Overview
overview
7Static
static
78ba6723e53...e2.exe
windows7-x64
38ba6723e53...e2.exe
windows10-2004-x64
3$PLUGINSDI...64.dll
windows7-x64
3$PLUGINSDI...64.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...sh.dll
windows7-x64
3$PLUGINSDI...sh.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...om.dll
windows7-x64
7$PLUGINSDI...om.dll
windows10-2004-x64
7Coolso.exe
windows7-x64
1Coolso.exe
windows10-2004-x64
1eAPI.dll
windows7-x64
1eAPI.dll
windows10-2004-x64
1iconv.dll
windows7-x64
1iconv.dll
windows10-2004-x64
1iext2.dll
windows7-x64
1iext2.dll
windows10-2004-x64
1internet.dll
windows7-x64
1internet.dll
windows10-2004-x64
1krnln.dll
windows7-x64
1krnln.dll
windows10-2004-x64
1play/com.dll
windows7-x64
3play/com.dll
windows10-2004-x64
3play/eAPI.dll
windows7-x64
1play/eAPI.dll
windows10-2004-x64
1Analysis
-
max time kernel
88s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2024, 06:36
Behavioral task
behavioral1
Sample
8ba6723e538cf9bc464db0edc33d8ce2.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
8ba6723e538cf9bc464db0edc33d8ce2.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/Base64.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/Base64.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/blowfish.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/blowfish.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsRandom.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsRandom.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral17
Sample
Coolso.exe
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
Coolso.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral19
Sample
eAPI.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
eAPI.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
iconv.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
iconv.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
iext2.dll
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
iext2.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
internet.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
internet.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
krnln.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
krnln.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
play/com.dll
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
play/com.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
play/eAPI.dll
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
play/eAPI.dll
Resource
win10v2004-20231222-en
General
-
Target
$PLUGINSDIR/blowfish.dll
-
Size
22KB
-
MD5
5afd4a9b7e69e7c6e312b2ce4040394a
-
SHA1
fbd07adb3f02f866dc3a327a86b0f319d4a94502
-
SHA256
053b4487d22aacf8274bab448ae1d665fe7926102197b47bfba6c7ed5493b3ae
-
SHA512
f78efe9d1fa7d2ffc731d5f878f81e4dcbfaf0c561fdfbf4c133ba2ce1366c95c4672d67cae6a8bd8fcc7d04861a9da389d98361055ac46fc9793828d9776511
-
SSDEEP
384:yTxz0Cv0hqd+1TjQmd9YWrSUEc//////OD5hF92IJpJgLa0MpoYfAz6S:jCvsqdS3QGBREc//////Q53NgLa1ub
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1768 2972 WerFault.exe 16 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2972 2888 rundll32.exe 16 PID 2888 wrote to memory of 2972 2888 rundll32.exe 16 PID 2888 wrote to memory of 2972 2888 rundll32.exe 16
Processes
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\blowfish.dll,#11⤵PID:2972
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 6202⤵
- Program crash
PID:1768
-
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\blowfish.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2888
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2972 -ip 29721⤵PID:4716