bandook | 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3

General

Target

4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
Size

977KB
MD5

f000ca9522aafa0c54b863528228a43b
SHA1

c636e88b9e8079ba086f5cdb132fa39e747d0f23
SHA256

4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3
SHA512

ccbb478d676a3c6f1355ab30933196c5bf41b64b613e8efe661546c238700ce2aec340390af9069c303a43bc7c4f41400c418920041cf4967c6e02b272ef372d

Score

10^/10

bandook persistence rat trojan

Malware Config

Extracted

Family

bandook

C2

iamgood.blogdns.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/1968-57-0x0000000013149793-mapping.dmp	family_bandook
behavioral1/memory/1968-56-0x0000000013140000-0x0000000013B93000-memory.dmp	family_bandook
behavioral1/memory/1968-60-0x0000000013140000-0x0000000013B93000-memory.dmp	family_bandook
behavioral1/memory/1968-61-0x0000000013140000-0x0000000013B93000-memory.dmp	family_bandook
behavioral1/memory/1968-62-0x0000000013140000-0x0000000013B93000-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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbc = "C:\\Users\\Admin\\AppData\\Local\\bbc\\bbc.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbc = "C:\\Users\\Admin\\AppData\\Local\\bbc\\bbc.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 1968	2044	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	27

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 2044 wrote to memory of 1968	2044	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	27
PID 2044 wrote to memory of 1968	2044	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	27
PID 2044 wrote to memory of 1968	2044	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	27
PID 2044 wrote to memory of 1968	2044	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	27
PID 2044 wrote to memory of 1968	2044	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	27
PID 2044 wrote to memory of 1968	2044	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	27
PID 1968 wrote to memory of 1820	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	28
PID 1968 wrote to memory of 1820	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	28
PID 1968 wrote to memory of 1820	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	28
PID 1968 wrote to memory of 1820	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	28
PID 1968 wrote to memory of 1820	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	28
PID 1968 wrote to memory of 1804	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	29
PID 1968 wrote to memory of 1804	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	29
PID 1968 wrote to memory of 1804	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	29
PID 1968 wrote to memory of 1804	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	29
PID 1968 wrote to memory of 1804	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	29
PID 1968 wrote to memory of 1120	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	30
PID 1968 wrote to memory of 1120	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	30
PID 1968 wrote to memory of 1120	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	30
PID 1968 wrote to memory of 1120	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	30
PID 1968 wrote to memory of 1120	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	30
PID 1968 wrote to memory of 676	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	31
PID 1968 wrote to memory of 676	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	31
PID 1968 wrote to memory of 676	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	31
PID 1968 wrote to memory of 676	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	31
PID 1968 wrote to memory of 676	1968	4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe	31

C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
"C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
  "C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1820
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    PID:1804
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1120
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    PID:676

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\bbc\bbc.exe

Filesize
977KB

MD5
f000ca9522aafa0c54b863528228a43b

SHA1
c636e88b9e8079ba086f5cdb132fa39e747d0f23

SHA256
4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3

SHA512
ccbb478d676a3c6f1355ab30933196c5bf41b64b613e8efe661546c238700ce2aec340390af9069c303a43bc7c4f41400c418920041cf4967c6e02b272ef372d

Download Submit
memory/1968-54-0x0000000013140000-0x0000000013B93000-memory.dmp

Filesize
10.3MB

Download
memory/1968-56-0x0000000013140000-0x0000000013B93000-memory.dmp

Filesize
10.3MB

Download
memory/1968-59-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1968-60-0x0000000013140000-0x0000000013B93000-memory.dmp

Filesize
10.3MB

Download
memory/1968-61-0x0000000013140000-0x0000000013B93000-memory.dmp

Filesize
10.3MB

Download
memory/1968-62-0x0000000013140000-0x0000000013B93000-memory.dmp

Filesize
10.3MB

Download

Analysis

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