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 2 IoCs

Processes:

regsvr32.exe

pid process

1272 regsvr32.exe
1272 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

380 schtasks.exe

pid	process
1272	regsvr32.exe
1272	regsvr32.exe

pid	process
380	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\2978d2b9 = dd157181e0d73d4004d17b2e5246262837d8765fdd9a7c6899b6a29d3c4a1538	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\ecccfa56 = f2467b812baf67c9d3ad0140a22be2864edef91f232e184f3ab1ffdb91d1b018675e22a6417c832c0178b95f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\54709d33 = d0e3f417711377bf7f339b96b6765501d441f8a909231785ab275ee89f0455357e0251f713b616f57fd01cd15bd1d3a1756a17b99681543e03b32b7effef3404d0783746be4d230f1bea52e76603ec528e164eeb5ab61a75c975a4ff687d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\938595a0 = b59f792dedb7dd86839dedf8f6dfa4034c2ae747c6196a81025f9716e228ee363f3086776199bbca13276756e6f7d2b90fea765cec0d4425e6bf5d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\1ea6228b = f1f421e5d3c7f370d9088e543c533c7a8b2344fccefde6f4043b68b07336d7a6a846b446228448fcb8f1ea60cd34631e	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\2b39f2c5 = 432706d38adf16a5ecd7a3ede0a4cf0e3b4473864485efee54fecb32c9cc2a22c6d247fa197d0b3bf7de7575812e351a56af65368f42012fb924c69025c76d5d8ca28ed5cd7887af7d815a5d1276d9b08f4246bf93fe14e16d2dfe94c6982f28c2dcdaaebba7e683db910010d4d0beb4afb689745f39280ebdc1fdb0e481	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\91c4b5dc = f40fa0d4870696ea490beff4ef60dbc08cb51a2796187f85825f942d5438141b0ccfb3490722ff630213313564e406d93b68acead6f4550f47b2d8c08bb38bbf170a	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\61ef4d7d = 5c8a21fb299730fe4dbefaa6a8aab7d8c77568ffbaecb46bc76436ad9389b1a9c21a0fcd5f173de32eeb47a0a13eea9bd1053692914534c731909db5db93cbc4185344673911a2543c86c98d3b3c1332d00019a642d4969096b8e85deb5bce18d7	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Rotzuei\1ea6228b = f1f436e5d3c7c63ce74d8e9b4e4a12f6b3a931472d77e02e2431c98997d8c2240a7b880b606c4a3bfc7aa2d1d90d60f5f35897ad04df7b1515ba0d82c6ad38725af8a6b19d	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid	process
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
3840	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe
1272	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3840 regsvr32.exe
1272 regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 3556 wrote to memory of 3840	3556	regsvr32.exe	regsvr32.exe
PID 3556 wrote to memory of 3840	3556	regsvr32.exe	regsvr32.exe
PID 3556 wrote to memory of 3840	3556	regsvr32.exe	regsvr32.exe
PID 3840 wrote to memory of 816	3840	regsvr32.exe	explorer.exe
PID 3840 wrote to memory of 816	3840	regsvr32.exe	explorer.exe
PID 3840 wrote to memory of 816	3840	regsvr32.exe	explorer.exe
PID 3840 wrote to memory of 816	3840	regsvr32.exe	explorer.exe
PID 3840 wrote to memory of 816	3840	regsvr32.exe	explorer.exe
PID 816 wrote to memory of 380	816	explorer.exe	schtasks.exe
PID 816 wrote to memory of 380	816	explorer.exe	schtasks.exe
PID 816 wrote to memory of 380	816	explorer.exe	schtasks.exe
PID 1572 wrote to memory of 1272	1572	regsvr32.exe	regsvr32.exe
PID 1572 wrote to memory of 1272	1572	regsvr32.exe	regsvr32.exe
PID 1572 wrote to memory of 1272	1572	regsvr32.exe	regsvr32.exe
PID 1272 wrote to memory of 372	1272	regsvr32.exe	explorer.exe
PID 1272 wrote to memory of 372	1272	regsvr32.exe	explorer.exe
PID 1272 wrote to memory of 372	1272	regsvr32.exe	explorer.exe
PID 1272 wrote to memory of 372	1272	regsvr32.exe	explorer.exe
PID 1272 wrote to memory of 372	1272	regsvr32.exe	explorer.exe
PID 372 wrote to memory of 692	372	explorer.exe	reg.exe
PID 372 wrote to memory of 692	372	explorer.exe	reg.exe
PID 372 wrote to memory of 3212	372	explorer.exe	reg.exe
PID 372 wrote to memory of 3212	372	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:3556

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:3840

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hsyppiff /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll\"" /SC ONCE /Z /ST 06:18 /ET 06:30
4⤵
- Creates scheduled task(s)
PID:380

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:372

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\Uewptegfhxa" /d "0"
4⤵
PID:692

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\Ccaboac" /d "0"
4⤵
PID:3212

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

SHA1
15c3c571fbd433d44ae50a8e103be470664dfdab

SHA256
6a4f386ae3926cead27868d0b308ff0109fbf5d03d93b3ec0b21ae742b4e1154

SHA512
670578fe1150c88852abbd1e5f412fe4d58901499eef0c03cd4e00252d8b50ac23fe858952e46791ffd520ad9207d81f1fe2bc4ca92701224b234286ded0d5e0

Download Submit
memory/372-138-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/372-133-0x0000000000000000-mapping.dmp

Download
memory/372-137-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/372-136-0x0000000000C60000-0x0000000000C81000-memory.dmp

Filesize
132KB

Download
memory/380-120-0x0000000000000000-mapping.dmp

Download
memory/692-134-0x0000000000000000-mapping.dmp

Download
memory/816-119-0x0000000000000000-mapping.dmp

Download
memory/816-122-0x0000000003690000-0x0000000003691000-memory.dmp

Filesize
4KB

Download
memory/816-121-0x0000000003690000-0x0000000003691000-memory.dmp

Filesize
4KB

Download
memory/816-123-0x0000000000D70000-0x0000000000D91000-memory.dmp

Filesize
132KB

Download
memory/1272-125-0x0000000000000000-mapping.dmp

Download
memory/1272-130-0x00000000031F0000-0x000000000326B000-memory.dmp

Filesize
492KB

Download
memory/1272-131-0x0000000003270000-0x00000000033FE000-memory.dmp

Filesize
1.6MB

Download
memory/1272-132-0x0000000000E60000-0x0000000000F02000-memory.dmp

Filesize
648KB

Download
memory/1272-128-0x0000000000E60000-0x0000000000F02000-memory.dmp

Filesize
648KB

Download
memory/3212-135-0x0000000000000000-mapping.dmp

Download
memory/3840-115-0x0000000000000000-mapping.dmp

Download
memory/3840-118-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/3840-117-0x0000000004E40000-0x0000000004FCE000-memory.dmp

Filesize
1.6MB

Download
memory/3840-116-0x0000000004DC0000-0x0000000004E3B000-memory.dmp

Filesize
492KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads