qakbot | c9def02fd0b90810e1ac5af1906e461c8c1a5534ee19b5b2ce7aac77f2943b54

Analysis

max time kernel
148s
max time network
128s
platform
windows7_x64
resource
win7v20201028
submitted
18-02-2021 18:47

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General

Target

document-1743692288.xls
Size

88KB
MD5

fa1f35763e1c13386feca469dd16a22b
SHA1

1cbfc5e62e085bba8366cc077dfc91923a8ceefd
SHA256

c9def02fd0b90810e1ac5af1906e461c8c1a5534ee19b5b2ce7aac77f2943b54
SHA512

31619aeebfdd1247252a9e3881c4ba5824b82558af2a814b1fe90b67b4403950f94f9ab02d968d30477031648cbf90c520b95f58f8beffa47952994a1c3b38dc

Score

10^/10

qakbot tr 1613385567 banker stealer trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://miraclecollagen.co.za/ds/1802.gif

Extracted

Family

qakbot

Botnet

Campaign

1613385567

78.63.226.32:443

197.51.82.72:443

193.248.221.184:2222

95.77.223.148:443

71.199.192.62:443

77.211.30.202:995

80.227.5.69:443

77.27.204.204:995

81.97.154.100:443

173.184.119.153:995

38.92.225.121:443

81.150.181.168:2222

90.65.236.181:2222

83.110.103.152:443

73.153.211.227:443

188.25.63.105:443

89.137.211.239:995

202.188.138.162:443

98.173.34.212:995

87.202.87.210:2222

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	928	324	rundll32.exe	24

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

Loads dropped DLL 2 IoCs

pid	Process
928	rundll32.exe
456	regsvr32.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

pid	Process
620	schtasks.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
324	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
928	rundll32.exe
928	rundll32.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
928	rundll32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
324	EXCEL.EXE
324	EXCEL.EXE
324	EXCEL.EXE
324	EXCEL.EXE
324	EXCEL.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 928	324	EXCEL.EXE	31
PID 324 wrote to memory of 928	324	EXCEL.EXE	31
PID 324 wrote to memory of 928	324	EXCEL.EXE	31
PID 324 wrote to memory of 928	324	EXCEL.EXE	31
PID 324 wrote to memory of 928	324	EXCEL.EXE	31
PID 324 wrote to memory of 928	324	EXCEL.EXE	31
PID 324 wrote to memory of 928	324	EXCEL.EXE	31
PID 928 wrote to memory of 1116	928	rundll32.exe	32
PID 928 wrote to memory of 1116	928	rundll32.exe	32
PID 928 wrote to memory of 1116	928	rundll32.exe	32
PID 928 wrote to memory of 1116	928	rundll32.exe	32
PID 928 wrote to memory of 1116	928	rundll32.exe	32
PID 928 wrote to memory of 1116	928	rundll32.exe	32
PID 1116 wrote to memory of 620	1116	explorer.exe	33
PID 1116 wrote to memory of 620	1116	explorer.exe	33
PID 1116 wrote to memory of 620	1116	explorer.exe	33
PID 1116 wrote to memory of 620	1116	explorer.exe	33
PID 1688 wrote to memory of 1008	1688	taskeng.exe	37
PID 1688 wrote to memory of 1008	1688	taskeng.exe	37
PID 1688 wrote to memory of 1008	1688	taskeng.exe	37
PID 1688 wrote to memory of 1008	1688	taskeng.exe	37
PID 1688 wrote to memory of 1008	1688	taskeng.exe	37
PID 1008 wrote to memory of 456	1008	regsvr32.exe	38
PID 1008 wrote to memory of 456	1008	regsvr32.exe	38
PID 1008 wrote to memory of 456	1008	regsvr32.exe	38
PID 1008 wrote to memory of 456	1008	regsvr32.exe	38
PID 1008 wrote to memory of 456	1008	regsvr32.exe	38
PID 1008 wrote to memory of 456	1008	regsvr32.exe	38
PID 1008 wrote to memory of 456	1008	regsvr32.exe	38

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-1743692288.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\idefje.ekfd,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:928
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1116
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn goumgxsyra /tr "regsvr32.exe -s \"C:\Users\Admin\idefje.ekfd\"" /SC ONCE /Z /ST 19:46 /ET 19:58
      4⤵
      Creates scheduled task(s)
      PID:620

C:\Windows\system32\taskeng.exe
taskeng.exe {924969D1-1F33-4CD7-B1CC-1A5D6A4A40E9} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\idefje.ekfd"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1008
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\idefje.ekfd"
    3⤵
    - Loads dropped DLL
    PID:456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/324-3-0x0000000071C91000-0x0000000071C93000-memory.dmp

Filesize
8KB

Download
memory/324-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/324-2-0x000000002F791000-0x000000002F794000-memory.dmp

Filesize
12KB

Download
memory/928-7-0x00000000766C1000-0x00000000766C3000-memory.dmp

Filesize
8KB

Download
memory/928-12-0x0000000000940000-0x0000000000975000-memory.dmp

Filesize
212KB

Download
memory/928-17-0x0000000000940000-0x0000000000975000-memory.dmp

Filesize
212KB

Download
memory/928-11-0x00000000006A0000-0x00000000006D3000-memory.dmp

Filesize
204KB

Download
memory/928-10-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/1008-21-0x000007FEFC3E1000-0x000007FEFC3E3000-memory.dmp

Filesize
8KB

Download
memory/1116-15-0x000000006C9E1000-0x000000006C9E3000-memory.dmp

Filesize
8KB

Download
memory/1116-16-0x00000000000C0000-0x00000000000F5000-memory.dmp

Filesize
212KB

Download
memory/1116-19-0x00000000000C0000-0x00000000000F5000-memory.dmp

Filesize
212KB

Download
memory/2040-5-0x000007FEF7D30000-0x000007FEF7FAA000-memory.dmp

Filesize
2.5MB

Download