bandook | 512dc2e5252c2063a348f3475789b0cd02fce90c68f17845e3b99dd2fd8049e4

General

Target

Visualizarpdf-print-29052023.exe
Size

5.2MB
MD5

79441b006a2145fa62d02622400ac2e6
SHA1

89d8c2e884766d0e1d4e460903f7dae0075bbaf5
SHA256

512dc2e5252c2063a348f3475789b0cd02fce90c68f17845e3b99dd2fd8049e4
SHA512

c1432f553466d11d3ade7397f09fca62288e02538ee00ad5c86c432d84f4e0b826d3f82bd3b251de362039e2ba40f65b5fb8e181d71e566360b92147966831ec
SSDEEP

49152:ybVKnrKEdSQZaH5GcLo3Fj/Z92N9QjCuX+kVoNkvMdm66w5HO6vrVlZruEk:y8B

Score

10^/10

bandook persistence rat trojan upx

Malware Config

Extracted

Family

bandook

C2

humut.su

Signatures

Bandook RAT
Bandook is a remote access tool written in C++ and shipped with a loader written in Delphi.
rat trojan bandook

Bandook payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1840-81-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1840-82-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1840-91-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1840-92-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1840-93-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1840-95-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1840-97-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1884-136-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook
behavioral1/memory/1884-140-0x0000000013140000-0x000000001425D000-memory.dmp	family_bandook

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1840-79-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-80-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-81-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-82-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-91-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-92-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-93-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-95-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1840-97-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1884-136-0x0000000013140000-0x000000001425D000-memory.dmp	upx
behavioral1/memory/1884-140-0x0000000013140000-0x000000001425D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msinfo32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\TLJ = "C:\\Users\\Admin\\AppData\\Roaming\\TLJ\\TLJ.exe"	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

msinfo32.exe

pid process

1840 msinfo32.exe

pid	process
1840	msinfo32.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Visualizarpdf-print-29052023.exeVisualizarpdf-print-29052023.exe

description	pid	process	target process
PID 1900 wrote to memory of 1840	1900	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1900 wrote to memory of 1840	1900	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1900 wrote to memory of 1840	1900	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1900 wrote to memory of 1840	1900	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1900 wrote to memory of 1940	1900	Visualizarpdf-print-29052023.exe	Visualizarpdf-print-29052023.exe
PID 1900 wrote to memory of 1940	1900	Visualizarpdf-print-29052023.exe	Visualizarpdf-print-29052023.exe
PID 1900 wrote to memory of 1940	1900	Visualizarpdf-print-29052023.exe	Visualizarpdf-print-29052023.exe
PID 1900 wrote to memory of 1940	1900	Visualizarpdf-print-29052023.exe	Visualizarpdf-print-29052023.exe
PID 1900 wrote to memory of 1840	1900	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1900 wrote to memory of 1840	1900	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1940 wrote to memory of 1884	1940	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1940 wrote to memory of 1884	1940	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1940 wrote to memory of 1884	1940	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1940 wrote to memory of 1884	1940	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1940 wrote to memory of 1884	1940	Visualizarpdf-print-29052023.exe	msinfo32.exe
PID 1940 wrote to memory of 1884	1940	Visualizarpdf-print-29052023.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\Visualizarpdf-print-29052023.exe
"C:\Users\Admin\AppData\Local\Temp\Visualizarpdf-print-29052023.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1900

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1840

C:\Users\Admin\AppData\Local\Temp\Visualizarpdf-print-29052023.exe
C:\Users\Admin\AppData\Local\Temp\Visualizarpdf-print-29052023.exe ooooooooooooooo
2⤵
- Suspicious use of WriteProcessMemory
PID:1940

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
3⤵
- Adds Run key to start application
PID:1884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1840-92-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-80-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-81-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-82-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-97-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-95-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-93-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-91-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-77-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1840-78-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1840-79-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1884-140-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1884-136-0x0000000013140000-0x000000001425D000-memory.dmp

Filesize
17.1MB

Download
memory/1900-74-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-72-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-58-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-83-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-56-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1900-57-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-59-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-105-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-54-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1900-55-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1900-73-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1940-84-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1940-98-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1940-76-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1940-89-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1940-86-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads