qakbot | 9421d630f001d0b43c12f4d8c1a9b5debf7a11db9e213b2f0d8eaba6a09f3d5d

General

Target

6_.png.dll
Size

680KB
MD5

3c6ed4aa4bf4dbabd4bf8f939f159325
SHA1

56f3a16071c8cfb9ebc1887f92dec9cb38d787de
SHA256

9421d630f001d0b43c12f4d8c1a9b5debf7a11db9e213b2f0d8eaba6a09f3d5d
SHA512

a4682a7231607d4293754736783feaffe895b6c0301808dcf654f80918bb27f7a9e14b574337ea5512abe26ada9c3989883b4d6b0e0117bece232b2a443257b0

Score

10^/10

qakbot cullinan 1639988898 banker 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
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

3728 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

2740 regsvr32.exe
2740 regsvr32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

regsvr32.exe

pid process

2740 regsvr32.exe

pid	process
3728	schtasks.exe

pid	process
2740	regsvr32.exe
2740	regsvr32.exe

pid	process
2740	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

regsvr32.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 2476 wrote to memory of 2740	2476	regsvr32.exe	regsvr32.exe
PID 2476 wrote to memory of 2740	2476	regsvr32.exe	regsvr32.exe
PID 2476 wrote to memory of 2740	2476	regsvr32.exe	regsvr32.exe
PID 2740 wrote to memory of 3744	2740	regsvr32.exe	explorer.exe
PID 2740 wrote to memory of 3744	2740	regsvr32.exe	explorer.exe
PID 2740 wrote to memory of 3744	2740	regsvr32.exe	explorer.exe
PID 2740 wrote to memory of 3744	2740	regsvr32.exe	explorer.exe
PID 2740 wrote to memory of 3744	2740	regsvr32.exe	explorer.exe
PID 3744 wrote to memory of 3728	3744	explorer.exe	schtasks.exe
PID 3744 wrote to memory of 3728	3744	explorer.exe	schtasks.exe
PID 3744 wrote to memory of 3728	3744	explorer.exe	schtasks.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6_.png.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2476

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\6_.png.dll
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2740

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn yirxspdpbb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\6_.png.dll\"" /SC ONCE /Z /ST 13:13 /ET 13:25
4⤵
- Creates scheduled task(s)
PID:3728

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2740-115-0x0000000000000000-mapping.dmp

Download
memory/2740-116-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/2740-117-0x0000000010000000-0x000000001010D000-memory.dmp

Filesize
1.1MB

Download
memory/3728-119-0x0000000000000000-mapping.dmp

Download
memory/3744-118-0x0000000000000000-mapping.dmp

Download
memory/3744-120-0x00000000046C0000-0x00000000046C1000-memory.dmp

Filesize
4KB

Download
memory/3744-121-0x00000000046C0000-0x00000000046C1000-memory.dmp

Filesize
4KB

Download
memory/3744-122-0x0000000002A60000-0x0000000002A81000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads