qakbot | 7a135b83e19c249e519fc4217600f9c515c8d25291ac1642f02d0d9e433e9a7a

General

Target

0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll
Size

644KB
MD5

cbf3694b6463be1ba38cfd2722901803
SHA1

0f32e75173201a30baf9f95a08c7dbb1a57b4fc3
SHA256

7a135b83e19c249e519fc4217600f9c515c8d25291ac1642f02d0d9e433e9a7a
SHA512

eb0910196bdcdb8469f02e1578d0f14b37404f0277801fb591d2733e54cd08fe9901240b7709b1a76e83082d9e1d7b37f15e73b1d66ef77a441e0bc8cec299a7

Score

10^/10

qakbot cullinan 1640168876 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1640168876

C2

93.48.80.198:995

140.82.49.12:443

32.221.229.7:443

24.152.219.253:995

31.35.28.29:443

96.37.113.36:993

190.39.205.165:443

79.173.195.234:443

39.49.66.100:995

103.139.242.30:22

79.167.192.206:995

45.9.20.200:2211

24.95.61.62:443

37.210.226.125:61202

103.139.242.30:995

70.163.1.219:443

103.143.8.71:6881

76.169.147.192:32103

136.143.11.232:443

63.153.187.104:443

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 4080 created 1548 4080 WerFault.exe rundll32.exe
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exe

pid process

2508 regsvr32.exe
2508 regsvr32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2620 1548 WerFault.exe rundll32.exe

description	pid	process	target process
PID 4080 created 1548	4080	WerFault.exe	rundll32.exe

pid	process
2508	regsvr32.exe
2508	regsvr32.exe

pid	pid_target	process	target process
2620	1548	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.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

204 schtasks.exe

pid	process
204	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies data under HKEY_USERS 11 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\ba4b7b5 = dc775215d44a4e3b56b2bd9026c611d45b6167fb2524a0a94527adf3ed1b8498b8150690fb9ef3797cd637f3abf86a254d6edab041e597296b60e5f30dd51453a535285965c5f6f006b2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\4172080d = e414e99201d840e70ca71194ea1c713a839e448ac4d82113df7d1100d855bac3d2191c560ecc4b3f52b5de73cf1500d118f82a462e30a8f0f11bfd84bc	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\ba4b7b5 = dc774515d44a7bb48792fca1e05aa9a59bf143300e0ba09efd6094c4fa7b0271ba11f93585d7a157b557a6946d74143685ea8ced317aa01cbef91ff4e1eabee88dacbe6ee07419d7abf12d5efc4cff737d16825055ffe215a2a4748328634e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\ba4b7b5 = dc774515d44a7bb48792fca1e05aa9a59bf143300e0ba09efb6397c4fa7b0271ba11f93585d7a157b557a6946d74143685ea8ced317aa01cbef91ff4e1eabee88dacbe6ee07419d7abf12d5efc4cff737d16825055ffe215a2a4748328634e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\3e3b67fb = c0de27db1c5f08fc41662bf5562627f1dfbe176179db711db82d7746b414df76e01642393383f043bfc9f2f5e2dd8a1a91ef07c0e1e8c3debabfdb9857a5386ea940ff0919ad5d874c958a45bb7bdf1661593025f70e17c9ab390aba54f0e940a1a2186411651598fb9b86be164fbe17f7a06053b4276694976bd4bb2ef92b39e59cb5a509fefc0df8a706167d48	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\3c7a4787 = 00acf68c5140165225e8b07d8254d655a3393a68ade75c73c2ef5b81b12d8ecf3c3b7c645ff77096972ee65f469352ac3a6e2d545b45b06f276028c5cb7050ee8077c856d22b3c4f190737d94fc60bf55ee581e7bdb0ae	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\84c620e2 = 7cdc58192adb77916ec73b47429c739291dfd841a293ee6a797e96e5da8f00762139464992cf67bd831e3cffaa3060f0daae51548993a193278aaf1f0faacb522990d6ce629bebb11030ba2c166fc746a3edfd57	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\f9ce6f68 = fe00b058390fdf2e83773502052a58329023825a739d09d25c58baeb6e17bd6ff1699f0398db5c6efe3bd9dceb74a3e04619028cf572ad458fa13c59ea362442ad18300883b5c1	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\8687009e = 1c5b1db67ba4d6d3c12da44a521edcdf66dff52ce61bd555105d5cc243a8d7dcf7d6d0ef63fcccdcdf85b3314efa02c4f8d246	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ovvzzdwgjz\74edd843 = 19165696e7f5fc4055298eccd4755d5743d26642d58d32b046f97280e598ccf3f07ff6a9a98d3b5baec2b126024883bc84e67259877918166498c2b3	explorer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exeWerFault.exeregsvr32.exe

pid process

1548 rundll32.exe
1548 rundll32.exe
2620 WerFault.exe
2620 WerFault.exe
2508 regsvr32.exe
2508 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1548 rundll32.exe
2508 regsvr32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2620 WerFault.exe
Token: SeBackupPrivilege 2620 WerFault.exe

pid	process
1548	rundll32.exe
1548	rundll32.exe
2620	WerFault.exe
2620	WerFault.exe
2508	regsvr32.exe
2508	regsvr32.exe

pid	process
1548	rundll32.exe
2508	regsvr32.exe

description	pid	process
Token: SeRestorePrivilege	2620	WerFault.exe
Token: SeBackupPrivilege	2620	WerFault.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

rundll32.exeWerFault.exerundll32.exeexplorer.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1308 wrote to memory of 1548	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1548	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1548	1308	rundll32.exe	rundll32.exe
PID 4080 wrote to memory of 1548	4080	WerFault.exe	rundll32.exe
PID 4080 wrote to memory of 1548	4080	WerFault.exe	rundll32.exe
PID 1548 wrote to memory of 2380	1548	rundll32.exe	explorer.exe
PID 1548 wrote to memory of 2380	1548	rundll32.exe	explorer.exe
PID 1548 wrote to memory of 2380	1548	rundll32.exe	explorer.exe
PID 1548 wrote to memory of 2380	1548	rundll32.exe	explorer.exe
PID 1548 wrote to memory of 2380	1548	rundll32.exe	explorer.exe
PID 2380 wrote to memory of 204	2380	explorer.exe	schtasks.exe
PID 2380 wrote to memory of 204	2380	explorer.exe	schtasks.exe
PID 2380 wrote to memory of 204	2380	explorer.exe	schtasks.exe
PID 1460 wrote to memory of 2508	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 2508	1460	regsvr32.exe	regsvr32.exe
PID 1460 wrote to memory of 2508	1460	regsvr32.exe	regsvr32.exe
PID 2508 wrote to memory of 2108	2508	regsvr32.exe	explorer.exe
PID 2508 wrote to memory of 2108	2508	regsvr32.exe	explorer.exe
PID 2508 wrote to memory of 2108	2508	regsvr32.exe	explorer.exe
PID 2508 wrote to memory of 2108	2508	regsvr32.exe	explorer.exe
PID 2508 wrote to memory of 2108	2508	regsvr32.exe	explorer.exe
PID 2108 wrote to memory of 3596	2108	explorer.exe	reg.exe
PID 2108 wrote to memory of 3596	2108	explorer.exe	reg.exe
PID 2108 wrote to memory of 1824	2108	explorer.exe	reg.exe
PID 2108 wrote to memory of 1824	2108	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 644
3⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2620

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ihlqozgk /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll\"" /SC ONCE /Z /ST 16:56 /ET 17:08
4⤵
- Creates scheduled task(s)
PID:204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1548 -ip 1548
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4080

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2508

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2108

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\Tliwth" /d "0"
4⤵
PID:3596

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\Lqqajg" /d "0"
4⤵
PID:1824

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

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll
MD5
cbf3694b6463be1ba38cfd2722901803

SHA1
0f32e75173201a30baf9f95a08c7dbb1a57b4fc3

SHA256
7a135b83e19c249e519fc4217600f9c515c8d25291ac1642f02d0d9e433e9a7a

SHA512
eb0910196bdcdb8469f02e1578d0f14b37404f0277801fb591d2733e54cd08fe9901240b7709b1a76e83082d9e1d7b37f15e73b1d66ef77a441e0bc8cec299a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll
MD5
cbf3694b6463be1ba38cfd2722901803

SHA1
0f32e75173201a30baf9f95a08c7dbb1a57b4fc3

SHA256
7a135b83e19c249e519fc4217600f9c515c8d25291ac1642f02d0d9e433e9a7a

SHA512
eb0910196bdcdb8469f02e1578d0f14b37404f0277801fb591d2733e54cd08fe9901240b7709b1a76e83082d9e1d7b37f15e73b1d66ef77a441e0bc8cec299a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\0f32e75173201a30baf9f95a08c7dbb1a57b4fc3.dll
MD5
cbf3694b6463be1ba38cfd2722901803

SHA1
0f32e75173201a30baf9f95a08c7dbb1a57b4fc3

SHA256
7a135b83e19c249e519fc4217600f9c515c8d25291ac1642f02d0d9e433e9a7a

SHA512
eb0910196bdcdb8469f02e1578d0f14b37404f0277801fb591d2733e54cd08fe9901240b7709b1a76e83082d9e1d7b37f15e73b1d66ef77a441e0bc8cec299a7

Download Submit
memory/1548-130-0x00000000008C0000-0x0000000000960000-memory.dmp

Filesize
640KB

Download
memory/1548-131-0x0000000000DE0000-0x0000000000E23000-memory.dmp

Filesize
268KB

Download
memory/1548-134-0x00000000043A0000-0x00000000043C1000-memory.dmp

Filesize
132KB

Download
memory/2108-147-0x0000000000390000-0x00000000003B1000-memory.dmp

Filesize
132KB

Download
memory/2380-135-0x0000000002D00000-0x0000000002D21000-memory.dmp

Filesize
132KB

Download
memory/2508-141-0x0000000000AD0000-0x0000000000B70000-memory.dmp

Filesize
640KB

Download
memory/2508-142-0x0000000003160000-0x0000000003181000-memory.dmp

Filesize
132KB

Download
memory/2508-143-0x0000000003160000-0x0000000003181000-memory.dmp

Filesize
132KB

Download
memory/2508-144-0x0000000003160000-0x0000000003181000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads