qakbot | d4c575a5d522c8e2cc79685a526ce185d021aef9299c019b0ac52c4e10769ccf

Analysis

max time kernel
131s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
02/02/2021, 13:34

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General

Target
ellth1.dll
Size 565KB
Sample210202-v26fsnvpea
SHA256 d4c575a5d522c8e2cc79685a526ce185d021aef9299c019b0ac52c4e10769ccf
MD5 d095925bb57851b311351b95e8d95457
SHA1 a2816ed524260b45c62d9c1efe938af952d966ab
SHA512 ce9cc91ab9c5a1ee97d17a323536b5a93ef323274084e4f2c0d371ac89b12c27256faa03c46254cae96088b7b96b78dd10a242f9ed561ee9993a274992efd38e
MD5 SHA1 SHA512

Score

10^/10

qakbot krk01 1611569149 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Botnet

krk01

Campaign

1611569149

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
85.132.36.111:2222
68.186.192.69:443
75.136.40.155:443
68.225.60.77:995
144.139.47.206:443
79.129.121.81:995
98.121.187.78:443
75.67.192.125:443
216.201.162.158:443
2.50.2.216:443
75.136.26.147:443
84.72.35.226:443
172.78.30.215:443
105.198.236.99:443
83.110.102.100:443
193.248.221.184:2222
190.85.91.154:443
96.37.113.36:993
83.110.108.181:2222
88.233.91.244:443
95.77.223.148:443
207.246.77.75:2222
86.236.77.68:2222
207.246.77.75:443
45.63.107.192:995
77.211.30.202:995
149.28.99.97:443
207.246.77.75:8443
149.28.98.196:2222
207.246.116.237:995
207.246.116.237:8443
149.28.99.97:995
207.246.77.75:995
207.246.116.237:2222
45.77.115.208:443
45.32.211.207:995
149.28.101.90:8443
149.28.101.90:443
149.28.99.97:2222
172.115.177.204:2222
144.202.38.185:995
207.246.116.237:443
149.28.98.196:443
144.202.38.185:443
149.28.101.90:995
45.32.211.207:2222
45.32.211.207:443
45.32.211.207:8443
149.28.98.196:995
144.202.38.185:2222
45.63.107.192:443
149.28.101.90:2222
45.63.107.192:2222
45.77.115.208:2222
196.151.252.84:443
105.198.236.101:443
82.76.47.211:443
45.77.115.208:995
45.77.115.208:8443
213.60.147.140:443
92.59.35.196:2222
47.22.148.6:443
203.106.195.67:443
202.185.50.15:443
173.70.165.101:995
50.240.77.238:22
86.98.93.124:2078
172.87.157.235:3389
197.45.110.165:995
76.25.142.196:443
106.51.52.111:443
188.25.63.105:443
83.110.12.140:2222
64.121.114.87:443
50.29.166.232:995
217.133.54.140:32100
122.148.156.131:995
173.21.10.71:2222
45.46.53.140:2222
67.6.91.75:443
47.156.65.184:443
76.111.128.194:443
75.118.1.141:443
65.27.228.247:443
71.74.12.34:443
74.68.144.202:443
98.240.24.57:443
47.196.192.184:443
71.14.110.199:443
71.197.126.250:443
24.253.38.139:993
197.161.154.132:443
80.7.129.64:995
47.208.8.187:443
89.137.211.239:995
86.220.60.133:2222
94.53.92.42:443
78.97.207.104:443
106.250.150.98:443
67.8.103.21:443
41.39.134.183:443
2.50.161.6:2222
96.19.117.140:443
199.19.117.131:443
104.37.20.207:995
216.150.207.100:2222
189.222.111.204:443
73.216.60.90:2222
69.123.179.70:443
189.237.7.9:443
89.137.221.232:443
109.12.111.14:443
125.63.101.62:443
2.7.69.217:2222
89.211.247.202:443
201.130.149.43:995
186.155.151.167:443
201.127.37.219:443
151.205.102.42:443
189.210.115.207:443
97.69.160.4:2222
72.240.200.181:2222
72.252.201.69:443
172.87.134.226:995
209.210.187.52:995
209.210.187.52:443
108.46.145.30:443
24.229.150.54:995
186.84.90.232:443
80.11.5.65:2222

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3040	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4000	3040	WerFault.exe	83

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service	rundll32.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

pid	Process
1980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1036	rundll32.exe
1036	rundll32.exe
1036	rundll32.exe
1036	rundll32.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1036	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	4000	WerFault.exe
Token: SeBackupPrivilege	4000	WerFault.exe
Token: SeDebugPrivilege	4000	WerFault.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 1036	3636	rundll32.exe	70
PID 3636 wrote to memory of 1036	3636	rundll32.exe	70
PID 3636 wrote to memory of 1036	3636	rundll32.exe	70
PID 1036 wrote to memory of 3136	1036	rundll32.exe	79
PID 1036 wrote to memory of 3136	1036	rundll32.exe	79
PID 1036 wrote to memory of 3136	1036	rundll32.exe	79
PID 1036 wrote to memory of 3136	1036	rundll32.exe	79
PID 1036 wrote to memory of 3136	1036	rundll32.exe	79
PID 3136 wrote to memory of 1980	3136	explorer.exe	80
PID 3136 wrote to memory of 1980	3136	explorer.exe	80
PID 3136 wrote to memory of 1980	3136	explorer.exe	80
PID 3920 wrote to memory of 3040	3920	regsvr32.exe	83
PID 3920 wrote to memory of 3040	3920	regsvr32.exe	83
PID 3920 wrote to memory of 3040	3920	regsvr32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ellth1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ellth1.dll,#1
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3136
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wrgaznvfa /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\ellth1.dll\"" /SC ONCE /Z /ST 14:33 /ET 14:45
      4⤵
      Creates scheduled task(s)
      PID:1980

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\ellth1.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\regsvr32.exe
  -s "C:\Users\Admin\AppData\Local\Temp\ellth1.dll"
  2⤵
  - Loads dropped DLL
  PID:3040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 596
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1036-3-0x0000000073FA0000-0x0000000073FD5000-memory.dmp

Download

memory/1036-4-0x0000000002A60000-0x0000000002A61000-memory.dmp

Download

memory/3136-6-0x0000000000120000-0x0000000000155000-memory.dmp

Download

memory/3136-8-0x0000000000120000-0x0000000000155000-memory.dmp

Download

memory/4000-12-0x0000000002EF0000-0x0000000002EF1000-memory.dmp

Download