08ef57c2361f3b8b7d26b38594ecf8fe0694a1d5ba33fa4ddebdca9473ecbdec

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
24/04/2026, 10:16

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General

Target
2026-04-24_660ff73b33f41e5f3be9c559ce549e06_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
Size 416KB
Sample260424-mawvhaey21
SHA256 08ef57c2361f3b8b7d26b38594ecf8fe0694a1d5ba33fa4ddebdca9473ecbdec
MD5 660ff73b33f41e5f3be9c559ce549e06
SHA1 46c1091ea5c5481d040a5ff446e2906fa4d4c311
SHA512 524e9e1deeb47eee3469fb29c7d2113aafa9bcee57752b0699dd0ffd129455e22fa84ca564d3673e0afb5342021a9d86613ce851432222ccd9345e3f3a5b7dd2
SSDEEP 6144:GjuDOhVLS5nj+CPXIYj37KoNX1KcwVz4B8xiuW1FXEk:GaoVmp+84YinVBxiuWXp
TLSH
T14C945B2635E81EB2D1EFC1748AE18A76A33BFC705D204FC753416E0D7D369819D62A2B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
796	eventviewer.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\syslog.exe	2026-04-24_660ff73b33f41e5f3be9c559ce549e06_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
File created	C:\Windows\SysWOW64\eventviewer.exe	2026-04-24_660ff73b33f41e5f3be9c559ce549e06_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3852	796	WerFault.exe	80

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	2026-04-24_660ff73b33f41e5f3be9c559ce549e06_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eventviewer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
796	eventviewer.exe
796	eventviewer.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 796	1916	2026-04-24_660ff73b33f41e5f3be9c559ce549e06_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-04-24_660ff73b33f41e5f3be9c559ce549e06_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-24_660ff73b33f41e5f3be9c559ce549e06_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\eventviewer.exe
  "C:\Windows\system32\eventviewer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 1536
    3⤵
    - Program crash
    PID:3852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 796 -ip 796
1⤵
PID:3348

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

eventviewer.exe

Path C:\Windows\SysWOW64\eventviewer.exe
Size 88KB
SHA256 3baf58e8eb6f1dee7da7df83cb38925e69ffe130a02f667380cbee69aea17b15
MD5 188a727732ea436cedbfa4f016e7bbdf
SHA1 bf0ba32262cc4abb23e5c61ad6c750188558c8d1
SHA512 7139f3967289b66bb27bbd2b669ebe53197d3a825a21b8614e5352d426f3a74ba88d8618b869bb19d6c8a51780e636042c9a379f8d797d552cb316be1570e26b
SSDEEP 768:6hKzpWe7ofYFf0vX2Y9MMcz/pK3mriMYH/K0o+0pdE+7c/vm9Oacl1iB90/Va0DN:j1W9YV0OZMIljwiJ7c/EOaclRkQUQoR
TLSH
T11193AF2A39E044B2D688407151F56F39D33FE5741B11A6C3EB78EF682D21AA0D53B78B
MD5 SHA1 SHA512 SSDEEP TLSH

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