qakbot | 8d55a54993c00a00daccdf2c7bf69978dbc0222af5b2d024e4e2043695401040

Analysis

max time kernel
129s
max time network
29s
platform
windows7_x64
resource
win7-en-20210920
submitted
24/09/2021, 13:52

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General

Target
89d3554f5ff07d72e5bd4d1b8de3934b.dll
Size 484KB
Sample210924-q6e4eahbf7
SHA256 8d55a54993c00a00daccdf2c7bf69978dbc0222af5b2d024e4e2043695401040
MD5 89d3554f5ff07d72e5bd4d1b8de3934b
SHA1 ce5e0066b05912f124b18a2b5c5e8706f3af1504
SHA512 e0b369119088a0163dc4f1e643dd509494c9d5b06cfb19feceaa65b6d462d62819de2ef4492b7b5c3d75c8d339e2c24ebbe5db8ed2890baf67b1a0b9c87cebe4
MD5 SHA1 SHA512

Score

10^/10

qakbot obama103 1632477754 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

402.343

Botnet

obama103

Campaign

1632477754

136.232.34.70:443
216.201.162.158:443
92.59.35.196:2222
105.198.236.99:443
185.250.148.74:443
73.77.87.137:443
196.218.227.241:995
103.148.120.144:443
120.150.218.241:995
47.22.148.6:443
140.82.49.12:443
71.74.12.34:443
27.223.92.142:995
76.25.142.196:443
95.77.223.148:443
75.188.35.168:443
96.37.113.36:993
173.21.10.71:2222
45.46.53.140:2222
73.151.236.31:443
181.163.96.53:443
189.210.115.207:443
72.252.201.69:443
89.101.97.139:443
109.12.111.14:443
24.55.112.61:443
24.139.72.117:443
24.229.150.54:995
67.165.206.193:993
75.107.26.196:465
68.204.7.158:443
185.250.148.74:2222
68.186.192.69:443
24.152.219.253:995
50.29.166.232:995
75.67.192.125:443
24.95.61.62:443

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Loads dropped DLL 1 IoCs

pid	Process
272	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
1836	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\509efa50 = ad86716f73f2ede6cebde08935a64f9238863b6568c77967f71d10f1e0c07338fb8db6bcf04fb78479841001df91079f6d21c0bd65d4d6dec6dc6ddd681676334bae4cb186	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\2fd795a6 = 55b17c1c77a0d98841908c91d501182cb586e00ccc492251a86997658731a12fef943e69fa558041a5f2fcc253c9440d42ae3ca99b	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\2fd795a6 = 55b16b1c77a0ec8284cbe4c520e9b8fa5b6a7045c0058bfdac72fbd402f76c2e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\a0b502f1 = 9f14d4d21a22e9e097f70c044d2cffd55cc2aa39ecda372f84f59b5a9886f5617433f0618e49e765a8d332c2a7b9426ec1c3ff33c2332baebe	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\65012a1e = 2783e2f1cc2af00b6eff9d4199857915dcf5af02fbb59ce0a32334eb68f6737fb45bc90460648936180ca40ba3bf4557e35bd30646221b46acd935f04eedfb316802c3a8101e96	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\1a4845e8 = fc61cc870f749978e1c4dc045518702da4977c278c2bc7f5ce5ab6c1f6c4c3f5ac93c265f51c8d067abd47ae65ea40310f00ff183623cdcf207966fbf0ce7db8a3aa4414fd223bf9ef76a613e93cd78df4344f87af7960e900deb64f3d3581	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\18096594 = 48e7e1c125b80a10691daac148943b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\ddbd4d7b = c96f5bb6ca1c1a604effa4d6fe9d161d4d6c06da27ce36ec22718e0f48a3cb83e095	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saienuun\a2f4228d = 580797c28c3ee999c1532872d837ba2f75f65a8135cd771d0336aed98dd1280409bfe2e03fd561ebb53eb01167abeede05ccfaef0f383918f642d5b2d5ef4c37aed704e097683dc9a446a89176024adfedbe7446f469e45ab56305ff11b491d3264a160e89ff2a92d825c01dbec6775c27	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1288	rundll32.exe
272	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1288	rundll32.exe
272	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1288	1272	rundll32.exe	27
PID 1272 wrote to memory of 1288	1272	rundll32.exe	27
PID 1272 wrote to memory of 1288	1272	rundll32.exe	27
PID 1272 wrote to memory of 1288	1272	rundll32.exe	27
PID 1272 wrote to memory of 1288	1272	rundll32.exe	27
PID 1272 wrote to memory of 1288	1272	rundll32.exe	27
PID 1272 wrote to memory of 1288	1272	rundll32.exe	27
PID 1288 wrote to memory of 976	1288	rundll32.exe	28
PID 1288 wrote to memory of 976	1288	rundll32.exe	28
PID 1288 wrote to memory of 976	1288	rundll32.exe	28
PID 1288 wrote to memory of 976	1288	rundll32.exe	28
PID 1288 wrote to memory of 976	1288	rundll32.exe	28
PID 1288 wrote to memory of 976	1288	rundll32.exe	28
PID 976 wrote to memory of 1836	976	explorer.exe	29
PID 976 wrote to memory of 1836	976	explorer.exe	29
PID 976 wrote to memory of 1836	976	explorer.exe	29
PID 976 wrote to memory of 1836	976	explorer.exe	29
PID 1816 wrote to memory of 1348	1816	taskeng.exe	34
PID 1816 wrote to memory of 1348	1816	taskeng.exe	34
PID 1816 wrote to memory of 1348	1816	taskeng.exe	34
PID 1816 wrote to memory of 1348	1816	taskeng.exe	34
PID 1816 wrote to memory of 1348	1816	taskeng.exe	34
PID 1348 wrote to memory of 272	1348	regsvr32.exe	35
PID 1348 wrote to memory of 272	1348	regsvr32.exe	35
PID 1348 wrote to memory of 272	1348	regsvr32.exe	35
PID 1348 wrote to memory of 272	1348	regsvr32.exe	35
PID 1348 wrote to memory of 272	1348	regsvr32.exe	35
PID 1348 wrote to memory of 272	1348	regsvr32.exe	35
PID 1348 wrote to memory of 272	1348	regsvr32.exe	35
PID 272 wrote to memory of 1892	272	regsvr32.exe	36
PID 272 wrote to memory of 1892	272	regsvr32.exe	36
PID 272 wrote to memory of 1892	272	regsvr32.exe	36
PID 272 wrote to memory of 1892	272	regsvr32.exe	36
PID 272 wrote to memory of 1892	272	regsvr32.exe	36
PID 272 wrote to memory of 1892	272	regsvr32.exe	36
PID 1892 wrote to memory of 1244	1892	explorer.exe	37
PID 1892 wrote to memory of 1244	1892	explorer.exe	37
PID 1892 wrote to memory of 1244	1892	explorer.exe	37
PID 1892 wrote to memory of 1244	1892	explorer.exe	37
PID 1892 wrote to memory of 1944	1892	explorer.exe	39
PID 1892 wrote to memory of 1944	1892	explorer.exe	39
PID 1892 wrote to memory of 1944	1892	explorer.exe	39
PID 1892 wrote to memory of 1944	1892	explorer.exe	39

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89d3554f5ff07d72e5bd4d1b8de3934b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89d3554f5ff07d72e5bd4d1b8de3934b.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1288
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:976
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rltcfdux /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\89d3554f5ff07d72e5bd4d1b8de3934b.dll\"" /SC ONCE /Z /ST 13:54 /ET 14:06
      4⤵
      Creates scheduled task(s)
      PID:1836

C:\Windows\system32\taskeng.exe
taskeng.exe {EEAD8F22-8B21-452D-9DDC-509341AB15E0} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\89d3554f5ff07d72e5bd4d1b8de3934b.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\regsvr32.exe
    -s "C:\Users\Admin\AppData\Local\Temp\89d3554f5ff07d72e5bd4d1b8de3934b.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:272
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      Modifies data under HKEY_USERS
      Suspicious use of WriteProcessMemory
      PID:1892
    - - C:\Windows\system32\reg.exe
        
        C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Walixwdc" /d "0"
        5⤵
        
        PID:1244
    - - C:\Windows\system32\reg.exe
        
        C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Nunsboawysv" /d "0"
        5⤵
        
        PID:1944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/272-75-0x0000000000190000-0x0000000000191000-memory.dmp

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memory/272-70-0x0000000010000000-0x0000000010119000-memory.dmp

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memory/976-59-0x0000000074681000-0x0000000074683000-memory.dmp

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memory/976-61-0x0000000000080000-0x00000000000A1000-memory.dmp

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memory/1288-60-0x0000000000130000-0x0000000000131000-memory.dmp

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memory/1288-55-0x0000000010000000-0x0000000010021000-memory.dmp

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memory/1288-56-0x0000000010000000-0x0000000010119000-memory.dmp

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memory/1288-54-0x0000000075331000-0x0000000075333000-memory.dmp

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memory/1348-64-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

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memory/1892-76-0x0000000000080000-0x00000000000A1000-memory.dmp

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