qakbot | 2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a

General

Target

2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.dll
Size

512KB
MD5

d4886eaaba8098359b70d264487b550c
SHA1

d4e44d49440c37d6b542e01827c76913697e14c2
SHA256

2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a
SHA512

5cd3f784c98cdb4f78a4e694a7bed892905058440c9b2109a6105b5d5746cd866a114e589ec909d5eb82ce9c48bc739c82a927876dec2e06ae64d52e4111b2d9

Score

10^/10

qakbot cullinan 1639742517 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639742517

C2

50.238.6.36:443

92.167.4.71:2222

89.137.52.44:443

105.198.236.99:995

117.248.109.38:21

106.51.48.170:50001

120.150.218.241:995

190.73.3.148:2222

182.56.53.180:443

186.64.87.213:443

103.142.10.177:443

65.100.174.110:443

96.21.251.127:2222

24.95.61.62:443

194.36.28.26:443

182.191.92.203:995

41.228.22.180:443

63.143.92.99:995

41.200.112.42:443

103.143.8.71:995

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

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

732 schtasks.exe

pid	process
1528	regsvr32.exe

pid	process
732	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\a5f156e9 = 508d31faf1704ea16a74fd441ab0fbb0e6a356a246d9b8188ad74c17b6c8b8b3543321d029fec2772e22a793d65c10e9bea707	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\d8f91963 = 73bf953a6c9749e815586a9337ae0ec21d7b416cb2baa348d602ac66f0	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\55daae48 = 03f8b4bb3ba8f292e12436412326a30eb65c285c57ea848b59086e4c689707e2f8442926af4baa544f4ebfe091500daa3cb3f86925c82124b46cbe7ef882ead4f6be0d8f7fc34e2d16edc104e82daee8f1ab92ec	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Pwlbehao	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\2a93c1be = 655f086bc809b871a02b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\1f0c11f0 = 09ed5bf25a83090307aeb5b2b54ba708a343413f8d9b5cdc26f0efd2b2b8b101e10a0c112d44299d9843d85bd9ebf0d1b5e62b2e9fabc85ae55071a91c733e51319a50fe3e560a1f2699fad87fc65fcdb635278c420ffed427e1b4f6e00c703857f65f217af7828f8ec11a7722848606546a3546c030d4087f311d76b8c4ba0389cfb98dc81383b718ed4791544950ee586a301b1f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\2a93c1be = 655f1f6bc8098d6e00276ea95b613321739e45068bddf07ac86a8e649438b5	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\1d4d318c = 4cfa2b36d9654e4b533fbd51edf4c7df77ac677a20aa2010ac9aaa24d797c50fa17c8addada1ec81fe603ff0192ad9d3b025a5b3addf7ee4b03715541f3c74faaae842f0441bab7b763ee209ce140a73bd9fa6ff	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\60457e06 = 8d6fa3b3b002c0474d9d0c9a8f0cabaa41f1c60bf6fdd6f27f205994dab2764c91662fe192555146320bb8140005ea77	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pwlbehao\a7b07695 = d51a697ba9e6aed44439a1258294b1daa156d576bfc24dbbb52da9cd7f7cecdaa29c7873fcf53d69ff05dbc150bb3ab49064fd3acf3ef09ee36e0b421e8fc7dde4c08391fc1d3098eebf75cdcbbb7d5176e4f0e8558ec6448f8ad109d853f4e5b9e5e2268725afd6da	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1688 rundll32.exe
1528 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1688 rundll32.exe
1528 regsvr32.exe

pid	process
1688	rundll32.exe
1528	regsvr32.exe

pid	process
1688	rundll32.exe
1528	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1712 wrote to memory of 1688	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1688	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1688	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1688	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1688	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1688	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1688	1712	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 376	1688	rundll32.exe	explorer.exe
PID 1688 wrote to memory of 376	1688	rundll32.exe	explorer.exe
PID 1688 wrote to memory of 376	1688	rundll32.exe	explorer.exe
PID 1688 wrote to memory of 376	1688	rundll32.exe	explorer.exe
PID 1688 wrote to memory of 376	1688	rundll32.exe	explorer.exe
PID 1688 wrote to memory of 376	1688	rundll32.exe	explorer.exe
PID 376 wrote to memory of 732	376	explorer.exe	schtasks.exe
PID 376 wrote to memory of 732	376	explorer.exe	schtasks.exe
PID 376 wrote to memory of 732	376	explorer.exe	schtasks.exe
PID 376 wrote to memory of 732	376	explorer.exe	schtasks.exe
PID 828 wrote to memory of 1896	828	taskeng.exe	regsvr32.exe
PID 828 wrote to memory of 1896	828	taskeng.exe	regsvr32.exe
PID 828 wrote to memory of 1896	828	taskeng.exe	regsvr32.exe
PID 828 wrote to memory of 1896	828	taskeng.exe	regsvr32.exe
PID 828 wrote to memory of 1896	828	taskeng.exe	regsvr32.exe
PID 1896 wrote to memory of 1528	1896	regsvr32.exe	regsvr32.exe
PID 1896 wrote to memory of 1528	1896	regsvr32.exe	regsvr32.exe
PID 1896 wrote to memory of 1528	1896	regsvr32.exe	regsvr32.exe
PID 1896 wrote to memory of 1528	1896	regsvr32.exe	regsvr32.exe
PID 1896 wrote to memory of 1528	1896	regsvr32.exe	regsvr32.exe
PID 1896 wrote to memory of 1528	1896	regsvr32.exe	regsvr32.exe
PID 1896 wrote to memory of 1528	1896	regsvr32.exe	regsvr32.exe
PID 1528 wrote to memory of 1732	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 1732	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 1732	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 1732	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 1732	1528	regsvr32.exe	explorer.exe
PID 1528 wrote to memory of 1732	1528	regsvr32.exe	explorer.exe
PID 1732 wrote to memory of 1068	1732	explorer.exe	reg.exe
PID 1732 wrote to memory of 1068	1732	explorer.exe	reg.exe
PID 1732 wrote to memory of 1068	1732	explorer.exe	reg.exe
PID 1732 wrote to memory of 1068	1732	explorer.exe	reg.exe
PID 1732 wrote to memory of 636	1732	explorer.exe	reg.exe
PID 1732 wrote to memory of 636	1732	explorer.exe	reg.exe
PID 1732 wrote to memory of 636	1732	explorer.exe	reg.exe
PID 1732 wrote to memory of 636	1732	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:376

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn csyffla /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.dll\"" /SC ONCE /Z /ST 20:02 /ET 20:14
4⤵
- Creates scheduled task(s)
PID:732

C:\Windows\system32\taskeng.exe
taskeng.exe {A6D3815A-8659-497E-A9C4-337DEB4844B9} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:828

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.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:1732

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\Epguq" /d "0"
5⤵
PID:1068

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\Voonnea" /d "0"
5⤵
PID:636

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Disabling Security Tools

1

T1089

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.dll
MD5
d4886eaaba8098359b70d264487b550c

SHA1
d4e44d49440c37d6b542e01827c76913697e14c2

SHA256
2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a

SHA512
5cd3f784c98cdb4f78a4e694a7bed892905058440c9b2109a6105b5d5746cd866a114e589ec909d5eb82ce9c48bc739c82a927876dec2e06ae64d52e4111b2d9

Download Submit
\Users\Admin\AppData\Local\Temp\2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a.dll
MD5
d4886eaaba8098359b70d264487b550c

SHA1
d4e44d49440c37d6b542e01827c76913697e14c2

SHA256
2ae9bc0c743b08c02a4a3b17f3d005e746a965cf1233f8ada31a3903c3021a7a

SHA512
5cd3f784c98cdb4f78a4e694a7bed892905058440c9b2109a6105b5d5746cd866a114e589ec909d5eb82ce9c48bc739c82a927876dec2e06ae64d52e4111b2d9

Download Submit
memory/376-63-0x00000000000F0000-0x00000000000F2000-memory.dmp

Filesize
8KB

Download
memory/376-68-0x00000000000C0000-0x00000000000E1000-memory.dmp

Filesize
132KB

Download
memory/376-66-0x0000000074641000-0x0000000074643000-memory.dmp

Filesize
8KB

Download
memory/376-64-0x0000000000000000-mapping.dmp

Download
memory/636-87-0x0000000000000000-mapping.dmp

Download
memory/732-67-0x0000000000000000-mapping.dmp

Download
memory/1068-86-0x0000000000000000-mapping.dmp

Download
memory/1528-77-0x0000000000300000-0x0000000000321000-memory.dmp

Filesize
132KB

Download
memory/1528-81-0x0000000000300000-0x0000000000321000-memory.dmp

Filesize
132KB

Download
memory/1528-80-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1528-79-0x0000000000300000-0x0000000000321000-memory.dmp

Filesize
132KB

Download
memory/1528-78-0x0000000000300000-0x0000000000321000-memory.dmp

Filesize
132KB

Download
memory/1528-76-0x0000000000300000-0x0000000000321000-memory.dmp

Filesize
132KB

Download
memory/1528-75-0x0000000000580000-0x0000000000604000-memory.dmp

Filesize
528KB

Download
memory/1528-72-0x0000000000000000-mapping.dmp

Download
memory/1688-61-0x0000000000A10000-0x0000000000A31000-memory.dmp

Filesize
132KB

Download
memory/1688-60-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1688-56-0x0000000000A40000-0x0000000000A61000-memory.dmp

Filesize
132KB

Download
memory/1688-54-0x0000000076421000-0x0000000076423000-memory.dmp

Filesize
8KB

Download
memory/1688-53-0x0000000000000000-mapping.dmp

Download
memory/1688-59-0x0000000000A40000-0x0000000000A61000-memory.dmp

Filesize
132KB

Download
memory/1688-55-0x0000000000700000-0x0000000000784000-memory.dmp

Filesize
528KB

Download
memory/1688-58-0x0000000000A40000-0x0000000000A61000-memory.dmp

Filesize
132KB

Download
memory/1688-62-0x0000000000A40000-0x0000000000A61000-memory.dmp

Filesize
132KB

Download
memory/1688-57-0x0000000000A40000-0x0000000000A61000-memory.dmp

Filesize
132KB

Download
memory/1732-83-0x0000000000000000-mapping.dmp

Download
memory/1732-88-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1896-70-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

Filesize
8KB

Download
memory/1896-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads