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

840 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

1424 schtasks.exe

pid	process
840	regsvr32.exe

pid	process
1424	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\91f856b9 = 0690eaf8dae66e0b6a8608991fa5ed9cc8bf88b1b94e8e5f78d0d72ef48b78d9afa2484c40902da2a1e1209051b6d597d81f80304b0f69ac97e4c06a4947410387cc46266ff4a81c5e178f57beecfe3d677654009eb0	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\ecf01933 = f8018bca93746cc6168b7a92d98cb57e580d7e5d8fc97becf8be2f9e08a98357b44ef1d76b8fb5e75d91ecda39b829e49f934b07f6cf09e9c53c182ba7115cfb102258	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\93b976c5 = 28e2137cbb583d2a023f57eeeb082ddede5a9096e5192cb13cd8c195804ae5889f7622	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\61d3ae18 = dca839e5820157c7106f90a0ae9fff2f404b1db4cf97474471ec79b2	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\1e9ac1ee = 49553c16d74a1a0f6a60d9d9bae2721cd0d2ecf623ce5033afa3e8e5b2814b40aa2404348cbfbbb8e02e54e70652f7ff74342bdafd7a9b57c547f8fdec45dbd6af0c09	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\1e9ac1ee = 49552b16d74a2f7752ccfd46d978229f4b5c95d635beb713411d5e20978db585e0896993ad5a6782a7bb440f1d2d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\2b0511a0 = 8269d5847576808ff3b7a3a0bee9c216337e77403913997fb3b0ad566961aee88825eacaf6914a7f30ca75ab05e4351f6ee73270684f442ce2182075ee730dab36d2bfb811d56475b0a3f3881b175376be886dfdb2695dcfbaaa97b62937a80c33c905d1a52eb589b94437b2df351ec93ddd222bcbaad772d116c3538774efd4e240a18e7470cc	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\294431dc = ba9c841068c91036d4cb86942bffed7c439726ab1d5e2484425b9bc47b7f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Xdgeylomhclc\544c7e56 = c79b7b7328108fa2457ebbd68504a3b48336f581	explorer.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe
840	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1680 regsvr32.exe
840 regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1648 wrote to memory of 1680	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 1680	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 1680	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 1680	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 1680	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 1680	1648	regsvr32.exe	regsvr32.exe
PID 1648 wrote to memory of 1680	1648	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 524	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 524	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 524	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 524	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 524	1680	regsvr32.exe	explorer.exe
PID 1680 wrote to memory of 524	1680	regsvr32.exe	explorer.exe
PID 524 wrote to memory of 1424	524	explorer.exe	schtasks.exe
PID 524 wrote to memory of 1424	524	explorer.exe	schtasks.exe
PID 524 wrote to memory of 1424	524	explorer.exe	schtasks.exe
PID 524 wrote to memory of 1424	524	explorer.exe	schtasks.exe
PID 1808 wrote to memory of 1552	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1552	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1552	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1552	1808	taskeng.exe	regsvr32.exe
PID 1808 wrote to memory of 1552	1808	taskeng.exe	regsvr32.exe
PID 1552 wrote to memory of 840	1552	regsvr32.exe	regsvr32.exe
PID 1552 wrote to memory of 840	1552	regsvr32.exe	regsvr32.exe
PID 1552 wrote to memory of 840	1552	regsvr32.exe	regsvr32.exe
PID 1552 wrote to memory of 840	1552	regsvr32.exe	regsvr32.exe
PID 1552 wrote to memory of 840	1552	regsvr32.exe	regsvr32.exe
PID 1552 wrote to memory of 840	1552	regsvr32.exe	regsvr32.exe
PID 1552 wrote to memory of 840	1552	regsvr32.exe	regsvr32.exe
PID 840 wrote to memory of 1544	840	regsvr32.exe	explorer.exe
PID 840 wrote to memory of 1544	840	regsvr32.exe	explorer.exe
PID 840 wrote to memory of 1544	840	regsvr32.exe	explorer.exe
PID 840 wrote to memory of 1544	840	regsvr32.exe	explorer.exe
PID 840 wrote to memory of 1544	840	regsvr32.exe	explorer.exe
PID 840 wrote to memory of 1544	840	regsvr32.exe	explorer.exe
PID 1544 wrote to memory of 1744	1544	explorer.exe	reg.exe
PID 1544 wrote to memory of 1744	1544	explorer.exe	reg.exe
PID 1544 wrote to memory of 1744	1544	explorer.exe	reg.exe
PID 1544 wrote to memory of 1744	1544	explorer.exe	reg.exe
PID 1544 wrote to memory of 1052	1544	explorer.exe	reg.exe
PID 1544 wrote to memory of 1052	1544	explorer.exe	reg.exe
PID 1544 wrote to memory of 1052	1544	explorer.exe	reg.exe
PID 1544 wrote to memory of 1052	1544	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:1648

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:1680

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn meariqi /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll\"" /SC ONCE /Z /ST 18:31 /ET 18:43
4⤵
- Creates scheduled task(s)
PID:1424

C:\Windows\system32\taskeng.exe
taskeng.exe {CF1CCFA3-2CC0-4615-89DB-03D191619835} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\f56dd857614db24e125793c495809531c48684fa24f85ebb03bd35a085d85372.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:840

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1544

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\Dymgppeugyi" /d "0"
5⤵
PID:1744

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\Bkdnpyehoiq" /d "0"
5⤵
PID:1052

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/524-63-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/524-68-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/524-66-0x0000000074181000-0x0000000074183000-memory.dmp

Filesize
8KB

Download
memory/524-64-0x0000000000000000-mapping.dmp

Download
memory/840-79-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/840-78-0x0000000000DE0000-0x0000000000F60000-memory.dmp

Filesize
1.5MB

Download
memory/840-77-0x0000000000D60000-0x0000000000DDB000-memory.dmp

Filesize
492KB

Download
memory/840-75-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/840-72-0x0000000000000000-mapping.dmp

Download
memory/1052-85-0x0000000000000000-mapping.dmp

Download
memory/1424-67-0x0000000000000000-mapping.dmp

Download
memory/1544-81-0x0000000000000000-mapping.dmp

Download
memory/1544-86-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1552-69-0x0000000000000000-mapping.dmp

Download
memory/1648-55-0x000007FEFB791000-0x000007FEFB793000-memory.dmp

Filesize
8KB

Download
memory/1680-62-0x0000000000620000-0x00000000006A0000-memory.dmp

Filesize
512KB

Download
memory/1680-60-0x0000000002060000-0x00000000020DB000-memory.dmp

Filesize
492KB

Download
memory/1680-61-0x00000000020E0000-0x0000000002260000-memory.dmp

Filesize
1.5MB

Download
memory/1680-58-0x0000000000620000-0x00000000006A0000-memory.dmp

Filesize
512KB

Download
memory/1680-57-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download
memory/1680-56-0x0000000000000000-mapping.dmp

Download
memory/1744-84-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads