qakbot | 351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1

General

Target

351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll
Size

387KB
MD5

a951900471d092e17b45fd039e8a67da
SHA1

7bc1c2a5badfdaba7acc02e69f466632a4d88782
SHA256

351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1
SHA512

c1c47e6e10b486ed57de101e3273a6c73436cae9ca14863340bef629f7b8fcf62946d3639192e58869a5a33456d3690f1a67d204a42862ba772d7eb73730fb67

Score

10^/10

qakbot krk01 1611569149 banker stealer trojan

Malware Config

Extracted

Family

qakbot

Botnet

krk01

Campaign

1611569149

C2

31.5.21.66:995

89.3.198.238:443

202.188.138.162:443

188.24.128.253:443

175.141.219.71:443

151.60.15.183:443

184.189.122.72:443

80.227.5.70:443

140.82.49.12:443

89.211.241.100:995

81.97.154.100:443

77.27.174.49:995

92.154.83.96:2078

42.3.8.54:443

71.187.170.235:443

46.153.36.53:995

71.182.142.63:443

105.186.102.16:443

50.244.112.106:443

78.63.226.32:443

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3632 regsvr32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3548 3632 WerFault.exe regsvr32.exe

pid	process
3632	regsvr32.exe

pid	pid_target	process	target process
3548	3632	WerFault.exe	regsvr32.exe

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc	rundll32.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

1296 schtasks.exe

pid	process
1296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

rundll32.exeWerFault.exe

pid	process
1136	rundll32.exe
1136	rundll32.exe
1136	rundll32.exe
1136	rundll32.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe
3548	WerFault.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

1136 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3548 WerFault.exe
Token: SeBackupPrivilege 3548 WerFault.exe
Token: SeDebugPrivilege 3548 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3548	WerFault.exe
Token: SeBackupPrivilege	3548	WerFault.exe
Token: SeDebugPrivilege	3548	WerFault.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exeregsvr32.exe

description	pid	process	target process
PID 8 wrote to memory of 1136	8	rundll32.exe	rundll32.exe
PID 8 wrote to memory of 1136	8	rundll32.exe	rundll32.exe
PID 8 wrote to memory of 1136	8	rundll32.exe	rundll32.exe
PID 1136 wrote to memory of 4092	1136	rundll32.exe	explorer.exe
PID 1136 wrote to memory of 4092	1136	rundll32.exe	explorer.exe
PID 1136 wrote to memory of 4092	1136	rundll32.exe	explorer.exe
PID 1136 wrote to memory of 4092	1136	rundll32.exe	explorer.exe
PID 1136 wrote to memory of 4092	1136	rundll32.exe	explorer.exe
PID 4092 wrote to memory of 1296	4092	explorer.exe	schtasks.exe
PID 4092 wrote to memory of 1296	4092	explorer.exe	schtasks.exe
PID 4092 wrote to memory of 1296	4092	explorer.exe	schtasks.exe
PID 2556 wrote to memory of 3632	2556	regsvr32.exe	regsvr32.exe
PID 2556 wrote to memory of 3632	2556	regsvr32.exe	regsvr32.exe
PID 2556 wrote to memory of 3632	2556	regsvr32.exe	regsvr32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:8

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll,#1
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1136

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mvijmtbao /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll\"" /SC ONCE /Z /ST 22:56 /ET 23:08
4⤵
- Creates scheduled task(s)
PID:1296

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2556

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll"
2⤵
- Loads dropped DLL
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 596
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3548

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

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll
MD5
dbe76f4c7458537d17bd406554b3a0a4

SHA1
9a13c27c1544189fb18c086f348fe227f361f8a5

SHA256
2542e181d7012eeadc13c1f460a076696f97267ca5a82a685b93491fd3ee2412

SHA512
a56d250c2c766aa95343558597f17f36d572cf37e6ade557fb11498740dc1b116da732a2e415991d33396e7970df1f284f7b95fbd940af1b35abd604729ee5b7

Download Submit
\Users\Admin\AppData\Local\Temp\351871cb4b94d16cd731ed4072c0bdf552be258c1d6fb27792cdef098acdcfc1.dll
MD5
dbe76f4c7458537d17bd406554b3a0a4

SHA1
9a13c27c1544189fb18c086f348fe227f361f8a5

SHA256
2542e181d7012eeadc13c1f460a076696f97267ca5a82a685b93491fd3ee2412

SHA512
a56d250c2c766aa95343558597f17f36d572cf37e6ade557fb11498740dc1b116da732a2e415991d33396e7970df1f284f7b95fbd940af1b35abd604729ee5b7

Download Submit
memory/1136-2-0x0000000000000000-mapping.dmp

Download
memory/1136-3-0x0000000073D60000-0x0000000073D95000-memory.dmp

Filesize
212KB

Download
memory/1136-4-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1296-6-0x0000000000000000-mapping.dmp

Download
memory/3548-12-0x00000000039A0000-0x00000000039A1000-memory.dmp

Filesize
4KB

Download
memory/3632-10-0x0000000000000000-mapping.dmp

Download
memory/4092-5-0x0000000000000000-mapping.dmp

Download
memory/4092-7-0x0000000000670000-0x00000000006A5000-memory.dmp

Filesize
212KB

Download
memory/4092-8-0x0000000000670000-0x00000000006A5000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads