qakbot | a71bc05175447b9e1c12c9850258d2574f5061d4a2e3d023aed2c8db24612f92

Analysis

max time kernel
150s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
04-04-2023 02:50

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General

Target

3.xll
Size

2.3MB
MD5

53b4ffdec7940324ef9ece342455e355
SHA1

e894d08d83844ecfc11b740088fbf32ffea1dc6a
SHA256

a71bc05175447b9e1c12c9850258d2574f5061d4a2e3d023aed2c8db24612f92
SHA512

f8ef25046f61bd8a7c378978aebeada56dc17da6dc8d65ef15f0a61fdd531e855170690dc302346bd508bc292f946a63ae35f58e33240471ddc0bcbdf9b8ea3e
SSDEEP

49152:Wjr9d3EfessB2KEAQ3PlAEIZ6QqrONloCt4nnM+DoRDPOjYvf9FB:ar9d028KEl39AdZ/6y+9M7RDPZB

Score

10^/10

qakbot obama242 1678805546 banker stealer trojan

Malware Config

Extracted

Language

xlm4.0

Source

Extracted

Family

qakbot

Version

404.266

Botnet

obama242

Campaign

1678805546

92.239.81.124:443

176.202.46.81:443

2.49.58.47:2222

86.225.214.138:2222

74.66.134.24:443

213.31.90.183:2222

12.172.173.82:50001

202.187.87.178:995

70.53.96.223:995

92.154.45.81:2222

186.64.67.54:443

81.158.112.20:2222

190.191.35.122:443

68.173.170.110:8443

12.172.173.82:993

98.145.23.67:443

12.172.173.82:22

37.186.55.60:2222

84.216.198.124:6881

73.161.176.218:443

Attributes

salt
SoNuce]ugdiB3c[doMuce2s81*uXmcvP

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

cmd.exeschtasks.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	1460	4896	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4036	4896	schtasks.exe	EXCEL.EXE

Qakbot/Qbot
Qbot or Qakbot is a sophisticated worm with banking capabilities.
trojan banker stealer qakbot
Loads dropped DLL 4 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

pid process

4896 EXCEL.EXE
4896 EXCEL.EXE
924 rundll32.exe
8 rundll32.exe

pid	process
4896	EXCEL.EXE
4896	EXCEL.EXE
924	rundll32.exe
8	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.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

4036 schtasks.exe

pid	process
4036	schtasks.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

4896 EXCEL.EXE

pid	process
4896	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exewermgr.exe

pid	process
924	rundll32.exe
924	rundll32.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe
4972	wermgr.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

924 rundll32.exe
8 rundll32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4896 EXCEL.EXE
4896 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4896 EXCEL.EXE
4896 EXCEL.EXE
4896 EXCEL.EXE
4896 EXCEL.EXE
4896 EXCEL.EXE
4896 EXCEL.EXE
4896 EXCEL.EXE
4896 EXCEL.EXE

pid	process
4896	EXCEL.EXE
4896	EXCEL.EXE

pid	process
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

EXCEL.EXEcmd.exerundll32.exerundll32.execmd.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 4896 wrote to memory of 1460	4896	EXCEL.EXE	cmd.exe
PID 4896 wrote to memory of 1460	4896	EXCEL.EXE	cmd.exe
PID 4896 wrote to memory of 4036	4896	EXCEL.EXE	schtasks.exe
PID 4896 wrote to memory of 4036	4896	EXCEL.EXE	schtasks.exe
PID 1460 wrote to memory of 3264	1460	cmd.exe	rundll32.exe
PID 1460 wrote to memory of 3264	1460	cmd.exe	rundll32.exe
PID 3264 wrote to memory of 924	3264	rundll32.exe	rundll32.exe
PID 3264 wrote to memory of 924	3264	rundll32.exe	rundll32.exe
PID 3264 wrote to memory of 924	3264	rundll32.exe	rundll32.exe
PID 924 wrote to memory of 4972	924	rundll32.exe	wermgr.exe
PID 924 wrote to memory of 4972	924	rundll32.exe	wermgr.exe
PID 924 wrote to memory of 4972	924	rundll32.exe	wermgr.exe
PID 924 wrote to memory of 4972	924	rundll32.exe	wermgr.exe
PID 924 wrote to memory of 4972	924	rundll32.exe	wermgr.exe
PID 3768 wrote to memory of 1172	3768	cmd.EXE	rundll32.exe
PID 3768 wrote to memory of 1172	3768	cmd.EXE	rundll32.exe
PID 1172 wrote to memory of 8	1172	rundll32.exe	rundll32.exe
PID 1172 wrote to memory of 8	1172	rundll32.exe	rundll32.exe
PID 1172 wrote to memory of 8	1172	rundll32.exe	rundll32.exe
PID 8 wrote to memory of 4392	8	rundll32.exe	wermgr.exe
PID 8 wrote to memory of 4392	8	rundll32.exe	wermgr.exe
PID 8 wrote to memory of 4392	8	rundll32.exe	wermgr.exe
PID 8 wrote to memory of 4392	8	rundll32.exe	wermgr.exe
PID 8 wrote to memory of 4392	8	rundll32.exe	wermgr.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3.xll"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896

C:\Windows\SYSTEM32\cmd.exe
cmd /c type "C:\Users\Admin\AppData\Roaming\1.dat" "C:\Users\Admin\AppData\Roaming\2.dat" > "C:\Users\Admin\AppData\Roaming\3.dat" && rundll32.exe "C:\Users\Admin\AppData\Roaming\3.dat",xlAutoOpen
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\3.dat",xlAutoOpen
3⤵
- Suspicious use of WriteProcessMemory
PID:3264

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\3.dat",xlAutoOpen
4⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:924

C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\wermgr.exe
5⤵
- Suspicious behavior: EnumeratesProcesses
PID:4972

C:\Windows\SYSTEM32\schtasks.exe
schtasks /Create /ST 04:59 /SC ONCE /tr "cmd /c type "C:\Users\Admin\AppData\Roaming\1.dat" "C:\Users\Admin\AppData\Roaming\2.dat" > "C:\Users\Admin\AppData\Roaming\3.dat" && rundll32.exe "C:\Users\Admin\AppData\Roaming\3.dat",xlAutoOpen" /tn "QQQ" /Z /ET 05:10
2⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4036

C:\Windows\system32\cmd.EXE
C:\Windows\system32\cmd.EXE /c type C:\Users\Admin\AppData\Roaming\1.dat C:\Users\Admin\AppData\Roaming\2.dat > C:\Users\Admin\AppData\Roaming\3.dat && rundll32.exe C:\Users\Admin\AppData\Roaming\3.dat,xlAutoOpen
1⤵
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Roaming\3.dat,xlAutoOpen
2⤵
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Roaming\3.dat,xlAutoOpen
3⤵
- Loads dropped DLL
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:8

C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\wermgr.exe
4⤵
PID:4392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3.xll
Filesize
2.3MB

MD5
53b4ffdec7940324ef9ece342455e355

SHA1
e894d08d83844ecfc11b740088fbf32ffea1dc6a

SHA256
a71bc05175447b9e1c12c9850258d2574f5061d4a2e3d023aed2c8db24612f92

SHA512
f8ef25046f61bd8a7c378978aebeada56dc17da6dc8d65ef15f0a61fdd531e855170690dc302346bd508bc292f946a63ae35f58e33240471ddc0bcbdf9b8ea3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\3.xll
Filesize
2.3MB

MD5
53b4ffdec7940324ef9ece342455e355

SHA1
e894d08d83844ecfc11b740088fbf32ffea1dc6a

SHA256
a71bc05175447b9e1c12c9850258d2574f5061d4a2e3d023aed2c8db24612f92

SHA512
f8ef25046f61bd8a7c378978aebeada56dc17da6dc8d65ef15f0a61fdd531e855170690dc302346bd508bc292f946a63ae35f58e33240471ddc0bcbdf9b8ea3e

Download Submit
C:\Users\Admin\AppData\Roaming\1.dat
Filesize
1024B

MD5
84a765f683860eedbb344a9a1aa0c883

SHA1
f797c21a9e87eddf89f4894982d88741b9cbd56f

SHA256
b119a36f1c4c98e6a5e2171fda99dd5ab552d73e1aa6d4696f90ef53c346ad17

SHA512
5e12c9139315c507b20246d97e6cf693add400dab72431aa7adb62aeb66303defbba724e1b14f2dbc4c04e00a0be953a1fb54c87614f45b0ec35bc9b4170cc9e

Download Submit
C:\Users\Admin\AppData\Roaming\2.dat
Filesize
588KB

MD5
5d450b19aa1a0fd9ae4103fa84d5d09b

SHA1
ece9e1d7edd90ff23e35a58ce1fda92ae64bcd3a

SHA256
3d27c65ceff3e817f9d1c1f81b1151f32c13d42eef73da41eeae4c4e426f885c

SHA512
48d8cd6da757843903706a5ec8cbddc4531ab4c0d6dfae5032c76b21ce5dad73522082f66be606afce3222fdb6a3e0250d31e188b9c237c4b94b0e996a30c403

Download Submit
C:\Users\Admin\AppData\Roaming\3.dat
Filesize
589KB

MD5
ff58f9cf0740aead678d9e36c0782894

SHA1
5c2b6dd776b097dc0bff7a60361a4b026b19268d

SHA256
b699dc3e5b1de51efb4e498cd2f1c7e9d3d08810ee8673c215f2aab0618e119c

SHA512
a10c83ac5c47e316b4482d8f68e2a42973c055e39aaf5092e88abd58b45e60cb25a85f674a3328a490e8f06157a786600c56ce0af45b02b4743cdae590cdc9e9

Download Submit
C:\Users\Admin\AppData\Roaming\3.dat
Filesize
589KB

MD5
ff58f9cf0740aead678d9e36c0782894

SHA1
5c2b6dd776b097dc0bff7a60361a4b026b19268d

SHA256
b699dc3e5b1de51efb4e498cd2f1c7e9d3d08810ee8673c215f2aab0618e119c

SHA512
a10c83ac5c47e316b4482d8f68e2a42973c055e39aaf5092e88abd58b45e60cb25a85f674a3328a490e8f06157a786600c56ce0af45b02b4743cdae590cdc9e9

Download Submit
C:\Users\Admin\AppData\Roaming\3.dat
Filesize
589KB

MD5
ff58f9cf0740aead678d9e36c0782894

SHA1
5c2b6dd776b097dc0bff7a60361a4b026b19268d

SHA256
b699dc3e5b1de51efb4e498cd2f1c7e9d3d08810ee8673c215f2aab0618e119c

SHA512
a10c83ac5c47e316b4482d8f68e2a42973c055e39aaf5092e88abd58b45e60cb25a85f674a3328a490e8f06157a786600c56ce0af45b02b4743cdae590cdc9e9

Download Submit
C:\Users\Admin\AppData\Roaming\3.dat
Filesize
589KB

MD5
ff58f9cf0740aead678d9e36c0782894

SHA1
5c2b6dd776b097dc0bff7a60361a4b026b19268d

SHA256
b699dc3e5b1de51efb4e498cd2f1c7e9d3d08810ee8673c215f2aab0618e119c

SHA512
a10c83ac5c47e316b4482d8f68e2a42973c055e39aaf5092e88abd58b45e60cb25a85f674a3328a490e8f06157a786600c56ce0af45b02b4743cdae590cdc9e9

Download Submit
\??\PIPE\wkssvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/8-192-0x0000000000B80000-0x0000000000BA3000-memory.dmp

Filesize
140KB

Download
memory/8-190-0x0000000000B80000-0x0000000000BA3000-memory.dmp

Filesize
140KB

Download
memory/8-195-0x0000000000B80000-0x0000000000BA3000-memory.dmp

Filesize
140KB

Download
memory/924-159-0x00000000007E0000-0x0000000000811000-memory.dmp

Filesize
196KB

Download
memory/924-160-0x0000000000880000-0x00000000008A3000-memory.dmp

Filesize
140KB

Download
memory/924-161-0x0000000000880000-0x00000000008A3000-memory.dmp

Filesize
140KB

Download
memory/924-158-0x0000000000880000-0x00000000008A3000-memory.dmp

Filesize
140KB

Download
memory/4392-194-0x0000000000940000-0x0000000000963000-memory.dmp

Filesize
140KB

Download
memory/4392-196-0x0000000000940000-0x0000000000963000-memory.dmp

Filesize
140KB

Download
memory/4392-193-0x0000000000940000-0x0000000000963000-memory.dmp

Filesize
140KB

Download
memory/4896-185-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-133-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-134-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-135-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-136-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-137-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-172-0x00000274CDA40000-0x00000274CDAFB000-memory.dmp

Filesize
748KB

Download
memory/4896-138-0x00007FFD01030000-0x00007FFD01040000-memory.dmp

Filesize
64KB

Download
memory/4896-182-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-183-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-184-0x00007FFD03090000-0x00007FFD030A0000-memory.dmp

Filesize
64KB

Download
memory/4896-139-0x00007FFD01030000-0x00007FFD01040000-memory.dmp

Filesize
64KB

Download
memory/4896-186-0x00000274CDA40000-0x00000274CDAFB000-memory.dmp

Filesize
748KB

Download
memory/4896-145-0x00000274CD970000-0x00000274CDA3F000-memory.dmp

Filesize
828KB

Download
memory/4896-156-0x00000274CDA40000-0x00000274CDAFB000-memory.dmp

Filesize
748KB

Download
memory/4972-162-0x0000000001070000-0x0000000001093000-memory.dmp

Filesize
140KB

Download
memory/4972-163-0x0000000001070000-0x0000000001093000-memory.dmp

Filesize
140KB

Download
memory/4972-175-0x0000000001070000-0x0000000001093000-memory.dmp

Filesize
140KB

Download
memory/4972-171-0x0000000001070000-0x0000000001093000-memory.dmp

Filesize
140KB

Download
memory/4972-166-0x0000000001070000-0x0000000001093000-memory.dmp

Filesize
140KB

Download
memory/4972-165-0x0000000001070000-0x0000000001093000-memory.dmp

Filesize
140KB

Download
memory/4972-164-0x0000000001070000-0x0000000001093000-memory.dmp

Filesize
140KB

Download