qakbot | 1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac

General

Target

1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll
Size

646KB
MD5

874ee72eb876f054c50bc9795a243447
SHA1

49aeaf80a7295acd1ec2cbb342c06bc4a30fe502
SHA256

1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac
SHA512

3af15b3d5bf3be0b0ad5c759d0be9c92aa59584bc49cdc726d3081308a4ff35f29700107259eeac069261e363806c388fcbdb3db6ac4bec3a71aea98e686b3b0

Score

10^/10

qakbot cullinan 1640084934 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1640084934

C2

95.5.133.68:995

188.159.122.122:443

140.82.49.12:443

32.221.229.7:443

24.152.219.253:995

31.35.28.29:443

96.37.113.36:993

109.12.111.14:443

14.96.72.249:61202

93.48.80.198:995

45.9.20.200:2211

24.95.61.62:443

79.167.192.206:995

37.210.226.125:61202

103.139.242.30:995

70.163.1.219:443

114.79.148.170:443

63.153.187.104:443

103.143.8.71:6881

24.53.49.240:443

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

2320 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

628 schtasks.exe

pid	process
2320	regsvr32.exe

pid	process
628	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\864917c0 = c52a0e85943e8a52bc777a5696560352fda6f071a66aca22ad296daddd3466ea26df60c1e2248f3eb6335dcac7b054b982673a39f3b61671d39fcbccf3a25e84116bf5b4	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\b3d6c78e = 4dcc17ce7d76126eeb14b5aa4b34fc15262eb15ebb3c37a81b2c6155a42d22f96953a52ed6e163e3ef2503fcc7405c3c19261bcde17e895534fd72807df4ef44e1bd60df0e7bc94330e44d3a6d3fe0dbf82e54784e7387536ce425bb31eec5be6000cb91e4bd90d75396b5e31f99c73f50f794c67c661bbf2fd039b87e5425acc5873da0dbbe411448d2efc64b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\92b8097 = f892c80e7e3b62ffa1033b3fbf51888a0cb09c4c0f66cdee0585cf28172eaa07bdc81c44ac70e1fec540	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\7423cf1d = a813bdcea32851163e49d376b0b625a4e243f4db553e71eae5966ab49cf790	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\cc9fa878 = ae322852fa27ca39800dd3498ab56fa2c870	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\b6aa0eb = 461b28b0befee2dcedcd7f7a345ddc3d787d12eacbef21f0269feb5ca19bb0ed555ee4520c8c7ca35f2a428e6f95d49c04d6d6e08e0e8c1af932d9f9c465698dcd	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\f9007836 = 8672ec8fd8b3eaebc9cf6aeff415d61bee0a157f9f82697d32640f6d0ae10c879075d0673128fb439aee42f9b11408efd62c02c901252d0cb5b8c4db8c565b1d2f76e2d7e0ad41be56776477b97b29dd17d48a112994144aca3231689acc372cd11f2a6e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\864917c0 = c52a1985943ebf727769ec135ea8a97e85d0cc277475f37a3ad033fa478cfed092629e1a137866010999a92f570073d4dfa45b52d2693b7f8efd227b4de70c8d5150ef29b3e451c0b9fddf50d4bf31d015a78d9553a24fdc41	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Eeukmwsmf\b197e7f2 = f9ee5c3bec4aec79d33d9ed45d7ebb442bca77615bb83fb9eccff114c5065a2566c4e93025070f20bde410c477b907a09c21f123d28306b134ecff4f8bb75c49c40c8f	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
3704	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe
2320	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3704 regsvr32.exe
2320 regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 2564 wrote to memory of 3704	2564	regsvr32.exe	regsvr32.exe
PID 2564 wrote to memory of 3704	2564	regsvr32.exe	regsvr32.exe
PID 2564 wrote to memory of 3704	2564	regsvr32.exe	regsvr32.exe
PID 3704 wrote to memory of 3724	3704	regsvr32.exe	explorer.exe
PID 3704 wrote to memory of 3724	3704	regsvr32.exe	explorer.exe
PID 3704 wrote to memory of 3724	3704	regsvr32.exe	explorer.exe
PID 3704 wrote to memory of 3724	3704	regsvr32.exe	explorer.exe
PID 3704 wrote to memory of 3724	3704	regsvr32.exe	explorer.exe
PID 3724 wrote to memory of 628	3724	explorer.exe	schtasks.exe
PID 3724 wrote to memory of 628	3724	explorer.exe	schtasks.exe
PID 3724 wrote to memory of 628	3724	explorer.exe	schtasks.exe
PID 1292 wrote to memory of 2320	1292	regsvr32.exe	regsvr32.exe
PID 1292 wrote to memory of 2320	1292	regsvr32.exe	regsvr32.exe
PID 1292 wrote to memory of 2320	1292	regsvr32.exe	regsvr32.exe
PID 2320 wrote to memory of 1496	2320	regsvr32.exe	explorer.exe
PID 2320 wrote to memory of 1496	2320	regsvr32.exe	explorer.exe
PID 2320 wrote to memory of 1496	2320	regsvr32.exe	explorer.exe
PID 2320 wrote to memory of 1496	2320	regsvr32.exe	explorer.exe
PID 2320 wrote to memory of 1496	2320	regsvr32.exe	explorer.exe
PID 1496 wrote to memory of 916	1496	explorer.exe	reg.exe
PID 1496 wrote to memory of 916	1496	explorer.exe	reg.exe
PID 1496 wrote to memory of 2260	1496	explorer.exe	reg.exe
PID 1496 wrote to memory of 2260	1496	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2564

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3704

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3724

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fdqrkukp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll\"" /SC ONCE /Z /ST 12:03 /ET 12:15
4⤵
- Creates scheduled task(s)
PID:628

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1496

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\Athrismwyre" /d "0"
4⤵
PID:916

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\Oiuafzeibcyt" /d "0"
4⤵
PID:2260

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\1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll
MD5
874ee72eb876f054c50bc9795a243447

SHA1
49aeaf80a7295acd1ec2cbb342c06bc4a30fe502

SHA256
1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac

SHA512
3af15b3d5bf3be0b0ad5c759d0be9c92aa59584bc49cdc726d3081308a4ff35f29700107259eeac069261e363806c388fcbdb3db6ac4bec3a71aea98e686b3b0

Download Submit
\Users\Admin\AppData\Local\Temp\1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac.dll
MD5
874ee72eb876f054c50bc9795a243447

SHA1
49aeaf80a7295acd1ec2cbb342c06bc4a30fe502

SHA256
1104a729cc28be102f700c42b2ce0d6016b2f1d6d8ee9abdebe0e3e48eca20ac

SHA512
3af15b3d5bf3be0b0ad5c759d0be9c92aa59584bc49cdc726d3081308a4ff35f29700107259eeac069261e363806c388fcbdb3db6ac4bec3a71aea98e686b3b0

Download Submit
memory/628-120-0x0000000000000000-mapping.dmp

Download
memory/916-130-0x0000000000000000-mapping.dmp

Download
memory/1496-129-0x0000000000000000-mapping.dmp

Download
memory/1496-134-0x0000000002D60000-0x0000000002D81000-memory.dmp

Filesize
132KB

Download
memory/1496-132-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1496-133-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/2260-131-0x0000000000000000-mapping.dmp

Download
memory/2320-127-0x0000000003570000-0x00000000035EB000-memory.dmp

Filesize
492KB

Download
memory/2320-125-0x0000000000000000-mapping.dmp

Download
memory/2320-128-0x00000000035F0000-0x000000000377E000-memory.dmp

Filesize
1.6MB

Download
memory/3704-117-0x00000000049B0000-0x0000000004B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3704-118-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/3704-115-0x0000000000000000-mapping.dmp

Download
memory/3704-116-0x0000000002DD0000-0x0000000002F1A000-memory.dmp

Filesize
1.3MB

Download
memory/3724-119-0x0000000000000000-mapping.dmp

Download
memory/3724-123-0x0000000002B50000-0x0000000002B71000-memory.dmp

Filesize
132KB

Download
memory/3724-122-0x00000000049A0000-0x00000000049A1000-memory.dmp

Filesize
4KB

Download
memory/3724-121-0x00000000049A0000-0x00000000049A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads