erbium | b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61

Analysis

max time kernel
148s
max time network
130s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/10/2026, 07:53

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General

Target
jaffacakes118_b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61.exe
Size 877KB
Sample261016-jreqrsvs8k
SHA256 b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61
MD5 f6232c0525736f69b40a224caa8bb0fc
SHA1 a21a063b6322be972cb45b251a15b3711db550e9
SHA512 a867fc990766512424bdbc9219df643e8da5d9e14f941de313ca0c7353e8db37be4d99c7a827dcc57bba6db4e85f775851d8a1b386b130fdc0a9dd5360c566f5
SSDEEP 12288:jScTpyxGG/c2MEYzypR8eNbSj+0LlJFM1kjnYtMUfo28HcACk447OMoLt:jScM5NRE+Si1kjnMQzpV447ot
TLSH
T14E15CF03396BC16ACC56D2F058716EAF5E2DA909FD957FEA49045CCB8018AEB40C1FF9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery erbium stealer

Malware Config

Extracted

Family

erbium

77.73.133.53

Signatures

Family: Erbium
Erbium is an infostealer written in C++ and first seen in July 2022.
stealer erbium
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3872 set thread context of 2980	3872	jaffacakes118_b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61.exe	90

Program crash 2 IoCs

pid	pid_target	Process	procid_target
6080	2980	WerFault.exe	90
2392	2980	WerFault.exe	90

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	jaffacakes118_b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 2980	3872	jaffacakes118_b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61.exe	90
PID 3872 wrote to memory of 2980	3872	jaffacakes118_b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b6f3260ac03e273ba22284528dd806b9ffeb49faadd6dc87a4db66b10d272b61.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 1312
    3⤵
    - Program crash
    PID:6080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 1332
    3⤵
    - Program crash
    PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2980 -ip 2980
1⤵
PID:3104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2980 -ip 2980
1⤵
PID:1996

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

memory/2980-1-0x0000000000500000-0x00000000005CA000-memory.dmp

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memory/2980-7-0x0000000000500000-0x00000000005CA000-memory.dmp

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memory/3872-0-0x0000000000415000-0x0000000000416000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads