qakbot | 532fbe194acb281ef6be139e0724a46d9936606b190b62bc57ba0859b2b61b8c

General

Target

yn.dll
Size

1.1MB
MD5

557d5118e28207d90e80f2dd90e23bfb
SHA1

b871a809f1ea0c6c43e92c3479d1bde6157d939f
SHA256

532fbe194acb281ef6be139e0724a46d9936606b190b62bc57ba0859b2b61b8c
SHA512

8461d347c2da986b7222e076bbbc97c6d43577a48cf31b4255090ad665b72330ce1ce825b8e248e9c7e4c14b8541c2649dd2d39d4e8a63e58bb1056e89bad0c6

Score

10^/10

qakbot tr 1643025272 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

tr

Campaign

1643025272

C2

103.143.8.71:6881

37.210.172.200:2222

136.143.11.232:443

190.73.3.148:2222

78.101.147.76:61202

82.152.39.39:443

65.100.174.110:995

65.100.174.110:443

111.125.245.116:995

117.248.109.38:21

31.215.99.178:443

103.142.10.177:443

39.49.110.129:995

86.97.246.244:1194

68.204.7.158:443

217.128.93.27:2222

144.86.28.125:443

94.59.253.222:2222

120.150.218.241:995

185.249.85.209:443

Attributes

salt
jHxastDcds)oMc=jvh7wdUhxcsdt2

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

68 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

3488 schtasks.exe

pid	process
68	regsvr32.exe

pid	process
3488	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\528d3e80 = 26210c38f7e57af4223ba308b55b19a5bfc288cd4b9188e705724edefe4e07b91511a796935deac1a7666ca52f1e6f29c9c214926906e8711c9dfccec204b6155a520703e22e99d20d157ba3c8801c1dd955b368bf3931a910b0da985e7f0b28228114198c4897e1cd282e80e6d989bc07b56fe5f7426785f278ee9bd116	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\50cc1efc = bc1b3d91363af9feaae35d01719ada16e642da798cbee2d00483ade766f86442e0b33c517e3ab1	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\95783613 = d9b79c65b4a20dc92e0e7ddb8c1c	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\2dc45176 = e290ff094357ede35829947ea48abd6d4cc32db97cb2d586f2d00b8d4814db3b789aafa0c40e1707b1324f0ce79d20a2d72525	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\6712eece = 058d79e2f2206831ca764337e87f3cfae2c01bbdbd56db1886a4e0249229e07feaf0daafb6d8fbeda23f0646d521ed6b0e2699b684257790e6bee4b68c63ce2087304a7ec6c28ab70bc2a2ed3cec25	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\e8707999 = e3e2f026f3f83f7a73fbb885bcda926b11e6fbb5ff48429677db1c0038b0824792834cc2f5a0d78f39	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\ea3159e5 = 892c349dbfde7c39b641dadabb1194dccbc1ef18ec6b5428b49d9893629819ed9565a0e84ebb84ea8f36247132008072e0eae4496e7b006fe51bcfa325c6ae0f149e2387e4958b3499e005bd586d466624823245a70c094b96f8674425069258465db92784	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\185b8138 = 45d26a5ad26192125089574215e4a763ee5ab93be276d535d25f9476b05aea2ec84daebf92fb8e847f52ec46ddaf0c30f3466861022e9f3ceeca823cfcc5176ab3ceee8fefdf7a6c426e1764883081	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Aslyeoci\6712eece = 058d6ee2f2205d7bce408165d8bce0664cc5bbec9c25e3aac6f2baac89a7d274bc86d4f373737567deb6a489f73d2d75d5fb3d3f2f3865b3a5f3d5a5ab3e1c57c32725eb23f54437cdd11e52c8a93228cf4d0ee63865e6a0d015ffed06ade7d0fcdb15a5	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2404 regsvr32.exe
2404 regsvr32.exe
68 regsvr32.exe
68 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2404 regsvr32.exe
68 regsvr32.exe

pid	process
2404	regsvr32.exe
2404	regsvr32.exe
68	regsvr32.exe
68	regsvr32.exe

pid	process
2404	regsvr32.exe
68	regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

regsvr32.exeregsvr32.exeexplorer.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 2056 wrote to memory of 2404	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2404	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2404	2056	regsvr32.exe	regsvr32.exe
PID 2404 wrote to memory of 2752	2404	regsvr32.exe	explorer.exe
PID 2404 wrote to memory of 2752	2404	regsvr32.exe	explorer.exe
PID 2404 wrote to memory of 2752	2404	regsvr32.exe	explorer.exe
PID 2404 wrote to memory of 2752	2404	regsvr32.exe	explorer.exe
PID 2404 wrote to memory of 2752	2404	regsvr32.exe	explorer.exe
PID 2752 wrote to memory of 3488	2752	explorer.exe	schtasks.exe
PID 2752 wrote to memory of 3488	2752	explorer.exe	schtasks.exe
PID 2752 wrote to memory of 3488	2752	explorer.exe	schtasks.exe
PID 2804 wrote to memory of 68	2804	regsvr32.exe	regsvr32.exe
PID 2804 wrote to memory of 68	2804	regsvr32.exe	regsvr32.exe
PID 2804 wrote to memory of 68	2804	regsvr32.exe	regsvr32.exe
PID 68 wrote to memory of 668	68	regsvr32.exe	explorer.exe
PID 68 wrote to memory of 668	68	regsvr32.exe	explorer.exe
PID 68 wrote to memory of 668	68	regsvr32.exe	explorer.exe
PID 68 wrote to memory of 668	68	regsvr32.exe	explorer.exe
PID 68 wrote to memory of 668	68	regsvr32.exe	explorer.exe
PID 668 wrote to memory of 844	668	explorer.exe	reg.exe
PID 668 wrote to memory of 844	668	explorer.exe	reg.exe
PID 668 wrote to memory of 3116	668	explorer.exe	reg.exe
PID 668 wrote to memory of 3116	668	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\yn.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2056

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\yn.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2404

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ulvvuecsdg /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\yn.dll\"" /SC ONCE /Z /ST 13:54 /ET 14:06
4⤵
- Creates scheduled task(s)
PID:3488

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\yn.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2804

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\yn.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:68

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:668

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\Dvvrooginyl" /d "0"
4⤵
PID:844

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\Imhnghuzqjd" /d "0"
4⤵
PID:3116

Network

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\yn.dll
MD5
557d5118e28207d90e80f2dd90e23bfb

SHA1
b871a809f1ea0c6c43e92c3479d1bde6157d939f

SHA256
532fbe194acb281ef6be139e0724a46d9936606b190b62bc57ba0859b2b61b8c

SHA512
8461d347c2da986b7222e076bbbc97c6d43577a48cf31b4255090ad665b72330ce1ce825b8e248e9c7e4c14b8541c2649dd2d39d4e8a63e58bb1056e89bad0c6

Download Submit
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\yn.dll
MD5
557d5118e28207d90e80f2dd90e23bfb

SHA1
b871a809f1ea0c6c43e92c3479d1bde6157d939f

SHA256
532fbe194acb281ef6be139e0724a46d9936606b190b62bc57ba0859b2b61b8c

SHA512
8461d347c2da986b7222e076bbbc97c6d43577a48cf31b4255090ad665b72330ce1ce825b8e248e9c7e4c14b8541c2649dd2d39d4e8a63e58bb1056e89bad0c6

Download Submit
memory/668-123-0x0000000000A30000-0x0000000000A51000-memory.dmp

Filesize
132KB

Download
memory/2404-115-0x0000000002990000-0x0000000002991000-memory.dmp

Filesize
4KB

Download
memory/2404-116-0x0000000010000000-0x0000000010121000-memory.dmp

Filesize
1.1MB

Download
memory/2752-117-0x0000000000B20000-0x0000000000B41000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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