Overview
overview
7Static
static
3EMCXT/EMCX...ak.dll
windows7-x64
3EMCXT/EMCX...ak.dll
windows10-2004-x64
3EMCXT/EMCX...Ex.dll
windows7-x64
3EMCXT/EMCX...Ex.dll
windows10-2004-x64
3EMCXT/EMCX...ll.dll
windows7-x64
3EMCXT/EMCX...ll.dll
windows10-2004-x64
3EMCXT/EMCXT.exe
windows7-x64
3EMCXT/EMCXT.exe
windows10-2004-x64
3EMCXT/bin/...pt.exe
windows7-x64
7EMCXT/bin/...pt.exe
windows10-2004-x64
7EMCXT/bin/SMBHash.exe
windows7-x64
7EMCXT/bin/SMBHash.exe
windows10-2004-x64
7EMCXT/bin/bzip2.exe
windows7-x64
1EMCXT/bin/bzip2.exe
windows10-2004-x64
1EMCXT/bin/cat.exe
windows7-x64
1EMCXT/bin/cat.exe
windows10-2004-x64
1EMCXT/bin/chown.cmd
windows7-x64
1EMCXT/bin/chown.cmd
windows10-2004-x64
1EMCXT/bin/chown.exe
windows7-x64
1EMCXT/bin/chown.exe
windows10-2004-x64
1EMCXT/bin/...nt.cmd
windows7-x64
1EMCXT/bin/...nt.cmd
windows10-2004-x64
1EMCXT/bin/cp.exe
windows7-x64
1EMCXT/bin/cp.exe
windows10-2004-x64
1EMCXT/bin/...um.exe
windows7-x64
1EMCXT/bin/...um.exe
windows10-2004-x64
1EMCXT/bin/...-0.dll
windows7-x64
1EMCXT/bin/...-0.dll
windows10-2004-x64
1EMCXT/bin/...-2.dll
windows7-x64
1EMCXT/bin/...-2.dll
windows10-2004-x64
1EMCXT/bin/...-8.dll
windows7-x64
1EMCXT/bin/...-8.dll
windows10-2004-x64
1Analysis
-
max time kernel
134s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 19:06
Static task
static1
Behavioral task
behavioral1
Sample
EMCXT/EMCXT Libs/Appearance Pak.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
EMCXT/EMCXT Libs/Appearance Pak.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
EMCXT/EMCXT Libs/RegEx.dll
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
EMCXT/EMCXT Libs/RegEx.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
EMCXT/EMCXT Libs/Shell.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
EMCXT/EMCXT Libs/Shell.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
EMCXT/EMCXT.exe
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
EMCXT/EMCXT.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
EMCXT/bin/MD5Crypt.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
EMCXT/bin/MD5Crypt.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
EMCXT/bin/SMBHash.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
EMCXT/bin/SMBHash.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
EMCXT/bin/bzip2.exe
Resource
win7-20240419-en
Behavioral task
behavioral14
Sample
EMCXT/bin/bzip2.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
EMCXT/bin/cat.exe
Resource
win7-20240508-en
Behavioral task
behavioral16
Sample
EMCXT/bin/cat.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
EMCXT/bin/chown.cmd
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
EMCXT/bin/chown.cmd
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
EMCXT/bin/chown.exe
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
EMCXT/bin/chown.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral21
Sample
EMCXT/bin/copy_cont.cmd
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
EMCXT/bin/copy_cont.cmd
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
EMCXT/bin/cp.exe
Resource
win7-20240215-en
Behavioral task
behavioral24
Sample
EMCXT/bin/cp.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral25
Sample
EMCXT/bin/crc32sum.exe
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
EMCXT/bin/crc32sum.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
EMCXT/bin/cygcrypt-0.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
EMCXT/bin/cygcrypt-0.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral29
Sample
EMCXT/bin/cygiconv-2.dll
Resource
win7-20240508-en
Behavioral task
behavioral30
Sample
EMCXT/bin/cygiconv-2.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
EMCXT/bin/cygintl-8.dll
Resource
win7-20240508-en
Behavioral task
behavioral32
Sample
EMCXT/bin/cygintl-8.dll
Resource
win10v2004-20240508-en
General
-
Target
EMCXT/bin/cp.exe
-
Size
141KB
-
MD5
8c985c81deadcac8b3e5bc9ccedb1c85
-
SHA1
3df44c89cda063d0c02d3e8362b3881e01e0aa3b
-
SHA256
c3d99711dfb19c86da1629cd0e14e5aa7aac5ef637d3c4e882976813484912ab
-
SHA512
cbdb56bcc55ae3bc420a36ad3d79a0f8024432a3c24004462f65261d03a6378a9eefaefe32047348a6043dd464014a8d81d20aa04d1a26a0f8211ee1217b7e86
-
SSDEEP
3072:SkLjOxOpSj9T9bDKelt+EP9DddNdF1e/23iljao4luP4ocYlRTOih4b:fLjNQjd3tdP9TXe/RGrMuYvh4
Malware Config
Signatures
-
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeCreateGlobalPrivilege 2336 cp.exe Token: SeChangeNotifyPrivilege 2336 cp.exe Token: SeRestorePrivilege 2336 cp.exe Token: SeBackupPrivilege 2336 cp.exe Token: SeChangeNotifyPrivilege 2336 cp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4560 wrote to memory of 2336 4560 cp.exe 84 PID 4560 wrote to memory of 2336 4560 cp.exe 84 PID 4560 wrote to memory of 2336 4560 cp.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\EMCXT\bin\cp.exe"C:\Users\Admin\AppData\Local\Temp\EMCXT\bin\cp.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Users\Admin\AppData\Local\Temp\EMCXT\bin\cp.exe"C:\Users\Admin\AppData\Local\Temp\EMCXT\bin\cp.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2336
-