qakbot | 41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc

General

Target

41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll
Size

472KB
MD5

cafa0dc9bed83ab89331b03f575a6bc7
SHA1

79f19eda2943d515dd0c3ad80278cacac7826a05
SHA256

41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc
SHA512

b9f60725b9cc30e7f6c0f934bc9a1af0b6ffa92389b171e0477f56e1674a0a2530d07c31985e9dd19b055fa35a995f22ba667e51c785ad7f77f2f3f71fc14c37

Score

10^/10

qakbot tr 1632817399 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1632817399

C2

105.198.236.99:443

140.82.49.12:443

37.210.152.224:995

89.101.97.139:443

81.241.252.59:2078

27.223.92.142:995

81.250.153.227:2222

73.151.236.31:443

47.22.148.6:443

122.11.220.212:2222

120.151.47.189:443

199.27.127.129:443

216.201.162.158:443

136.232.34.70:443

76.25.142.196:443

181.118.183.94:443

120.150.218.241:995

185.250.148.74:443

95.77.223.148:443

75.66.88.33:443

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

Processes:

regsvr32.exe

pid process

1072 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

972 schtasks.exe

pid	process
1072	regsvr32.exe

pid	process
972	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Ymdrrkudnm	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\b8d17efc = fc7e497ac3e6257116f4d5dd37ee02ec1fd52d58d1d12e8354c32ca55559886d8af1a7ef0198a644df713089bc4eb7401da389d462d82c268dcf75b2eb4cea56ca438f53a187ad9619cd19807df016c35a417d268765d1a8a4eb9420430f26b326e74e7cfb0690a1e52d5d6e656861232f41cc8fcf5d2ebea32cd2a0a0c73a6f611f8b3e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\ba905e80 = 3e60990928ce1ea29ac3504e719da1e6c2fd6cabe505ab8f99e4e781d309093d6a0a443815c6ceb37c8d5aa2eeb834ff5d30d859fbae26d9e29cf2c2444648efeea959ea3205b76782759be43cee6ce2c53cc00f82bfa063f808770ec1	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\22c39e5 = 964e3b2af77a70c0698c9664a7994837da444a00295637d2befa2f83fe334c247f7f4e0b89e9919cc6d1755806d5f28704665fecccc563c36bf9ff053d0bb83c9c5554cf66a70d28f0849d95b586d988382898673332	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\f207c144 = fa797b78c1a8a171fd3135b118787f264370a5fd	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\8d4eaeb2 = 094dba3ad8a5199ebdbfd61eb01e5897ac34033390dce93088e7b9fad069cc3a469d6c09cc5e9c72a9c52c3f8cc2894b967170e03fcd389ea53abb098b301141c19ebab66c005751ad1594b1254f5331df3197247e7aa0542d9e5744c00c5eacbc358a2def44f481e3a9abf7246310a3401691dc21fcbdb0231ce7c8096b92	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\8d4eaeb2 = 094dad3ad8a52cc6828d35518382b33af18c41125ef804191c09ed01cce1e8bd61bd4c8c1a04ddfb17bcee7efd68f4330334e690061ac331a1876d2b0d7af61689a9811828605835ef655b1c3c80d73df3b178fa562c29b711cbda9ed9a0078cd2075d586718ab045727	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\7f24766f = 37217f85d22b24d081b6c4ca0f4de8938ed0fa7cb94392d69a2334d3ba7ea157fe9eac87cdb2c6cb610288f61de7e13a5f9083eeefa377cfdc21c33a84420f305f69e5fa4848bd22b436428a8923b78a2a2c702c7b11a90971c8eab6d104c7ff4497	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\c798110a = 77a79b54a2022293bb67b97f1f6430b5af18d6677dd652217351063b27dbac62087eb56e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Ymdrrkudnm\6d1999 = f1d3b6265d8360b6cf73b14646f94d8f7d36	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

832 rundll32.exe
1072 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

832 rundll32.exe
1072 regsvr32.exe

pid	process
832	rundll32.exe
1072	regsvr32.exe

pid	process
832	rundll32.exe
1072	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1116 wrote to memory of 832	1116	rundll32.exe	rundll32.exe
PID 1116 wrote to memory of 832	1116	rundll32.exe	rundll32.exe
PID 1116 wrote to memory of 832	1116	rundll32.exe	rundll32.exe
PID 1116 wrote to memory of 832	1116	rundll32.exe	rundll32.exe
PID 1116 wrote to memory of 832	1116	rundll32.exe	rundll32.exe
PID 1116 wrote to memory of 832	1116	rundll32.exe	rundll32.exe
PID 1116 wrote to memory of 832	1116	rundll32.exe	rundll32.exe
PID 832 wrote to memory of 1616	832	rundll32.exe	explorer.exe
PID 832 wrote to memory of 1616	832	rundll32.exe	explorer.exe
PID 832 wrote to memory of 1616	832	rundll32.exe	explorer.exe
PID 832 wrote to memory of 1616	832	rundll32.exe	explorer.exe
PID 832 wrote to memory of 1616	832	rundll32.exe	explorer.exe
PID 832 wrote to memory of 1616	832	rundll32.exe	explorer.exe
PID 1616 wrote to memory of 972	1616	explorer.exe	schtasks.exe
PID 1616 wrote to memory of 972	1616	explorer.exe	schtasks.exe
PID 1616 wrote to memory of 972	1616	explorer.exe	schtasks.exe
PID 1616 wrote to memory of 972	1616	explorer.exe	schtasks.exe
PID 1484 wrote to memory of 1492	1484	taskeng.exe	regsvr32.exe
PID 1484 wrote to memory of 1492	1484	taskeng.exe	regsvr32.exe
PID 1484 wrote to memory of 1492	1484	taskeng.exe	regsvr32.exe
PID 1484 wrote to memory of 1492	1484	taskeng.exe	regsvr32.exe
PID 1484 wrote to memory of 1492	1484	taskeng.exe	regsvr32.exe
PID 1492 wrote to memory of 1072	1492	regsvr32.exe	regsvr32.exe
PID 1492 wrote to memory of 1072	1492	regsvr32.exe	regsvr32.exe
PID 1492 wrote to memory of 1072	1492	regsvr32.exe	regsvr32.exe
PID 1492 wrote to memory of 1072	1492	regsvr32.exe	regsvr32.exe
PID 1492 wrote to memory of 1072	1492	regsvr32.exe	regsvr32.exe
PID 1492 wrote to memory of 1072	1492	regsvr32.exe	regsvr32.exe
PID 1492 wrote to memory of 1072	1492	regsvr32.exe	regsvr32.exe
PID 1072 wrote to memory of 1120	1072	regsvr32.exe	explorer.exe
PID 1072 wrote to memory of 1120	1072	regsvr32.exe	explorer.exe
PID 1072 wrote to memory of 1120	1072	regsvr32.exe	explorer.exe
PID 1072 wrote to memory of 1120	1072	regsvr32.exe	explorer.exe
PID 1072 wrote to memory of 1120	1072	regsvr32.exe	explorer.exe
PID 1072 wrote to memory of 1120	1072	regsvr32.exe	explorer.exe
PID 1120 wrote to memory of 1076	1120	explorer.exe	reg.exe
PID 1120 wrote to memory of 1076	1120	explorer.exe	reg.exe
PID 1120 wrote to memory of 1076	1120	explorer.exe	reg.exe
PID 1120 wrote to memory of 1076	1120	explorer.exe	reg.exe
PID 1120 wrote to memory of 1432	1120	explorer.exe	reg.exe
PID 1120 wrote to memory of 1432	1120	explorer.exe	reg.exe
PID 1120 wrote to memory of 1432	1120	explorer.exe	reg.exe
PID 1120 wrote to memory of 1432	1120	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ylsdlpka /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll\"" /SC ONCE /Z /ST 16:29 /ET 16:41
4⤵
- Creates scheduled task(s)
PID:972

C:\Windows\system32\taskeng.exe
taskeng.exe {051C2B15-16C4-49C2-9116-83C8EAE8EFD6} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1120

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\Gevirthq" /d "0"
5⤵
PID:1076

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\Rzugeocczz" /d "0"
5⤵
PID:1432

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\41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll
MD5
cafa0dc9bed83ab89331b03f575a6bc7

SHA1
79f19eda2943d515dd0c3ad80278cacac7826a05

SHA256
41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc

SHA512
b9f60725b9cc30e7f6c0f934bc9a1af0b6ffa92389b171e0477f56e1674a0a2530d07c31985e9dd19b055fa35a995f22ba667e51c785ad7f77f2f3f71fc14c37

Download Submit
\Users\Admin\AppData\Local\Temp\41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc.dll
MD5
cafa0dc9bed83ab89331b03f575a6bc7

SHA1
79f19eda2943d515dd0c3ad80278cacac7826a05

SHA256
41dd0bd719d55ba7aad212f014ab9ca3f53451d2764a4d2131ca4b56cd7e89bc

SHA512
b9f60725b9cc30e7f6c0f934bc9a1af0b6ffa92389b171e0477f56e1674a0a2530d07c31985e9dd19b055fa35a995f22ba667e51c785ad7f77f2f3f71fc14c37

Download Submit
memory/832-61-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/832-54-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/832-55-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/832-56-0x0000000010000000-0x0000000010085000-memory.dmp

Filesize
532KB

Download
memory/832-53-0x0000000000000000-mapping.dmp

Download
memory/972-60-0x0000000000000000-mapping.dmp

Download
memory/1072-75-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1072-66-0x0000000000000000-mapping.dmp

Download
memory/1072-70-0x0000000010000000-0x0000000010085000-memory.dmp

Filesize
532KB

Download
memory/1076-74-0x0000000000000000-mapping.dmp

Download
memory/1120-71-0x0000000000000000-mapping.dmp

Download
memory/1120-76-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1432-77-0x0000000000000000-mapping.dmp

Download
memory/1492-64-0x000007FEFB891000-0x000007FEFB893000-memory.dmp

Filesize
8KB

Download
memory/1492-63-0x0000000000000000-mapping.dmp

Download
memory/1616-62-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1616-59-0x0000000074461000-0x0000000074463000-memory.dmp

Filesize
8KB

Download
memory/1616-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads