Overview
overview
9Static
static
757c51cd3f7...91.exe
windows7-x64
957c51cd3f7...91.exe
windows10-2004-x64
9$PLUGINSDI...ck.dll
windows7-x64
3$PLUGINSDI...ck.dll
windows10-2004-x64
3$PLUGINSDI...os.dll
windows7-x64
3$PLUGINSDI...os.dll
windows10-2004-x64
3$PLUGINSDI...ig.dll
windows7-x64
3$PLUGINSDI...ig.dll
windows10-2004-x64
3$PLUGINSDI...pt.dll
windows7-x64
3$PLUGINSDI...pt.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...or.dll
windows7-x64
3$PLUGINSDI...or.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ON.dll
windows7-x64
7$PLUGINSDI...ON.dll
windows10-2004-x64
77za.exe
windows7-x64
17za.exe
windows10-2004-x64
1Analysis
-
max time kernel
122s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
13/01/2024, 02:41
Behavioral task
behavioral1
Sample
57c51cd3f760c2138e45c587c6cf8791.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
57c51cd3f760c2138e45c587c6cf8791.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/CRCCheck.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/CRCCheck.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/ExecDos.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/ExecDos.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/IpConfig.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/IpConfig.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/NSISEncrypt.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/NSISEncrypt.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/WmiInspector.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/WmiInspector.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
7za.exe
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
7za.exe
Resource
win10v2004-20231222-en
General
-
Target
$PLUGINSDIR/CRCCheck.dll
-
Size
3KB
-
MD5
ab4d03cf938fd9c748349b901314f6cd
-
SHA1
5b8fcd9a8a496c3ddf5267ac62c147359f44a93b
-
SHA256
55f7f4acf8b1eaa975fac2362633cc91d67d9749caa7916b9b6999db0f83e1c6
-
SHA512
3d2c730472fa371450e50313c28d5310d5edcf30fef5fab649151fda41721b2169884c2174cd247f09c666164ad68fa2e974f6b2c48e96fa4491758a358389aa
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2428 760 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2584 wrote to memory of 760 2584 rundll32.exe 28 PID 2584 wrote to memory of 760 2584 rundll32.exe 28 PID 2584 wrote to memory of 760 2584 rundll32.exe 28 PID 2584 wrote to memory of 760 2584 rundll32.exe 28 PID 2584 wrote to memory of 760 2584 rundll32.exe 28 PID 2584 wrote to memory of 760 2584 rundll32.exe 28 PID 2584 wrote to memory of 760 2584 rundll32.exe 28 PID 760 wrote to memory of 2428 760 rundll32.exe 29 PID 760 wrote to memory of 2428 760 rundll32.exe 29 PID 760 wrote to memory of 2428 760 rundll32.exe 29 PID 760 wrote to memory of 2428 760 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CRCCheck.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CRCCheck.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 2283⤵
- Program crash
PID:2428
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