qakbot | bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad

General

Target

bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll
Size

959KB
MD5

e5ef2b91bcdb8037bb2465c84c28248b
SHA1

adaad69a8641a607d7fc77c7cd11d6981c8afde0
SHA256

bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad
SHA512

66c38499678ca3e21b4dfe9e91934357b3c85c542a1774ee98411660f64d7aa05d718c3095e33280275df631833dd0607ee3a40cd06b8abb754d97132bb7700c

Score

10^/10

qakbot cullinan 1639333530 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639333530

C2

65.100.174.110:443

173.21.10.71:2222

140.82.49.12:443

190.73.3.148:2222

76.25.142.196:443

71.74.12.34:443

31.215.98.160:443

93.48.80.198:995

45.9.20.200:2211

41.228.22.180:443

109.12.111.14:443

63.143.92.99:995

120.150.218.241:995

94.60.254.81:443

86.148.6.51:443

218.101.110.3:995

216.238.71.31:443

207.246.112.221:443

216.238.72.121:443

216.238.71.31:995

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1504 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

1424 schtasks.exe

pid	process
1504	regsvr32.exe

pid	process
1424	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\754de830 = d2d169735525132b2b2bb4a6eebee3b3284f293833a3d7d52f7eaf203ad298691eda204c9e0d65f58c914552a7eeb963121594e1ad9c0e01dc52d6db8915ca0b30cf92a520e0af00ce6b47c905fdfe77aeab3041b95010c1ce57d054636422807ff7d77fd831187fb30ffcd23000c5723de67b2e3b2c1cd5818d4aa5161f647813c499895f769d8595212a9f9bd90cb7c846c40f200fc4bfab2d4152ef83	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\cfb0af29 = a2e06052af6b26ed52b70c5e70aa14a3f719c5c39e42bc9ecdb397be7f1692a79c8a4010faaa6f8aef79c55ab3	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\b2b8e0a3 = 5dd36c2bb68cce895c2c25a5afcd850fd46d48e71dbd1be03c0783b3bc08f780c2d5261de1dbd492fc3e1e225453a2c593ed4e9745128d5fb1e8ed56f51d853efe440b2e0597dd74c4832805f7954a5b3993316b7cc94376ad2ea45057141fdc0b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\a0487c6 = 25bf5574daeea19ebb563bd8fa4e093461885b901d1654c30e85ee93f143c6be691473d29f187f59c1a8181944a7919e5631870333e92df313a16480f00396a89e69722966482a9f4cec1180883f10fdc5	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\40d2387e = 7e2342cfdfc79e54c03f286ae4a3a9cef78f92e9b397bf7e30d45d765af2537ae92e7cc2321e87616f8edd5187aaa93718165501cc892987a7fe29e264ab5847a311138bf7adb603238ae54dbd25dc42898fc6c3d091aad552a7100c6c47b97ef3	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\40d2387e = 7e2355cfdfc7ab4d034205d5d30c43d474be3b9b07a47e0b8579a69341e0b7fb151643bd1dc01fb995e60991490cddb42a1864bce66c1aae2d3b83333619750f83cf47a2486f48209fb40265	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\770cc84c = 91a59166df61b0972bc8e44057b7ad5999449a62be7d3ca192708dd9c63ad352bfd6a34399aaab8b147424f286eb048bc571e03a3db1e6f3d32036670ef2e0eabb9f9e6856a9f6fc085b2865386dfc31386f239f5ff4baad52b3de3714	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\cdf18f55 = a608add77154dc059d47acc30053eaec42788a651be2839ba863fc4dac3937f7c1db24	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Djdovaupm\3f9b5788 = 34a5cd85161cb690e920eea2e1fc494bff97f85515c80ed912c656bd11959b2d28533cad02ecabc6c65d80cb7d02306db2bd3da2367c58c6dc608ff9fd	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1480 regsvr32.exe
1504 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1480 regsvr32.exe
1504 regsvr32.exe

pid	process
1480	regsvr32.exe
1504	regsvr32.exe

pid	process
1480	regsvr32.exe
1504	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1684 wrote to memory of 1480	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1480	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1480	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1480	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1480	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1480	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1480	1684	regsvr32.exe	regsvr32.exe
PID 1480 wrote to memory of 1764	1480	regsvr32.exe	explorer.exe
PID 1480 wrote to memory of 1764	1480	regsvr32.exe	explorer.exe
PID 1480 wrote to memory of 1764	1480	regsvr32.exe	explorer.exe
PID 1480 wrote to memory of 1764	1480	regsvr32.exe	explorer.exe
PID 1480 wrote to memory of 1764	1480	regsvr32.exe	explorer.exe
PID 1480 wrote to memory of 1764	1480	regsvr32.exe	explorer.exe
PID 1764 wrote to memory of 1424	1764	explorer.exe	schtasks.exe
PID 1764 wrote to memory of 1424	1764	explorer.exe	schtasks.exe
PID 1764 wrote to memory of 1424	1764	explorer.exe	schtasks.exe
PID 1764 wrote to memory of 1424	1764	explorer.exe	schtasks.exe
PID 1476 wrote to memory of 1508	1476	taskeng.exe	regsvr32.exe
PID 1476 wrote to memory of 1508	1476	taskeng.exe	regsvr32.exe
PID 1476 wrote to memory of 1508	1476	taskeng.exe	regsvr32.exe
PID 1476 wrote to memory of 1508	1476	taskeng.exe	regsvr32.exe
PID 1476 wrote to memory of 1508	1476	taskeng.exe	regsvr32.exe
PID 1508 wrote to memory of 1504	1508	regsvr32.exe	regsvr32.exe
PID 1508 wrote to memory of 1504	1508	regsvr32.exe	regsvr32.exe
PID 1508 wrote to memory of 1504	1508	regsvr32.exe	regsvr32.exe
PID 1508 wrote to memory of 1504	1508	regsvr32.exe	regsvr32.exe
PID 1508 wrote to memory of 1504	1508	regsvr32.exe	regsvr32.exe
PID 1508 wrote to memory of 1504	1508	regsvr32.exe	regsvr32.exe
PID 1508 wrote to memory of 1504	1508	regsvr32.exe	regsvr32.exe
PID 1504 wrote to memory of 1924	1504	regsvr32.exe	explorer.exe
PID 1504 wrote to memory of 1924	1504	regsvr32.exe	explorer.exe
PID 1504 wrote to memory of 1924	1504	regsvr32.exe	explorer.exe
PID 1504 wrote to memory of 1924	1504	regsvr32.exe	explorer.exe
PID 1504 wrote to memory of 1924	1504	regsvr32.exe	explorer.exe
PID 1504 wrote to memory of 1924	1504	regsvr32.exe	explorer.exe
PID 1924 wrote to memory of 1852	1924	explorer.exe	reg.exe
PID 1924 wrote to memory of 1852	1924	explorer.exe	reg.exe
PID 1924 wrote to memory of 1852	1924	explorer.exe	reg.exe
PID 1924 wrote to memory of 1852	1924	explorer.exe	reg.exe
PID 1924 wrote to memory of 1712	1924	explorer.exe	reg.exe
PID 1924 wrote to memory of 1712	1924	explorer.exe	reg.exe
PID 1924 wrote to memory of 1712	1924	explorer.exe	reg.exe
PID 1924 wrote to memory of 1712	1924	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1764
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qjtiplxsw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll\"" /SC ONCE /Z /ST 16:02 /ET 16:14
      4⤵
      Creates scheduled task(s)
      PID:1424

C:\Windows\system32\taskeng.exe
taskeng.exe {89D0939B-38BC-47C6-879D-14DE880615CF} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      Modifies data under HKEY_USERS
      Suspicious use of WriteProcessMemory
      PID:1924
    - - 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\Qzplkg" /d "0"
        5⤵
        
        PID:1852
    - - 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\Hugyyys" /d "0"
        5⤵
        
        PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll

MD5
e5ef2b91bcdb8037bb2465c84c28248b

SHA1
adaad69a8641a607d7fc77c7cd11d6981c8afde0

SHA256
bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad

SHA512
66c38499678ca3e21b4dfe9e91934357b3c85c542a1774ee98411660f64d7aa05d718c3095e33280275df631833dd0607ee3a40cd06b8abb754d97132bb7700c

Download Submit
\Users\Admin\AppData\Local\Temp\bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad.dll

MD5
e5ef2b91bcdb8037bb2465c84c28248b

SHA1
adaad69a8641a607d7fc77c7cd11d6981c8afde0

SHA256
bef46e00b74c84f8c4e22ec59705da188ac9b417f57f98239e0befa44700a7ad

SHA512
66c38499678ca3e21b4dfe9e91934357b3c85c542a1774ee98411660f64d7aa05d718c3095e33280275df631833dd0607ee3a40cd06b8abb754d97132bb7700c

Download Submit
memory/1424-62-0x0000000000000000-mapping.dmp

Download
memory/1480-56-0x00000000002A0000-0x0000000000320000-memory.dmp

Filesize
512KB

Download
memory/1480-55-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1480-54-0x0000000000000000-mapping.dmp

Download
memory/1480-57-0x0000000010000000-0x00000000100F5000-memory.dmp

Filesize
980KB

Download
memory/1504-70-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1504-67-0x0000000000000000-mapping.dmp

Download
memory/1508-64-0x0000000000000000-mapping.dmp

Download
memory/1684-53-0x000007FEFC501000-0x000007FEFC503000-memory.dmp

Filesize
8KB

Download
memory/1712-76-0x0000000000000000-mapping.dmp

Download
memory/1764-63-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1764-61-0x0000000074BA1000-0x0000000074BA3000-memory.dmp

Filesize
8KB

Download
memory/1764-59-0x0000000000000000-mapping.dmp

Download
memory/1764-58-0x00000000000F0000-0x00000000000F2000-memory.dmp

Filesize
8KB

Download
memory/1852-75-0x0000000000000000-mapping.dmp

Download
memory/1924-72-0x0000000000000000-mapping.dmp

Download
memory/1924-77-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads