54f49a6c62fc8ae5897c3f08c0ed3ad5eb231c5c6621a566aac12e05abea8b36

Analysis

max time kernel
120s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 02:24

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General

Target

8f51f2ce93433514f87cdb4ed20b8560N.exe
Size

348KB
MD5

8f51f2ce93433514f87cdb4ed20b8560
SHA1

f79ad4c224b9dbdf3809aedc7ec9d1bcccca228e
SHA256

54f49a6c62fc8ae5897c3f08c0ed3ad5eb231c5c6621a566aac12e05abea8b36
SHA512

198aedb95ff337da125568ad890d617a22b0fbe5ddd70008f4ec57503bf03b4c43719cd422a1966113cb9ec75a9ee1d7c2bf689c807b1ca079922596469fd1fc
SSDEEP

6144:ybpFMByWEhy9vBpHLnU+r/f79MzNtukvSodidiHlFE:y9y2hqbLnZr/5MJt5qZi/E

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	8f51f2ce93433514f87cdb4ed20b8560N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IntelPowerAgent5 = "rundll32.exe shell32.dll, ShellExec_RunDLL C:\\PROGRA~3\\D2BH68~1.EXE"	backgroundTaskHost.exe

Checks for any installed AV software in registry 1 TTPs 3 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Software\WOW6432Node\Avira	backgroundTaskHost.exe
Key opened	\REGISTRY\MACHINE\Software\WOW6432Node\AVAST Software\Avast	backgroundTaskHost.exe
Key opened	\REGISTRY\MACHINE\Software\WOW6432Node\Eset\Nod	backgroundTaskHost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2064 set thread context of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4576	2064	WerFault.exe	86
1908	2064	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	backgroundTaskHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f51f2ce93433514f87cdb4ed20b8560N.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
2064	8f51f2ce93433514f87cdb4ed20b8560N.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe
1260	backgroundTaskHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1260	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	99
PID 2064 wrote to memory of 1800	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	100
PID 2064 wrote to memory of 1800	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	100
PID 2064 wrote to memory of 1800	2064	8f51f2ce93433514f87cdb4ed20b8560N.exe	100
PID 1800 wrote to memory of 216	1800	cmd.exe	105
PID 1800 wrote to memory of 216	1800	cmd.exe	105
PID 1800 wrote to memory of 216	1800	cmd.exe	105

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
216	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8f51f2ce93433514f87cdb4ed20b8560N.exe
"C:\Users\Admin\AppData\Local\Temp\8f51f2ce93433514f87cdb4ed20b8560N.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\backgroundTaskHost.exe
  "backgroundTaskHost.exe"
  2⤵
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1260
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\wuh7CAB.tmp.bat" "C:\Users\Admin\AppData\Local\Temp\8f51f2ce93433514f87cdb4ed20b8560N.exe""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\8f51f2ce93433514f87cdb4ed20b8560N.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 1792
  2⤵
  - Program crash
  PID:4576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 1572
  2⤵
  - Program crash
  PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
1⤵
PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2064 -ip 2064
1⤵
PID:3608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Software Discovery

T1518

Security Software Discovery

T1518.001

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\d2bh68f622.exe

Filesize
348KB

MD5
779ccfcabba9c335abb4bcd1cd7a459e

SHA1
1f997866ead83561764f4ee3b252f7ee03efd74d

SHA256
6426674f7546479b2f05a6aa7792699f1415e38aa4e220cfbeffff7685b359d7

SHA512
a44a7499f4aa81d55052f0e4baf536b2234b1bf1882186845d30bdaf54295089b56b987b515baa56d8ba94c6608b12dd3fb10574954e46d1ecb718b9764135e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\3492473cd35c8bdceed8

Filesize
29B

MD5
1d129e71d0de4ba3782a6d94c0b2e3c8

SHA1
517cfc2ef812b7408e7a5f5a25bfb16f026709f5

SHA256
019a5a204d95745c0b0aa55a1685f0c1d53ecb13bb09eb428ad463bb5f7fe4fb

SHA512
d2f9ef378141111d187f274a042973bc8dd28887892db010259ac3c3b6d88326f3f7c62908de14417e123885fe8e103bd0365590d48e7e923b5de91390a65b6f

Download Submit
C:\Users\Admin\AppData\Local\wuh7CAB.tmp.bat

Filesize
53B

MD5
9f16d40e0104af15c183890db51a613a

SHA1
0e1548e5c6f64df5d08d3403e9ecb7abdd26577f

SHA256
dc8e2f1c6ad1edf468dde9341ab62bc4721c91c7cb47ae40977d5e969360af17

SHA512
f3b909ed91047744f54cfc2481765addec44bc9db922b2d660c4d304743fdac02f624aebf52b0452127007ff4b3f028a45b0b3ccc1d140bc6cbacec55d226b86

Download Submit
memory/1260-293-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/1260-299-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/1260-8-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1260-433-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/1260-11-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/1260-450-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/1260-295-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/1260-448-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/1260-455-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/1260-300-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/1260-303-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/1260-468-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/1260-307-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/1260-353-0x00000000007D0000-0x000000000083A000-memory.dmp

Filesize
424KB

Download
memory/2064-10-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2064-431-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2064-432-0x0000000000457000-0x000000000045B000-memory.dmp

Filesize
16KB

Download
memory/2064-0-0x0000000000457000-0x000000000045B000-memory.dmp

Filesize
16KB

Download
memory/2064-5-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2064-4-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2064-3-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2064-1-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download