qakbot | 5b729ea665fa8c4ee7d64a33f8037ddcd0cd67e018362b8faef0fb385a8cef7f

General

Target

direct,02.01.2021.doc
Size

75KB
MD5

a7381f4e85590449ca5c33bec0aa39b3
SHA1

f299694003dd4e96abd9b9b36857c6f5373b56e4
SHA256

5b729ea665fa8c4ee7d64a33f8037ddcd0cd67e018362b8faef0fb385a8cef7f
SHA512

e8b4a2e5bfc7669a735946a9f51dd6fe528dfa4bc68c33de0a73439bbb57696362f036a206aa2efb6f31482cf8a283f96154e48c1672d09d2cbb6641e84f1569

Score

10^/10

qakbot krk01 1611569149 banker ransomware 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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

explorer.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1688	812	explorer.exe	WINWORD.EXE

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

26 1344 mshta.exe
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3548 regsvr32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

flow	pid	process
26	1344	mshta.exe

pid	process
3548	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:

regsvr32.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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc	regsvr32.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:

WINWORD.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

812 WINWORD.EXE
812 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exe

pid process

3548 regsvr32.exe
3548 regsvr32.exe
3548 regsvr32.exe
3548 regsvr32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

regsvr32.exe

pid process

3548 regsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings	explorer.exe

pid	process
3548	regsvr32.exe
3548	regsvr32.exe
3548	regsvr32.exe
3548	regsvr32.exe

pid	process
3548	regsvr32.exe

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

WINWORD.EXE

pid	process
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE
812	WINWORD.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

WINWORD.EXEexplorer.exemshta.exeregsvr32.exe

description	pid	process	target process
PID 812 wrote to memory of 1688	812	WINWORD.EXE	explorer.exe
PID 812 wrote to memory of 1688	812	WINWORD.EXE	explorer.exe
PID 2820 wrote to memory of 1344	2820	explorer.exe	mshta.exe
PID 2820 wrote to memory of 1344	2820	explorer.exe	mshta.exe
PID 2820 wrote to memory of 1344	2820	explorer.exe	mshta.exe
PID 1344 wrote to memory of 3548	1344	mshta.exe	regsvr32.exe
PID 1344 wrote to memory of 3548	1344	mshta.exe	regsvr32.exe
PID 1344 wrote to memory of 3548	1344	mshta.exe	regsvr32.exe
PID 3548 wrote to memory of 2224	3548	regsvr32.exe	explorer.exe
PID 3548 wrote to memory of 2224	3548	regsvr32.exe	explorer.exe
PID 3548 wrote to memory of 2224	3548	regsvr32.exe	explorer.exe
PID 3548 wrote to memory of 2224	3548	regsvr32.exe	explorer.exe
PID 3548 wrote to memory of 2224	3548	regsvr32.exe	explorer.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\direct,02.01.2021.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:812

C:\Windows\explorer.exe
explorer c:\programdata\ayYdz.hta
2⤵
- Process spawned unexpected child process
PID:1688

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\ayYdz.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" c:\programdata\ayYdz.tmp
3⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3548

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
PID:2224

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

4

T1082

Query Registry

3

T1012

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\ayYdz.hta
MD5
007902da70bb979585e6262cd6c4af51

SHA1
4579e4c4ba37990b23d7714b2823a1bbb303905d

SHA256
666a5d055dce735ec82685241ea6fc81dfbf4abd701e79216f82f5d4407fce2a

SHA512
6fdd2a374a02fd4c165d152a3ad11d2d5c072636718e4f3a27d1b544180105daffbcdc41bac5093fa51b298c91b60716630505eb42e7d48c3b0192a3cba053ee

Download Submit
\??\c:\programdata\ayYdz.tmp
MD5
50901dabb081865f84c7304ada82f661

SHA1
080fdd1ab480f199cce8df9088713ffaf4e5f787

SHA256
28a61c61444f43e9bc83f27e0e3838e785844c63919fe227c48622d0fd93abf5

SHA512
d276439a59ed2dac449dcc216319f326027fe530701efa8a35d56a271d4e6a128e0c4936cd7b86887f02476aada2aa1b7155641abc935cc0e437711869187326

Download Submit
\ProgramData\ayYdz.tmp
MD5
50901dabb081865f84c7304ada82f661

SHA1
080fdd1ab480f199cce8df9088713ffaf4e5f787

SHA256
28a61c61444f43e9bc83f27e0e3838e785844c63919fe227c48622d0fd93abf5

SHA512
d276439a59ed2dac449dcc216319f326027fe530701efa8a35d56a271d4e6a128e0c4936cd7b86887f02476aada2aa1b7155641abc935cc0e437711869187326

Download Submit
memory/812-3-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

Filesize
64KB

Download
memory/812-4-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

Filesize
64KB

Download
memory/812-5-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

Filesize
64KB

Download
memory/812-6-0x00007FFB80F70000-0x00007FFB815A7000-memory.dmp

Filesize
6.2MB

Download
memory/812-8-0x0000024A55120000-0x0000024A55124000-memory.dmp

Filesize
16KB

Download
memory/812-2-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

Filesize
64KB

Download
memory/1344-10-0x0000000000000000-mapping.dmp

Download
memory/1688-7-0x0000000000000000-mapping.dmp

Download
memory/2224-16-0x0000000000000000-mapping.dmp

Download
memory/2224-17-0x0000000003220000-0x0000000003255000-memory.dmp

Filesize
212KB

Download
memory/3548-11-0x0000000000000000-mapping.dmp

Download
memory/3548-14-0x0000000010000000-0x0000000010035000-memory.dmp

Filesize
212KB

Download
memory/3548-15-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads