bandook | c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e

General

Target

c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe
Size

1.5MB
MD5

8a3559d0186867422bdeda233c42e837
SHA1

fc2fc7010739c22050d0ebb8d5d5212083fbbc5e
SHA256

c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e
SHA512

0d2b76bb65139de7ee2b2412f885fd8af7e60c61489a05ce3e7d99a91ad3f4d3b4a310c67bcb9897b29a5937dc0bc685712fc89fae25e03a59d0c424c9df1569
SSDEEP

24576:bqtusu+tVxHPidqUAIM3CNQgII6SZlCDHh3R5IdBAJ58:bZwd4MbyZlUBB5mA

Score

10^/10

bandook persistence rat trojan

Malware Config

Extracted

Family

bandook

C2

soniaswiss.ddns.net

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 5 IoCs

resource	yara_rule
behavioral1/memory/1892-56-0x0000000013140000-0x0000000013B8E000-memory.dmp	family_bandook
behavioral1/memory/1892-57-0x0000000013148315-mapping.dmp	family_bandook
behavioral1/memory/1892-60-0x0000000013140000-0x0000000013B8E000-memory.dmp	family_bandook
behavioral1/memory/1892-61-0x0000000013140000-0x0000000013B8E000-memory.dmp	family_bandook
behavioral1/memory/1892-62-0x0000000013140000-0x0000000013B8E000-memory.dmp	family_bandook

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\obm = "C:\\Users\\Admin\\AppData\\Local\\obm\\obm.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\obm = "C:\\Users\\Admin\\AppData\\Local\\obm\\obm.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 1892	2036	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1892	2036	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	28
PID 2036 wrote to memory of 1892	2036	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	28
PID 2036 wrote to memory of 1892	2036	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	28
PID 2036 wrote to memory of 1892	2036	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	28
PID 2036 wrote to memory of 1892	2036	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	28
PID 2036 wrote to memory of 1892	2036	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	28
PID 1892 wrote to memory of 1500	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	29
PID 1892 wrote to memory of 1500	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	29
PID 1892 wrote to memory of 1500	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	29
PID 1892 wrote to memory of 1500	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	29
PID 1892 wrote to memory of 1500	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	29
PID 1892 wrote to memory of 776	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	30
PID 1892 wrote to memory of 776	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	30
PID 1892 wrote to memory of 776	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	30
PID 1892 wrote to memory of 776	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	30
PID 1892 wrote to memory of 776	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	30
PID 1892 wrote to memory of 1392	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	31
PID 1892 wrote to memory of 1392	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	31
PID 1892 wrote to memory of 1392	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	31
PID 1892 wrote to memory of 1392	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	31
PID 1892 wrote to memory of 1392	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	31
PID 1892 wrote to memory of 360	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	32
PID 1892 wrote to memory of 360	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	32
PID 1892 wrote to memory of 360	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	32
PID 1892 wrote to memory of 360	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	32
PID 1892 wrote to memory of 360	1892	c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe	32

C:\Users\Admin\AppData\Local\Temp\c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe
"C:\Users\Admin\AppData\Local\Temp\c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe
  "C:\Users\Admin\AppData\Local\Temp\c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1500
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    PID:776
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1392
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    PID:360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\obm\obm.exe

Filesize
1.5MB

MD5
8a3559d0186867422bdeda233c42e837

SHA1
fc2fc7010739c22050d0ebb8d5d5212083fbbc5e

SHA256
c980f24533ca7c2e289191ff09a941d3dd1dfd5ebf6c884ff6c65641e3454b6e

SHA512
0d2b76bb65139de7ee2b2412f885fd8af7e60c61489a05ce3e7d99a91ad3f4d3b4a310c67bcb9897b29a5937dc0bc685712fc89fae25e03a59d0c424c9df1569

Download Submit
memory/1892-54-0x0000000013140000-0x0000000013B8E000-memory.dmp

Filesize
10.3MB

Download
memory/1892-56-0x0000000013140000-0x0000000013B8E000-memory.dmp

Filesize
10.3MB

Download
memory/1892-59-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1892-60-0x0000000013140000-0x0000000013B8E000-memory.dmp

Filesize
10.3MB

Download
memory/1892-61-0x0000000013140000-0x0000000013B8E000-memory.dmp

Filesize
10.3MB

Download
memory/1892-62-0x0000000013140000-0x0000000013B8E000-memory.dmp

Filesize
10.3MB

Download

Analysis

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