qakbot | 5be5a685c14121ad2ce98d93fe22c2dd125baaae94355363fcf313ba084b12f3

General

Target

5_.png.dll
Size

680KB
MD5

e67caf45ea17a846c8b2f3671158ee89
SHA1

5fc6b512f0308e9352e315d408e1febb60e6f014
SHA256

5be5a685c14121ad2ce98d93fe22c2dd125baaae94355363fcf313ba084b12f3
SHA512

4b3d2379b56944b2a441d8ac3a510ad32a8f574adf985bf6f77054b5939bcf604901a68f6ad5879097bcd461b95b70ab5418c2ac84e9d3da74a378542129110c

Score

10^/10

qakbot cullinan 1639988898 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639988898

C2

32.221.229.7:443

140.82.49.12:443

24.152.219.253:995

182.56.99.126:443

76.169.147.192:32103

218.101.110.3:995

89.101.97.139:443

82.152.39.39:443

176.24.150.197:443

96.37.113.36:993

68.186.192.69:443

59.88.168.108:443

75.110.250.187:443

182.191.92.203:995

89.165.88.95:443

103.142.10.177:443

45.9.20.200:2211

24.95.61.62:443

194.36.28.26:443

78.101.82.198:2222

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

3316 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

3176 schtasks.exe

pid	process
3316	regsvr32.exe

pid	process
3176	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\76f5c6c0 = c0716126cd308e34b04f29faf175713919590d92ec88624643461cc1da9e48d191a28f47f85d6234e2c19ea8db4de6be0957e93a1154e9b54ce8e6351108c2f1fdc8e989deaa3c05641318d499fcb8808161ed15c5fe85efca9c5ef3811b629d20e2ed09d9f472c38e41eb03708310f7e0d1382aad5519766466ea	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\9bca936 = 3ec0417432895d5e595d27dfd91c730efb63fa1369069a8aaea954d4ef3046fa7a441d39aee986660dd380ee98e035cb96d4e917bddecdfcd8b05f4b8ca2d51f1db0bfdfb30e7f4c2689a2df5366f7d2e4d740cb49957b99872600dce27a880c20	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\ce49a1a5 = 1f98eed6c1c888abb5cae55275f74ab096cee131f413d95b19ce2340e5913668dcb5699b20b676af5f8e055f13defadb04e549503eb3a49f04e48728c51a59970fad90ffe6ca6eef	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\3c237978 = 979ac0f498ccb933b0c74aa931301e597a669b870b585ebc0e17ea0d2b66b3049a366ab197984d31c2a7d30bad2b316351750ff89c68	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\436a168e = 012394f6aa943f1cda9915c67423664b73362da86c04399b66100e7f5f642fc809009035353dfb61e4b51a295bd0013f828a7f30c2a6b7f8216836949706dd5f370cf40f7b2805001de380f0cccaa4c259bfa930c81c36e3154f45b8752ce16c513d00be8e711a5a514d	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\436a168e = 012383f6aa940a29b37151a35ad3d17c9c4c95369c21dfd152bcb35f36f605492eadc344cf6db80b54117eccd8f526533561a844fd5e89264ac7bc52f0abc74b8fd81f63dd037b6ff2cfbd04a91aad5d25f1e48909	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\74b4e6bc = 4a06bf79c20dd710e5cd40485dbfa78ce30c2b157ca239270c918cd29ec2cf1a2a09041762173a2c0658d84a4b2bf025	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\cc0881d9 = fe16fc28c5c7540be608a5eb665f1e8df316baa77b54d4aeb901dc252146c379c61f603be4b49d9e461eb41beffcf7f2341f4d5b8a758dc9707a01bcfa8b10493752ee93003fdf442384eb58bcf90f7fe38a55bea262caabdb4d3050ed6580826b60ed	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Gpshacgnxmzu\b100ce53 = 04a8070a5556a0be88f432ea07c1b917e0d4a3c9dff6d8d8a2d542d7e39b5aabc235759070eb36e67e1e8065e9b4bd333488d33555ac9f4ab5e485a1de76e881e5d6f8df131c81d3afaffb6ad4a237ed145b8d643dd95c6255707176023a0e2c5869c49e	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3528 regsvr32.exe
3528 regsvr32.exe
3316 regsvr32.exe
3316 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3528 regsvr32.exe
3316 regsvr32.exe

pid	process
3528	regsvr32.exe
3528	regsvr32.exe
3316	regsvr32.exe
3316	regsvr32.exe

pid	process
3528	regsvr32.exe
3316	regsvr32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 3440 wrote to memory of 3528	3440	regsvr32.exe	regsvr32.exe
PID 3440 wrote to memory of 3528	3440	regsvr32.exe	regsvr32.exe
PID 3440 wrote to memory of 3528	3440	regsvr32.exe	regsvr32.exe
PID 3528 wrote to memory of 4084	3528	regsvr32.exe	explorer.exe
PID 3528 wrote to memory of 4084	3528	regsvr32.exe	explorer.exe
PID 3528 wrote to memory of 4084	3528	regsvr32.exe	explorer.exe
PID 3528 wrote to memory of 4084	3528	regsvr32.exe	explorer.exe
PID 3528 wrote to memory of 4084	3528	regsvr32.exe	explorer.exe
PID 4084 wrote to memory of 3176	4084	explorer.exe	schtasks.exe
PID 4084 wrote to memory of 3176	4084	explorer.exe	schtasks.exe
PID 4084 wrote to memory of 3176	4084	explorer.exe	schtasks.exe
PID 4484 wrote to memory of 3316	4484	regsvr32.exe	regsvr32.exe
PID 4484 wrote to memory of 3316	4484	regsvr32.exe	regsvr32.exe
PID 4484 wrote to memory of 3316	4484	regsvr32.exe	regsvr32.exe
PID 3316 wrote to memory of 508	3316	regsvr32.exe	explorer.exe
PID 3316 wrote to memory of 508	3316	regsvr32.exe	explorer.exe
PID 3316 wrote to memory of 508	3316	regsvr32.exe	explorer.exe
PID 3316 wrote to memory of 508	3316	regsvr32.exe	explorer.exe
PID 3316 wrote to memory of 508	3316	regsvr32.exe	explorer.exe
PID 508 wrote to memory of 812	508	explorer.exe	reg.exe
PID 508 wrote to memory of 812	508	explorer.exe	reg.exe
PID 508 wrote to memory of 3864	508	explorer.exe	reg.exe
PID 508 wrote to memory of 3864	508	explorer.exe	reg.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5_.png.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3440

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\5_.png.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3528

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4084

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fumjzlid /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\5_.png.dll\"" /SC ONCE /Z /ST 12:03 /ET 12:15
4⤵
- Creates scheduled task(s)
PID:3176

\??\c:\windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\5_.png.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:4484

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\5_.png.dll"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3316

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:508

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\Wfjfptinro" /d "0"
4⤵
PID:812

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\Xcbyowjtnyc" /d "0"
4⤵
PID:3864

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\5_.png.dll
MD5
e67caf45ea17a846c8b2f3671158ee89

SHA1
5fc6b512f0308e9352e315d408e1febb60e6f014

SHA256
5be5a685c14121ad2ce98d93fe22c2dd125baaae94355363fcf313ba084b12f3

SHA512
4b3d2379b56944b2a441d8ac3a510ad32a8f574adf985bf6f77054b5939bcf604901a68f6ad5879097bcd461b95b70ab5418c2ac84e9d3da74a378542129110c

Download Submit
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\5_.png.dll
MD5
e67caf45ea17a846c8b2f3671158ee89

SHA1
5fc6b512f0308e9352e315d408e1febb60e6f014

SHA256
5be5a685c14121ad2ce98d93fe22c2dd125baaae94355363fcf313ba084b12f3

SHA512
4b3d2379b56944b2a441d8ac3a510ad32a8f574adf985bf6f77054b5939bcf604901a68f6ad5879097bcd461b95b70ab5418c2ac84e9d3da74a378542129110c

Download Submit
memory/508-132-0x0000000000C40000-0x0000000000C61000-memory.dmp

Filesize
132KB

Download
memory/508-126-0x0000000000000000-mapping.dmp

Download
memory/508-130-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/508-131-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/812-128-0x0000000000000000-mapping.dmp

Download
memory/3176-119-0x0000000000000000-mapping.dmp

Download
memory/3316-124-0x0000000000000000-mapping.dmp

Download
memory/3528-117-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download
memory/3528-116-0x0000000000C80000-0x0000000000C81000-memory.dmp

Filesize
4KB

Download
memory/3528-115-0x0000000000000000-mapping.dmp

Download
memory/3864-129-0x0000000000000000-mapping.dmp

Download
memory/4084-121-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/4084-120-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/4084-118-0x0000000000000000-mapping.dmp

Download
memory/4084-122-0x0000000000800000-0x0000000000821000-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