3a0106d212c4598f3a9d3f2a5681136d83bbcc6b8deb00df68156a807bd0dfc5

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 14:17

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General

Target

NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
Size

486KB
MD5

c52045319e0aebc9c2455e31bb1210a0
SHA1

6d6ec2cceab64d9a7eb6f1f45c10e2b1fefd1910
SHA256

3a0106d212c4598f3a9d3f2a5681136d83bbcc6b8deb00df68156a807bd0dfc5
SHA512

60d62b24bd29e2e28ca955fc060ae0080c132a3746927c3a69f17cff36c69be3f09558c745ff4f290273c072b26bdcecfb8b4fcfd503e973ef559cc43ee45296
SSDEEP

12288:S1bKd6kxW8DSacCB+Zy5ZMSA3R0NnvqC5kZWp+YjE:S1bKxW8eaN8SBnvqC551Y

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sIRC4.exe"	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe

Drops file in System32 directory 21 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\DC++ Share\IntegratedOffice.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\BlockShow.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.c52045319e0aebc9c2455e31bb1210a0.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.c52045319e0aebc9c2455e31bb1210a0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.c52045319e0aebc9c2455e31bb1210a0.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\xdccPrograms\7zFM.exe

Filesize
847KB

MD5
6982dde2c770725894422ed94e2e4715

SHA1
611d08c26fa6986e260c457846141804a6ae2bf8

SHA256
6da82bbdfcce7ca644415fc16d9f773967cc1e2504e45eb8adb03203335b0479

SHA512
d4f39e7e67293a881eef76be47452f12fb26b2f45219d1559cc36b500454f1493ede7fbc6982de74bbef5e0d3b33f6a530d6067e2774158295b7154ead1541e2

Download Submit
memory/2940-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-24-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-27-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-28-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-29-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-30-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-31-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-34-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2940-35-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads