bf9a2148b995cfbde7a50577a8ef4748a96a73f9ad01d902cfe6c38157c0a840

General

Target
2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
Size 405KB
Sample261002-hefa4atale
SHA256 bf9a2148b995cfbde7a50577a8ef4748a96a73f9ad01d902cfe6c38157c0a840
MD5 a829a7961794203e3e6213864b8f435b
SHA1 074e2b73bc2c1df47481620b4ff8dc3748bfd386
SHA512 15674fbac9290c2acdb76f7e929f06d74e878fb31f71acd5a6c872b0f0a00c14899ebd3107636e1231c349727e248036967adcd645c7bb14f554b9ee5b8e8b7e
SSDEEP 12288:GaoVql+84Y0ImGUcsvZZdubv7u2l35iuWX/:GDVqlzYxGBcslpiuWX/
TLSH
T1BC947B1136D08EB2E5AF043049B19A719A7BFD301F219BCB63947F593E306C19A3A767
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3312	armsvc32.exe
3448	eventviewer.exe

Loads dropped DLL 14 IoCs

pid	Process
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\eventviewer.exe	2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
File created	C:\Windows\SysWOW64\syslog.exe	2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	eventviewer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	eventviewer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	armsvc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eventviewer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe
3448	eventviewer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 3312	4120	2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe	88
PID 4120 wrote to memory of 3448	4120	2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe"
1⤵
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\armsvc32.exe
  "armsvc32.exe "
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3312
- C:\Windows\SysWOW64\eventviewer.exe
  "C:\Windows\system32\eventviewer.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3448

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe

Path C:\Users\Admin\AppData\Local\Temp\2026-10-01_a829a7961794203e3e6213864b8f435b_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
Size 405KB
SHA256 bf9a2148b995cfbde7a50577a8ef4748a96a73f9ad01d902cfe6c38157c0a840
MD5 a829a7961794203e3e6213864b8f435b
SHA1 074e2b73bc2c1df47481620b4ff8dc3748bfd386
SHA512 15674fbac9290c2acdb76f7e929f06d74e878fb31f71acd5a6c872b0f0a00c14899ebd3107636e1231c349727e248036967adcd645c7bb14f554b9ee5b8e8b7e
SSDEEP 12288:GaoVql+84Y0ImGUcsvZZdubv7u2l35iuWX/:GDVqlzYxGBcslpiuWX/
TLSH
T1BC947B1136D08EB2E5AF043049B19A719A7BFD301F219BCB63947F593E306C19A3A767
MD5 SHA1 SHA512 SSDEEP TLSH

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armsvc32.exe

Path C:\Users\Admin\AppData\Local\Temp\armsvc32.exe
Size 168KB
SHA256 6af57a7da31749715ba29b3b55a2f4acdd53a72b4f179398d2bca80a6c4f4841
MD5 0b6178b0febd39f9abf211b13dcba2d4
SHA1 fd868c3e3cb3d54d8e7286519a3a217caed424d0
SHA512 c299290115abe25ad1238b9cf7928dbf3665e4f6b71d8585549df276e7961532887eeb62c831cd6d179d0e031ca40057c28780eed29b23c8e1437e37a98bacdb
SSDEEP 3072:heC76JNKjzDImGnUI/9FXK4+PoSZSb5qURwubvvnzdl1C7blxA2Z4l361xM:hROJyDImGUcsvZZvUmubv7ubHAZl3H
TLSH
T151047C2132C084B3D9B3193059B4DA716A7EFE301F708ADF6394176A5E702D29E39B67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmpCCC7.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpCCC7.tmp
Size 152KB
SHA256 a8d1a293e16b2554345f76fbc511ee896204b0ba7ce590e4aea4be950fd2d55b
MD5 0623ac4453e11dacb7e27664a825804e
SHA1 8119784541ac11c8c6f236e95da1ffd2e8e8b49d
SHA512 581e7f2fbc81f4c74c9c09cc2650385a30d1d78636c128bc3fbd193cb9f69d8a39d05f96a52117c2791739a295566ed8dbf962494434b8c0dc9a4597ed29566f
SSDEEP 3072:ul5DVnMvbOU6VAYD6eS91So1jaAMPdnj+CB5XIYNQp:ujuDOhVLA0dnj+CPXIYw
TLSH
T1EBE3481136D1CFB5E1AF44318DA25AA44BBBFC325D7297DB53903E0D3E319418A2A7A3
MD5 SHA1 SHA512 SSDEEP TLSH

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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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syslog.exe

Path C:\Windows\SysWOW64\syslog.exe
Size 148KB
SHA256 78b24eecad5149f76fa62fa97cd271eb5bc40fd96d733f9c7f66ce260600b2c2
MD5 8456b26d08f4affd22db1e379de58be1
SHA1 8f6e6e89bc53a86f07542c4c2ccfff39fdfff803
SHA512 a6e1a46d7fd604ecc0512e689e6ec86d42f9d62695a9d193f77a23e1f5b90fa79ddd114231de3ef06ff5caa0b383e0c30b30ecd48b1fadd14815350081d049bb
SSDEEP 3072:Gl5DVnMvbOU6VAYD6eS91So1ja6Pdnj+CB5XIYnQB:GjuDOhVLOdnj+CPXIYy
TLSH
T1CCE3491232D1CFB9E1AF45318DA29AB546B7FC319D3297CB13907E4D3E359418A2A363
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3448-52-0x00000000008E0000-0x000000000090C000-memory.dmp

Download

memory/3448-98-0x0000000002400000-0x000000000242C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads