qakbot | a7fcf4db18ca60e8cf3db3a2c3e1525e4cf4f2dbee71e24eeb454e95af2d28cb

General

Target

document-1550330529.xls
Size

88KB
MD5

f702f05f75fbde10384efefbdb305592
SHA1

54865fdf009d216932a0eaa2ed053a39f49dcc29
SHA256

35d1ccc69c4367606be744c74d09b9a39ec8b3b44d562f25fed272f22815ad9f
SHA512

b755744f84fa5d374abda9f465f084101912ee9af7b7241ba7a9af61e0b06aa26b4dc1e5a9985f9bed0b1283df6ae44e9dab5c42a3a5751a14364501fc7ba7d0

Score

10^/10

qakbot tr 1613385567 banker evasion stealer themida trojan

Malware Config

Extracted

Family

qakbot

Botnet

tr

Campaign

1613385567

C2

78.63.226.32:443

197.51.82.72:443

193.248.221.184:2222

95.77.223.148:443

71.199.192.62:443

77.211.30.202:995

80.227.5.69:443

77.27.204.204:995

81.97.154.100:443

173.184.119.153:995

38.92.225.121:443

81.150.181.168:2222

90.65.236.181:2222

83.110.103.152:443

73.153.211.227:443

188.25.63.105:443

89.137.211.239:995

202.188.138.162:443

98.173.34.212:995

87.202.87.210:2222

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3372	1908	rundll32.exe	EXCEL.EXE

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

4004 rundll32.exe

themida 6 IoCs

Detects Themida, Advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\idefje.ekfd	themida
\Users\Admin\idefje.ekfd	themida
behavioral2/memory/4004-11-0x0000000010000000-0x0000000010429000-memory.dmp	themida
behavioral2/memory/4044-18-0x0000000003400000-0x0000000003829000-memory.dmp	themida
behavioral2/memory/2924-23-0x0000000003060000-0x0000000003489000-memory.dmp	themida
behavioral2/memory/1216-26-0x0000000002E00000-0x0000000003229000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

4004 rundll32.exe
Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

3844 4044 WerFault.exe explorer.exe
736 2924 WerFault.exe explorer.exe
484 1216 WerFault.exe mobsync.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

pid	pid_target	process	target process
3844	4044	WerFault.exe	explorer.exe
736	2924	WerFault.exe	explorer.exe
484	1216	WerFault.exe	mobsync.exe

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1908 EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 47 IoCs

Processes:

rundll32.exeWerFault.exeWerFault.exeWerFault.exe

pid	process
4004	rundll32.exe
4004	rundll32.exe
4004	rundll32.exe
4004	rundll32.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
3844	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
736	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

rundll32.exe

pid process

4004 rundll32.exe
4004 rundll32.exe
4004 rundll32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

description	pid	process
Token: SeRestorePrivilege	3844	WerFault.exe
Token: SeBackupPrivilege	3844	WerFault.exe
Token: SeDebugPrivilege	3844	WerFault.exe
Token: SeDebugPrivilege	736	WerFault.exe
Token: SeDebugPrivilege	484	WerFault.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 1908 wrote to memory of 3372	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 3372	1908	EXCEL.EXE	rundll32.exe
PID 3372 wrote to memory of 4004	3372	rundll32.exe	rundll32.exe
PID 3372 wrote to memory of 4004	3372	rundll32.exe	rundll32.exe
PID 3372 wrote to memory of 4004	3372	rundll32.exe	rundll32.exe
PID 4004 wrote to memory of 4044	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 4044	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 4044	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 4044	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 4044	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 2924	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 2924	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 2924	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 2924	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 2924	4004	rundll32.exe	explorer.exe
PID 4004 wrote to memory of 1216	4004	rundll32.exe	mobsync.exe
PID 4004 wrote to memory of 1216	4004	rundll32.exe	mobsync.exe
PID 4004 wrote to memory of 1216	4004	rundll32.exe	mobsync.exe
PID 4004 wrote to memory of 1216	4004	rundll32.exe	mobsync.exe
PID 4004 wrote to memory of 1216	4004	rundll32.exe	mobsync.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1550330529.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\idefje.ekfd,DllRegisterServer
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3372

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\idefje.ekfd,DllRegisterServer
3⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4004

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 720
5⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3844

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 716
5⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:736

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\SysWOW64\mobsync.exe
4⤵
PID:1216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 464
5⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:484

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

5

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

5

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\idefje.ekfd
MD5
b509be029763ac06bb800fc69aa37233

SHA1
3eeca996be760557f70776ab61c700fe45a7c22d

SHA256
cb3a5f285a6e6682544aec97a87cba31df7f9a03e9ecd5635fe5117782983fb0

SHA512
d43444cfb5489d582efebe246da5f75d716cf70c52c4be679b2018acc90461892b99158327733dc16d4202f5bd16b95f2ddc3082fef7c36c966fe9dfb7cd3514

Download Submit
\Users\Admin\idefje.ekfd
MD5
b509be029763ac06bb800fc69aa37233

SHA1
3eeca996be760557f70776ab61c700fe45a7c22d

SHA256
cb3a5f285a6e6682544aec97a87cba31df7f9a03e9ecd5635fe5117782983fb0

SHA512
d43444cfb5489d582efebe246da5f75d716cf70c52c4be679b2018acc90461892b99158327733dc16d4202f5bd16b95f2ddc3082fef7c36c966fe9dfb7cd3514

Download Submit
memory/484-25-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/736-20-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/1216-24-0x0000000000000000-mapping.dmp

Download
memory/1216-26-0x0000000002E00000-0x0000000003229000-memory.dmp

Filesize
4.2MB

Download
memory/1908-6-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-5-0x00007FFCA1C50000-0x00007FFCA2287000-memory.dmp

Filesize
6.2MB

Download
memory/1908-2-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-4-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-3-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/2924-19-0x0000000000000000-mapping.dmp

Download
memory/2924-23-0x0000000003060000-0x0000000003489000-memory.dmp

Filesize
4.2MB

Download
memory/3372-7-0x0000000000000000-mapping.dmp

Download
memory/3844-15-0x00000000044B0000-0x00000000044B1000-memory.dmp

Filesize
4KB

Download
memory/3844-16-0x00000000044B0000-0x00000000044B1000-memory.dmp

Filesize
4KB

Download
memory/4004-12-0x0000000010001000-0x0000000010025000-memory.dmp

Filesize
144KB

Download
memory/4004-13-0x0000000077754000-0x0000000077755000-memory.dmp

Filesize
4KB

Download
memory/4004-11-0x0000000010000000-0x0000000010429000-memory.dmp

Filesize
4.2MB

Download
memory/4004-9-0x0000000000000000-mapping.dmp

Download
memory/4044-18-0x0000000003400000-0x0000000003829000-memory.dmp

Filesize
4.2MB

Download
memory/4044-14-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads