qakbot | 8b554ed79aef862f7073f93b6f67a8dea8368098c1d951365317de3803acae66

General

Target

files 02.21.doc
Size

75KB
MD5

f0a301d7833a7264f7659f9f9bd79727
SHA1

31f6b9bf54a31a52ab0a9e4d2d67c4b1f660f9ea
SHA256

8b554ed79aef862f7073f93b6f67a8dea8368098c1d951365317de3803acae66
SHA512

f188cf7420b8ff5d21503888f6dab69223e0aa061564fa3d30d9195c37c6f5e79a97a7d29abbba03c641afe2b624b60d3acea7c63ea98a4571a476d58b035d50

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	4236	4764	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

14 584 mshta.exe
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1148 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
14	584	mshta.exe

pid	process
1148	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\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
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

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-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4764 WINWORD.EXE
4764 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exe

pid process

1148 regsvr32.exe
1148 regsvr32.exe
1148 regsvr32.exe
1148 regsvr32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

regsvr32.exe

pid process

1148 regsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings	explorer.exe

pid	process
1148	regsvr32.exe
1148	regsvr32.exe
1148	regsvr32.exe
1148	regsvr32.exe

pid	process
1148	regsvr32.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

WINWORD.EXE

pid	process
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

WINWORD.EXEexplorer.exemshta.exeregsvr32.exe

description	pid	process	target process
PID 4764 wrote to memory of 4236	4764	WINWORD.EXE	explorer.exe
PID 4764 wrote to memory of 4236	4764	WINWORD.EXE	explorer.exe
PID 2816 wrote to memory of 584	2816	explorer.exe	mshta.exe
PID 2816 wrote to memory of 584	2816	explorer.exe	mshta.exe
PID 2816 wrote to memory of 584	2816	explorer.exe	mshta.exe
PID 584 wrote to memory of 1148	584	mshta.exe	regsvr32.exe
PID 584 wrote to memory of 1148	584	mshta.exe	regsvr32.exe
PID 584 wrote to memory of 1148	584	mshta.exe	regsvr32.exe
PID 1148 wrote to memory of 3524	1148	regsvr32.exe	explorer.exe
PID 1148 wrote to memory of 3524	1148	regsvr32.exe	explorer.exe
PID 1148 wrote to memory of 3524	1148	regsvr32.exe	explorer.exe
PID 1148 wrote to memory of 3524	1148	regsvr32.exe	explorer.exe
PID 1148 wrote to memory of 3524	1148	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\files 02.21.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:4764

C:\Windows\explorer.exe
explorer c:\programdata\a2t7KN.hta
2⤵
- Process spawned unexpected child process
PID:4236

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2816

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\a2t7KN.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" c:\programdata\a2t7KN.tmp
3⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1148

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
PID:3524

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\a2t7KN.hta
MD5
39b30d4f9a8695a9d53449aceb962def

SHA1
fcfb39e6615f39da3075615b50134e02720d111d

SHA256
50f69e4043a22e346e21b11be9f92ab3697b7aea671110c196408995ae157717

SHA512
ea358319d9725039806148decd995481e92eb9ea99363bcbf6158d4e38359c7c9c5e983dcca19a122fa66061ae8cb67fb556ec1a35e275c546cb88fb911f1b34

Download Submit
\??\c:\programdata\a2t7KN.tmp
MD5
11804c56c3223c04fc1cd51f4ac1e128

SHA1
de7a6b165f79c27b36539ac7c3e980a3b8c691e8

SHA256
28e2cdc51b553cd2cc1ba3028fe5ce588504a76c3a8c83d784e5318a83be22d1

SHA512
52485cb2f2a1b494e1d8a6eebbd1f2b81f519ab7d18456f51c5882fa27820edca0ce8b3a1bdd6428e0bb0c6da827d5c7db5198d977654f78396d6f7c441f74b6

Download Submit
\ProgramData\a2t7KN.tmp
MD5
11804c56c3223c04fc1cd51f4ac1e128

SHA1
de7a6b165f79c27b36539ac7c3e980a3b8c691e8

SHA256
28e2cdc51b553cd2cc1ba3028fe5ce588504a76c3a8c83d784e5318a83be22d1

SHA512
52485cb2f2a1b494e1d8a6eebbd1f2b81f519ab7d18456f51c5882fa27820edca0ce8b3a1bdd6428e0bb0c6da827d5c7db5198d977654f78396d6f7c441f74b6

Download Submit
memory/584-9-0x0000000000000000-mapping.dmp

Download
memory/1148-15-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/1148-14-0x0000000010000000-0x0000000010035000-memory.dmp

Filesize
212KB

Download
memory/1148-11-0x0000000000000000-mapping.dmp

Download
memory/3524-17-0x0000000002EA0000-0x0000000002ED5000-memory.dmp

Filesize
212KB

Download
memory/3524-16-0x0000000000000000-mapping.dmp

Download
memory/4236-7-0x0000000000000000-mapping.dmp

Download
memory/4764-6-0x00007FFACA170000-0x00007FFACA180000-memory.dmp

Filesize
64KB

Download
memory/4764-10-0x000001F96E370000-0x000001F96E374000-memory.dmp

Filesize
16KB

Download
memory/4764-2-0x00007FFACA170000-0x00007FFACA180000-memory.dmp

Filesize
64KB

Download
memory/4764-5-0x000001F95FA80000-0x000001F9600B7000-memory.dmp

Filesize
6.2MB

Download
memory/4764-4-0x00007FFACA170000-0x00007FFACA180000-memory.dmp

Filesize
64KB

Download
memory/4764-3-0x00007FFACA170000-0x00007FFACA180000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads