2ea8920bf40d1f6d3822b08f2363b69001e48719551f19993cbaa11165fc4b4a

Analysis

max time kernel
242s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 16:19

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General

Target

2ea8920bf40d1f6d3822b08f2363b69001e48719551f19993cbaa11165fc4b4a.dll
Size

72KB
MD5

9d077ecbe40bbea4490ec87ab1279d80
SHA1

5b6280a660d0143f90e73fdcd3f88618ea1ae17a
SHA256

2ea8920bf40d1f6d3822b08f2363b69001e48719551f19993cbaa11165fc4b4a
SHA512

33640f89841f5a5869ee95c8e776d9f61f51f21c25fb45c66f4b39c72c69f87ff681e26d379ceec560adf6735d54ba8830c6c2ea908975790e634b986dc1062d
SSDEEP

1536:ymv6BS7LL1w+o9yHSmGhbw9QDyJYzC7gtop0Z:yVBon1wJyHS04RzsKAE

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
568	hrlD5F6.tmp
1304	lwnfsm.exe

Loads dropped DLL 2 IoCs

pid	Process
768	rundll32.exe
768	rundll32.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lwnfsm.exe	hrlD5F6.tmp
File opened for modification	C:\Windows\SysWOW64\lwnfsm.exe	hrlD5F6.tmp

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
568	hrlD5F6.tmp
1304	lwnfsm.exe

Suspicious behavior: MapViewOfSection 48 IoCs

pid	Process
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
568	hrlD5F6.tmp
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe
1304	lwnfsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	568	hrlD5F6.tmp
Token: SeDebugPrivilege	1304	lwnfsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 768	680	rundll32.exe	28
PID 680 wrote to memory of 768	680	rundll32.exe	28
PID 680 wrote to memory of 768	680	rundll32.exe	28
PID 680 wrote to memory of 768	680	rundll32.exe	28
PID 680 wrote to memory of 768	680	rundll32.exe	28
PID 680 wrote to memory of 768	680	rundll32.exe	28
PID 680 wrote to memory of 768	680	rundll32.exe	28
PID 768 wrote to memory of 568	768	rundll32.exe	29
PID 768 wrote to memory of 568	768	rundll32.exe	29
PID 768 wrote to memory of 568	768	rundll32.exe	29
PID 768 wrote to memory of 568	768	rundll32.exe	29
PID 568 wrote to memory of 368	568	hrlD5F6.tmp	5
PID 568 wrote to memory of 368	568	hrlD5F6.tmp	5
PID 568 wrote to memory of 368	568	hrlD5F6.tmp	5
PID 568 wrote to memory of 368	568	hrlD5F6.tmp	5
PID 568 wrote to memory of 368	568	hrlD5F6.tmp	5
PID 568 wrote to memory of 368	568	hrlD5F6.tmp	5
PID 568 wrote to memory of 368	568	hrlD5F6.tmp	5
PID 568 wrote to memory of 380	568	hrlD5F6.tmp	4
PID 568 wrote to memory of 380	568	hrlD5F6.tmp	4
PID 568 wrote to memory of 380	568	hrlD5F6.tmp	4
PID 568 wrote to memory of 380	568	hrlD5F6.tmp	4
PID 568 wrote to memory of 380	568	hrlD5F6.tmp	4
PID 568 wrote to memory of 380	568	hrlD5F6.tmp	4
PID 568 wrote to memory of 380	568	hrlD5F6.tmp	4
PID 568 wrote to memory of 416	568	hrlD5F6.tmp	3
PID 568 wrote to memory of 416	568	hrlD5F6.tmp	3
PID 568 wrote to memory of 416	568	hrlD5F6.tmp	3
PID 568 wrote to memory of 416	568	hrlD5F6.tmp	3
PID 568 wrote to memory of 416	568	hrlD5F6.tmp	3
PID 568 wrote to memory of 416	568	hrlD5F6.tmp	3
PID 568 wrote to memory of 416	568	hrlD5F6.tmp	3
PID 568 wrote to memory of 460	568	hrlD5F6.tmp	2
PID 568 wrote to memory of 460	568	hrlD5F6.tmp	2
PID 568 wrote to memory of 460	568	hrlD5F6.tmp	2
PID 568 wrote to memory of 460	568	hrlD5F6.tmp	2
PID 568 wrote to memory of 460	568	hrlD5F6.tmp	2
PID 568 wrote to memory of 460	568	hrlD5F6.tmp	2
PID 568 wrote to memory of 460	568	hrlD5F6.tmp	2
PID 568 wrote to memory of 476	568	hrlD5F6.tmp	1
PID 568 wrote to memory of 476	568	hrlD5F6.tmp	1
PID 568 wrote to memory of 476	568	hrlD5F6.tmp	1
PID 568 wrote to memory of 476	568	hrlD5F6.tmp	1
PID 568 wrote to memory of 476	568	hrlD5F6.tmp	1
PID 568 wrote to memory of 476	568	hrlD5F6.tmp	1
PID 568 wrote to memory of 476	568	hrlD5F6.tmp	1
PID 568 wrote to memory of 484	568	hrlD5F6.tmp	8
PID 568 wrote to memory of 484	568	hrlD5F6.tmp	8
PID 568 wrote to memory of 484	568	hrlD5F6.tmp	8
PID 568 wrote to memory of 484	568	hrlD5F6.tmp	8
PID 568 wrote to memory of 484	568	hrlD5F6.tmp	8
PID 568 wrote to memory of 484	568	hrlD5F6.tmp	8
PID 568 wrote to memory of 484	568	hrlD5F6.tmp	8
PID 568 wrote to memory of 596	568	hrlD5F6.tmp	27
PID 568 wrote to memory of 596	568	hrlD5F6.tmp	27
PID 568 wrote to memory of 596	568	hrlD5F6.tmp	27
PID 568 wrote to memory of 596	568	hrlD5F6.tmp	27
PID 568 wrote to memory of 596	568	hrlD5F6.tmp	27
PID 568 wrote to memory of 596	568	hrlD5F6.tmp	27
PID 568 wrote to memory of 596	568	hrlD5F6.tmp	27
PID 568 wrote to memory of 672	568	hrlD5F6.tmp	26
PID 568 wrote to memory of 672	568	hrlD5F6.tmp	26
PID 568 wrote to memory of 672	568	hrlD5F6.tmp	26
PID 568 wrote to memory of 672	568	hrlD5F6.tmp	26

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:476

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:460
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:1036
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1672
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:276
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1124
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1096
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:296
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:884
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:840
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:808
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:756
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:672
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:596
- C:\Windows\SysWOW64\lwnfsm.exe
  C:\Windows\SysWOW64\lwnfsm.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1304

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:416

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:380

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:368
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:484

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe
1⤵
PID:1604

\\?\C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:980

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1228
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ea8920bf40d1f6d3822b08f2363b69001e48719551f19993cbaa11165fc4b4a.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:680
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ea8920bf40d1f6d3822b08f2363b69001e48719551f19993cbaa11165fc4b4a.dll,#1
    3⤵
    - Loads dropped DLL
    - Enumerates connected drives
    - Suspicious use of WriteProcessMemory
    PID:768
  - - C:\Users\Admin\AppData\Local\Temp\hrlD5F6.tmp
      C:\Users\Admin\AppData\Local\Temp\hrlD5F6.tmp
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:568

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hrlD5F6.tmp

Filesize
65KB

MD5
3d132a999ebf1affd177c37172d6cf0f

SHA1
e969549d7e5f4e92e1e54e625f2c3f8d8d468a4d

SHA256
1f090a24fddc24cf9f5125bba3c818cef17298bc734bc53cb4425bd5021b0bcc

SHA512
d4711f46dec542ae7567c2397ea861faba8e2457373bc3ec339c8ab2566e3fce10708d9ca95a25a5040aa10fdcecbe207e473998f216a23f46f833da326faeb5

Download Submit
C:\Users\Admin\AppData\Local\Temp\hrlD5F6.tmp

Filesize
65KB

MD5
3d132a999ebf1affd177c37172d6cf0f

SHA1
e969549d7e5f4e92e1e54e625f2c3f8d8d468a4d

SHA256
1f090a24fddc24cf9f5125bba3c818cef17298bc734bc53cb4425bd5021b0bcc

SHA512
d4711f46dec542ae7567c2397ea861faba8e2457373bc3ec339c8ab2566e3fce10708d9ca95a25a5040aa10fdcecbe207e473998f216a23f46f833da326faeb5

Download Submit
C:\WINDOWS\SYSWOW64\LWNFSM.EXE

Filesize
65KB

MD5
3d132a999ebf1affd177c37172d6cf0f

SHA1
e969549d7e5f4e92e1e54e625f2c3f8d8d468a4d

SHA256
1f090a24fddc24cf9f5125bba3c818cef17298bc734bc53cb4425bd5021b0bcc

SHA512
d4711f46dec542ae7567c2397ea861faba8e2457373bc3ec339c8ab2566e3fce10708d9ca95a25a5040aa10fdcecbe207e473998f216a23f46f833da326faeb5

Download Submit
C:\Windows\SysWOW64\lwnfsm.exe

Filesize
65KB

MD5
3d132a999ebf1affd177c37172d6cf0f

SHA1
e969549d7e5f4e92e1e54e625f2c3f8d8d468a4d

SHA256
1f090a24fddc24cf9f5125bba3c818cef17298bc734bc53cb4425bd5021b0bcc

SHA512
d4711f46dec542ae7567c2397ea861faba8e2457373bc3ec339c8ab2566e3fce10708d9ca95a25a5040aa10fdcecbe207e473998f216a23f46f833da326faeb5

Download Submit
\Users\Admin\AppData\Local\Temp\hrlD5F6.tmp

Filesize
65KB

MD5
3d132a999ebf1affd177c37172d6cf0f

SHA1
e969549d7e5f4e92e1e54e625f2c3f8d8d468a4d

SHA256
1f090a24fddc24cf9f5125bba3c818cef17298bc734bc53cb4425bd5021b0bcc

SHA512
d4711f46dec542ae7567c2397ea861faba8e2457373bc3ec339c8ab2566e3fce10708d9ca95a25a5040aa10fdcecbe207e473998f216a23f46f833da326faeb5

Download Submit
\Users\Admin\AppData\Local\Temp\hrlD5F6.tmp

Filesize
65KB

MD5
3d132a999ebf1affd177c37172d6cf0f

SHA1
e969549d7e5f4e92e1e54e625f2c3f8d8d468a4d

SHA256
1f090a24fddc24cf9f5125bba3c818cef17298bc734bc53cb4425bd5021b0bcc

SHA512
d4711f46dec542ae7567c2397ea861faba8e2457373bc3ec339c8ab2566e3fce10708d9ca95a25a5040aa10fdcecbe207e473998f216a23f46f833da326faeb5

Download Submit
memory/568-62-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/568-59-0x0000000000000000-mapping.dmp

Download
memory/568-67-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/568-68-0x000000007EF90000-0x000000007EF9C000-memory.dmp

Filesize
48KB

Download
memory/768-61-0x0000000000170000-0x0000000000185000-memory.dmp

Filesize
84KB

Download
memory/768-54-0x0000000000000000-mapping.dmp

Download
memory/768-57-0x0000000000170000-0x0000000000185000-memory.dmp

Filesize
84KB

Download
memory/768-55-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/768-69-0x0000000000170000-0x0000000000185000-memory.dmp

Filesize
84KB

Download
memory/1304-66-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download