2d246bceb24b48c2cc95d62ff43da0a016ec4cfeb5d6790c964c205eb91f6553

Analysis

max time kernel
11s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 02:05

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General

Target

4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe
Size

73KB
MD5

4cf6edbf7465af5b11df3f4d849105c0
SHA1

f6ef4ab33d74c880f0858300539cc7e9dcf1c213
SHA256

2d246bceb24b48c2cc95d62ff43da0a016ec4cfeb5d6790c964c205eb91f6553
SHA512

5d7de59e988bbdd40f786f9510ecf378187d2c8017b81230410545b5f6ccf6f64d2ff49ba6aa0070f4b26d27073486cda515d1a4f58b11ae2187ff38ea5d6189
SSDEEP

1536:rxG0+a0V7JCaTYnSGM0/O5G/NUJOWVflEO:rlIV7JCaMnSr6O5qW5Vflv

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 10 IoCs

pid	Process
2912	MSWDM.EXE
1380	MSWDM.EXE
2484	4CF6EDBF7465AF5B11DF3F4D849105C0_NEAS.EXE
1192	Process not Found
2500	MSWDM.EXE
2912	MSWDM.EXE
1380	MSWDM.EXE
2484	4CF6EDBF7465AF5B11DF3F4D849105C0_NEAS.EXE
1192	Process not Found
2500	MSWDM.EXE

Loads dropped DLL 4 IoCs

pid	Process
2912	MSWDM.EXE
2620	Process not Found
2912	MSWDM.EXE
2620	Process not Found

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2188-11-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/1380-20-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2912-19-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2912-30-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2500-27-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/1380-31-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2188-11-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/1380-20-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2912-19-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2912-30-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2500-27-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/1380-31-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\dev2B26.tmp	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe
File created	C:\WINDOWS\MSWDM.EXE	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2912	MSWDM.EXE
2912	MSWDM.EXE

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 1380	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	28
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2188 wrote to memory of 2912	2188	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	29
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2484	2912	MSWDM.EXE	30
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32
PID 2912 wrote to memory of 2500	2912	MSWDM.EXE	32

C:\Users\Admin\AppData\Local\Temp\4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2188
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1380
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev2B26.tmp!C:\Users\Admin\AppData\Local\Temp\4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe! !
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Users\Admin\AppData\Local\Temp\4CF6EDBF7465AF5B11DF3F4D849105C0_NEAS.EXE
    3⤵
    - Executes dropped EXE
    PID:2484
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev2B26.tmp!C:\Users\Admin\AppData\Local\Temp\4CF6EDBF7465AF5B11DF3F4D849105C0_NEAS.EXE!
    3⤵
    - Executes dropped EXE
    PID:2500

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\WINDOWS\MSWDM.EXE

Filesize
39KB

MD5
808db81803d4419434e881bb42d2c096

SHA1
44cbbac69c5dbfedb6f2853d12baeb2e750840fb

SHA256
85472524ca67962db894afb21001c14722734178410d675d4f76fcccb2958253

SHA512
00b44fe56d0f07dac49b8f1586a3e3f7be36b553e9cec6af2ea2ad0f07616d6e21d3c5f794b137d8b16cb2b18be388531db023b237c7fc75ea0d3d8db77495db

Download Submit
C:\Windows\dev2B26.tmp

Filesize
34KB

MD5
83883e2f33b94d2d3194058713b10cc0

SHA1
d1ace2eaf9a17fcaeba570e52872569ccc1778b8

SHA256
6b36425c11169bb38728bf5124bd8f816f9b5cd7694389de9c05da82d7e58250

SHA512
6ab03f645625fb8389b85e2194740b25f700c0256e86067571afd7bdabd555d26e7ea36b73a189a7fad0a7fe43d5e117a362974641f390da52814accbf3e7892

Download Submit
memory/1380-20-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1380-20-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1380-31-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1380-31-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2188-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2188-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2500-27-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2500-27-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2912-19-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2912-19-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2912-30-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2912-23-0x0000000000260000-0x0000000000278000-memory.dmp

Filesize
96KB

Download
memory/2912-23-0x0000000000260000-0x0000000000278000-memory.dmp

Filesize
96KB

Download
memory/2912-30-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download