2d246bceb24b48c2cc95d62ff43da0a016ec4cfeb5d6790c964c205eb91f6553

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

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
4736	MSWDM.EXE
1616	MSWDM.EXE
5100	4CF6EDBF7465AF5B11DF3F4D849105C0_NEAS.EXE
1156	MSWDM.EXE

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2632-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/files/0x000e000000023bb6-6.dat	upx
behavioral2/memory/2632-8-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1616-11-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4736-10-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1156-16-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/files/0x000a000000023bc7-19.dat	upx
behavioral2/memory/1156-21-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1616-24-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4736-25-0x0000000000400000-0x0000000000418000-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 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe
File opened for modification	C:\Windows\dev4249.tmp	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe
File opened for modification	C:\Windows\dev4249.tmp	MSWDM.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1616	MSWDM.EXE
1616	MSWDM.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 4736	2632	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	83
PID 2632 wrote to memory of 4736	2632	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	83
PID 2632 wrote to memory of 4736	2632	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	83
PID 2632 wrote to memory of 1616	2632	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	84
PID 2632 wrote to memory of 1616	2632	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	84
PID 2632 wrote to memory of 1616	2632	4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe	84
PID 1616 wrote to memory of 5100	1616	MSWDM.EXE	85
PID 1616 wrote to memory of 5100	1616	MSWDM.EXE	85
PID 1616 wrote to memory of 1156	1616	MSWDM.EXE	87
PID 1616 wrote to memory of 1156	1616	MSWDM.EXE	87
PID 1616 wrote to memory of 1156	1616	MSWDM.EXE	87

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:2632
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:4736
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev4249.tmp!C:\Users\Admin\AppData\Local\Temp\4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Users\Admin\AppData\Local\Temp\4CF6EDBF7465AF5B11DF3F4D849105C0_NEAS.EXE
    3⤵
    - Executes dropped EXE
    PID:5100
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev4249.tmp!C:\Users\Admin\AppData\Local\Temp\4CF6EDBF7465AF5B11DF3F4D849105C0_NEAS.EXE!
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:1156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4cf6edbf7465af5b11df3f4d849105c0_NEAS.exe

Filesize
73KB

MD5
f7a6e7500b7137d4bf570209613c7c7c

SHA1
62b55849f0697259f23540708c6d4c2c392c4950

SHA256
a202450dfc5f03b5d42bed19b013f0feb39285109658fbfbef380c7d0fad0f01

SHA512
d403b5e4873129a6d35e667ea5549bcaddde6fe260c42bb744d7dd1edea552feffe361b839c69a4e0c5b6973a7a9087ae24b7615bd2fa7da5e71e15707a36cd0

Download Submit
C:\WINDOWS\MSWDM.EXE

Filesize
39KB

MD5
808db81803d4419434e881bb42d2c096

SHA1
44cbbac69c5dbfedb6f2853d12baeb2e750840fb

SHA256
85472524ca67962db894afb21001c14722734178410d675d4f76fcccb2958253

SHA512
00b44fe56d0f07dac49b8f1586a3e3f7be36b553e9cec6af2ea2ad0f07616d6e21d3c5f794b137d8b16cb2b18be388531db023b237c7fc75ea0d3d8db77495db

Download Submit
C:\Windows\dev4249.tmp

Filesize
34KB

MD5
83883e2f33b94d2d3194058713b10cc0

SHA1
d1ace2eaf9a17fcaeba570e52872569ccc1778b8

SHA256
6b36425c11169bb38728bf5124bd8f816f9b5cd7694389de9c05da82d7e58250

SHA512
6ab03f645625fb8389b85e2194740b25f700c0256e86067571afd7bdabd555d26e7ea36b73a189a7fad0a7fe43d5e117a362974641f390da52814accbf3e7892

Download Submit
memory/1156-16-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1156-21-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1616-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1616-24-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2632-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2632-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4736-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4736-25-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads