qakbot | ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a

General

Target

ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll
Size

628KB
MD5

51f81eccac70d30d37eab17ebae9c02c
SHA1

30e4eb355e5fae3a7a61fa135fbad369fa95c446
SHA256

ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a
SHA512

254222657ba6e9b0af5198633e7eff683adc803380144a73f16391341728b8d27648beff4a97ec91b07b7cf7a5b43d5fc7576eb6c2f5eb2a11772f7f3a9324b6

Score

10^/10

qakbot cullinan 1640168876 banker evasion stealer trojan

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1640168876

C2

93.48.80.198:995

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

190.39.205.165:443

79.173.195.234:443

39.49.66.100:995

103.139.242.30:22

79.167.192.206:995

45.9.20.200:2211

24.95.61.62:443

37.210.226.125:61202

103.139.242.30:995

70.163.1.219:443

103.143.8.71:6881

76.169.147.192:32103

136.143.11.232:443

63.153.187.104:443

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

988 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

1232 schtasks.exe

pid	process
988	regsvr32.exe

pid	process
1232	schtasks.exe

Modifies data under HKEY_USERS 10 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\735da243 = ffa21fc0b7878feae274ca40e8aae278b5557cc128651561969f2dd1b7e996098ca06f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\e55edc9 = db59bdc049b847cc4f79acd375177ee3fc8663a2b7b67f0d8106fef7142de34c55523ec21b4bee5b0acf837db2488cdaf70da44dd4eae184	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\b6e98aac = 0d8f150813e12dc9c381b3efc9ee3acb43d26bf9f6a1b41e2bcb2b021859e71023d9dad87306c335c0fd357752d3b88bfc5c041b245472b092184722	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\fc3f3514 = a339b9ad9c5faf8cdd73643511a07c552737fc04070311da22855774bd3bd7b5c58153b6c3f94bd991b7369f1ad4108933e04e0294cd551509f2d771d0b3937fe2c0d443346450ad692ef52de5cfb9ab85426f0ffa358b7d84c1a9065e9e78ddd652e07d3994efc1e7259a08b90a4bebee995b4cd2c9a5a1ace277c5	explorer.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Saccoyxj	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\fc3f3514 = a339aead9c5f9afabb36c053555aeae8439f0aba5f975ccfa0048c78626564d73691b978f02c911724351e167ba070419735e495eb30f975485adbdaf05c0514caa268814f6e7d477197544d10bf9809beb2d4a18c2e6f52fccf4cbf7c8c9bf7338316337aa9de	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\cbe1c526 = d4513ae684f60115998d06e595728f0d68ebed50b580093c68c6db351eee3a9ffff1c5877cf75688a04e3f88be150420c888cdf18c2536628a7c218d3239d65143b84cc4971545508ae0fa20390dcd9ae1a1973e952efc92abf1e714	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\c9a0e55a = 6a3315cc37a60077062b7cebb0513f337eb291301dbce81e70349a4c2a76fb39f5719c2dad35a5a457c2e8220f318508ac9e902537c5e25c99582c669e7ac6414507261bb2bd170fd03db67f9da6691d2b6940a4cfa814d71ae7995d698eda74a6c1e6dc0cd1990da4abbfa5ab77b7a878b622cd094518c000bbe0bedc0c4af3c712c207c4a063f9ccecd0fad4d3ce2f30f50ccf288005fc174acf1e464847770faef43f3f	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\711c823f = ffd68489c405f78f7072113674ad282c9d26a308588797989ff47774c304dc322650ba	explorer.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Saccoyxj\83765ae2 = 83b4ef7d71ab612b5bd5f331eb278a2a3aefec9225e2e46f93992d	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1292 rundll32.exe
988 regsvr32.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exeregsvr32.exe

pid process

1292 rundll32.exe
988 regsvr32.exe

pid	process
1292	rundll32.exe
988	regsvr32.exe

pid	process
1292	rundll32.exe
988	regsvr32.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1448 wrote to memory of 1292	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1292	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1292	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1292	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1292	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1292	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1292	1448	rundll32.exe	rundll32.exe
PID 1292 wrote to memory of 756	1292	rundll32.exe	explorer.exe
PID 1292 wrote to memory of 756	1292	rundll32.exe	explorer.exe
PID 1292 wrote to memory of 756	1292	rundll32.exe	explorer.exe
PID 1292 wrote to memory of 756	1292	rundll32.exe	explorer.exe
PID 1292 wrote to memory of 756	1292	rundll32.exe	explorer.exe
PID 1292 wrote to memory of 756	1292	rundll32.exe	explorer.exe
PID 756 wrote to memory of 1232	756	explorer.exe	schtasks.exe
PID 756 wrote to memory of 1232	756	explorer.exe	schtasks.exe
PID 756 wrote to memory of 1232	756	explorer.exe	schtasks.exe
PID 756 wrote to memory of 1232	756	explorer.exe	schtasks.exe
PID 1460 wrote to memory of 1208	1460	taskeng.exe	regsvr32.exe
PID 1460 wrote to memory of 1208	1460	taskeng.exe	regsvr32.exe
PID 1460 wrote to memory of 1208	1460	taskeng.exe	regsvr32.exe
PID 1460 wrote to memory of 1208	1460	taskeng.exe	regsvr32.exe
PID 1460 wrote to memory of 1208	1460	taskeng.exe	regsvr32.exe
PID 1208 wrote to memory of 988	1208	regsvr32.exe	regsvr32.exe
PID 1208 wrote to memory of 988	1208	regsvr32.exe	regsvr32.exe
PID 1208 wrote to memory of 988	1208	regsvr32.exe	regsvr32.exe
PID 1208 wrote to memory of 988	1208	regsvr32.exe	regsvr32.exe
PID 1208 wrote to memory of 988	1208	regsvr32.exe	regsvr32.exe
PID 1208 wrote to memory of 988	1208	regsvr32.exe	regsvr32.exe
PID 1208 wrote to memory of 988	1208	regsvr32.exe	regsvr32.exe
PID 988 wrote to memory of 1724	988	regsvr32.exe	explorer.exe
PID 988 wrote to memory of 1724	988	regsvr32.exe	explorer.exe
PID 988 wrote to memory of 1724	988	regsvr32.exe	explorer.exe
PID 988 wrote to memory of 1724	988	regsvr32.exe	explorer.exe
PID 988 wrote to memory of 1724	988	regsvr32.exe	explorer.exe
PID 988 wrote to memory of 1724	988	regsvr32.exe	explorer.exe
PID 1724 wrote to memory of 1960	1724	explorer.exe	reg.exe
PID 1724 wrote to memory of 1960	1724	explorer.exe	reg.exe
PID 1724 wrote to memory of 1960	1724	explorer.exe	reg.exe
PID 1724 wrote to memory of 1960	1724	explorer.exe	reg.exe
PID 1724 wrote to memory of 1168	1724	explorer.exe	reg.exe
PID 1724 wrote to memory of 1168	1724	explorer.exe	reg.exe
PID 1724 wrote to memory of 1168	1724	explorer.exe	reg.exe
PID 1724 wrote to memory of 1168	1724	explorer.exe	reg.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn oykmwag /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll\"" /SC ONCE /Z /ST 09:02 /ET 09:14
4⤵
- Creates scheduled task(s)
PID:1232

C:\Windows\system32\taskeng.exe
taskeng.exe {24F35D03-0D15-4863-836F-9462E40B0BE4} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\system32\regsvr32.exe
regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll"
2⤵
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\regsvr32.exe
-s "C:\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1724

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\Jgtrjqlie" /d "0"
5⤵
PID:1960

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\Iuexyfiaq" /d "0"
5⤵
PID:1168

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\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll
MD5
51f81eccac70d30d37eab17ebae9c02c

SHA1
30e4eb355e5fae3a7a61fa135fbad369fa95c446

SHA256
ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a

SHA512
254222657ba6e9b0af5198633e7eff683adc803380144a73f16391341728b8d27648beff4a97ec91b07b7cf7a5b43d5fc7576eb6c2f5eb2a11772f7f3a9324b6

Download Submit
\Users\Admin\AppData\Local\Temp\ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a.dll
MD5
51f81eccac70d30d37eab17ebae9c02c

SHA1
30e4eb355e5fae3a7a61fa135fbad369fa95c446

SHA256
ab2c0b36b787b8d1c428c9971c8a4db76ffb03c9c3bf659aa0b03ee45e8ed58a

SHA512
254222657ba6e9b0af5198633e7eff683adc803380144a73f16391341728b8d27648beff4a97ec91b07b7cf7a5b43d5fc7576eb6c2f5eb2a11772f7f3a9324b6

Download Submit
memory/756-62-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/756-65-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/756-64-0x00000000748E1000-0x00000000748E3000-memory.dmp

Filesize
8KB

Download
memory/988-71-0x00000000003B0000-0x00000000003D1000-memory.dmp

Filesize
132KB

Download
memory/988-70-0x00000000002A0000-0x0000000000340000-memory.dmp

Filesize
640KB

Download
memory/988-75-0x00000000003B0000-0x00000000003D1000-memory.dmp

Filesize
132KB

Download
memory/988-73-0x00000000003B0000-0x00000000003D1000-memory.dmp

Filesize
132KB

Download
memory/988-74-0x00000000003B0000-0x00000000003D1000-memory.dmp

Filesize
132KB

Download
memory/988-72-0x00000000003B0000-0x00000000003D1000-memory.dmp

Filesize
132KB

Download
memory/1208-66-0x000007FEFBC21000-0x000007FEFBC23000-memory.dmp

Filesize
8KB

Download
memory/1292-56-0x00000000009A0000-0x00000000009C1000-memory.dmp

Filesize
132KB

Download
memory/1292-55-0x00000000002C0000-0x0000000000360000-memory.dmp

Filesize
640KB

Download
memory/1292-60-0x0000000000950000-0x0000000000993000-memory.dmp

Filesize
268KB

Download
memory/1292-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1292-57-0x00000000009A0000-0x00000000009C1000-memory.dmp

Filesize
132KB

Download
memory/1292-59-0x00000000009A0000-0x00000000009C1000-memory.dmp

Filesize
132KB

Download
memory/1292-58-0x00000000009A0000-0x00000000009C1000-memory.dmp

Filesize
132KB

Download
memory/1292-61-0x00000000009A0000-0x00000000009C1000-memory.dmp

Filesize
132KB

Download
memory/1724-79-0x0000000000080000-0x00000000000A1000-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