numando | 5d8824b573741be1ce36f973a06230b5a77c25e5488219526c475ff43d646cfb

Analysis

max time kernel
102s
max time network
106s
platform
windows11-21h2_x64
resource
win11-20250610-en
resource tags

arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
submitted
05/07/2025, 04:15

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General

Target
JaffaCakes118_1ce590d9a12eb8af33f17ed9b5e2df3f.dll
Size 7.1MB
Sample250705-evesqasxgz
SHA256 5d8824b573741be1ce36f973a06230b5a77c25e5488219526c475ff43d646cfb
MD5 1ce590d9a12eb8af33f17ed9b5e2df3f
SHA1 607cf034217c87677794d31dee7db299619a4adf
SHA512 3d4ab8c014e2ad92f6988fbbc65ffd2716f507b908432545d9c0a19c044b9fca5dcf01569fb9d736777f04a2b862e21e58979457b2321ed0a93139bc68a3503d
SSDEEP 196608:I3iBy1JaBVJg8j+eMnv/XATvGun0/6ShhRfZMLbolj5k3JCmPwY3wIsY3RuBaqlo:IyB+Mwgbx0/6SNNbmJCmPt74ae
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

numando backdoor discovery trojan upx

Malware Config

Signatures

Detect Numando payload 1 IoCs

resource	yara_rule
behavioral2/memory/5384-1-0x00000000025E0000-0x0000000002F9F000-memory.dmp	family_numando

Numando
Numando is a banking trojan/backdoor targeting Latin America which uses Youtube and Pastebin for C2 communications.
trojan backdoor numando
Numando family
numando

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5384-0-0x00000000025E0000-0x0000000002F9F000-memory.dmp	upx
behavioral2/memory/5384-1-0x00000000025E0000-0x0000000002F9F000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3176	5384	WerFault.exe	80

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 5384	1064	rundll32.exe	80
PID 1064 wrote to memory of 5384	1064	rundll32.exe	80
PID 1064 wrote to memory of 5384	1064	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ce590d9a12eb8af33f17ed9b5e2df3f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ce590d9a12eb8af33f17ed9b5e2df3f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5384 -s 636
    3⤵
    - Program crash
    PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5384 -ip 5384
1⤵
PID:2364

Network

MITRE ATT&CK Enterprise v16

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

memory/5384-0-0x00000000025E0000-0x0000000002F9F000-memory.dmp

Download

memory/5384-1-0x00000000025E0000-0x0000000002F9F000-memory.dmp