qakbot | 572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc

General

Target

tmp/572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll
Size

694KB
MD5

c9ae9aeb3efdf16c273d7631715255b7
SHA1

1fa1055cf79240644e5dba166e20c537e8828e4f
SHA256

572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc
SHA512

e288bba8d0c2c97743ac83dc46ab7dfc16cb7b636fce305ae4010b5f6c9a3a40c06ab690a21205a3134a93442c3adf04a1893b9c9cfee38e9fe2a631dd86f8b8

Score

10^/10

qakbot cullinan 1639988898 banker evasion 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
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1452 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

584 schtasks.exe

pid	process
1452	regsvr32.exe

pid	process
584	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\f4af4d04 = a0928ab2a825bd829caa68a81a079c3a65e53f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\7bcdda53 = 18c9a2005c225746cf4fe9d15708b830d27fe465903e2bc507a4d873d6a02cbefdb8a7cd8a9ff3a388a650773fede2986e89c7b76bf3dd09462fadf1e6811455521480f56d61abd03910985f18cea260	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\be79f2bc = 65dc4c5ed940cd227b4c4a6e3af63df8b67e978346d440eabac21bde78d667fe31780af1f67854eefdbcee376255b5aedf326bafbdc077311eb96c0bb03b7fcd0ac614a55d9a114c033e38c9b18b78bc2e1efe434d76351316634183179a651a99	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\8be622f2 = 55d35f3e9f70417de6ab6e2f828236a0af09527941f2ccd47583c3c9a5d92f5499f9b80b82fa4fdc085c3c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\f4af4d04 = a0929db2a825886f1fe112ecbe9e52aaba62ec8e111734da739db74982f0abfd540ab2869f8a5720	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\c1309d4a = 6d7e4b608126a06a7880d6670544d0afdcea7cd4af1c561396983b5c9e83588bb47a99f4bfdec4ca61296de3955d9afdabed306589716cd167241a8481d1d5a61c02a66ddd299ebe1b10f5fad3ac28fc60be40cd6f04b73726039d8dde4e1228857442e367df61acbfd072ece8983e03ea63e40a49f207e45a03cafc7f1f3f2fc3056620	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\c371bd36 = c3af467344719f1feee5fda69110ccbc38bef8e9829dd1da555c7d3eb1a2eb2d40c15e623b18fe967cad0d457b226c932e6abd	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\6c595d9 = 6420758910c1dd82bbf6310576114a292866f207c3463e3b3461fd26fe1fc9f76cf9c8703fe81ae2475a169b169383bb98	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Vmhruetdfy\798cfa2f = dd4ff9d8c243471c159a5743d1024fb406ce2d14fefedef4f1cd574cfa2771fc88436088f69da1d05fef9861df8371abe8d710bc85	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1748 regsvr32.exe
1452 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1748 regsvr32.exe
1452 regsvr32.exe

pid	process
1748	regsvr32.exe
1452	regsvr32.exe

pid	process
1748	regsvr32.exe
1452	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 796 wrote to memory of 1748	796	regsvr32.exe	regsvr32.exe
PID 796 wrote to memory of 1748	796	regsvr32.exe	regsvr32.exe
PID 796 wrote to memory of 1748	796	regsvr32.exe	regsvr32.exe
PID 796 wrote to memory of 1748	796	regsvr32.exe	regsvr32.exe
PID 796 wrote to memory of 1748	796	regsvr32.exe	regsvr32.exe
PID 796 wrote to memory of 1748	796	regsvr32.exe	regsvr32.exe
PID 796 wrote to memory of 1748	796	regsvr32.exe	regsvr32.exe
PID 1748 wrote to memory of 1916	1748	regsvr32.exe	explorer.exe
PID 1748 wrote to memory of 1916	1748	regsvr32.exe	explorer.exe
PID 1748 wrote to memory of 1916	1748	regsvr32.exe	explorer.exe
PID 1748 wrote to memory of 1916	1748	regsvr32.exe	explorer.exe
PID 1748 wrote to memory of 1916	1748	regsvr32.exe	explorer.exe
PID 1748 wrote to memory of 1916	1748	regsvr32.exe	explorer.exe
PID 1916 wrote to memory of 584	1916	explorer.exe	schtasks.exe
PID 1916 wrote to memory of 584	1916	explorer.exe	schtasks.exe
PID 1916 wrote to memory of 584	1916	explorer.exe	schtasks.exe
PID 1916 wrote to memory of 584	1916	explorer.exe	schtasks.exe
PID 1120 wrote to memory of 1936	1120	taskeng.exe	regsvr32.exe
PID 1120 wrote to memory of 1936	1120	taskeng.exe	regsvr32.exe
PID 1120 wrote to memory of 1936	1120	taskeng.exe	regsvr32.exe
PID 1120 wrote to memory of 1936	1120	taskeng.exe	regsvr32.exe
PID 1120 wrote to memory of 1936	1120	taskeng.exe	regsvr32.exe
PID 1936 wrote to memory of 1452	1936	regsvr32.exe	regsvr32.exe
PID 1936 wrote to memory of 1452	1936	regsvr32.exe	regsvr32.exe
PID 1936 wrote to memory of 1452	1936	regsvr32.exe	regsvr32.exe
PID 1936 wrote to memory of 1452	1936	regsvr32.exe	regsvr32.exe
PID 1936 wrote to memory of 1452	1936	regsvr32.exe	regsvr32.exe
PID 1936 wrote to memory of 1452	1936	regsvr32.exe	regsvr32.exe
PID 1936 wrote to memory of 1452	1936	regsvr32.exe	regsvr32.exe
PID 1452 wrote to memory of 1060	1452	regsvr32.exe	explorer.exe
PID 1452 wrote to memory of 1060	1452	regsvr32.exe	explorer.exe
PID 1452 wrote to memory of 1060	1452	regsvr32.exe	explorer.exe
PID 1452 wrote to memory of 1060	1452	regsvr32.exe	explorer.exe
PID 1452 wrote to memory of 1060	1452	regsvr32.exe	explorer.exe
PID 1452 wrote to memory of 1060	1452	regsvr32.exe	explorer.exe
PID 1060 wrote to memory of 1676	1060	explorer.exe	reg.exe
PID 1060 wrote to memory of 1676	1060	explorer.exe	reg.exe
PID 1060 wrote to memory of 1676	1060	explorer.exe	reg.exe
PID 1060 wrote to memory of 1676	1060	explorer.exe	reg.exe
PID 1060 wrote to memory of 1672	1060	explorer.exe	reg.exe
PID 1060 wrote to memory of 1672	1060	explorer.exe	reg.exe
PID 1060 wrote to memory of 1672	1060	explorer.exe	reg.exe
PID 1060 wrote to memory of 1672	1060	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\tmp\572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\tmp\572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1916
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn kozqmzkqw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\tmp\572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll\"" /SC ONCE /Z /ST 13:25 /ET 13:37
      4⤵
      Creates scheduled task(s)
      PID:584

C:\Windows\system32\taskeng.exe
taskeng.exe {DE9953FB-B91C-4DB6-AA45-28CEC24816E0} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\tmp\572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\tmp\572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1452
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      Modifies data under HKEY_USERS
      Suspicious use of WriteProcessMemory
      PID:1060
    - - 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\Kowjbupx" /d "0"
        5⤵
        
        PID:1676
    - - 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\Yxedikt" /d "0"
        5⤵
        
        PID:1672

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\tmp\572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll

MD5
c9ae9aeb3efdf16c273d7631715255b7

SHA1
1fa1055cf79240644e5dba166e20c537e8828e4f

SHA256
572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc

SHA512
e288bba8d0c2c97743ac83dc46ab7dfc16cb7b636fce305ae4010b5f6c9a3a40c06ab690a21205a3134a93442c3adf04a1893b9c9cfee38e9fe2a631dd86f8b8

Download Submit
\Users\Admin\AppData\Local\Temp\tmp\572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc.exe.dll

MD5
c9ae9aeb3efdf16c273d7631715255b7

SHA1
1fa1055cf79240644e5dba166e20c537e8828e4f

SHA256
572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc

SHA512
e288bba8d0c2c97743ac83dc46ab7dfc16cb7b636fce305ae4010b5f6c9a3a40c06ab690a21205a3134a93442c3adf04a1893b9c9cfee38e9fe2a631dd86f8b8

Download Submit
memory/584-62-0x0000000000000000-mapping.dmp

Download
memory/796-53-0x000007FEFBE61000-0x000007FEFBE63000-memory.dmp

Filesize
8KB

Download
memory/1060-74-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1060-71-0x0000000000000000-mapping.dmp

Download
memory/1452-67-0x0000000000000000-mapping.dmp

Download
memory/1672-76-0x0000000000000000-mapping.dmp

Download
memory/1676-75-0x0000000000000000-mapping.dmp

Download
memory/1748-57-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download
memory/1748-56-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/1748-55-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1748-54-0x0000000000000000-mapping.dmp

Download
memory/1916-61-0x00000000746C1000-0x00000000746C3000-memory.dmp

Filesize
8KB

Download
memory/1916-59-0x0000000000000000-mapping.dmp

Download
memory/1916-63-0x00000000000C0000-0x00000000000E1000-memory.dmp

Filesize
132KB

Download
memory/1916-58-0x00000000000F0000-0x00000000000F2000-memory.dmp

Filesize
8KB

Download
memory/1936-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads