qakbot | 9421d630f001d0b43c12f4d8c1a9b5debf7a11db9e213b2f0d8eaba6a09f3d5d

General

Target

6_.png.dll
Size

680KB
MD5

3c6ed4aa4bf4dbabd4bf8f939f159325
SHA1

56f3a16071c8cfb9ebc1887f92dec9cb38d787de
SHA256

9421d630f001d0b43c12f4d8c1a9b5debf7a11db9e213b2f0d8eaba6a09f3d5d
SHA512

a4682a7231607d4293754736783feaffe895b6c0301808dcf654f80918bb27f7a9e14b574337ea5512abe26ada9c3989883b4d6b0e0117bece232b2a443257b0

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

1528 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

848 schtasks.exe

pid	process
1528	regsvr32.exe

pid	process
848	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\4c6057fb = 02b8011ae74123a1ad92de1327e1a6469899c7414ad895f31171d3fd0fc9ee827952db36c5e28aaf2b8586dff7e2788dab22750910	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Jrrjanx	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\c143e0d0 = 145d2b5a7823162b7f212861354878189f545a45e4c80d8a39928da8	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\8b955f68 = 53868ddaa0105833148299bf6044273c181772cb97aa47a79f78f5ae8b462dfea72dc4aca28f55cbeb36535d70b729e0fa9c37ebe95b3a2a44	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\3329380d = 6ad74eee470a5fb0da1885d4cbabaf7401fea7842b0dbe9a8ea66efb53c97308af0eb054207161994f4475bbb2f7782ce2dd470f0b3d863ba428568895bd1b86beb048	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\be0a8f26 = 4d0819c76c7773fc5bc7356092e3242481672c2ef5f8	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\c143e0d0 = 145d3c5a782323572da0aede21659f4ed97dd3bfcb82543d27b03b0d0c2d977d39f8430cc3b0537a08895fba50d8e3d1e2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\f4dc309e = 5f12b65ce5cfa1a5b5287349770e220146d30ad3c93e5558b249026f74e81997563d08c5455f543a2bcb42c6ee9bfced452d523f7c820d47ab732f07be3207c8758a66e97b9fe567adef18931b3cebfed6a028307e368bedcc02018f418bbf840d8664354325e765e978939aa8241909c4af0aa10759c2671b093f09f3720fbebefd5ad7576e60df	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\f69d10e2 = 4842c13d83b15c1e8c1e774030d44bcf9f9151b982362ea50b2985ededd818654eed44d437e8d716cebd849463731f13eb0a5704d6a0963e0164e1bffe71da26ed301b840caa2c771133d2900f272b3947	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Jrrjanx\4e217787 = 2221ace3d5224935e56c10bd98725770db8ee048b9b428c98ea637f70e78b360ee2cb78415c58976d740fb070a69e97ddafb199a3f571f5be8d9c0d8a19a99addc0219b9329d9b8ee135f055028209fc5638e472	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1680 regsvr32.exe
1528 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1680 regsvr32.exe
1528 regsvr32.exe

pid	process
1680	regsvr32.exe
1528	regsvr32.exe

pid	process
1680	regsvr32.exe
1528	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1608 wrote to memory of 1680	1608	regsvr32.exe	regsvr32.exe
PID 1608 wrote to memory of 1680	1608	regsvr32.exe	regsvr32.exe
PID 1608 wrote to memory of 1680	1608	regsvr32.exe	regsvr32.exe
PID 1608 wrote to memory of 1680	1608	regsvr32.exe	regsvr32.exe
PID 1608 wrote to memory of 1680	1608	regsvr32.exe	regsvr32.exe
PID 1608 wrote to memory of 1680	1608	regsvr32.exe	regsvr32.exe
PID 1608 wrote to memory of 1680	1608	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 1712	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 1712	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 1712	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 1712	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 1712	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 1712	1680	regsvr32.exe	explorer.exe
PID 1712 wrote to memory of 848	1712	explorer.exe	schtasks.exe
PID 1712 wrote to memory of 848	1712	explorer.exe	schtasks.exe
PID 1712 wrote to memory of 848	1712	explorer.exe	schtasks.exe
PID 1712 wrote to memory of 848	1712	explorer.exe	schtasks.exe
PID 1536 wrote to memory of 1232	1536	taskeng.exe	regsvr32.exe
PID 1536 wrote to memory of 1232	1536	taskeng.exe	regsvr32.exe
PID 1536 wrote to memory of 1232	1536	taskeng.exe	regsvr32.exe
PID 1536 wrote to memory of 1232	1536	taskeng.exe	regsvr32.exe
PID 1536 wrote to memory of 1232	1536	taskeng.exe	regsvr32.exe
PID 1232 wrote to memory of 1528	1232	regsvr32.exe	regsvr32.exe
PID 1232 wrote to memory of 1528	1232	regsvr32.exe	regsvr32.exe
PID 1232 wrote to memory of 1528	1232	regsvr32.exe	regsvr32.exe
PID 1232 wrote to memory of 1528	1232	regsvr32.exe	regsvr32.exe
PID 1232 wrote to memory of 1528	1232	regsvr32.exe	regsvr32.exe
PID 1232 wrote to memory of 1528	1232	regsvr32.exe	regsvr32.exe
PID 1232 wrote to memory of 1528	1232	regsvr32.exe	regsvr32.exe
PID 1528 wrote to memory of 984	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 984	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 984	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 984	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 984	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 984	1528	regsvr32.exe	explorer.exe
PID 984 wrote to memory of 1692	984	explorer.exe	reg.exe
PID 984 wrote to memory of 1692	984	explorer.exe	reg.exe
PID 984 wrote to memory of 1692	984	explorer.exe	reg.exe
PID 984 wrote to memory of 1692	984	explorer.exe	reg.exe
PID 984 wrote to memory of 1936	984	explorer.exe	reg.exe
PID 984 wrote to memory of 1936	984	explorer.exe	reg.exe
PID 984 wrote to memory of 1936	984	explorer.exe	reg.exe
PID 984 wrote to memory of 1936	984	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6_.png.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6_.png.dll
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1712
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cbzxcnp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\6_.png.dll\"" /SC ONCE /Z /ST 14:13 /ET 14:25
      4⤵
      Creates scheduled task(s)
      PID:848

C:\Windows\system32\taskeng.exe
taskeng.exe {90727335-083C-48F2-BBAA-BB9A2CC27069} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\6_.png.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1232
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\6_.png.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      Modifies data under HKEY_USERS
      Suspicious use of WriteProcessMemory
      PID:984
    - - 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\Ujuwefaop" /d "0"
        5⤵
        
        PID:1692
    - - 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\Pemzdnfytzug" /d "0"
        5⤵
        
        PID:1936

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\6_.png.dll

MD5
3c6ed4aa4bf4dbabd4bf8f939f159325

SHA1
56f3a16071c8cfb9ebc1887f92dec9cb38d787de

SHA256
9421d630f001d0b43c12f4d8c1a9b5debf7a11db9e213b2f0d8eaba6a09f3d5d

SHA512
a4682a7231607d4293754736783feaffe895b6c0301808dcf654f80918bb27f7a9e14b574337ea5512abe26ada9c3989883b4d6b0e0117bece232b2a443257b0

Download Submit
\??\PIPE\wkssvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\6_.png.dll

MD5
3c6ed4aa4bf4dbabd4bf8f939f159325

SHA1
56f3a16071c8cfb9ebc1887f92dec9cb38d787de

SHA256
9421d630f001d0b43c12f4d8c1a9b5debf7a11db9e213b2f0d8eaba6a09f3d5d

SHA512
a4682a7231607d4293754736783feaffe895b6c0301808dcf654f80918bb27f7a9e14b574337ea5512abe26ada9c3989883b4d6b0e0117bece232b2a443257b0

Download Submit
memory/848-64-0x0000000000000000-mapping.dmp

Download
memory/984-78-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/984-73-0x0000000000000000-mapping.dmp

Download
memory/1232-66-0x0000000000000000-mapping.dmp

Download
memory/1528-69-0x0000000000000000-mapping.dmp

Download
memory/1608-55-0x000007FEFB731000-0x000007FEFB733000-memory.dmp

Filesize
8KB

Download
memory/1680-58-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1680-59-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download
memory/1680-57-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1680-56-0x0000000000000000-mapping.dmp

Download
memory/1692-77-0x0000000000000000-mapping.dmp

Download
memory/1712-63-0x0000000074131000-0x0000000074133000-memory.dmp

Filesize
8KB

Download
memory/1712-65-0x00000000000D0000-0x00000000000F1000-memory.dmp

Filesize
132KB

Download
memory/1712-61-0x0000000000000000-mapping.dmp

Download
memory/1712-60-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1936-79-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads