nitro | c7dbba0767778f294d28e364de2a833d10e2b6b0a0b8477b10a5efe6436d349e

Analysis

max time kernel
150s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17-03-2024 14:49

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General

Target

d126b33d48f9e5da43cc648a8ca7f392.exe
Size

61KB
MD5

d126b33d48f9e5da43cc648a8ca7f392
SHA1

9755ca804a0fc3c1ebd05b8c5c53936c5f3aa915
SHA256

c7dbba0767778f294d28e364de2a833d10e2b6b0a0b8477b10a5efe6436d349e
SHA512

6dafd7466fbcfa9a3c7d88058741594685efd37da795578b2fc704ffb5719fa6a652d02509059d191c60dd52e697684748f9ddcd37e88d17db9dff4250523afc
SSDEEP

768:NHc/dFw/P9UMW4IE3t8CVLDwUzc80gmq3oP/oDS:NQdFwPxIEC0r/0O8/oO

Score

10^/10

nitro persistence ransomware spyware stealer

Malware Config

Signatures

Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
ransomware nitro
Reads user/profile data of web browsers 2 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\d126b33d48f9e5da43cc648a8ca7f392.exe\""	d126b33d48f9e5da43cc648a8ca7f392.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1904519900-954640453-4250331663-1000\desktop.ini	d126b33d48f9e5da43cc648a8ca7f392.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service

T1102

flow	ioc
32	discord.com
36	discord.com
42	discord.com
23	discord.com
24	discord.com
28	discord.com

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	api.ipify.org
17	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	d126b33d48f9e5da43cc648a8ca7f392.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4480	3692	WerFault.exe	93
1512	3692	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3692	d126b33d48f9e5da43cc648a8ca7f392.exe
3692	d126b33d48f9e5da43cc648a8ca7f392.exe
3692	d126b33d48f9e5da43cc648a8ca7f392.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	3692	d126b33d48f9e5da43cc648a8ca7f392.exe
Token: SeIncreaseQuotaPrivilege	2180	WMIC.exe
Token: SeSecurityPrivilege	2180	WMIC.exe
Token: SeTakeOwnershipPrivilege	2180	WMIC.exe
Token: SeLoadDriverPrivilege	2180	WMIC.exe
Token: SeSystemProfilePrivilege	2180	WMIC.exe
Token: SeSystemtimePrivilege	2180	WMIC.exe
Token: SeProfSingleProcessPrivilege	2180	WMIC.exe
Token: SeIncBasePriorityPrivilege	2180	WMIC.exe
Token: SeCreatePagefilePrivilege	2180	WMIC.exe
Token: SeBackupPrivilege	2180	WMIC.exe
Token: SeRestorePrivilege	2180	WMIC.exe
Token: SeShutdownPrivilege	2180	WMIC.exe
Token: SeDebugPrivilege	2180	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2180	WMIC.exe
Token: SeRemoteShutdownPrivilege	2180	WMIC.exe
Token: SeUndockPrivilege	2180	WMIC.exe
Token: SeManageVolumePrivilege	2180	WMIC.exe
Token: 33	2180	WMIC.exe
Token: 34	2180	WMIC.exe
Token: 35	2180	WMIC.exe
Token: 36	2180	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2180	WMIC.exe
Token: SeSecurityPrivilege	2180	WMIC.exe
Token: SeTakeOwnershipPrivilege	2180	WMIC.exe
Token: SeLoadDriverPrivilege	2180	WMIC.exe
Token: SeSystemProfilePrivilege	2180	WMIC.exe
Token: SeSystemtimePrivilege	2180	WMIC.exe
Token: SeProfSingleProcessPrivilege	2180	WMIC.exe
Token: SeIncBasePriorityPrivilege	2180	WMIC.exe
Token: SeCreatePagefilePrivilege	2180	WMIC.exe
Token: SeBackupPrivilege	2180	WMIC.exe
Token: SeRestorePrivilege	2180	WMIC.exe
Token: SeShutdownPrivilege	2180	WMIC.exe
Token: SeDebugPrivilege	2180	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2180	WMIC.exe
Token: SeRemoteShutdownPrivilege	2180	WMIC.exe
Token: SeUndockPrivilege	2180	WMIC.exe
Token: SeManageVolumePrivilege	2180	WMIC.exe
Token: 33	2180	WMIC.exe
Token: 34	2180	WMIC.exe
Token: 35	2180	WMIC.exe
Token: 36	2180	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 1720	3692	d126b33d48f9e5da43cc648a8ca7f392.exe	97
PID 3692 wrote to memory of 1720	3692	d126b33d48f9e5da43cc648a8ca7f392.exe	97
PID 3692 wrote to memory of 1720	3692	d126b33d48f9e5da43cc648a8ca7f392.exe	97
PID 1720 wrote to memory of 2180	1720	cmd.exe	99
PID 1720 wrote to memory of 2180	1720	cmd.exe	99
PID 1720 wrote to memory of 2180	1720	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\d126b33d48f9e5da43cc648a8ca7f392.exe
"C:\Users\Admin\AppData\Local\Temp\d126b33d48f9e5da43cc648a8ca7f392.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 2256
  2⤵
  - Program crash
  PID:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 2256
  2⤵
  - Program crash
  PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3692 -ip 3692
1⤵
PID:1720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3692 -ip 3692
1⤵
PID:1524

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4164 --field-trial-handle=2304,i,7548677271533893574,11048237606705436109,262144 --variations-seed-version /prefetch:8
1⤵
PID:636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/3692-0-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/3692-1-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/3692-2-0x00000000051A0000-0x0000000005744000-memory.dmp

Filesize
5.6MB

Download
memory/3692-3-0x0000000004CD0000-0x0000000004D62000-memory.dmp

Filesize
584KB

Download
memory/3692-4-0x0000000004F10000-0x0000000004F20000-memory.dmp

Filesize
64KB

Download
memory/3692-9-0x0000000005A10000-0x0000000005A1A000-memory.dmp

Filesize
40KB

Download
memory/3692-10-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download