qakbot | 186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc

General

Target

186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll
Size

825KB
MD5

3142cbf3b97b301f787b5dfdde5e4b62
SHA1

d5c85a79f8afbaf828538e1544abcdf254cb2c6a
SHA256

186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc
SHA512

1b0c8ec21f42b5ca2cb7ab3a3b66c139c0a807c4cf399f4649f21f27913f351c04cb4676b37d7de5fe93bbca02119103d4b510ef6cfd819492292af4db5da0d7

Score

10^/10

qakbot cullinan 1639333530 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639333530

C2

65.100.174.110:443

173.21.10.71:2222

140.82.49.12:443

190.73.3.148:2222

76.25.142.196:443

71.74.12.34:443

31.215.98.160:443

93.48.80.198:995

45.9.20.200:2211

41.228.22.180:443

109.12.111.14:443

63.143.92.99:995

120.150.218.241:995

94.60.254.81:443

86.148.6.51:443

218.101.110.3:995

216.238.71.31:443

207.246.112.221:443

216.238.72.121:443

216.238.71.31:995

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

3604 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

2924 schtasks.exe

pid	process
3604	regsvr32.exe

pid	process
2924	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\87676601 = 3650f5332449d08120a7fc722d755b69760caea4908ebf9196986344766fa159e7e74cedf05341b217	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\a44d12a = c30cbf5c869a4a875ed9fbfdcb3c1b679819bfa2306b103386ee1034eca8	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\87676601 = 3650e2332449e5d09f19de88c6a4ec374bca2f41cd112ac65c301bd3f12604a5948b2865bc8f6886bb0259b9b9682ec996ffeed8d7e1d15949f83d8667cb	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\cdb1d9b9 = 65459f6afac4bc1368959592e0b654f177c787bf08e6c585effa084962eccb36b7b90d62c326c1e913a3449915f9f1563609b3670a6b99b1ae3433a1cb685c482fc4db4a83226097e155bd40a40832136e5e7f69d04e8e9a0fc6740e6a5d6d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\f82e09f7 = a4385829db16f1ed4c89f640f666c19096b3b855e17b2a2f1a2b9993accd8172a29a	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\b2f8b64f = 31c06c2d3d6151c51f47660aa54e12ed7919159255c510c6a359d03ddff724901d511ac94033263e729eb1049fe9179a18d0cb8ff03c71d19646b835c013087a2868788400d5ce1b48e6ac60125cc8338c793d087c66aa4c4186f75a6e9e5dd27819c174573a0c3efc93c597b12f4c59f83186031dd08425c88490b9f4194706cfca226983ca34b2ce52ef44e84265ce05459f59a0813d874d353d4eaea3031b4684fa5842b694471df00fa113a657	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\b0b99633 = 2f5d6d0d6f94056ec5df18da76addc376c79a2605a00b85385e34300a436e195f334060516c694638af3522e2973822e0536f9c72d56a1c7071b9d47b19427f7486e21cbd0f2498eeacd25499b01d8b8327c2c553cdf7572f018aab05d71118fc9	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\805f156 = e4791032548bf8ad5f84262e6bf048f30f49295936	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ucevnuam\750dbedc = f05869e78d73d661dc26e453e19a8c3c6b544bd3a5cc2333bb8eddf77ea4f614760d01bd7c2e46b6df71dd93b36997f2658ddd01492455ebd0af3e1b695a8ada65ddc13fd78b4b3426d0afd37f7a21245e59e58702f9259a40a695f946accd20baacb844520934	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2760 regsvr32.exe
2760 regsvr32.exe
3604 regsvr32.exe
3604 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2760 regsvr32.exe
3604 regsvr32.exe

pid	process
2760	regsvr32.exe
2760	regsvr32.exe
3604	regsvr32.exe
3604	regsvr32.exe

pid	process
2760	regsvr32.exe
3604	regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 3672 wrote to memory of 2760	3672	regsvr32.exe	regsvr32.exe
PID 3672 wrote to memory of 2760	3672	regsvr32.exe	regsvr32.exe
PID 3672 wrote to memory of 2760	3672	regsvr32.exe	regsvr32.exe
PID 2760 wrote to memory of 1384	2760	regsvr32.exe	explorer.exe
PID 2760 wrote to memory of 1384	2760	regsvr32.exe	explorer.exe
PID 2760 wrote to memory of 1384	2760	regsvr32.exe	explorer.exe
PID 2760 wrote to memory of 1384	2760	regsvr32.exe	explorer.exe
PID 2760 wrote to memory of 1384	2760	regsvr32.exe	explorer.exe
PID 1384 wrote to memory of 2924	1384	explorer.exe	schtasks.exe
PID 1384 wrote to memory of 2924	1384	explorer.exe	schtasks.exe
PID 1384 wrote to memory of 2924	1384	explorer.exe	schtasks.exe
PID 2392 wrote to memory of 3604	2392	regsvr32.exe	regsvr32.exe
PID 2392 wrote to memory of 3604	2392	regsvr32.exe	regsvr32.exe
PID 2392 wrote to memory of 3604	2392	regsvr32.exe	regsvr32.exe
PID 3604 wrote to memory of 3228	3604	regsvr32.exe	explorer.exe
PID 3604 wrote to memory of 3228	3604	regsvr32.exe	explorer.exe
PID 3604 wrote to memory of 3228	3604	regsvr32.exe	explorer.exe
PID 3604 wrote to memory of 3228	3604	regsvr32.exe	explorer.exe
PID 3604 wrote to memory of 3228	3604	regsvr32.exe	explorer.exe
PID 3228 wrote to memory of 372	3228	explorer.exe	reg.exe
PID 3228 wrote to memory of 372	3228	explorer.exe	reg.exe
PID 3228 wrote to memory of 2800	3228	explorer.exe	reg.exe
PID 3228 wrote to memory of 2800	3228	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3672

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2760

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1384

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lkoedgsclz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll\"" /SC ONCE /Z /ST 12:04 /ET 12:16
4⤵
- Creates scheduled task(s)
PID:2924

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2392

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:3228

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\Deonnzcepjee" /d "0"
4⤵
PID:372

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\Zuyevwyb" /d "0"
4⤵
PID:2800

Network

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll
MD5
3142cbf3b97b301f787b5dfdde5e4b62

SHA1
d5c85a79f8afbaf828538e1544abcdf254cb2c6a

SHA256
186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc

SHA512
1b0c8ec21f42b5ca2cb7ab3a3b66c139c0a807c4cf399f4649f21f27913f351c04cb4676b37d7de5fe93bbca02119103d4b510ef6cfd819492292af4db5da0d7

Download Submit
\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll
MD5
3142cbf3b97b301f787b5dfdde5e4b62

SHA1
d5c85a79f8afbaf828538e1544abcdf254cb2c6a

SHA256
186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc

SHA512
1b0c8ec21f42b5ca2cb7ab3a3b66c139c0a807c4cf399f4649f21f27913f351c04cb4676b37d7de5fe93bbca02119103d4b510ef6cfd819492292af4db5da0d7

Download Submit
memory/372-128-0x0000000000000000-mapping.dmp

Download
memory/1384-118-0x0000000000000000-mapping.dmp

Download
memory/1384-120-0x0000000003380000-0x0000000003381000-memory.dmp

Filesize
4KB

Download
memory/1384-121-0x0000000003380000-0x0000000003381000-memory.dmp

Filesize
4KB

Download
memory/1384-122-0x0000000000C40000-0x0000000000C61000-memory.dmp

Filesize
132KB

Download
memory/2760-117-0x0000000010000000-0x00000000100FA000-memory.dmp

Filesize
1000KB

Download
memory/2760-116-0x0000000000AD0000-0x0000000000B7E000-memory.dmp

Filesize
696KB

Download
memory/2760-115-0x0000000000000000-mapping.dmp

Download
memory/2800-129-0x0000000000000000-mapping.dmp

Download
memory/2924-119-0x0000000000000000-mapping.dmp

Download
memory/3228-127-0x0000000000000000-mapping.dmp

Download
memory/3228-130-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/3228-131-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/3228-132-0x0000000000450000-0x0000000000471000-memory.dmp

Filesize
132KB

Download
memory/3604-126-0x0000000000420000-0x00000000004CE000-memory.dmp

Filesize
696KB

Download
memory/3604-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads