04d6ebcf62618db04393ecdb3a872034a6e7ca8d0efa5f9f1e02a1ed17e805d3

Analysis

max time kernel
152s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2023, 17:49

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General

Target

NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe
Size

88KB
MD5

2f7f0d31bb8e6db98918c6f73e39cea0
SHA1

7533be126079232de6e95bc62bb2af8eb9438107
SHA256

04d6ebcf62618db04393ecdb3a872034a6e7ca8d0efa5f9f1e02a1ed17e805d3
SHA512

8a7bcd4ed1290aa04a19f53ce1d81f1cf032673bdb5971e68cb24cecee6635347dff1ea55cd2aa4140747811d476a2b7282fbff0c5c31f57dc62412cfddfa0e8
SSDEEP

1536:UKiJCGGi39mF3OpIfEabJdvOW8h+ZrNr8lvuvmqd4FOejogFPGa/ip5yp:UKHi39E5Eash2mlhBOejooPGa/ocp

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4228	prints.exe

Loads dropped DLL 2 IoCs

pid	Process
4228	prints.exe
4228	prints.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2840-0-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/files/0x0006000000023220-12.dat	upx
behavioral2/files/0x0006000000023220-13.dat	upx
behavioral2/memory/2840-15-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/4228-20-0x0000000000400000-0x0000000000434000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 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\WinSysQQ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\prints.exe"	prints.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe
4228	prints.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 4228	2840	NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe	86
PID 2840 wrote to memory of 4228	2840	NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe	86
PID 2840 wrote to memory of 4228	2840	NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe	86
PID 2840 wrote to memory of 856	2840	NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe	87
PID 2840 wrote to memory of 856	2840	NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe	87
PID 2840 wrote to memory of 856	2840	NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe	87

C:\Users\Admin\AppData\Local\Temp\NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2f7f0d31bb8e6db98918c6f73e39cea0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\prints.exe
  C:\Users\Admin\AppData\Local\Temp\prints.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4228
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\Deleteme.bat
  2⤵
  PID:856

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:\Users\Admin\AppData\Local\Temp\Deleteme.bat

Filesize
194B

MD5
2e9399159e309c60e501321bbb6329f8

SHA1
be20123e886592d58b56e4c95694542a4c392584

SHA256
e7669ee66bc47e0704cce20d3209b830783ae57da4d2c2bd9bdac85901061ad8

SHA512
713b4c12f158afe3c17e2183371eaa96aec941028ce4bde5540ae8221150712309048ae6e8195bc5dc97888342b34f2ed369a489d02384a16c2154298251bb7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\ntshruis2.dll

Filesize
100KB

MD5
2a65cea9b055ce4ed42edbd4e356a1d4

SHA1
50be987e1b846385c00ae77dc6f8a1b30070fa50

SHA256
3e8eb17dd4f927991307eeecfcd01c2fb16383c25e282b0e39faf4f2460d4503

SHA512
e73578073bcaff87927aa0c20bf062c3afa20a70488934b3945b8b80d50cfba34e486d5e9cee92acd7c66d86aa123a0489e1bba22815b8ecdd1250a1bd5b6682

Download Submit
C:\Users\Admin\AppData\Local\Temp\ntshruis2.dll

Filesize
100KB

MD5
2a65cea9b055ce4ed42edbd4e356a1d4

SHA1
50be987e1b846385c00ae77dc6f8a1b30070fa50

SHA256
3e8eb17dd4f927991307eeecfcd01c2fb16383c25e282b0e39faf4f2460d4503

SHA512
e73578073bcaff87927aa0c20bf062c3afa20a70488934b3945b8b80d50cfba34e486d5e9cee92acd7c66d86aa123a0489e1bba22815b8ecdd1250a1bd5b6682

Download Submit
C:\Users\Admin\AppData\Local\Temp\ntshruis2.dll

Filesize
100KB

MD5
2a65cea9b055ce4ed42edbd4e356a1d4

SHA1
50be987e1b846385c00ae77dc6f8a1b30070fa50

SHA256
3e8eb17dd4f927991307eeecfcd01c2fb16383c25e282b0e39faf4f2460d4503

SHA512
e73578073bcaff87927aa0c20bf062c3afa20a70488934b3945b8b80d50cfba34e486d5e9cee92acd7c66d86aa123a0489e1bba22815b8ecdd1250a1bd5b6682

Download Submit
C:\Users\Admin\AppData\Local\Temp\prints.exe

Filesize
88KB

MD5
2f7f0d31bb8e6db98918c6f73e39cea0

SHA1
7533be126079232de6e95bc62bb2af8eb9438107

SHA256
04d6ebcf62618db04393ecdb3a872034a6e7ca8d0efa5f9f1e02a1ed17e805d3

SHA512
8a7bcd4ed1290aa04a19f53ce1d81f1cf032673bdb5971e68cb24cecee6635347dff1ea55cd2aa4140747811d476a2b7282fbff0c5c31f57dc62412cfddfa0e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\prints.exe

Filesize
88KB

MD5
2f7f0d31bb8e6db98918c6f73e39cea0

SHA1
7533be126079232de6e95bc62bb2af8eb9438107

SHA256
04d6ebcf62618db04393ecdb3a872034a6e7ca8d0efa5f9f1e02a1ed17e805d3

SHA512
8a7bcd4ed1290aa04a19f53ce1d81f1cf032673bdb5971e68cb24cecee6635347dff1ea55cd2aa4140747811d476a2b7282fbff0c5c31f57dc62412cfddfa0e8

Download Submit
memory/2840-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2840-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4228-18-0x00000000005A0000-0x00000000005C0000-memory.dmp

Filesize
128KB

Download
memory/4228-20-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4228-21-0x00000000005A0000-0x00000000005C0000-memory.dmp

Filesize
128KB

Download
memory/4228-25-0x00000000005A0000-0x00000000005C0000-memory.dmp

Filesize
128KB

Download