Overview
overview
3Static
static
ESRDPC212.exe
windows7_x64
1ESRDPC212.exe
windows10_x64
1COBSETER.e...87.exe
windows7_x64
1COBSETER.e...87.exe
windows10_x64
1F195_chgse...A8.dll
windows7_x64
3F195_chgse...A8.dll
windows10_x64
3F196_chgse...A8.exe
windows7_x64
1F196_chgse...A8.exe
windows10_x64
1F3BIAESV.d...87.dll
windows7_x64
1F3BIAESV.d...87.dll
windows10_x64
1F3BIBTRV.d...87.dll
windows7_x64
1F3BIBTRV.d...87.dll
windows10_x64
1F3BICBLR.d...87.dll
windows7_x64
1F3BICBLR.d...87.dll
windows10_x64
1F3BICGI.dl...87.dll
windows7_x64
1F3BICGI.dl...87.dll
windows10_x64
1F3BICGME.d...87.dll
windows7_x64
1F3BICGME.d...87.dll
windows10_x64
1F3BICICL.d...87.dll
windows7_x64
1F3BICICL.d...87.dll
windows10_x64
1F3BICLLB.d...87.dll
windows7_x64
1F3BICLLB.d...87.dll
windows10_x64
1F3BICWME.d...87.dll
windows7_x64
1F3BICWME.d...87.dll
windows10_x64
1F3BICWSR.d...87.dll
windows7_x64
1F3BICWSR.d...87.dll
windows10_x64
1F3BIDBG.dl...87.dll
windows7_x64
1F3BIDBG.dl...87.dll
windows10_x64
1F3BIEFNC.d...87.dll
windows7_x64
1F3BIEFNC.d...87.dll
windows10_x64
1F3BIETBP.d...87.dll
windows7_x64
1F3BIETBP.d...87.dll
windows10_x64
1Analysis
-
max time kernel
49s -
max time network
52s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
08-04-2021 05:20
Static task
static1
Behavioral task
behavioral1
Sample
ESRDPC212.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
ESRDPC212.exe
Resource
win10v20201028
Behavioral task
behavioral3
Sample
COBSETER.exe.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.exe
Resource
win7v20201028
Behavioral task
behavioral4
Sample
COBSETER.exe.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.exe
Resource
win10v20201028
Behavioral task
behavioral5
Sample
F195_chgsecmd.dll.87779CB7_4471_4686_BF22_4FA2C7F5A4A8.dll
Resource
win7v20201028
Behavioral task
behavioral6
Sample
F195_chgsecmd.dll.87779CB7_4471_4686_BF22_4FA2C7F5A4A8.dll
Resource
win10v20201028
Behavioral task
behavioral7
Sample
F196_chgsecwn.exe.87779CB7_4471_4686_BF22_4FA2C7F5A4A8.exe
Resource
win7v20201028
Behavioral task
behavioral8
Sample
F196_chgsecwn.exe.87779CB7_4471_4686_BF22_4FA2C7F5A4A8.exe
Resource
win10v20201028
Behavioral task
behavioral9
Sample
F3BIAESV.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral10
Sample
F3BIAESV.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral11
Sample
F3BIBTRV.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral12
Sample
F3BIBTRV.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral13
Sample
F3BICBLR.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral14
Sample
F3BICBLR.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral15
Sample
F3BICGI.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral16
Sample
F3BICGI.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral17
Sample
F3BICGME.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral18
Sample
F3BICGME.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral19
Sample
F3BICICL.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral20
Sample
F3BICICL.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral21
Sample
F3BICLLB.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral22
Sample
F3BICLLB.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral23
Sample
F3BICWME.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral24
Sample
F3BICWME.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral25
Sample
F3BICWSR.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral26
Sample
F3BICWSR.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral27
Sample
F3BIDBG.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral28
Sample
F3BIDBG.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral29
Sample
F3BIEFNC.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral30
Sample
F3BIEFNC.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
Behavioral task
behavioral31
Sample
F3BIETBP.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win7v20201028
Behavioral task
behavioral32
Sample
F3BIETBP.dll.694C9C0C_64EF_4653_AE1B_D65BADBFFC87.dll
Resource
win10v20201028
General
-
Target
F195_chgsecmd.dll.87779CB7_4471_4686_BF22_4FA2C7F5A4A8.dll
-
Size
314KB
-
MD5
7bba684e58432fe347f71d3e2d914138
-
SHA1
4d7b0bb1e1bcf86b5b4ea2577581ad8b1a766a0c
-
SHA256
42c100ca7bb1085690ce3f89afb1eb61093e5ce9412cfa36566a0cc8137cea08
-
SHA512
1d7ba832cae73ebb85614af99632c946c9d0774c6acdd40fb368f39e9e685b1894903b11c09d074dea9685e03eefa25c310e54adec149022c6a93daca0092559
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1368 2028 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1368 WerFault.exe 1368 WerFault.exe 1368 WerFault.exe 1368 WerFault.exe 1368 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1368 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1984 wrote to memory of 2028 1984 rundll32.exe rundll32.exe PID 1984 wrote to memory of 2028 1984 rundll32.exe rundll32.exe PID 1984 wrote to memory of 2028 1984 rundll32.exe rundll32.exe PID 1984 wrote to memory of 2028 1984 rundll32.exe rundll32.exe PID 1984 wrote to memory of 2028 1984 rundll32.exe rundll32.exe PID 1984 wrote to memory of 2028 1984 rundll32.exe rundll32.exe PID 1984 wrote to memory of 2028 1984 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1368 2028 rundll32.exe WerFault.exe PID 2028 wrote to memory of 1368 2028 rundll32.exe WerFault.exe PID 2028 wrote to memory of 1368 2028 rundll32.exe WerFault.exe PID 2028 wrote to memory of 1368 2028 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\F195_chgsecmd.dll.87779CB7_4471_4686_BF22_4FA2C7F5A4A8.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\F195_chgsecmd.dll.87779CB7_4471_4686_BF22_4FA2C7F5A4A8.dll,#12⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 2283⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1368-4-0x0000000000000000-mapping.dmp
-
memory/1368-5-0x0000000000A00000-0x0000000000A11000-memory.dmpFilesize
68KB
-
memory/1368-6-0x0000000000340000-0x0000000000341000-memory.dmpFilesize
4KB
-
memory/2028-2-0x0000000000000000-mapping.dmp
-
memory/2028-3-0x0000000075ED1000-0x0000000075ED3000-memory.dmpFilesize
8KB