qakbot | f4671690ddeb683f87d12173b47d33d1ec18cb4b8c7e300397ee76b214d92cc7

General

Target

f4671690ddeb683f87d12173b47d33d1ec18cb4b8c7e300397ee76b214d92cc7.dll
Size

680KB
MD5

bc77db5e71744abff1ee82e51524fbe2
SHA1

95ea877d90b180c21e18ff0862c56e34f6423e29
SHA256

f4671690ddeb683f87d12173b47d33d1ec18cb4b8c7e300397ee76b214d92cc7
SHA512

b77e7a056c87461ec2677c598ae26c6ed8f99f7ea3274bdc8b6e069a06a7222b70482e8db57fbfba6c6ead997cf76d88cbeb3f0c10eeeaaab43a0e41c2d197b0

Score

10^/10

qakbot cullinan 1639988898 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639988898

C2

32.221.229.7:443

140.82.49.12:443

24.152.219.253:995

182.56.99.126:443

76.169.147.192:32103

218.101.110.3:995

89.101.97.139:443

82.152.39.39:443

176.24.150.197:443

96.37.113.36:993

68.186.192.69:443

59.88.168.108:443

75.110.250.187:443

182.191.92.203:995

89.165.88.95:443

103.142.10.177:443

45.9.20.200:2211

24.95.61.62:443

194.36.28.26:443

78.101.82.198:2222

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

2760 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

2876 regsvr32.exe
2876 regsvr32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

regsvr32.exe

pid process

2876 regsvr32.exe

pid	process
2760	schtasks.exe

pid	process
2876	regsvr32.exe
2876	regsvr32.exe

pid	process
2876	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

regsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 2684 wrote to memory of 2876	2684	regsvr32.exe	regsvr32.exe
PID 2684 wrote to memory of 2876	2684	regsvr32.exe	regsvr32.exe
PID 2684 wrote to memory of 2876	2684	regsvr32.exe	regsvr32.exe
PID 2876 wrote to memory of 2688	2876	regsvr32.exe	explorer.exe
PID 2876 wrote to memory of 2688	2876	regsvr32.exe	explorer.exe
PID 2876 wrote to memory of 2688	2876	regsvr32.exe	explorer.exe
PID 2876 wrote to memory of 2688	2876	regsvr32.exe	explorer.exe
PID 2876 wrote to memory of 2688	2876	regsvr32.exe	explorer.exe
PID 2688 wrote to memory of 2760	2688	explorer.exe	schtasks.exe
PID 2688 wrote to memory of 2760	2688	explorer.exe	schtasks.exe
PID 2688 wrote to memory of 2760	2688	explorer.exe	schtasks.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f4671690ddeb683f87d12173b47d33d1ec18cb4b8c7e300397ee76b214d92cc7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f4671690ddeb683f87d12173b47d33d1ec18cb4b8c7e300397ee76b214d92cc7.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2876

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2688

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn uqhufjaadb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f4671690ddeb683f87d12173b47d33d1ec18cb4b8c7e300397ee76b214d92cc7.dll\"" /SC ONCE /Z /ST 17:28 /ET 17:40
4⤵
- Creates scheduled task(s)
PID:2760

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

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Downloads

memory/2688-118-0x0000000000000000-mapping.dmp

Download
memory/2688-120-0x00000000036C0000-0x00000000036C1000-memory.dmp

Filesize
4KB

Download
memory/2688-121-0x00000000036C0000-0x00000000036C1000-memory.dmp

Filesize
4KB

Download
memory/2688-122-0x0000000000D00000-0x0000000000D21000-memory.dmp

Filesize
132KB

Download
memory/2760-119-0x0000000000000000-mapping.dmp

Download
memory/2876-115-0x0000000000000000-mapping.dmp

Download
memory/2876-116-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/2876-117-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads