qakbot | 3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573

General

Target

3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573.dll
Size

1.6MB
MD5

8823100dee1a4504843572e377a6ff7a
SHA1

5646e3ee6bf1fdf57abe2b5df51109888e54cd44
SHA256

3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573
SHA512

c7adfcff9ef8cccee3b7bafddb9573da6ac646b0dfec4bf4104fb7e46aeb21d5b6c4673a74c48b4354f0952afc44f29dd80f40033257cbd6e6b39bed44eac88d
SSDEEP

24576:b9mB+XxJ7zUqNS8KqCx2ffNrC0O60+bPzTk1wK7TpKsBf:bUBav7zbS8pCx2fftCv6JLwJ7FKsBf

Score

10^/10

qakbot tr 1634541613 banker discovery evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1634541613

C2

120.150.218.241:995

24.119.214.7:443

103.143.8.71:443

81.241.252.59:2078

81.250.153.227:2222

174.54.193.186:443

73.52.50.32:443

39.49.122.240:995

86.220.112.26:2222

103.82.211.39:465

78.191.38.33:995

216.201.162.158:443

181.118.183.94:443

66.177.215.152:0

208.78.220.143:443

94.200.181.154:443

136.232.34.70:443

136.143.11.232:443

81.213.59.22:443

103.82.211.39:990

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

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

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

reg.exereg.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData\Microsoft\Tzplenlikuu = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\Microsoft\Rzmcz = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

2888 regsvr32.exe

pid	process
2888	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

schtasks.exeregsvr32.exeexplorer.exerundll32.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\7478ff = ae51de6cc01da3072bcded61336f592dd84e0a5b8d2420ca15b516c2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\b8c81f9a = a11855255cacacc8bf86ec529def31db788dc87f93de3afcb990c4b06965079a6d9fe33ca1b2b1b94279c3b35913a8c228aca758558341d18e8f5b2f8a8f16b6ea4b8890b6079bca2d9a19a4aff05b8ad975b17c96a11e3657	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\c5c05010 = 914ddfa8cf406744b177032596f7b988c47fcf1b24b1584c1648e1d2d77a2b046db15c902fef7c967b66288a1e9628d5dd2647f00d38d53766180a4563a3a6f9aa3ba71bd518f53720	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\7d7c3775 = b66cb3cef580703db9d9996149baa300840cb2880646562fb6cd26fdd2a031a3ec53077c1de20169a9a7a14c33f6076c7810543c0f917f10199a6f0bc96102a7f6079f8b4ecccd6d997a1847cc171f0e64d09ee790a23468e118b95fb5a8d954a0ecfd768e92cb9c4716acc7a97d4515	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\ba893fe6 = f3ad37dd01c8bdbce93a99e8a08d75b9ee54d03010c75d38d4e5507689d9fd7cd335804cb498de40cfe2146038f6d9532ef731e28046037c05c704144de09875194d748249ce47d7acb7d3717b56d27436342ce5117ea48d9e3cd5048cbc45	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\48e3e73b = b06991ba79bde04b5946a6b4564ceaf58938da4842d7e18bd60fc1136758a4fb67dad5d8f0511a97569ea4dcc3eefbdab9f0e264bc70e6a891e8	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Dyyltxmw	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\37aa88cd = cf1a9220ab9cdb4092bac8c69bd468acb17469ac	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\2355883 = 86bde121e0a6f14bc358548cf4bc6817c0d997ce07ff7b0dda18c4bd43dd8832792ad74b2992a003a323a976b5af60e5434c8d175c0c7dff2c5802ff8ddea7f29d565a798ee9ac300c33c97ca965eaa52e089a377e2c7712bcb30ef529ac7b66b04d5e30aaaf3ef734214f7933dade4064e05575578417dc06af669049c91fa1c0f5d7700203fa2adc07169e0c96be757c3dfa0d81f32fb5c463059b1b433d3c5783	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Dyyltxmw\37aa88cd = cf1a8520ab9ceefbf8b8bf2e31c5002f102658091342247f1099647ef1cfcdde5eb2969300d6b63c0a	explorer.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

1632 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

376 rundll32.exe
2888 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

376 rundll32.exe
2888 regsvr32.exe

pid	process
1632	schtasks.exe

pid	process
376	rundll32.exe
2888	regsvr32.exe

pid	process
376	rundll32.exe
2888	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1404 wrote to memory of 376	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 376	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 376	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 376	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 376	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 376	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 376	1404	rundll32.exe	rundll32.exe
PID 376 wrote to memory of 2456	376	rundll32.exe	explorer.exe
PID 376 wrote to memory of 2456	376	rundll32.exe	explorer.exe
PID 376 wrote to memory of 2456	376	rundll32.exe	explorer.exe
PID 376 wrote to memory of 2456	376	rundll32.exe	explorer.exe
PID 376 wrote to memory of 2456	376	rundll32.exe	explorer.exe
PID 376 wrote to memory of 2456	376	rundll32.exe	explorer.exe
PID 2456 wrote to memory of 1632	2456	explorer.exe	schtasks.exe
PID 2456 wrote to memory of 1632	2456	explorer.exe	schtasks.exe
PID 2456 wrote to memory of 1632	2456	explorer.exe	schtasks.exe
PID 2456 wrote to memory of 1632	2456	explorer.exe	schtasks.exe
PID 2028 wrote to memory of 2812	2028	taskeng.exe	regsvr32.exe
PID 2028 wrote to memory of 2812	2028	taskeng.exe	regsvr32.exe
PID 2028 wrote to memory of 2812	2028	taskeng.exe	regsvr32.exe
PID 2028 wrote to memory of 2812	2028	taskeng.exe	regsvr32.exe
PID 2028 wrote to memory of 2812	2028	taskeng.exe	regsvr32.exe
PID 2812 wrote to memory of 2888	2812	regsvr32.exe	regsvr32.exe
PID 2812 wrote to memory of 2888	2812	regsvr32.exe	regsvr32.exe
PID 2812 wrote to memory of 2888	2812	regsvr32.exe	regsvr32.exe
PID 2812 wrote to memory of 2888	2812	regsvr32.exe	regsvr32.exe
PID 2812 wrote to memory of 2888	2812	regsvr32.exe	regsvr32.exe
PID 2812 wrote to memory of 2888	2812	regsvr32.exe	regsvr32.exe
PID 2812 wrote to memory of 2888	2812	regsvr32.exe	regsvr32.exe
PID 2888 wrote to memory of 2044	2888	regsvr32.exe	explorer.exe
PID 2888 wrote to memory of 2044	2888	regsvr32.exe	explorer.exe
PID 2888 wrote to memory of 2044	2888	regsvr32.exe	explorer.exe
PID 2888 wrote to memory of 2044	2888	regsvr32.exe	explorer.exe
PID 2888 wrote to memory of 2044	2888	regsvr32.exe	explorer.exe
PID 2888 wrote to memory of 2044	2888	regsvr32.exe	explorer.exe
PID 2044 wrote to memory of 2948	2044	explorer.exe	reg.exe
PID 2044 wrote to memory of 2948	2044	explorer.exe	reg.exe
PID 2044 wrote to memory of 2948	2044	explorer.exe	reg.exe
PID 2044 wrote to memory of 2948	2044	explorer.exe	reg.exe
PID 2044 wrote to memory of 2956	2044	explorer.exe	reg.exe
PID 2044 wrote to memory of 2956	2044	explorer.exe	reg.exe
PID 2044 wrote to memory of 2956	2044	explorer.exe	reg.exe
PID 2044 wrote to memory of 2956	2044	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hnehaxhnqq /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573.dll\"" /SC ONCE /Z /ST 15:25 /ET 15:37
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1632

C:\Windows\system32\taskeng.exe
taskeng.exe {75043308-E252-4337-98EC-ECC62D7A50FD} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573.dll"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2888
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      System Location Discovery: System Language Discovery
      Modifies data under HKEY_USERS
      Suspicious use of WriteProcessMemory
      PID:2044
    - - C:\Windows\system32\reg.exe
        
        C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Tzplenlikuu" /d "0"
        5⤵
        Windows security bypass
        
        PID:2948
    - - C:\Windows\system32\reg.exe
        
        C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Rzmcz" /d "0"
        5⤵
        Windows security bypass
        
        PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573.dll

Filesize
1.6MB

MD5
8823100dee1a4504843572e377a6ff7a

SHA1
5646e3ee6bf1fdf57abe2b5df51109888e54cd44

SHA256
3c7b19ab8e40e2ed803d0d3adada6eebc5f18a970c8093f8f8e8ca1a552a2573

SHA512
c7adfcff9ef8cccee3b7bafddb9573da6ac646b0dfec4bf4104fb7e46aeb21d5b6c4673a74c48b4354f0952afc44f29dd80f40033257cbd6e6b39bed44eac88d

Download Submit
\??\PIPE\wkssvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/376-1-0x0000000074F10000-0x00000000750BB000-memory.dmp

Filesize
1.7MB

Download
memory/376-4-0x0000000074F10000-0x00000000750BB000-memory.dmp

Filesize
1.7MB

Download
memory/376-3-0x00000000750A0000-0x00000000750A6000-memory.dmp

Filesize
24KB

Download
memory/376-7-0x0000000074F10000-0x00000000750BB000-memory.dmp

Filesize
1.7MB

Download
memory/376-0-0x0000000074F10000-0x00000000750BB000-memory.dmp

Filesize
1.7MB

Download
memory/2044-27-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2044-28-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2044-26-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2456-12-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2456-14-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2456-11-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2456-10-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2456-6-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/2456-5-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/2888-20-0x0000000074640000-0x00000000747EB000-memory.dmp

Filesize
1.7MB

Download
memory/2888-19-0x0000000074640000-0x00000000747EB000-memory.dmp

Filesize
1.7MB

Download
memory/2888-24-0x0000000074640000-0x00000000747EB000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads