blackmoon | e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 06:34

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General

Target

e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe
Size

2.1MB
MD5

a2df606598320e14f6e722ff23b9dfb0
SHA1

3bd628a57b717a78148cce337b4b2edcd693598c
SHA256

e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3
SHA512

bf243d8c0246c7c928e645a02e5f94c075ec41599d4b8100ea45d8cc420268cb4d84b15f82a030719f064a01a594457e9e7a5d3558e59da5bcfcca800efc812b
SSDEEP

24576:3qzIIUgC8d36kLBXlnB8j7v5Ta+hLLQ20JmXSeWwa1oWJQjk0svTS/PPsbb1hwR/:3sCOfN6X5tLLQTg20ITS/PPs/1k/

Score

10^/10

blackmoon njrat banker discovery trojan upx

Malware Config

Signatures

Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/744-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/files/0x000d000000023af9-3.dat	family_blackmoon
behavioral2/memory/2968-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/memory/744-5-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

Processes:

thbtnt.exe

pid	Process
2968	thbtnt.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/744-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x000d000000023af9-3.dat	upx
behavioral2/memory/2968-4-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/744-5-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3528	2968	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exethbtnt.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	thbtnt.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe

description	pid	Process	procid_target
PID 744 wrote to memory of 2968	744	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe	85
PID 744 wrote to memory of 2968	744	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe	85
PID 744 wrote to memory of 2968	744	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe	85

C:\Users\Admin\AppData\Local\Temp\e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe
"C:\Users\Admin\AppData\Local\Temp\e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:744
- \??\c:\thbtnt.exe
  c:\thbtnt.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 224
    3⤵
    - Program crash
    PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
1⤵
PID:4992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\thbtnt.exe

Filesize
2.1MB

MD5
22999cab3e2fd6af05017bd8be9332ad

SHA1
99abbc7ed9d1675414056a136308b6dc362b8b08

SHA256
668a8297932fbf8774911ab5d329db97c08f4db2fcda770922d65cf5aa0bbb89

SHA512
e13cf45bd22dbe43ca489d0e7c276119a97c7e4b64e22de66c2a92d01acbbd9c95d5ad7d19acbaa8f727a878352522aeec93889630c978dbcca55b7a4d5fe1ec

Download Submit
memory/744-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/744-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2968-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download