qakbot | d85b3c0bee9a537ec923c070fde22f9e275130ab2c3e031397796cc856a44588

General

Target

Document_312780006-12232020-Copy.xlsm
Size

25KB
MD5

c22078f129f1d702314102bc47fa5a77
SHA1

b9fb91344d5276c9ca779867fecea5ac80c89f21
SHA256

d85b3c0bee9a537ec923c070fde22f9e275130ab2c3e031397796cc856a44588
SHA512

aad36bb3ce63f59fae9b4d66ec5a6921edba8903c684746021a44c04817635513cedf48fb34bd69c14637874313de66a7e5d623dd36011bffae1728e7398cd9e

Score

10^/10

qakbot abc117 1608747966 banker cryptone packer stealer trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://nicknewsteadconstructions.com.au/zhsvrgfcs/55555555555.jpg

Extracted

Family

qakbot

Botnet

abc117

Campaign

1608747966

C2

67.6.54.180:443

187.250.170.34:995

67.141.11.98:443

109.154.79.222:2222

2.88.184.160:443

85.52.72.32:2222

86.98.21.234:443

73.166.10.38:50003

90.61.30.155:2222

71.182.142.63:443

178.223.22.192:995

184.189.122.72:443

181.39.236.199:443

72.240.200.181:2222

154.238.45.174:995

47.22.148.6:443

2.51.251.47:995

199.19.117.131:443

200.76.215.87:443

37.104.39.32:995

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	436	1680	rundll32.exe	EXCEL.EXE

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot

CryptOne packer 2 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF	cryptone
\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF	cryptone

Loads dropped DLL 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

436 rundll32.exe
1280 regsvr32.exe

pid	process
436	rundll32.exe
1280	regsvr32.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
File opened (read-only)	\??\B:	EXCEL.EXE
File opened (read-only)	\??\K:	EXCEL.EXE
File opened (read-only)	\??\P:	EXCEL.EXE
File opened (read-only)	\??\R:	EXCEL.EXE
File opened (read-only)	\??\V:	EXCEL.EXE
File opened (read-only)	\??\X:	EXCEL.EXE
File opened (read-only)	\??\I:	EXCEL.EXE
File opened (read-only)	\??\M:	EXCEL.EXE
File opened (read-only)	\??\W:	EXCEL.EXE
File opened (read-only)	\??\Y:	EXCEL.EXE
File opened (read-only)	\??\L:	EXCEL.EXE
File opened (read-only)	\??\N:	EXCEL.EXE
File opened (read-only)	\??\S:	EXCEL.EXE
File opened (read-only)	\??\T:	EXCEL.EXE
File opened (read-only)	\??\U:	EXCEL.EXE
File opened (read-only)	\??\O:	EXCEL.EXE
File opened (read-only)	\??\Q:	EXCEL.EXE
File opened (read-only)	\??\A:	EXCEL.EXE
File opened (read-only)	\??\E:	EXCEL.EXE
File opened (read-only)	\??\F:	EXCEL.EXE
File opened (read-only)	\??\G:	EXCEL.EXE
File opened (read-only)	\??\H:	EXCEL.EXE
File opened (read-only)	\??\J:	EXCEL.EXE
File opened (read-only)	\??\Z:	EXCEL.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

844 schtasks.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

pid	process
844	schtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1680 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

436 rundll32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

436 rundll32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

1680 EXCEL.EXE
1680 EXCEL.EXE
1680 EXCEL.EXE
1680 EXCEL.EXE
1680 EXCEL.EXE
1680 EXCEL.EXE
1680 EXCEL.EXE

pid	process
1680	EXCEL.EXE

pid	process
436	rundll32.exe

pid	process
436	rundll32.exe

pid	process
1680	EXCEL.EXE
1680	EXCEL.EXE
1680	EXCEL.EXE
1680	EXCEL.EXE
1680	EXCEL.EXE
1680	EXCEL.EXE
1680	EXCEL.EXE

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

EXCEL.EXErundll32.exeexplorer.exetaskeng.exeregsvr32.exe

description	pid	process	target process
PID 1680 wrote to memory of 436	1680	EXCEL.EXE	rundll32.exe
PID 1680 wrote to memory of 436	1680	EXCEL.EXE	rundll32.exe
PID 1680 wrote to memory of 436	1680	EXCEL.EXE	rundll32.exe
PID 1680 wrote to memory of 436	1680	EXCEL.EXE	rundll32.exe
PID 1680 wrote to memory of 436	1680	EXCEL.EXE	rundll32.exe
PID 1680 wrote to memory of 436	1680	EXCEL.EXE	rundll32.exe
PID 1680 wrote to memory of 436	1680	EXCEL.EXE	rundll32.exe
PID 436 wrote to memory of 940	436	rundll32.exe	explorer.exe
PID 436 wrote to memory of 940	436	rundll32.exe	explorer.exe
PID 436 wrote to memory of 940	436	rundll32.exe	explorer.exe
PID 436 wrote to memory of 940	436	rundll32.exe	explorer.exe
PID 436 wrote to memory of 940	436	rundll32.exe	explorer.exe
PID 436 wrote to memory of 940	436	rundll32.exe	explorer.exe
PID 940 wrote to memory of 844	940	explorer.exe	schtasks.exe
PID 940 wrote to memory of 844	940	explorer.exe	schtasks.exe
PID 940 wrote to memory of 844	940	explorer.exe	schtasks.exe
PID 940 wrote to memory of 844	940	explorer.exe	schtasks.exe
PID 1608 wrote to memory of 1804	1608	taskeng.exe	regsvr32.exe
PID 1608 wrote to memory of 1804	1608	taskeng.exe	regsvr32.exe
PID 1608 wrote to memory of 1804	1608	taskeng.exe	regsvr32.exe
PID 1608 wrote to memory of 1804	1608	taskeng.exe	regsvr32.exe
PID 1608 wrote to memory of 1804	1608	taskeng.exe	regsvr32.exe
PID 1804 wrote to memory of 1280	1804	regsvr32.exe	regsvr32.exe
PID 1804 wrote to memory of 1280	1804	regsvr32.exe	regsvr32.exe
PID 1804 wrote to memory of 1280	1804	regsvr32.exe	regsvr32.exe
PID 1804 wrote to memory of 1280	1804	regsvr32.exe	regsvr32.exe
PID 1804 wrote to memory of 1280	1804	regsvr32.exe	regsvr32.exe
PID 1804 wrote to memory of 1280	1804	regsvr32.exe	regsvr32.exe
PID 1804 wrote to memory of 1280	1804	regsvr32.exe	regsvr32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Document_312780006-12232020-Copy.xlsm
1⤵
- Enumerates connected drives
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe ..\AppData\Roaming\Gertik.JJSSDDFF,DllRegisterServer
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:436

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hcabcthod /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF\"" /SC ONCE /Z /ST 08:34 /ET 08:46
4⤵
- Creates scheduled task(s)
PID:844

C:\Windows\system32\taskeng.exe
taskeng.exe {12E1C130-6D64-4F16-BDD3-7CFE7C4122B4} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF"
2⤵
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF"
3⤵
- Loads dropped DLL
PID:1280

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

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF
MD5
f9d744c32aef48e8293c2ebf609fed49

SHA1
d69f3f62bfc0199b6a4cdec40961126148863f2f

SHA256
2e92c5e1d166b2771273f186e5a6bbbf0556baae545680a61e9c5423dbfa9ee8

SHA512
8c3cb155e0d60d160e2ba7b46d0aa7f32e239f5e0626934c5a78a313eb18a4beb439d9a6cde75120a07a07902d3a5ec07b4e635c0ebe634311c2c1514928859c

Download Submit
C:\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF
MD5
647b4e83d929c575499cd60b8030ecff

SHA1
71506077529cf023de0d5b711a3beff57d0d2d9c

SHA256
71801a5780b8f3e7f7a82e08fee7b352a68fb57c607deb3a076a6868c26ec1da

SHA512
9da3a183517d5caa5939a31983252fed368469e4558ebb0e41433fd35855ed94bcc6b5138715f3feabccaf9aa13eb9bc26c751a2d408c1ca302315dbd3be80ba

Download Submit
\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF
MD5
f9d744c32aef48e8293c2ebf609fed49

SHA1
d69f3f62bfc0199b6a4cdec40961126148863f2f

SHA256
2e92c5e1d166b2771273f186e5a6bbbf0556baae545680a61e9c5423dbfa9ee8

SHA512
8c3cb155e0d60d160e2ba7b46d0aa7f32e239f5e0626934c5a78a313eb18a4beb439d9a6cde75120a07a07902d3a5ec07b4e635c0ebe634311c2c1514928859c

Download Submit
\Users\Admin\AppData\Roaming\Gertik.JJSSDDFF
MD5
647b4e83d929c575499cd60b8030ecff

SHA1
71506077529cf023de0d5b711a3beff57d0d2d9c

SHA256
71801a5780b8f3e7f7a82e08fee7b352a68fb57c607deb3a076a6868c26ec1da

SHA512
9da3a183517d5caa5939a31983252fed368469e4558ebb0e41433fd35855ed94bcc6b5138715f3feabccaf9aa13eb9bc26c751a2d408c1ca302315dbd3be80ba

Download Submit
memory/436-3-0x0000000000000000-mapping.dmp

Download
memory/436-7-0x0000000000740000-0x0000000000774000-memory.dmp

Filesize
208KB

Download
memory/436-9-0x0000000010000000-0x0000000010034000-memory.dmp

Filesize
208KB

Download
memory/844-10-0x0000000000000000-mapping.dmp

Download
memory/940-8-0x0000000000000000-mapping.dmp

Download
memory/940-11-0x0000000000080000-0x00000000000B4000-memory.dmp

Filesize
208KB

Download
memory/940-6-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/1280-14-0x0000000000000000-mapping.dmp

Download
memory/1804-12-0x0000000000000000-mapping.dmp

Download
memory/1976-2-0x000007FEF6460000-0x000007FEF66DA000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads