qakbot | a23ef053cccf6a35fda9adc5f1702ba99a7be695107d3ba5d1ea8c9c258299e4

General

Target

231009-z28plaad66.exe
Size

1.2MB
MD5

136b9c85525ba66276b8c9f6b7014b0b
SHA1

0cf5ba13d14c28c60586c7f4b9679925fa4d4172
SHA256

a23ef053cccf6a35fda9adc5f1702ba99a7be695107d3ba5d1ea8c9c258299e4
SHA512

0c02b116029a7d4f4c44988dc6220ed4050c94cab6e57f4aeb29d8edd0b8b59e74c89d6bd62e6e828826f44ebfb478280051ca289ea712c52d5fd113541e2590
SSDEEP

6144:JanAo3boaSrTBRc6nWF84LvSkgNSjEtIovH6DgJG3uhRtSUgnSt9BYbC38g/T4J:JaAKoRrTBHWC4LINSjA/EMGU/SHomaI

Score

10^/10

qakbot spx133 1591267427 banker cryptone evasion packer stealer trojan

Malware Config

Extracted

Family

qakbot

Version

324.142

Botnet

spx133

Campaign

1591267427

C2

49.144.84.21:443

189.159.133.162:995

173.245.152.231:443

77.237.181.212:995

207.255.161.8:2078

76.187.8.160:443

207.255.161.8:2087

98.219.77.197:443

66.222.88.126:995

207.255.161.8:32102

108.58.9.238:995

47.152.210.233:443

1.40.42.4:443

188.27.71.163:443

82.127.193.151:2222

104.50.141.139:995

67.83.54.76:2222

86.126.97.183:2222

73.94.229.115:443

47.35.182.97:443

Signatures

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Turns off Windows Defender SpyNet reporting 2 TTPs
evasion

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii = "0"	reg.exe

CryptOne packer 1 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe	cryptone

Executes dropped EXE 4 IoCs

Processes:

legeelyy.exelegeelyy.exelegeelyy.exelegeelyy.exe

pid process

2752 legeelyy.exe
2412 legeelyy.exe
1548 legeelyy.exe
2952 legeelyy.exe
Loads dropped DLL 3 IoCs

Processes:

231009-z28plaad66.exe231009-z28plaad66.exe

pid process

1740 231009-z28plaad66.exe
1740 231009-z28plaad66.exe
1056 231009-z28plaad66.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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/Job
T1053

Processes:

schtasks.exe

pid process

2748 schtasks.exe

pid	process
2752	legeelyy.exe
2412	legeelyy.exe
1548	legeelyy.exe
2952	legeelyy.exe

pid	process
2748	schtasks.exe

Modifies data under HKEY_USERS 3 IoCs

Processes:

231009-z28plaad66.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	231009-z28plaad66.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	231009-z28plaad66.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	231009-z28plaad66.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

556 PING.EXE

pid	process
556	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

231009-z28plaad66.exe231009-z28plaad66.exelegeelyy.exelegeelyy.exeexplorer.exe231009-z28plaad66.exelegeelyy.exelegeelyy.exe

pid	process
1740	231009-z28plaad66.exe
3048	231009-z28plaad66.exe
3048	231009-z28plaad66.exe
2752	legeelyy.exe
2412	legeelyy.exe
2412	legeelyy.exe
2864	explorer.exe
2864	explorer.exe
1056	231009-z28plaad66.exe
1548	legeelyy.exe
2952	legeelyy.exe
2952	legeelyy.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

legeelyy.exe

pid process

2752 legeelyy.exe

pid	process
2752	legeelyy.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

231009-z28plaad66.exelegeelyy.exetaskeng.exe231009-z28plaad66.exe

description	pid	process	target process
PID 1740 wrote to memory of 3048	1740	231009-z28plaad66.exe	231009-z28plaad66.exe
PID 1740 wrote to memory of 3048	1740	231009-z28plaad66.exe	231009-z28plaad66.exe
PID 1740 wrote to memory of 3048	1740	231009-z28plaad66.exe	231009-z28plaad66.exe
PID 1740 wrote to memory of 3048	1740	231009-z28plaad66.exe	231009-z28plaad66.exe
PID 1740 wrote to memory of 2752	1740	231009-z28plaad66.exe	legeelyy.exe
PID 1740 wrote to memory of 2752	1740	231009-z28plaad66.exe	legeelyy.exe
PID 1740 wrote to memory of 2752	1740	231009-z28plaad66.exe	legeelyy.exe
PID 1740 wrote to memory of 2752	1740	231009-z28plaad66.exe	legeelyy.exe
PID 1740 wrote to memory of 2748	1740	231009-z28plaad66.exe	schtasks.exe
PID 1740 wrote to memory of 2748	1740	231009-z28plaad66.exe	schtasks.exe
PID 1740 wrote to memory of 2748	1740	231009-z28plaad66.exe	schtasks.exe
PID 1740 wrote to memory of 2748	1740	231009-z28plaad66.exe	schtasks.exe
PID 2752 wrote to memory of 2412	2752	legeelyy.exe	legeelyy.exe
PID 2752 wrote to memory of 2412	2752	legeelyy.exe	legeelyy.exe
PID 2752 wrote to memory of 2412	2752	legeelyy.exe	legeelyy.exe
PID 2752 wrote to memory of 2412	2752	legeelyy.exe	legeelyy.exe
PID 2752 wrote to memory of 2864	2752	legeelyy.exe	explorer.exe
PID 2752 wrote to memory of 2864	2752	legeelyy.exe	explorer.exe
PID 2752 wrote to memory of 2864	2752	legeelyy.exe	explorer.exe
PID 2752 wrote to memory of 2864	2752	legeelyy.exe	explorer.exe
PID 2752 wrote to memory of 2864	2752	legeelyy.exe	explorer.exe
PID 1872 wrote to memory of 1056	1872	taskeng.exe	231009-z28plaad66.exe
PID 1872 wrote to memory of 1056	1872	taskeng.exe	231009-z28plaad66.exe
PID 1872 wrote to memory of 1056	1872	taskeng.exe	231009-z28plaad66.exe
PID 1872 wrote to memory of 1056	1872	taskeng.exe	231009-z28plaad66.exe
PID 1056 wrote to memory of 2516	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2516	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2516	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2516	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1616	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1616	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1616	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1616	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2120	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2120	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2120	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2120	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2728	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2728	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2728	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2728	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1624	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1624	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1624	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1624	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2112	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2112	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2112	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2112	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2776	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2776	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2776	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 2776	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 596	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 596	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 596	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 596	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 652	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 652	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 652	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 652	1056	231009-z28plaad66.exe	reg.exe
PID 1056 wrote to memory of 1548	1056	231009-z28plaad66.exe	legeelyy.exe
PID 1056 wrote to memory of 1548	1056	231009-z28plaad66.exe	legeelyy.exe
PID 1056 wrote to memory of 1548	1056	231009-z28plaad66.exe	legeelyy.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe
"C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe
C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe /C
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3048

C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2752

C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe /C
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2412

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2864

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pdtxkmas /tr "\"C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe\" /I pdtxkmas" /SC ONCE /Z /ST 13:20 /ET 13:32
2⤵
- Creates scheduled task(s)
PID:2748

C:\Windows\system32\taskeng.exe
taskeng.exe {A5422C68-0CD9-464A-ABD2-061AA5325196} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1872

C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe
C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe /I pdtxkmas
2⤵
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
3⤵
PID:2516

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
3⤵
PID:1616

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
3⤵
PID:2120

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
3⤵
PID:2728

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\SpyNet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
3⤵
PID:1624

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\SpyNet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
3⤵
PID:2112

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
3⤵
PID:2776

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
3⤵
PID:596

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\Yapurii" /d "0"
3⤵
- Windows security bypass
PID:652

C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1548

C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe /C
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2952

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping.exe -n 6 127.0.0.1 & type "C:\Windows\System32\calc.exe" > "C:\Users\Admin\AppData\Local\Temp\231009-z28plaad66.exe"
3⤵
PID:656

C:\Windows\system32\PING.EXE
ping.exe -n 6 127.0.0.1
4⤵
- Runs ping.exe
PID:556

C:\Windows\system32\schtasks.exe
"C:\Windows\system32\schtasks.exe" /DELETE /F /TN pdtxkmas
3⤵
PID:1972

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.dat
Filesize
63B

MD5
b3833579546837221e75952ba307a96d

SHA1
f390d0e3fb76cc210049b78feb29c6de4f876ad5

SHA256
b4ecc15bd77583e86dcbfdfe75e1817617b430184027f4aa8a7dc675ba8480ca

SHA512
7c98c932ed53d6d6d0acd2c123cc84c94fe9baddd3401a418e2274569cced0917202435b31bff61ea17224ab1bce092715dba93d230d9b7c2068b8505ae9d34d

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Yapurii\legeelyy.exe
Filesize
1.2MB

MD5
136b9c85525ba66276b8c9f6b7014b0b

SHA1
0cf5ba13d14c28c60586c7f4b9679925fa4d4172

SHA256
a23ef053cccf6a35fda9adc5f1702ba99a7be695107d3ba5d1ea8c9c258299e4

SHA512
0c02b116029a7d4f4c44988dc6220ed4050c94cab6e57f4aeb29d8edd0b8b59e74c89d6bd62e6e828826f44ebfb478280051ca289ea712c52d5fd113541e2590

Download Submit
memory/1056-39-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1056-36-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1548-41-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1548-43-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1548-46-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1740-16-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1740-3-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1740-0-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1740-2-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/1740-1-0x0000000000240000-0x0000000000277000-memory.dmp

Filesize
220KB

Download
memory/2412-21-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2412-22-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2752-17-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2752-20-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2752-27-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2864-25-0x0000000000410000-0x0000000000443000-memory.dmp

Filesize
204KB

Download
memory/2864-29-0x0000000000410000-0x0000000000443000-memory.dmp

Filesize
204KB

Download
memory/2864-31-0x0000000000410000-0x0000000000443000-memory.dmp

Filesize
204KB

Download
memory/2864-34-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/2864-35-0x0000000000410000-0x0000000000443000-memory.dmp

Filesize
204KB

Download
memory/2864-28-0x0000000000410000-0x0000000000443000-memory.dmp

Filesize
204KB

Download
memory/2864-24-0x0000000000410000-0x0000000000443000-memory.dmp

Filesize
204KB

Download
memory/2864-23-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/2952-44-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2952-45-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/3048-5-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/3048-4-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads