qakbot | 7b6d3705f7ccaef8c02bec0ed001e64dbf7315e225748d67068f573a10298bd4

General

Target

yuxuvnox.dll
Size

499KB
MD5

2fc35802a426fed3defcda68a2b31dbb
SHA1

52c27242713e4063db475559bac4f014e342388c
SHA256

7b6d3705f7ccaef8c02bec0ed001e64dbf7315e225748d67068f573a10298bd4
SHA512

fc877a8950f64fdd51d4aee0aae23dd62a7e1734d44ad7bb1183d23e54f6a42861b5d396dbe249da36b90728e7e3d9dba2f3fbb2b4a3af07f2eb31328b62940c

Score

10^/10

qakbot notset 1632819510 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

notset

Campaign

1632819510

C2

196.217.156.63:995

120.150.218.241:995

95.77.223.148:443

185.250.148.74:443

181.118.183.94:443

105.198.236.99:443

140.82.49.12:443

37.210.152.224:995

89.101.97.139:443

81.241.252.59:2078

27.223.92.142:995

81.250.153.227:2222

73.151.236.31:443

47.22.148.6:443

122.11.220.212:2222

120.151.47.189:443

199.27.127.129:443

216.201.162.158:443

136.232.34.70:443

76.25.142.196:443

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

1340 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

1468 schtasks.exe

pid	process
1340	regsvr32.exe

pid	process
1468	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\d758d133 = 5321778c2451a3a0ef60f8e10cd6473dfb450532168f41555bffa8bef920a10bfb6d138887d71fa924	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\aa509eb9 = fedafa20dc3b7b0f1164a3278cffce828561f6e166a25b89e62ac0080fec14cff46854574e82cead22e2cb82c5bc7cd4ff28d31aa5ac75da34bd5e9757ecd6	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\6da5962a = db6ad6a72dde254e509b9847c47bcc3563367420794a58d55f4fc56305457f7f6e5cf7acd1e1ae9b42f98341d7c81514b64d46a8015a9c8201382dd2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\e0862101 = 65c6861711ec1b8b6832a25534d0b82f52844b79e5e4965f012442b56a813e27e49e97e5cb47772439be68bc4d67bfa10db3fa17d341ea6a041f129942a882	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Bvlicod	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\e0862101 = 65c6911711ec2e7950754c766f34db8f9467bb76f8189aab2f43d596bd1ae0cde4f45ad07f7cc309cee4	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\d519f14f = fc247015810804c03516eb772ac1ea0d3067f08f64a1b1703378a96a7d8826d7790846ecf2236c96607957346de9d72d349ea010c4679afac9428c866a31cd06d4d9d8e1a32da1a9a0fba13448d9be61e33741f412cf7d80aa98d8b496f9d512646b0b0a23f40e52841edc524348f6fcd2ff62ff51c016d53b6340d2893f9442	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\6fe4b656 = e265148f2c33238b8922c717a5ebb73923b71a09ee4eedb6765f915d5c4248877f1c2b08ff0bde73fff691f3ff4d3663c54ce80fabf39f92f1468a95964fd5a6743a998152dcac4ac59a715daba4	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\12ecf9dc = 89bd6507e9d38a0d6ed3b092b3c4adb1479248bee9c78bc17d668a61b63ff48b1c9e5c930693f29d4db19e55f2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Bvlicod\9fcf4ef7 = fc19b0bde5c8eff2668cd6cdcc769e862a29c3050336accfdf923c959ede7cd9f469e213a3d2cdc3c0c47680d81af7b683371f410127ca3a77bdd2a2250814ba7dbe131687a7630f7c8d1538af2505495e38df20ccd4849949f7144152f1e47834d516ed495d0d553d913bd3e856489eaa3d	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1480 rundll32.exe
1340 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1480 rundll32.exe
1340 regsvr32.exe

pid	process
1480	rundll32.exe
1340	regsvr32.exe

pid	process
1480	rundll32.exe
1340	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 2040 wrote to memory of 1480	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1480	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1480	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1480	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1480	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1480	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1480	2040	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 552	1480	rundll32.exe	explorer.exe
PID 1480 wrote to memory of 552	1480	rundll32.exe	explorer.exe
PID 1480 wrote to memory of 552	1480	rundll32.exe	explorer.exe
PID 1480 wrote to memory of 552	1480	rundll32.exe	explorer.exe
PID 1480 wrote to memory of 552	1480	rundll32.exe	explorer.exe
PID 1480 wrote to memory of 552	1480	rundll32.exe	explorer.exe
PID 552 wrote to memory of 1468	552	explorer.exe	schtasks.exe
PID 552 wrote to memory of 1468	552	explorer.exe	schtasks.exe
PID 552 wrote to memory of 1468	552	explorer.exe	schtasks.exe
PID 552 wrote to memory of 1468	552	explorer.exe	schtasks.exe
PID 1440 wrote to memory of 1180	1440	taskeng.exe	regsvr32.exe
PID 1440 wrote to memory of 1180	1440	taskeng.exe	regsvr32.exe
PID 1440 wrote to memory of 1180	1440	taskeng.exe	regsvr32.exe
PID 1440 wrote to memory of 1180	1440	taskeng.exe	regsvr32.exe
PID 1440 wrote to memory of 1180	1440	taskeng.exe	regsvr32.exe
PID 1180 wrote to memory of 1340	1180	regsvr32.exe	regsvr32.exe
PID 1180 wrote to memory of 1340	1180	regsvr32.exe	regsvr32.exe
PID 1180 wrote to memory of 1340	1180	regsvr32.exe	regsvr32.exe
PID 1180 wrote to memory of 1340	1180	regsvr32.exe	regsvr32.exe
PID 1180 wrote to memory of 1340	1180	regsvr32.exe	regsvr32.exe
PID 1180 wrote to memory of 1340	1180	regsvr32.exe	regsvr32.exe
PID 1180 wrote to memory of 1340	1180	regsvr32.exe	regsvr32.exe
PID 1340 wrote to memory of 1692	1340	regsvr32.exe	explorer.exe
PID 1340 wrote to memory of 1692	1340	regsvr32.exe	explorer.exe
PID 1340 wrote to memory of 1692	1340	regsvr32.exe	explorer.exe
PID 1340 wrote to memory of 1692	1340	regsvr32.exe	explorer.exe
PID 1340 wrote to memory of 1692	1340	regsvr32.exe	explorer.exe
PID 1340 wrote to memory of 1692	1340	regsvr32.exe	explorer.exe
PID 1692 wrote to memory of 1800	1692	explorer.exe	reg.exe
PID 1692 wrote to memory of 1800	1692	explorer.exe	reg.exe
PID 1692 wrote to memory of 1800	1692	explorer.exe	reg.exe
PID 1692 wrote to memory of 1800	1692	explorer.exe	reg.exe
PID 1692 wrote to memory of 1688	1692	explorer.exe	reg.exe
PID 1692 wrote to memory of 1688	1692	explorer.exe	reg.exe
PID 1692 wrote to memory of 1688	1692	explorer.exe	reg.exe
PID 1692 wrote to memory of 1688	1692	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\yuxuvnox.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\yuxuvnox.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:552

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qqqcnmp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\yuxuvnox.dll\"" /SC ONCE /Z /ST 17:13 /ET 17:25
4⤵
- Creates scheduled task(s)
PID:1468

C:\Windows\system32\taskeng.exe
taskeng.exe {B3E701D9-1B44-496D-82F4-1C3BE8178B30} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\yuxuvnox.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\yuxuvnox.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
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:\ProgramData\Microsoft\Omfrnyutdgcn" /d "0"
5⤵
PID:1800

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\Wuokzrs" /d "0"
5⤵
PID:1688

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\yuxuvnox.dll
MD5
2fc35802a426fed3defcda68a2b31dbb

SHA1
52c27242713e4063db475559bac4f014e342388c

SHA256
7b6d3705f7ccaef8c02bec0ed001e64dbf7315e225748d67068f573a10298bd4

SHA512
fc877a8950f64fdd51d4aee0aae23dd62a7e1734d44ad7bb1183d23e54f6a42861b5d396dbe249da36b90728e7e3d9dba2f3fbb2b4a3af07f2eb31328b62940c

Download Submit
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\yuxuvnox.dll
MD5
2fc35802a426fed3defcda68a2b31dbb

SHA1
52c27242713e4063db475559bac4f014e342388c

SHA256
7b6d3705f7ccaef8c02bec0ed001e64dbf7315e225748d67068f573a10298bd4

SHA512
fc877a8950f64fdd51d4aee0aae23dd62a7e1734d44ad7bb1183d23e54f6a42861b5d396dbe249da36b90728e7e3d9dba2f3fbb2b4a3af07f2eb31328b62940c

Download Submit
memory/552-61-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/552-68-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/552-66-0x0000000074071000-0x0000000074073000-memory.dmp

Filesize
8KB

Download
memory/552-62-0x0000000000000000-mapping.dmp

Download
memory/1180-70-0x000007FEFB541000-0x000007FEFB543000-memory.dmp

Filesize
8KB

Download
memory/1180-69-0x0000000000000000-mapping.dmp

Download
memory/1340-72-0x0000000000000000-mapping.dmp

Download
memory/1340-88-0x00000000003E0000-0x0000000000401000-memory.dmp

Filesize
132KB

Download
memory/1340-80-0x00000000003E0000-0x0000000000401000-memory.dmp

Filesize
132KB

Download
memory/1340-79-0x00000000003E0000-0x0000000000401000-memory.dmp

Filesize
132KB

Download
memory/1340-78-0x00000000003E0000-0x0000000000401000-memory.dmp

Filesize
132KB

Download
memory/1340-77-0x00000000003E0000-0x0000000000401000-memory.dmp

Filesize
132KB

Download
memory/1340-76-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/1340-75-0x00000000009E0000-0x0000000000A60000-memory.dmp

Filesize
512KB

Download
memory/1468-67-0x0000000000000000-mapping.dmp

Download
memory/1480-57-0x00000000004D0000-0x00000000004F1000-memory.dmp

Filesize
132KB

Download
memory/1480-64-0x0000000000320000-0x0000000000343000-memory.dmp

Filesize
140KB

Download
memory/1480-56-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/1480-53-0x0000000000000000-mapping.dmp

Download
memory/1480-60-0x00000000004D0000-0x00000000004F1000-memory.dmp

Filesize
132KB

Download
memory/1480-58-0x00000000004D0000-0x00000000004F1000-memory.dmp

Filesize
132KB

Download
memory/1480-65-0x00000000004D0000-0x00000000004F1000-memory.dmp

Filesize
132KB

Download
memory/1480-55-0x00000000001C0000-0x0000000000240000-memory.dmp

Filesize
512KB

Download
memory/1480-59-0x00000000004D0000-0x00000000004F1000-memory.dmp

Filesize
132KB

Download
memory/1480-54-0x0000000075871000-0x0000000075873000-memory.dmp

Filesize
8KB

Download
memory/1688-87-0x0000000000000000-mapping.dmp

Download
memory/1692-82-0x0000000000000000-mapping.dmp

Download
memory/1692-89-0x00000000000D0000-0x00000000000F1000-memory.dmp

Filesize
132KB

Download
memory/1800-86-0x0000000000000000-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