qakbot | f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372

General

Target

f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
Size

638KB
MD5

2f3ba4d6bc146db4af54dffa1073f93e
SHA1

fdc0db26a493a618628468371d90c9693ce1cafb
SHA256

f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372
SHA512

a371041f26389fcb9137276115103564e39685d94c4d28da4f779fe689627cceebd415788e406d83ca145208e6a432815d4d597eab1d883609b4cd96a8322a3a

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

616 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

2404 schtasks.exe

pid	process
616	regsvr32.exe

pid	process
2404	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\1db3182c = a68131a3614e6e1b0df513854ea334631e646abf623c79a6dd6de0c88d365b76101e2f3174dcfa48a61712c5c13ae7df94f6cd2ea9689b43aaf0d24902515724782c10ddc17f24ef64c0433ee344cb949f2344ff88ddc09c887802bc579a89d4f458d6c7	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\1ff23850 = aaa733e926f032ad60629a46c0962f851534868077766570d00b86c7d6f8e0030e2111f18bce4c5fda4f624836d6c09c2d0075fd3379bfa2db78ee	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\ed98e08d = 4610ea0949c39b8889a23b49d57fc1cb9676c20feabd95c46d4de1e76a46357b04f055e8ff33ed7ba4f9bd6052bd95b40b604c4e232bcab4	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\92d18f7b = d686d5df8788829560baa9	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\a74e5f35 = 5ab4101031fcaf3419176e10d6014aff9d78655d0fe47b2321b4b8b72ab20bb2bcb882c4354d683dc071a451457f04e73163c33644134aac6c37ef4bdfe415fb6e45b38d4f28c820067f1d4be170d1be43042de212c5a6b95bd5c7837ef3a92377ddfba7015efcd5cde5561436e22ddf54ad78c360dc2c2088cf8369884b05d8adc46b79e23ac7f71c3bb589fdbe522e7fbd	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\92d18f7b = d686c2df8788b7da5c970c897e2adf9435c2ff90912ea2f1d5e0d8c6ce7b5d6d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\a50f7f49 = 733c4a7f5a1da33ff7e41d8fc00cb9da585138ea3639fd11ab9378ddb6653debe1de30816976d10dadd47ccd5ebe422556ba470d16c70db831da6e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\60bb57a6 = ee916bcea4bdc15325d87ac0ae7d35e07887ae6037230d7e8d74285db381a4832d86888238d3006248fb4ad32880b8cb5bbd8767ee3ccc225a0b654e67492b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Laaifmfdgdplh\d80730c3 = 8d7a9b3a3c8cdac69bf9a9fcd553445d1eaaf6cc558b068bbe95e0bf70455e7a1004fc698b4b3639529d3c52363919bb46e960c993e5f002a3ca53f1099e050ef578a34a3e721171527dfe4341982d37f72ebfa1c965f475ee864272d58a1e9ee7663e15651950	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
2480	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe
616	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2480 regsvr32.exe
616 regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 660 wrote to memory of 2480	660	regsvr32.exe	regsvr32.exe
PID 660 wrote to memory of 2480	660	regsvr32.exe	regsvr32.exe
PID 660 wrote to memory of 2480	660	regsvr32.exe	regsvr32.exe
PID 2480 wrote to memory of 2328	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 2328	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 2328	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 2328	2480	regsvr32.exe	explorer.exe
PID 2480 wrote to memory of 2328	2480	regsvr32.exe	explorer.exe
PID 2328 wrote to memory of 2404	2328	explorer.exe	schtasks.exe
PID 2328 wrote to memory of 2404	2328	explorer.exe	schtasks.exe
PID 2328 wrote to memory of 2404	2328	explorer.exe	schtasks.exe
PID 856 wrote to memory of 616	856	regsvr32.exe	regsvr32.exe
PID 856 wrote to memory of 616	856	regsvr32.exe	regsvr32.exe
PID 856 wrote to memory of 616	856	regsvr32.exe	regsvr32.exe
PID 616 wrote to memory of 2484	616	regsvr32.exe	explorer.exe
PID 616 wrote to memory of 2484	616	regsvr32.exe	explorer.exe
PID 616 wrote to memory of 2484	616	regsvr32.exe	explorer.exe
PID 616 wrote to memory of 2484	616	regsvr32.exe	explorer.exe
PID 616 wrote to memory of 2484	616	regsvr32.exe	explorer.exe
PID 2484 wrote to memory of 1912	2484	explorer.exe	reg.exe
PID 2484 wrote to memory of 1912	2484	explorer.exe	reg.exe
PID 2484 wrote to memory of 1120	2484	explorer.exe	reg.exe
PID 2484 wrote to memory of 1120	2484	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:660

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2480

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2328

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hunekyc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll\"" /SC ONCE /Z /ST 12:04 /ET 12:16
4⤵
- Creates scheduled task(s)
PID:2404

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2484

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\Lawodgnfiirb" /d "0"
4⤵
PID:1912

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\Jyrepkjw" /d "0"
4⤵
PID:1120

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\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
MD5
2f3ba4d6bc146db4af54dffa1073f93e

SHA1
fdc0db26a493a618628468371d90c9693ce1cafb

SHA256
f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372

SHA512
a371041f26389fcb9137276115103564e39685d94c4d28da4f779fe689627cceebd415788e406d83ca145208e6a432815d4d597eab1d883609b4cd96a8322a3a

Download Submit
\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll
MD5
2f3ba4d6bc146db4af54dffa1073f93e

SHA1
fdc0db26a493a618628468371d90c9693ce1cafb

SHA256
f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372

SHA512
a371041f26389fcb9137276115103564e39685d94c4d28da4f779fe689627cceebd415788e406d83ca145208e6a432815d4d597eab1d883609b4cd96a8322a3a

Download Submit
memory/616-128-0x0000000003BE0000-0x0000000003D6E000-memory.dmp

Filesize
1.6MB

Download
memory/616-127-0x0000000003B60000-0x0000000003BDB000-memory.dmp

Filesize
492KB

Download
memory/616-125-0x0000000000000000-mapping.dmp

Download
memory/1120-131-0x0000000000000000-mapping.dmp

Download
memory/1912-130-0x0000000000000000-mapping.dmp

Download
memory/2328-122-0x0000000003960000-0x0000000003961000-memory.dmp

Filesize
4KB

Download
memory/2328-123-0x0000000003670000-0x0000000003691000-memory.dmp

Filesize
132KB

Download
memory/2328-121-0x0000000003960000-0x0000000003961000-memory.dmp

Filesize
4KB

Download
memory/2328-119-0x0000000000000000-mapping.dmp

Download
memory/2404-120-0x0000000000000000-mapping.dmp

Download
memory/2480-117-0x0000000004940000-0x0000000004ACE000-memory.dmp

Filesize
1.6MB

Download
memory/2480-118-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/2480-115-0x0000000000000000-mapping.dmp

Download
memory/2480-116-0x00000000048C0000-0x000000000493B000-memory.dmp

Filesize
492KB

Download
memory/2484-129-0x0000000000000000-mapping.dmp

Download
memory/2484-132-0x0000000003750000-0x0000000003751000-memory.dmp

Filesize
4KB

Download
memory/2484-133-0x0000000003750000-0x0000000003751000-memory.dmp

Filesize
4KB

Download
memory/2484-134-0x0000000000E60000-0x0000000000E81000-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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Downloads