Overview
overview
7Static
static
3f4e41f1939...18.exe
windows7-x64
7f4e41f1939...18.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...m3.dll
windows7-x64
3$PLUGINSDI...m3.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$R2/Chromium.dll
windows7-x64
1$R2/Chromium.dll
windows10-2004-x64
1$R2/Kompex...er.dll
windows7-x64
3$R2/Kompex...er.dll
windows10-2004-x64
3$R2/TkArOdh.dll
windows7-x64
5$R2/TkArOdh.dll
windows10-2004-x64
5$R2/freebl3.dll
windows7-x64
1$R2/freebl3.dll
windows10-2004-x64
1$R2/nspr4.dll
windows7-x64
1$R2/nspr4.dll
windows10-2004-x64
3$R2/nss3.dll
windows7-x64
3$R2/nss3.dll
windows10-2004-x64
3$R2/nssutil3.dll
windows7-x64
3$R2/nssutil3.dll
windows10-2004-x64
3$R2/plc4.dll
windows7-x64
3$R2/plc4.dll
windows10-2004-x64
3$R2/plds4.dll
windows7-x64
3$R2/plds4.dll
windows10-2004-x64
3Analysis
-
max time kernel
138s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 03:00
Static task
static1
Behavioral task
behavioral1
Sample
f4e41f19395251ee15683ed797e7f04b_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f4e41f19395251ee15683ed797e7f04b_JaffaCakes118.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System3.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System3.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral15
Sample
$R2/Chromium.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
$R2/Chromium.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral17
Sample
$R2/KompexSQLiteWrapper.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
$R2/KompexSQLiteWrapper.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral19
Sample
$R2/TkArOdh.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
$R2/TkArOdh.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral21
Sample
$R2/freebl3.dll
Resource
win7-20240220-en
Behavioral task
behavioral22
Sample
$R2/freebl3.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral23
Sample
$R2/nspr4.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
$R2/nspr4.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
$R2/nss3.dll
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
$R2/nss3.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral27
Sample
$R2/nssutil3.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
$R2/nssutil3.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral29
Sample
$R2/plc4.dll
Resource
win7-20240215-en
Behavioral task
behavioral30
Sample
$R2/plc4.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral31
Sample
$R2/plds4.dll
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
$R2/plds4.dll
Resource
win10v2004-20240412-en
General
-
Target
$R2/nspr4.dll
-
Size
260KB
-
MD5
68328b747cc7e2dc96e4e39c1cbbde08
-
SHA1
d1a049f9abc50b334ad94556f293ac0148de6408
-
SHA256
7c2950f81ff490d45e063236c2797f1dc6833681e34f9e379fc2c2687b63a500
-
SHA512
ce3eb2989d183e56e1ed346eac01b70cbecadddf08653f9e3687564df5f6b75995e8258fae2481a5c8498914c8e24fe769b90230593f898ca3e1fcf0eae6430d
-
SSDEEP
3072:eVBvCEfCCwRBy5kYZBLzuvvG29RqwP+5fEPaFSEW0beHpTIBVagk2v6lGw2V9hOn:eLvZfGy5kAOx2SEW04WBhAlb2VU28vu
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4236 2100 WerFault.exe 90 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2100 2240 rundll32.exe 90 PID 2240 wrote to memory of 2100 2240 rundll32.exe 90 PID 2240 wrote to memory of 2100 2240 rundll32.exe 90
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$R2\nspr4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$R2\nspr4.dll,#12⤵PID:2100
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 6403⤵
- Program crash
PID:4236
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2100 -ip 21001⤵PID:2128
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:81⤵PID:2364