9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824

General

Target

9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
Size

123KB
MD5

b39940061d2447f0a540529663d47fee
SHA1

3001629764db29162603afc950e5d047abaf7ebc
SHA256

9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824
SHA512

edff241233bd07b560329131ededb54bc41244e5b69fdfe83068901a8b3ff9296b90f5fbc4c46dcec7551908af6ba1828f2bfe13f5e1d8dd8598de846b45e97d
SSDEEP

3072:mK6xkMtbYAaH2EOCLb0An/VtdcOJrclgTjJ:jeztbYACECdLSKjJ

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nerirv = "C:\\Users\\Admin\\AppData\\Roaming\\Nerirv.cmd"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C2C16DA5-77DF-11ED-B5DD-DA2886E4F8F0} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
Token: SeDebugPrivilege	4856	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2256	IEXPLORE.EXE
2256	IEXPLORE.EXE
1016	IEXPLORE.EXE
1016	IEXPLORE.EXE
1016	IEXPLORE.EXE
1016	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 4856	4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe	81
PID 4440 wrote to memory of 4856	4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe	81
PID 4440 wrote to memory of 4856	4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe	81
PID 4440 wrote to memory of 4856	4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe	81
PID 4440 wrote to memory of 4856	4440	9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe	81
PID 4856 wrote to memory of 2256	4856	iexplore.exe	82
PID 4856 wrote to memory of 2256	4856	iexplore.exe	82
PID 4856 wrote to memory of 2256	4856	iexplore.exe	82
PID 2256 wrote to memory of 1016	2256	IEXPLORE.EXE	83
PID 2256 wrote to memory of 1016	2256	IEXPLORE.EXE	83
PID 2256 wrote to memory of 1016	2256	IEXPLORE.EXE	83

C:\Users\Admin\AppData\Local\Temp\9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
"C:\Users\Admin\AppData\Local\Temp\9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2256
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2256 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1016

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4440-132-0x00000000021D0000-0x000000000221E000-memory.dmp

Filesize
312KB

Download
memory/4440-133-0x00000000021D0000-0x000000000221E000-memory.dmp

Filesize
312KB

Download
memory/4440-134-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4440-135-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4440-136-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads