Overview
overview
7Static
static
39c3b1221a4...dd.exe
windows7-x64
79c3b1221a4...dd.exe
windows10-2004-x64
7$APPDATA/m...ay.dll
windows7-x64
1$APPDATA/m...ay.dll
windows10-2004-x64
3$APPDATA/m...in.dll
windows7-x64
1$APPDATA/m...in.dll
windows10-2004-x64
3$APPDATA/m...mu.dll
windows7-x64
3$APPDATA/m...mu.dll
windows10-2004-x64
3$APPDATA/m...rc.dll
windows7-x64
3$APPDATA/m...rc.dll
windows10-2004-x64
3$APPDATA/m...di.dll
windows7-x64
1$APPDATA/m...di.dll
windows10-2004-x64
1$APPDATA/m...p3.dll
windows7-x64
1$APPDATA/m...p3.dll
windows10-2004-x64
1$APPDATA/m...ve.dll
windows7-x64
1$APPDATA/m...ve.dll
windows10-2004-x64
1$APPDATA/m...wm.dll
windows7-x64
1$APPDATA/m...wm.dll
windows10-2004-x64
1$APPDATA/m...ip.dll
windows7-x64
1$APPDATA/m...ip.dll
windows10-2004-x64
3$APPDATA/m...om.dll
windows7-x64
1$APPDATA/m...om.dll
windows10-2004-x64
3$APPDATA/m...oo.dll
windows7-x64
1$APPDATA/m...oo.dll
windows10-2004-x64
1$APPDATA/m...Pn.dll
windows7-x64
1$APPDATA/m...Pn.dll
windows10-2004-x64
1$APPDATA/m...ve.dll
windows7-x64
1$APPDATA/m...ve.dll
windows10-2004-x64
1$APPDATA/m...ps.dll
windows7-x64
1$APPDATA/m...ps.dll
windows10-2004-x64
3$APPDATA/m...in.dll
windows7-x64
1$APPDATA/m...in.dll
windows10-2004-x64
3Analysis
-
max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
14/02/2024, 17:21
Static task
static1
Behavioral task
behavioral1
Sample
9c3b1221a443fc58f2875f3fe595c9dd.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9c3b1221a443fc58f2875f3fe595c9dd.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
$APPDATA/mIRC/bin/dll/SysTray.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$APPDATA/mIRC/bin/dll/SysTray.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
$APPDATA/mIRC/bin/dll/amp_in.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$APPDATA/mIRC/bin/dll/amp_in.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
$APPDATA/mIRC/bin/dll/dmu.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$APPDATA/mIRC/bin/dll/dmu.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$APPDATA/mIRC/bin/dll/girc.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
$APPDATA/mIRC/bin/dll/girc.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$APPDATA/mIRC/bin/dll/in_midi.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
$APPDATA/mIRC/bin/dll/in_midi.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
$APPDATA/mIRC/bin/dll/in_mp3.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
$APPDATA/mIRC/bin/dll/in_mp3.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
$APPDATA/mIRC/bin/dll/in_wave.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$APPDATA/mIRC/bin/dll/in_wave.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
$APPDATA/mIRC/bin/dll/in_wm.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
$APPDATA/mIRC/bin/dll/in_wm.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
$APPDATA/mIRC/bin/dll/mUnzip.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
$APPDATA/mIRC/bin/dll/mUnzip.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
$APPDATA/mIRC/bin/dll/mircustom.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$APPDATA/mIRC/bin/dll/mircustom.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
$APPDATA/mIRC/bin/dll/moo.dll
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
$APPDATA/mIRC/bin/dll/moo.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral25
Sample
$APPDATA/mIRC/bin/dll/nGZIPn.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
$APPDATA/mIRC/bin/dll/nGZIPn.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
$APPDATA/mIRC/bin/dll/out_wave.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
$APPDATA/mIRC/bin/dll/out_wave.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral29
Sample
$APPDATA/mIRC/bin/dll/popups.dll
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
$APPDATA/mIRC/bin/dll/popups.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
$APPDATA/mIRC/bin/dll/tbwin.dll
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
$APPDATA/mIRC/bin/dll/tbwin.dll
Resource
win10v2004-20231215-en
General
-
Target
$APPDATA/mIRC/bin/dll/in_midi.dll
-
Size
112KB
-
MD5
3abae4b35b0c9a7f5587a9d8d9c3ae38
-
SHA1
277bd830fcc48b5da259b75494867e4d01ee7b5a
-
SHA256
74145311806cd8953e4b9fc9f933cdaa5c65b69d1c18087027d681943e674781
-
SHA512
9e984c489c8a39f43820a74a782ba2948b24e6d60298c6efbab49f3a9a474b21c2a286e378effe9df545cb483b5e6d7ecd59e2a24c5f54af639e5fba3219edd0
-
SSDEEP
3072:mO8myHVYZiOIlTQcMciM9YR6e47QxovhyIJgK:ImCVYZ/+ViW5e47QxovN
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 860 wrote to memory of 2208 860 rundll32.exe 28 PID 860 wrote to memory of 2208 860 rundll32.exe 28 PID 860 wrote to memory of 2208 860 rundll32.exe 28 PID 860 wrote to memory of 2208 860 rundll32.exe 28 PID 860 wrote to memory of 2208 860 rundll32.exe 28 PID 860 wrote to memory of 2208 860 rundll32.exe 28 PID 860 wrote to memory of 2208 860 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\mIRC\bin\dll\in_midi.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\mIRC\bin\dll\in_midi.dll,#12⤵PID:2208
-