qakbot | 2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d

General

Target

2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll
Size

802KB
MD5

27fa065f4f449f7f912b5526b35f9c3a
SHA1

c7b492596c97b36d4801de18cf67f01716575f97
SHA256

2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d
SHA512

c0c2d83f17679a37cdd89fb04627de4d18693aacaf3d8d7726c1d5563ba396bc63e6bca5cefe39290de2aeddfbea69c525600c0e3eddc84243f0d5c6e5d0207e

Score

10^/10

qakbot tr 1632730751 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

402.343

Botnet

tr

Campaign

1632730751

C2

95.77.223.148:443

47.22.148.6:443

89.101.97.139:443

27.223.92.142:995

120.151.47.189:443

136.232.34.70:443

120.150.218.241:995

185.250.148.74:443

181.118.183.94:443

140.82.49.12:443

67.165.206.193:993

103.148.120.144:443

71.74.12.34:443

76.25.142.196:443

73.151.236.31:443

173.21.10.71:2222

75.188.35.168:443

2.178.88.145:61202

71.80.168.245:443

45.46.53.140:2222

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

Processes:

regsvr32.exe

pid process

1424 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

Processes:

schtasks.exe

pid process

1396 schtasks.exe

pid	process
1424	regsvr32.exe

pid	process
1396	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Yawkutyi	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\c3577f82 = ac7c9b9bc703bfb250929852e092bb34202ecba99d57f89a99aa210cd3c903626ce051e5c471f595b45e03d82dde86951f27c3367c4b8b686186f46acceeb55b6fde942a22b927da	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\f6c8afcc = 77a02ec98bb32fc8624a4e7d9656c13df4c9a75b3fc549ea56e3ad1d3dc7a127067276d7b74bd00d1a822d9afc3d66a5f1231dbdd53c4f98ef094e8352a4aa81fd7659f01dec71e0a401df04e2d47da4d0a2d8f6929b0e85c2346e1066fed536b65dbc147e33d8f3d896537017551dad9b3e6c3909f879ffb0f380eba52329e5cfa58dba1c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\f4898fb0 = 79c25dd3c5f0dfa2112c224a79a96a48c2ba9f4dd20843ee5963822553cdc616a2d0ebe6bfeaf050b7cfcab22d7ebb2f0da8ad4a88566dd4e95401f4bec06c94c4f41e959d82d662d0cf35f2eae5a201	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\4c35e8d5 = c5be488bf9974f91132bdddc94bb87a98f805b4e04c432bfafd65dd0f3865192	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\c3577f82 = ac7c8c9bc7038a1ad2b399974dc5acb79df085dc2c19bfc5cc3f0527bfd56f7094b8b1ad9e7140b8960269d0dad3da8c6309ffd68c38bf442a741823ded8c9a251b1aeccdc8036b0c3cad5f4e58f98ac685dd0e646e7cb2ee3568d199f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\313da75f = b5332e5b0a1d92cfe450f2f8f7d45bcc19309a	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\8981c03a = c5d7d99e07599777f9bf738f8c7899e8dddc47a92b1d487c100b63110012f22c437060a5af981fef4d65	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\4e74c8a9 = f2757ebb10e8aa842daf379bfdcbfac9e158b099a4c3fb8b2c5deb921a9f4f3731e121fc31386584460c8efc083d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Yawkutyi\bc1e1074 = a90100b855796fdf081a7bfe74550c6a5693548c4e6a762ac19596143f5da54d296fa587831bf389bd0c9b2f015d09	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1208 rundll32.exe
1424 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1208 rundll32.exe
1424 regsvr32.exe

pid	process
1208	rundll32.exe
1424	regsvr32.exe

pid	process
1208	rundll32.exe
1424	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 684 wrote to memory of 1208	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1208	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1208	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1208	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1208	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1208	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1208	684	rundll32.exe	rundll32.exe
PID 1208 wrote to memory of 1664	1208	rundll32.exe	explorer.exe
PID 1208 wrote to memory of 1664	1208	rundll32.exe	explorer.exe
PID 1208 wrote to memory of 1664	1208	rundll32.exe	explorer.exe
PID 1208 wrote to memory of 1664	1208	rundll32.exe	explorer.exe
PID 1208 wrote to memory of 1664	1208	rundll32.exe	explorer.exe
PID 1208 wrote to memory of 1664	1208	rundll32.exe	explorer.exe
PID 1664 wrote to memory of 1396	1664	explorer.exe	schtasks.exe
PID 1664 wrote to memory of 1396	1664	explorer.exe	schtasks.exe
PID 1664 wrote to memory of 1396	1664	explorer.exe	schtasks.exe
PID 1664 wrote to memory of 1396	1664	explorer.exe	schtasks.exe
PID 1308 wrote to memory of 1500	1308	taskeng.exe	regsvr32.exe
PID 1308 wrote to memory of 1500	1308	taskeng.exe	regsvr32.exe
PID 1308 wrote to memory of 1500	1308	taskeng.exe	regsvr32.exe
PID 1308 wrote to memory of 1500	1308	taskeng.exe	regsvr32.exe
PID 1308 wrote to memory of 1500	1308	taskeng.exe	regsvr32.exe
PID 1500 wrote to memory of 1424	1500	regsvr32.exe	regsvr32.exe
PID 1500 wrote to memory of 1424	1500	regsvr32.exe	regsvr32.exe
PID 1500 wrote to memory of 1424	1500	regsvr32.exe	regsvr32.exe
PID 1500 wrote to memory of 1424	1500	regsvr32.exe	regsvr32.exe
PID 1500 wrote to memory of 1424	1500	regsvr32.exe	regsvr32.exe
PID 1500 wrote to memory of 1424	1500	regsvr32.exe	regsvr32.exe
PID 1500 wrote to memory of 1424	1500	regsvr32.exe	regsvr32.exe
PID 1424 wrote to memory of 660	1424	regsvr32.exe	explorer.exe
PID 1424 wrote to memory of 660	1424	regsvr32.exe	explorer.exe
PID 1424 wrote to memory of 660	1424	regsvr32.exe	explorer.exe
PID 1424 wrote to memory of 660	1424	regsvr32.exe	explorer.exe
PID 1424 wrote to memory of 660	1424	regsvr32.exe	explorer.exe
PID 1424 wrote to memory of 660	1424	regsvr32.exe	explorer.exe
PID 660 wrote to memory of 1492	660	explorer.exe	reg.exe
PID 660 wrote to memory of 1492	660	explorer.exe	reg.exe
PID 660 wrote to memory of 1492	660	explorer.exe	reg.exe
PID 660 wrote to memory of 1492	660	explorer.exe	reg.exe
PID 660 wrote to memory of 1120	660	explorer.exe	reg.exe
PID 660 wrote to memory of 1120	660	explorer.exe	reg.exe
PID 660 wrote to memory of 1120	660	explorer.exe	reg.exe
PID 660 wrote to memory of 1120	660	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cnaaglw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll\"" /SC ONCE /Z /ST 21:13 /ET 21:25
4⤵
- Creates scheduled task(s)
PID:1396

C:\Windows\system32\taskeng.exe
taskeng.exe {C7FFF676-C3F9-4723-9186-838FD0BED8BF} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1500

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:660

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\Ajiyeefub" /d "0"
5⤵
PID:1492

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\Oteuuirc" /d "0"
5⤵
PID:1120

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

Disabling Security Tools

1

T1089

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll
MD5
27fa065f4f449f7f912b5526b35f9c3a

SHA1
c7b492596c97b36d4801de18cf67f01716575f97

SHA256
2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d

SHA512
c0c2d83f17679a37cdd89fb04627de4d18693aacaf3d8d7726c1d5563ba396bc63e6bca5cefe39290de2aeddfbea69c525600c0e3eddc84243f0d5c6e5d0207e

Download Submit
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d.dll
MD5
27fa065f4f449f7f912b5526b35f9c3a

SHA1
c7b492596c97b36d4801de18cf67f01716575f97

SHA256
2631d4a0b904c88cfce76f7db09d1d40216a8eb9d949f1641a3ddea4faa5717d

SHA512
c0c2d83f17679a37cdd89fb04627de4d18693aacaf3d8d7726c1d5563ba396bc63e6bca5cefe39290de2aeddfbea69c525600c0e3eddc84243f0d5c6e5d0207e

Download Submit
memory/660-84-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/660-78-0x0000000000000000-mapping.dmp

Download
memory/1120-85-0x0000000000000000-mapping.dmp

Download
memory/1208-64-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/1208-60-0x0000000000000000-mapping.dmp

Download
memory/1208-62-0x0000000074600000-0x0000000074621000-memory.dmp

Filesize
132KB

Download
memory/1208-63-0x0000000074600000-0x0000000074768000-memory.dmp

Filesize
1.4MB

Download
memory/1208-61-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/1396-68-0x0000000000000000-mapping.dmp

Download
memory/1424-83-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1424-73-0x0000000000000000-mapping.dmp

Download
memory/1424-77-0x0000000073BD0000-0x0000000073D38000-memory.dmp

Filesize
1.4MB

Download
memory/1424-76-0x0000000073BD0000-0x0000000073BF1000-memory.dmp

Filesize
132KB

Download
memory/1492-82-0x0000000000000000-mapping.dmp

Download
memory/1500-71-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

Filesize
8KB

Download
memory/1500-70-0x0000000000000000-mapping.dmp

Download
memory/1664-69-0x00000000000C0000-0x00000000000E1000-memory.dmp

Filesize
132KB

Download
memory/1664-67-0x0000000074491000-0x0000000074493000-memory.dmp

Filesize
8KB

Download
memory/1664-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads