blackmoon | 5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fb

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 01:26

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General

Target

5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe
Size

3.8MB
MD5

402e0377e52fe6aad63ae265f23eba50
SHA1

3dc39f443d98cd151ec24d25721d4dda8d538a1c
SHA256

5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fb
SHA512

d5917af9d3218d4911f9d4cf538680ba9f3d79969af9731f8dd3df88f2943b085f3f8de660fd61812b0aee91d8c5fdd63ac8cb15cad79e66b219d00818084088
SSDEEP

49152:3sCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98a:Q6XLq/qPPslzKx/dJg1ErmNH

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

resource	yara_rule
behavioral1/memory/3056-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x0007000000012116-7.dat	family_blackmoon
behavioral1/memory/2972-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/3056-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
2972	nnnttb.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3056-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x0007000000012116-7.dat	upx
behavioral1/memory/2972-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/3056-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1748	2972	WerFault.exe	30

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nnnttb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2972	3056	5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe	30
PID 3056 wrote to memory of 2972	3056	5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe	30
PID 3056 wrote to memory of 2972	3056	5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe	30
PID 3056 wrote to memory of 2972	3056	5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe	30
PID 2972 wrote to memory of 1748	2972	nnnttb.exe	31
PID 2972 wrote to memory of 1748	2972	nnnttb.exe	31
PID 2972 wrote to memory of 1748	2972	nnnttb.exe	31
PID 2972 wrote to memory of 1748	2972	nnnttb.exe	31

C:\Users\Admin\AppData\Local\Temp\5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe
"C:\Users\Admin\AppData\Local\Temp\5e2960679917c00e4a4803ca5dea67b21ce5be7701331ffe10cfd27e384a72fbN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- \??\c:\nnnttb.exe
  c:\nnnttb.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 36
    3⤵
    - Program crash
    PID:1748

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

Replay Monitor

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Downloads

C:\nnnttb.exe

Filesize
3.8MB

MD5
d61fbce88ab9f6cb2d9964d305b30aab

SHA1
57a651349923053f7930f31cf0d5d05c9f599e95

SHA256
f6052b4a33f6a149c7ad17c94ee26983aa9c14212cdbf13a704b48ebb0325b35

SHA512
dc9a371fa2511e083d21fc406ab039f0cec93af87e3b46e37ad73d6f0ab6a7ab91e9e4d739a4ed898d8bd88c578ece2aef7dd96d95ac50d48191fb4be0a8f1b1

Download Submit
memory/2972-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3056-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3056-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download