3e5bfe0ca8f353e91e3f84bff969a9490e5edc381a96213a83d717f3dcfb9591

General

Target

35bb48e85b36f11fbf5fd42845983ce0N.exe
Size

225KB
MD5

35bb48e85b36f11fbf5fd42845983ce0
SHA1

7ce9b5e1bdd166dcf0cc4545854f47ab5e2cb976
SHA256

3e5bfe0ca8f353e91e3f84bff969a9490e5edc381a96213a83d717f3dcfb9591
SHA512

40bd015aac479d902e9fc86acc38006b8cbacbf7c9dcd4a57643ce3d9bdb0102aef129fd89828f3666d79290322951239c3b5c8967bbf242424ef6b9471d08ef
SSDEEP

6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgf

Score

3^/10

discovery

Malware Config

Signatures

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
724	1532	WerFault.exe	99
3780	2420	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35bb48e85b36f11fbf5fd42845983ce0N.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2420	35bb48e85b36f11fbf5fd42845983ce0N.exe
2420	35bb48e85b36f11fbf5fd42845983ce0N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1532	winver.exe
2420	35bb48e85b36f11fbf5fd42845983ce0N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1532	2420	35bb48e85b36f11fbf5fd42845983ce0N.exe	99
PID 2420 wrote to memory of 1532	2420	35bb48e85b36f11fbf5fd42845983ce0N.exe	99
PID 2420 wrote to memory of 1532	2420	35bb48e85b36f11fbf5fd42845983ce0N.exe	99
PID 2420 wrote to memory of 1532	2420	35bb48e85b36f11fbf5fd42845983ce0N.exe	99
PID 1532 wrote to memory of 3476	1532	winver.exe	55
PID 2420 wrote to memory of 3476	2420	35bb48e85b36f11fbf5fd42845983ce0N.exe	55
PID 2420 wrote to memory of 2532	2420	35bb48e85b36f11fbf5fd42845983ce0N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3476
- C:\Users\Admin\AppData\Local\Temp\35bb48e85b36f11fbf5fd42845983ce0N.exe
  "C:\Users\Admin\AppData\Local\Temp\35bb48e85b36f11fbf5fd42845983ce0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 300
      4⤵
      Program crash
      PID:724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 932
    3⤵
    - Program crash
    PID:3780

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1532 -ip 1532
1⤵
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2420 -ip 2420
1⤵
PID:4984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2420-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2420-16-0x0000000005770000-0x0000000006170000-memory.dmp

Filesize
10.0MB

Download
memory/2420-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2420-4-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2420-5-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2420-6-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2420-7-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2420-8-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2420-2-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/2420-24-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2420-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2420-21-0x0000000005770000-0x0000000006170000-memory.dmp

Filesize
10.0MB

Download
memory/2532-19-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download
memory/2532-25-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download
memory/3476-12-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3476-17-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/3476-11-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download

Analysis

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