e98e20e7f6ca6411a6da4193276bd5e1a58602f761f2d3b33281e88dd411d9c7

General

Target
nuijoat_Signed_fm.bin.exe
Size 990KB
Sample200720-pcqe8lfe32
SHA256 e98e20e7f6ca6411a6da4193276bd5e1a58602f761f2d3b33281e88dd411d9c7
MD5 be9c2487401730779af8fef4ab77072b
SHA1 a178a051899a8f05ca36f8b5b3bc9a7fa17a6ff5
SHA512 2ce57c5b1214c448f61c408ffabb1da6a5a98e4985cd7e3d1ba763d6954c375ff618e645d0177932d4cf8c4454eb78fdbcc27991bbac51c1fea89928e099cc8e
MD5 SHA1 SHA512

Score

7^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 828 set thread context of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 1232 set thread context of 1296	1232	ieinstal.exe	20
PID 1232 set thread context of 1296	1232	ieinstal.exe	20
PID 1840 set thread context of 1296	1840	help.exe	20

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1232	ieinstal.exe
1232	ieinstal.exe
1232	ieinstal.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1232	ieinstal.exe
Token: SeDebugPrivilege	1840	help.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1232	ieinstal.exe
1232	ieinstal.exe
1232	ieinstal.exe
1232	ieinstal.exe
1840	help.exe
1840	help.exe
1840	help.exe
1840	help.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-910373003-3952921535-3480519689-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 828 wrote to memory of 1232	828	nuijoat_Signed_fm.bin.exe	26
PID 1296 wrote to memory of 1840	1296	Explorer.EXE	27
PID 1296 wrote to memory of 1840	1296	Explorer.EXE	27
PID 1296 wrote to memory of 1840	1296	Explorer.EXE	27
PID 1296 wrote to memory of 1840	1296	Explorer.EXE	27
PID 1840 wrote to memory of 1456	1840	help.exe	29
PID 1840 wrote to memory of 1456	1840	help.exe	29
PID 1840 wrote to memory of 1456	1840	help.exe	29
PID 1840 wrote to memory of 1456	1840	help.exe	29
PID 1840 wrote to memory of 1456	1840	help.exe	29

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\fmrd = "C:\\Users\\Admin\\AppData\\Local\\fmrd\\fmrd.hta"	nuijoat_Signed_fm.bin.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
PID:1296
- C:\Users\Admin\AppData\Local\Temp\nuijoat_Signed_fm.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\nuijoat_Signed_fm.bin.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  - Adds Run key to start application
  PID:828
- - C:\Program Files (x86)\internet explorer\ieinstal.exe
    "C:\Program Files (x86)\internet explorer\ieinstal.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: MapViewOfSection
    PID:1232
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: MapViewOfSection
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1232-0-0x0000000000530000-0x0000000000560000-memory.dmp

Download

memory/1232-2-0x0000000000530000-0x0000000000560000-memory.dmp

Download

memory/1296-3-0x00000000068B0000-0x0000000006A52000-memory.dmp

Download

memory/1456-9-0x000000013F530000-0x000000013F5C3000-memory.dmp

Download

memory/1840-7-0x0000000003A20000-0x0000000003B2B000-memory.dmp

Download

memory/1840-6-0x0000000003120000-0x000000000321D000-memory.dmp

Download

memory/1840-5-0x0000000000B20000-0x0000000000B26000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads