qakbot | 6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154

General

Target

6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll
Size

638KB
MD5

65cbc9cf132a2b5fa688f205e8c84d3b
SHA1

15c3c571fbd433d44ae50a8e103be470664dfdab
SHA256

6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154
SHA512

670578fe1150c88852abbd1e5f412fe4d58901499eef0c03cd4e00252d8b50ac23fe858952e46791ffd520ad9207d81f1fe2bc4ca92701224b234286ded0d5e0

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

1968 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

240 schtasks.exe

pid	process
1968	regsvr32.exe

pid	process
240	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\3e60c146 = 04cbe9dc29526c53f4599c10ec825ef8a4b6d27957b6f98b8ec3166af7247b791aef5d777287491bfbe6ea3260e0819d3ac19297423990d01b98599ded1741d73972381e453aa90fd5ef852c74ab442b04d6678b1dad7774614eec83867e9737070fbcdf	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\b343766d = 7f53f293464947ed3b6b65a661a50ad2e2a6556de4a667b2102e4fa202218207fc2927f7c6d17a15f04024fada1b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\cc0a199b = 0e88cc77e2aab576f0707d335897fc4d43c131c36289987c25a72d628af392e86f0358b1d6497dcc4409464cae13690c331f64	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Etrdwyaeexx	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\f995c9d5 = bc7d99a818aa890fb94ed66aa0d4132a54dec0fc9ec57b016b6d8eeea4ee6496f298be3a237959748693d5bd90dfebdf34b117520a9f5caf59da47fd226798e7dc817bbdfb45b663652b1b1f11fd977d497876ee36b11c241976ac3f9f925c97e4191efe26ed09b35d3f30d6bcb684d1d19453e584cdc6b90f102b08382ffa660bc81dedffd512d8a40dd951	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\fbd4e9a9 = 65f94d7b7d4791f755d8b571f1eff2d1d68ab6793ad920dcb7	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\43688ecc = e5878ddbc46e4d7d90ca3e7477a1b22cb7fa74560b4bc71cdfe6b6b1a76ca429d458cd6da72e0d40c6e7c91b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\cc0a199b = 0e88db77e2aa809b9bdc4b250b582e98fdd640ee17e320b822a0cc9d63e8	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\86dca623 = 86cbe960e5fd4029213f33411b2caaf02361a291f87067e119384dfc9937978d6e23304eab4e03e318f4b206bb82723873c51b6950eb5567c88973492d1b33eb57651bfe570b7fd8b767337012a94f514bc8eaab01c544afafb77b	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Etrdwyaeexx\4129aeb0 = f6509a876365ac66c081006ef725a3bfa9d031c3f5a68c4e8b	explorer.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
832	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

832 regsvr32.exe
1968 regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

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

description	pid	process	target process
PID 1944 wrote to memory of 832	1944	regsvr32.exe	regsvr32.exe
PID 1944 wrote to memory of 832	1944	regsvr32.exe	regsvr32.exe
PID 1944 wrote to memory of 832	1944	regsvr32.exe	regsvr32.exe
PID 1944 wrote to memory of 832	1944	regsvr32.exe	regsvr32.exe
PID 1944 wrote to memory of 832	1944	regsvr32.exe	regsvr32.exe
PID 1944 wrote to memory of 832	1944	regsvr32.exe	regsvr32.exe
PID 1944 wrote to memory of 832	1944	regsvr32.exe	regsvr32.exe
PID 832 wrote to memory of 332	832	regsvr32.exe	explorer.exe
PID 832 wrote to memory of 332	832	regsvr32.exe	explorer.exe
PID 832 wrote to memory of 332	832	regsvr32.exe	explorer.exe
PID 832 wrote to memory of 332	832	regsvr32.exe	explorer.exe
PID 832 wrote to memory of 332	832	regsvr32.exe	explorer.exe
PID 832 wrote to memory of 332	832	regsvr32.exe	explorer.exe
PID 332 wrote to memory of 240	332	explorer.exe	schtasks.exe
PID 332 wrote to memory of 240	332	explorer.exe	schtasks.exe
PID 332 wrote to memory of 240	332	explorer.exe	schtasks.exe
PID 332 wrote to memory of 240	332	explorer.exe	schtasks.exe
PID 1072 wrote to memory of 1972	1072	taskeng.exe	regsvr32.exe
PID 1072 wrote to memory of 1972	1072	taskeng.exe	regsvr32.exe
PID 1072 wrote to memory of 1972	1072	taskeng.exe	regsvr32.exe
PID 1072 wrote to memory of 1972	1072	taskeng.exe	regsvr32.exe
PID 1072 wrote to memory of 1972	1072	taskeng.exe	regsvr32.exe
PID 1972 wrote to memory of 1968	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 1968	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 1968	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 1968	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 1968	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 1968	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 1968	1972	regsvr32.exe	regsvr32.exe
PID 1968 wrote to memory of 1844	1968	regsvr32.exe	explorer.exe
PID 1968 wrote to memory of 1844	1968	regsvr32.exe	explorer.exe
PID 1968 wrote to memory of 1844	1968	regsvr32.exe	explorer.exe
PID 1968 wrote to memory of 1844	1968	regsvr32.exe	explorer.exe
PID 1968 wrote to memory of 1844	1968	regsvr32.exe	explorer.exe
PID 1968 wrote to memory of 1844	1968	regsvr32.exe	explorer.exe
PID 1844 wrote to memory of 1560	1844	explorer.exe	reg.exe
PID 1844 wrote to memory of 1560	1844	explorer.exe	reg.exe
PID 1844 wrote to memory of 1560	1844	explorer.exe	reg.exe
PID 1844 wrote to memory of 1560	1844	explorer.exe	reg.exe
PID 1844 wrote to memory of 1132	1844	explorer.exe	reg.exe
PID 1844 wrote to memory of 1132	1844	explorer.exe	reg.exe
PID 1844 wrote to memory of 1132	1844	explorer.exe	reg.exe
PID 1844 wrote to memory of 1132	1844	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll
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:332

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn agihqagh /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll\"" /SC ONCE /Z /ST 17:29 /ET 17:41
4⤵
- Creates scheduled task(s)
PID:240

C:\Windows\system32\taskeng.exe
taskeng.exe {CEEF3F8E-1708-457A-9516-B9937649EA3C} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1844

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\Zadjneq" /d "0"
5⤵
PID:1560

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\Iznepbj" /d "0"
5⤵
PID:1132

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\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll
MD5
65cbc9cf132a2b5fa688f205e8c84d3b

SHA1
15c3c571fbd433d44ae50a8e103be470664dfdab

SHA256
6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154

SHA512
670578fe1150c88852abbd1e5f412fe4d58901499eef0c03cd4e00252d8b50ac23fe858952e46791ffd520ad9207d81f1fe2bc4ca92701224b234286ded0d5e0

Download Submit
\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll
MD5
65cbc9cf132a2b5fa688f205e8c84d3b

SHA1
15c3c571fbd433d44ae50a8e103be470664dfdab

SHA256
6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154

SHA512
670578fe1150c88852abbd1e5f412fe4d58901499eef0c03cd4e00252d8b50ac23fe858952e46791ffd520ad9207d81f1fe2bc4ca92701224b234286ded0d5e0

Download Submit
memory/240-67-0x0000000000000000-mapping.dmp

Download
memory/332-66-0x00000000000D0000-0x00000000000F1000-memory.dmp

Filesize
132KB

Download
memory/332-60-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/332-61-0x0000000000000000-mapping.dmp

Download
memory/332-63-0x0000000074881000-0x0000000074883000-memory.dmp

Filesize
8KB

Download
memory/832-59-0x0000000001FA0000-0x000000000201B000-memory.dmp

Filesize
492KB

Download
memory/832-65-0x0000000001DF0000-0x0000000001E92000-memory.dmp

Filesize
648KB

Download
memory/832-57-0x0000000001DF0000-0x0000000001E92000-memory.dmp

Filesize
648KB

Download
memory/832-64-0x0000000002020000-0x00000000021A0000-memory.dmp

Filesize
1.5MB

Download
memory/832-56-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/832-55-0x0000000000000000-mapping.dmp

Download
memory/1132-85-0x0000000000000000-mapping.dmp

Download
memory/1560-81-0x0000000000000000-mapping.dmp

Download
memory/1844-78-0x0000000000000000-mapping.dmp

Download
memory/1844-84-0x0000000000120000-0x0000000000141000-memory.dmp

Filesize
132KB

Download
memory/1944-54-0x000007FEFBE91000-0x000007FEFBE93000-memory.dmp

Filesize
8KB

Download
memory/1968-74-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/1968-76-0x0000000000AF0000-0x0000000000B6B000-memory.dmp

Filesize
492KB

Download
memory/1968-71-0x0000000000000000-mapping.dmp

Download
memory/1968-83-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/1968-82-0x0000000000E00000-0x0000000000F80000-memory.dmp

Filesize
1.5MB

Download
memory/1972-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads