bandook | 58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799

General

Target

58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
Size

1.3MB
MD5

d72b647dc6b8a1b387378c17186211ec
SHA1

fcf01b9e1bad3ca57415c372292b8471364efff8
SHA256

58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799
SHA512

c3ce2b0718ebe1e9244d5b47893e606baf200962e6029baf5611d0b614af519b23648121e7e4791ab510eadf0ce28f9b648ca0edfd342b08f62c8620efe87f68
SSDEEP

24576:Turz3eitBo/0uKoGSLs7bClwAIpxh8IXHjRHMULNTIX7V:Tk7xK/0yw7rjRZxIXB

Score

10^/10

bandook persistence rat trojan upx

Malware Config

Extracted

Family

bandook

C2

ezeigbo.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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/696-61-0x0000000013140000-0x0000000013B91000-memory.dmp	family_bandook
behavioral1/memory/696-62-0x0000000013140000-0x0000000013B91000-memory.dmp	family_bandook
behavioral1/memory/696-63-0x0000000013140000-0x0000000013B91000-memory.dmp	family_bandook

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/696-56-0x0000000013140000-0x0000000013B91000-memory.dmp	upx
behavioral1/memory/696-60-0x0000000013140000-0x0000000013B91000-memory.dmp	upx
behavioral1/memory/696-61-0x0000000013140000-0x0000000013B91000-memory.dmp	upx
behavioral1/memory/696-62-0x0000000013140000-0x0000000013B91000-memory.dmp	upx
behavioral1/memory/696-63-0x0000000013140000-0x0000000013B91000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\obm = "C:\\Users\\Admin\\AppData\\Local\\obm\\obm.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\obm = "C:\\Users\\Admin\\AppData\\Local\\obm\\obm.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe

description	pid	process	target process
PID 1672 set thread context of 696	1672	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe

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

Processes:

58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe

description	pid	process	target process
PID 1672 wrote to memory of 696	1672	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
PID 1672 wrote to memory of 696	1672	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
PID 1672 wrote to memory of 696	1672	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
PID 1672 wrote to memory of 696	1672	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
PID 1672 wrote to memory of 696	1672	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
PID 1672 wrote to memory of 696	1672	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
PID 696 wrote to memory of 1500	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1500	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1500	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1500	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1500	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1324	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1324	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1324	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1324	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1324	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1636	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1636	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1636	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1636	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 1636	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 880	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 880	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 880	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 880	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe
PID 696 wrote to memory of 880	696	58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
"C:\Users\Admin\AppData\Local\Temp\58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe
  "C:\Users\Admin\AppData\Local\Temp\58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:696
- - 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:1324
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1636
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    PID:880

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

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Downloads

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

Filesize
1.3MB

MD5
d72b647dc6b8a1b387378c17186211ec

SHA1
fcf01b9e1bad3ca57415c372292b8471364efff8

SHA256
58f66b4b4353b69aa0b43f778d88c0d12fa95e048f00a28d5c0d26f1cdc9e799

SHA512
c3ce2b0718ebe1e9244d5b47893e606baf200962e6029baf5611d0b614af519b23648121e7e4791ab510eadf0ce28f9b648ca0edfd342b08f62c8620efe87f68

Download Submit
memory/696-54-0x0000000013140000-0x0000000013B91000-memory.dmp

Filesize
10.3MB

Download
memory/696-56-0x0000000013140000-0x0000000013B91000-memory.dmp

Filesize
10.3MB

Download
memory/696-57-0x0000000013B8FA80-mapping.dmp

Download
memory/696-59-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/696-60-0x0000000013140000-0x0000000013B91000-memory.dmp

Filesize
10.3MB

Download
memory/696-61-0x0000000013140000-0x0000000013B91000-memory.dmp

Filesize
10.3MB

Download
memory/696-62-0x0000000013140000-0x0000000013B91000-memory.dmp

Filesize
10.3MB

Download
memory/696-63-0x0000000013140000-0x0000000013B91000-memory.dmp

Filesize
10.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads