qakbot | 572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc

General

Target

oel1.ocx.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

1396 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

1056 schtasks.exe

pid	process
1396	regsvr32.exe

pid	process
1056	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\39ef59f5 = d4c1b1ab603ddd5119ae3af7f055d17804536fc381e8aab991d0799ecdad92b11c97d8417be681f7105c	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\39ef59f5 = d4c1a6ab603de8d505d954fcf1df8d271d769204ec	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\7339e64d = 5cf0508fccc2ce98e3fe27347d7b9a3784309fc2d3c13f6bfa4aef0ab6acb3ee71580eaa1384136903557b1fceef9b77a147c8c67199aa5dbe8336d24207aee38182e6d109	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\b4cceede = be396f9f95e489f0c470c6587651fe95a507b68f3222c31e67c66a153be8882064ae12c79a013a96b4a9583b6bebd5177a439d1ebb45ffe8b31827a2846f3fc1ed69923a1c83021d782d1957db2ea3be	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\46a63603 = 547bbbf83fb5383cc7f044a4b9e95288b7f734f6643f618623f21ad5189fae0847c0dd4ce5514327409f195275fe63d62f5fdefce534d352be72737e1f21afdf5de9f8bb2a52c3	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\c7089bb = d87b58fc028310fb078cbe237583af42cae01fc8924f882812ecbbb4dfbe3416dd3215dbda6c0305b263ea85fccfd1b020303b9015714e647dc98e5b282eec981f559f6dbad1d282f0adafe3f6bad2db5ad17345bf2307be9e0f4e46cdc49516fec9a855ff4932d11529b148d39ad87ccd680a24fe5e04960b5f773dbefdc3bcfa1974e1d86ad31fb69be484d17417eaa16a30d6fb653bc200a3126f1ea4f47cebc610916d234316cdeedd916a043280c8cf01b2e9	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\e31a9c7 = 26951b88469273882bb80ccebf28f8f04b956c1cfae1	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\b68dcea2 = fab46c95cab25aadf42f3f17c27dfbfdef5bfc8b671bd14ea9b3e467bc2aae5d36f6399b1299f0320124ee0a2d23477498a6e89ad12ef48a05a916158be462dc03ce5553850c66f89d190af516cef295072370	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Huwmbpps\cb858128 = 91ef792c1a823cec7a1dd16cd0c023fa9e94e980eadb6d3814c95e7319d60caf1e	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3308 regsvr32.exe
3308 regsvr32.exe
1396 regsvr32.exe
1396 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3308 regsvr32.exe
1396 regsvr32.exe

pid	process
3308	regsvr32.exe
3308	regsvr32.exe
1396	regsvr32.exe
1396	regsvr32.exe

pid	process
3308	regsvr32.exe
1396	regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 3240 wrote to memory of 3308	3240	regsvr32.exe	regsvr32.exe
PID 3240 wrote to memory of 3308	3240	regsvr32.exe	regsvr32.exe
PID 3240 wrote to memory of 3308	3240	regsvr32.exe	regsvr32.exe
PID 3308 wrote to memory of 808	3308	regsvr32.exe	explorer.exe
PID 3308 wrote to memory of 808	3308	regsvr32.exe	explorer.exe
PID 3308 wrote to memory of 808	3308	regsvr32.exe	explorer.exe
PID 3308 wrote to memory of 808	3308	regsvr32.exe	explorer.exe
PID 3308 wrote to memory of 808	3308	regsvr32.exe	explorer.exe
PID 808 wrote to memory of 1056	808	explorer.exe	schtasks.exe
PID 808 wrote to memory of 1056	808	explorer.exe	schtasks.exe
PID 808 wrote to memory of 1056	808	explorer.exe	schtasks.exe
PID 2780 wrote to memory of 1396	2780	regsvr32.exe	regsvr32.exe
PID 2780 wrote to memory of 1396	2780	regsvr32.exe	regsvr32.exe
PID 2780 wrote to memory of 1396	2780	regsvr32.exe	regsvr32.exe
PID 1396 wrote to memory of 688	1396	regsvr32.exe	explorer.exe
PID 1396 wrote to memory of 688	1396	regsvr32.exe	explorer.exe
PID 1396 wrote to memory of 688	1396	regsvr32.exe	explorer.exe
PID 1396 wrote to memory of 688	1396	regsvr32.exe	explorer.exe
PID 1396 wrote to memory of 688	1396	regsvr32.exe	explorer.exe
PID 688 wrote to memory of 1488	688	explorer.exe	reg.exe
PID 688 wrote to memory of 1488	688	explorer.exe	reg.exe
PID 688 wrote to memory of 2260	688	explorer.exe	reg.exe
PID 688 wrote to memory of 2260	688	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\oel1.ocx.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\oel1.ocx.dll
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3308
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:808
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ptcfaikt /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\oel1.ocx.dll\"" /SC ONCE /Z /ST 12:03 /ET 12:15
      4⤵
      Creates scheduled task(s)
      PID:1056

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\oel1.ocx.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\regsvr32.exe
  -s "C:\Users\Admin\AppData\Local\Temp\oel1.ocx.dll"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Modifies data under HKEY_USERS
    - Suspicious use of WriteProcessMemory
    PID:688
  - - 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\Ooyrfl" /d "0"
      4⤵
      PID:1488
  - - 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\Kcnpjwfg" /d "0"
      4⤵
      PID:2260

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\oel1.ocx.dll

MD5
c9ae9aeb3efdf16c273d7631715255b7

SHA1
1fa1055cf79240644e5dba166e20c537e8828e4f

SHA256
572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc

SHA512
e288bba8d0c2c97743ac83dc46ab7dfc16cb7b636fce305ae4010b5f6c9a3a40c06ab690a21205a3134a93442c3adf04a1893b9c9cfee38e9fe2a631dd86f8b8

Download Submit
\Users\Admin\AppData\Local\Temp\oel1.ocx.dll

MD5
c9ae9aeb3efdf16c273d7631715255b7

SHA1
1fa1055cf79240644e5dba166e20c537e8828e4f

SHA256
572c9105266e1390706b72023ad785e461fd8d908e4ca04e7e7599bd3fab12fc

SHA512
e288bba8d0c2c97743ac83dc46ab7dfc16cb7b636fce305ae4010b5f6c9a3a40c06ab690a21205a3134a93442c3adf04a1893b9c9cfee38e9fe2a631dd86f8b8

Download Submit
memory/688-127-0x0000000000000000-mapping.dmp

Download
memory/688-131-0x0000000003860000-0x0000000003861000-memory.dmp

Filesize
4KB

Download
memory/688-132-0x00000000034F0000-0x0000000003511000-memory.dmp

Filesize
132KB

Download
memory/688-130-0x0000000003860000-0x0000000003861000-memory.dmp

Filesize
4KB

Download
memory/808-119-0x0000000000800000-0x0000000000821000-memory.dmp

Filesize
132KB

Download
memory/808-121-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/808-122-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/808-118-0x0000000000000000-mapping.dmp

Download
memory/1056-120-0x0000000000000000-mapping.dmp

Download
memory/1396-124-0x0000000000000000-mapping.dmp

Download
memory/1396-126-0x0000000000800000-0x000000000094A000-memory.dmp

Filesize
1.3MB

Download
memory/1488-128-0x0000000000000000-mapping.dmp

Download
memory/2260-129-0x0000000000000000-mapping.dmp

Download
memory/3308-115-0x0000000000000000-mapping.dmp

Download
memory/3308-116-0x0000000000800000-0x000000000094A000-memory.dmp

Filesize
1.3MB

Download
memory/3308-117-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads