chaos | 11e9ca6ae7a3b1c85bfe6bae292cb60bdff4c67c0245bbf0a54cd90832ce3a05

Analysis

max time kernel
65s
max time network
26s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-02-2025 01:35

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General

Target

Trojan.Ransom.N3OR4NS0M.zip
Size

55KB
MD5

9a17e2a345dec5c2059ba68e8e2f3f7e
SHA1

885f1ec279ec3c9d368d7fc725784be16940896e
SHA256

11e9ca6ae7a3b1c85bfe6bae292cb60bdff4c67c0245bbf0a54cd90832ce3a05
SHA512

982c5a1437630fe6a09aa05cec89b87dca5f721677cafb280e8be0e4eb473e1fffc7e1d933605e22d4ce37fca42a65ca26cc55d1004ee8e5f2819d2124519b31
SSDEEP

1536:+6UyC7Q1Q8gsbFXq//7vBTH0AE1vQzXUCH:+yC7McPbBjW+tH

Score

10^/10

chaos hawkeye defense_evasion execution impact keylogger ransomware spyware stealer trojan

Malware Config

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/files/0x0007000000019394-2.dat	family_chaos
behavioral1/memory/2156-5-0x0000000000250000-0x0000000000272000-memory.dmp	family_chaos
behavioral1/memory/580-11-0x0000000000D10000-0x0000000000D32000-memory.dmp	family_chaos

Chaos family
chaos
HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
keylogger trojan stealer spyware hawkeye
Hawkeye family
hawkeye
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Renames multiple (238) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windowsupdate.url	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	windowsupdate.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FUCKED.txt	windowsupdate.exe

Executes dropped EXE 2 IoCs

pid	Process
2156	N3OR4NS0M.exe
580	windowsupdate.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 34 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	windowsupdate.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	windowsupdate.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	windowsupdate.exe

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

System Information Discovery
T1082

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2144	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2156	N3OR4NS0M.exe
2156	N3OR4NS0M.exe
2156	N3OR4NS0M.exe
2156	N3OR4NS0M.exe
2156	N3OR4NS0M.exe
580	windowsupdate.exe
580	windowsupdate.exe
580	windowsupdate.exe
580	windowsupdate.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeRestorePrivilege	2876	7zG.exe
Token: 35	2876	7zG.exe
Token: SeSecurityPrivilege	2876	7zG.exe
Token: SeSecurityPrivilege	2876	7zG.exe
Token: 33	2664	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2664	AUDIODG.EXE
Token: 33	2664	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2664	AUDIODG.EXE
Token: SeDebugPrivilege	2156	N3OR4NS0M.exe
Token: SeDebugPrivilege	580	windowsupdate.exe
Token: SeBackupPrivilege	548	vssvc.exe
Token: SeRestorePrivilege	548	vssvc.exe
Token: SeAuditPrivilege	548	vssvc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2876	7zG.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 580	2156	N3OR4NS0M.exe	34
PID 2156 wrote to memory of 580	2156	N3OR4NS0M.exe	34
PID 2156 wrote to memory of 580	2156	N3OR4NS0M.exe	34
PID 580 wrote to memory of 108	580	windowsupdate.exe	36
PID 580 wrote to memory of 108	580	windowsupdate.exe	36
PID 580 wrote to memory of 108	580	windowsupdate.exe	36
PID 108 wrote to memory of 2144	108	cmd.exe	38
PID 108 wrote to memory of 2144	108	cmd.exe	38
PID 108 wrote to memory of 2144	108	cmd.exe	38

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.N3OR4NS0M.zip
1⤵
PID:1704

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.N3OR4NS0M\" -spe -an -ai#7zMap23733:126:7zEvent25037
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2876

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x488
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2664

C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.N3OR4NS0M\N3OR4NS0M.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.N3OR4NS0M\N3OR4NS0M.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Roaming\windowsupdate.exe
  "C:\Users\Admin\AppData\Roaming\windowsupdate.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:580
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:108
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:2144

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.N3OR4NS0M\N3OR4NS0M.exe

Filesize
117KB

MD5
0772d9df47836609fbfdd95ce144b683

SHA1
2cfe3bebd9c1eda6f8478dd6f8271b42ddcba7c6

SHA256
25fba19a79ca6ef0c1f8b092c8f6e0cb4ac91239089b2764f73bf59c29a544ef

SHA512
86631a262c35324091fdbbffc5499b60b69d37b41496bd8b52fe85355c97ca07f6005e02eef4244622b4dd7659c9effa560e5ca3afb4f0f98ed2d3af6b062b86

Download Submit
C:\Users\Admin\Documents\FUCKED.txt

Filesize
185B

MD5
1fe92582c3080f8677f0b72c7d011d88

SHA1
f3fad646a2a205dd5646014e3e86e0eff25aedb0

SHA256
3fafb5fad577d0436f3f59ead7b124fc6ab80512fb7e9e88960ce6f384fb1312

SHA512
3d5d5be6e3ad4bef75cf532782bd1c616642a2bda1241c4eb310309e73a2109a0215188819e00e1fe7d7fa0141781b22d5a124e96f11aa75104bbad637d2f6d9

Download Submit
memory/580-11-0x0000000000D10000-0x0000000000D32000-memory.dmp

Filesize
136KB

Download
memory/2156-4-0x000007FEF5133000-0x000007FEF5134000-memory.dmp

Filesize
4KB

Download
memory/2156-5-0x0000000000250000-0x0000000000272000-memory.dmp

Filesize
136KB

Download