.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

regsvr32.exe

pid process

3924 regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

regsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 3052 wrote to memory of 3924	3052	regsvr32.exe	regsvr32.exe
PID 3052 wrote to memory of 3924	3052	regsvr32.exe	regsvr32.exe
PID 3052 wrote to memory of 3924	3052	regsvr32.exe	regsvr32.exe
PID 3924 wrote to memory of 3028	3924	regsvr32.exe	explorer.exe
PID 3924 wrote to memory of 3028	3924	regsvr32.exe	explorer.exe
PID 3924 wrote to memory of 3028	3924	regsvr32.exe	explorer.exe
PID 3924 wrote to memory of 3028	3924	regsvr32.exe	explorer.exe
PID 3924 wrote to memory of 3028	3924	regsvr32.exe	explorer.exe
PID 3028 wrote to memory of 3948	3028	explorer.exe	schtasks.exe
PID 3028 wrote to memory of 3948	3028	explorer.exe	schtasks.exe
PID 3028 wrote to memory of 3948	3028	explorer.exe	schtasks.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\second_stage2.bin.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3052

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\second_stage2.bin.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3924

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3028

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qzmmrzyz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\second_stage2.bin.dll\"" /SC ONCE /Z /ST 22:12 /ET 22:24
4⤵
- Creates scheduled task(s)
PID:3948

Network

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

Loading Replay Monitor...

Downloads

memory/3028-119-0x0000000000000000-mapping.dmp

Download
memory/3028-121-0x00000000036C0000-0x00000000036C1000-memory.dmp

Filesize
4KB

Download
memory/3028-122-0x00000000036C0000-0x00000000036C1000-memory.dmp

Filesize
4KB

Download
memory/3028-123-0x0000000003210000-0x0000000003231000-memory.dmp

Filesize
132KB

Download
memory/3924-115-0x0000000000000000-mapping.dmp

Download
memory/3924-116-0x0000000004EA0000-0x0000000004F1B000-memory.dmp

Filesize
492KB

Download
memory/3924-118-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/3924-117-0x0000000004F20000-0x00000000050AE000-memory.dmp

Filesize
1.6MB

Download
memory/3948-120-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads