qakbot | 41e4f5fbda2ad5c78e1095883de16afd78d763dfabd7fcaa30465d322942bd5c

General

Target

6__.png.dll
Size

680KB
MD5

9145d84eb68c63694d713b88574ef3fa
SHA1

0f50484c150f74e004deef479712626bffa1bc92
SHA256

41e4f5fbda2ad5c78e1095883de16afd78d763dfabd7fcaa30465d322942bd5c
SHA512

2bcf775eee099cea1381e8dc92c2ec01cb7ca2c37db8f413eac69fdf303d613633dba7c316705ebe38aacdb39779823ad733a442ec88bb8ec41a5f33e13e5fe8

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

1312 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

1528 schtasks.exe

pid	process
1312	regsvr32.exe

pid	process
1528	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\a8d4a317 = e0a2496b8721aa73a622cf7100a25877b5b67dc93c022b8c17bd38e11c20d65862e603c8dfb4547d1945aeb78e6f87fb25f69e914baf9ca82ad6cc87fc6b0e0db5f42cffc7a9e7dd049619c2227f0b8aefbde00385c2c09b532ce038dd4d52c03ada	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\9d4b7359 = 2dc3cd05d58bce0d4ca102c3f8f7adb5b56c743f27bbe2ff3faa95aa47fc9bd9c66dd3d63db9171bcdec5e4ff0e4ce5f293ace8e1a693c9ab09be1a848ca89d268934108a7e523303d9cdaebaf8e5814daa6275eb63f5963643238ddb3017d975c9800bebc5ee2eceec245dc7bff2f79a7c3039e413bb83f82d1d66782b160	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\5abe7bca = ee8dcff81d3df3b31a42ef59b13fc90084391e44582bc13569b9dabb3b7c8a415b29e408a3d420e09c2b8fe99fb4ced8cf0818616246826fb05c6253	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\e2021caf = b4128445c087450f953d4a94c33603770499ec60b63d62947598a7057dc1cc39ac8e529adc312be56215782fdf56666e360941372ee31cde55bf87f5411f9a6929f36f3ebc	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\a8d4a317 = e0a25e6b87219f603b9f0443a7cb5c2ebeea6815f718bf952292ad96c05f78ccce249ad80566fe5a3bd15d19e5f6a8f8863611814978c41268d4d9a45ef22c1524d156ff4221b6de374abba76a55afacce6aa850942d071fa384d5357467e39a6ee3e2ad0702bd5ea68e7659329f32cd76bbca6c224909	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Bnoanuxufi	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\9f0a5325 = 911cc05a631e5085ff0731306ea4aa21e55ce3cedd0a2e8483777e019379119a9b89ad4437e05657ae92fd83b1c24dba6d4b83005adc129dc9931047fbb9dd66f5d652efe638ef	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\27b63440 = 0050c7df358ecee30ae89b9db6dae11fb1d50327051474ed049275dac1e200010fece9fcfc852d085a014134c46b471c3684866ec4336f33d7	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\25f7143c = c7c30ce10df25f30c0a09739a54f71e391061d3a6e8d7fa6d9e60ee0b4a860eb8c3fabc3f145ca304cb1f7ef7d943ba192b0c2936c4068918728565d5db4cd0021b2a8c823adf83339e8b8a86e40b2b674aa5429f7eb0a6abd9cd967628aec0ae76a7e8e0a13b678916cbb3099dca218	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bnoanuxufi\d79dcce1 = 97d5a5c18080a74143d7f98420c96e1da0c725c243802a71b0790cb763ef17bfc42f813bdee3fdb5c967219572bfd8640eb7f23ca489a2104c9aeb70e465cef2493279549c755bc28cc03d805a93b6343d	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1664 regsvr32.exe
1312 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1664 regsvr32.exe
1312 regsvr32.exe

pid	process
1664	regsvr32.exe
1312	regsvr32.exe

pid	process
1664	regsvr32.exe
1312	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 948 wrote to memory of 1664	948	regsvr32.exe	regsvr32.exe
PID 948 wrote to memory of 1664	948	regsvr32.exe	regsvr32.exe
PID 948 wrote to memory of 1664	948	regsvr32.exe	regsvr32.exe
PID 948 wrote to memory of 1664	948	regsvr32.exe	regsvr32.exe
PID 948 wrote to memory of 1664	948	regsvr32.exe	regsvr32.exe
PID 948 wrote to memory of 1664	948	regsvr32.exe	regsvr32.exe
PID 948 wrote to memory of 1664	948	regsvr32.exe	regsvr32.exe
PID 1664 wrote to memory of 1612	1664	regsvr32.exe	explorer.exe
PID 1664 wrote to memory of 1612	1664	regsvr32.exe	explorer.exe
PID 1664 wrote to memory of 1612	1664	regsvr32.exe	explorer.exe
PID 1664 wrote to memory of 1612	1664	regsvr32.exe	explorer.exe
PID 1664 wrote to memory of 1612	1664	regsvr32.exe	explorer.exe
PID 1664 wrote to memory of 1612	1664	regsvr32.exe	explorer.exe
PID 1612 wrote to memory of 1528	1612	explorer.exe	schtasks.exe
PID 1612 wrote to memory of 1528	1612	explorer.exe	schtasks.exe
PID 1612 wrote to memory of 1528	1612	explorer.exe	schtasks.exe
PID 1612 wrote to memory of 1528	1612	explorer.exe	schtasks.exe
PID 2008 wrote to memory of 1036	2008	taskeng.exe	regsvr32.exe
PID 2008 wrote to memory of 1036	2008	taskeng.exe	regsvr32.exe
PID 2008 wrote to memory of 1036	2008	taskeng.exe	regsvr32.exe
PID 2008 wrote to memory of 1036	2008	taskeng.exe	regsvr32.exe
PID 2008 wrote to memory of 1036	2008	taskeng.exe	regsvr32.exe
PID 1036 wrote to memory of 1312	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1312	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1312	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1312	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1312	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1312	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1312	1036	regsvr32.exe	regsvr32.exe
PID 1312 wrote to memory of 1404	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 1404	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 1404	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 1404	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 1404	1312	regsvr32.exe	explorer.exe
PID 1312 wrote to memory of 1404	1312	regsvr32.exe	explorer.exe
PID 1404 wrote to memory of 1960	1404	explorer.exe	reg.exe
PID 1404 wrote to memory of 1960	1404	explorer.exe	reg.exe
PID 1404 wrote to memory of 1960	1404	explorer.exe	reg.exe
PID 1404 wrote to memory of 1960	1404	explorer.exe	reg.exe
PID 1404 wrote to memory of 2024	1404	explorer.exe	reg.exe
PID 1404 wrote to memory of 2024	1404	explorer.exe	reg.exe
PID 1404 wrote to memory of 2024	1404	explorer.exe	reg.exe
PID 1404 wrote to memory of 2024	1404	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:948
- 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:1664
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1612
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nocrxogos /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\6__.png.dll\"" /SC ONCE /Z /ST 13:12 /ET 13:24
      4⤵
      Creates scheduled task(s)
      PID:1528

C:\Windows\system32\taskeng.exe
taskeng.exe {1D3E2A38-94D0-4AEC-922D-93FD301F7408} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\6__.png.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1036
- - 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:1312
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      Modifies data under HKEY_USERS
      Suspicious use of WriteProcessMemory
      PID:1404
    - - 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\Enyod" /d "0"
        5⤵
        
        PID:1960
    - - 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\Xexipeoeie" /d "0"
        5⤵
        
        PID:2024

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
9145d84eb68c63694d713b88574ef3fa

SHA1
0f50484c150f74e004deef479712626bffa1bc92

SHA256
41e4f5fbda2ad5c78e1095883de16afd78d763dfabd7fcaa30465d322942bd5c

SHA512
2bcf775eee099cea1381e8dc92c2ec01cb7ca2c37db8f413eac69fdf303d613633dba7c316705ebe38aacdb39779823ad733a442ec88bb8ec41a5f33e13e5fe8

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

MD5
9145d84eb68c63694d713b88574ef3fa

SHA1
0f50484c150f74e004deef479712626bffa1bc92

SHA256
41e4f5fbda2ad5c78e1095883de16afd78d763dfabd7fcaa30465d322942bd5c

SHA512
2bcf775eee099cea1381e8dc92c2ec01cb7ca2c37db8f413eac69fdf303d613633dba7c316705ebe38aacdb39779823ad733a442ec88bb8ec41a5f33e13e5fe8

Download Submit
memory/948-54-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

Filesize
8KB

Download
memory/1036-65-0x0000000000000000-mapping.dmp

Download
memory/1312-71-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/1312-68-0x0000000000000000-mapping.dmp

Download
memory/1404-78-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1404-73-0x0000000000000000-mapping.dmp

Download
memory/1528-64-0x0000000000000000-mapping.dmp

Download
memory/1612-58-0x0000000000000000-mapping.dmp

Download
memory/1612-63-0x0000000000120000-0x0000000000141000-memory.dmp

Filesize
132KB

Download
memory/1612-60-0x00000000743C1000-0x00000000743C3000-memory.dmp

Filesize
8KB

Download
memory/1612-57-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1664-61-0x00000000001C0000-0x0000000000240000-memory.dmp

Filesize
512KB

Download
memory/1664-62-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download
memory/1664-56-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1664-55-0x0000000000000000-mapping.dmp

Download
memory/1960-76-0x0000000000000000-mapping.dmp

Download
memory/2024-77-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads