f8f32ceb8188585cd9db161a8a96353cd72df8971195f3f9769ef87fbfc286fd

General

Target

80435c956343c13c8eb6252c7229692f.exe
Size

224KB
MD5

80435c956343c13c8eb6252c7229692f
SHA1

471c6efa52c9dec5a0a3e12936b81d225eaf4bd3
SHA256

f8f32ceb8188585cd9db161a8a96353cd72df8971195f3f9769ef87fbfc286fd
SHA512

cce97de05d646d1a20e48dc34ef240cee1975d62683ea1cd19f742d43fcd299b0e5c0c94b95b46e4312665076f7e1ca7003badc644840192889f5d12e5bc9d5f
SSDEEP

6144:7FCZksD0tc4/sjUAx8sHZJcT9CU63Qyw:4kOj4/sjUAx8oZECtpw

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2376	s.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\windows\s.exe	80435c956343c13c8eb6252c7229692f.exe
File opened for modification	C:\windows\s.exe	80435c956343c13c8eb6252c7229692f.exe
File created	C:\windows\systemos1.exe	s.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1680	2376	WerFault.exe	31

Runs net.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1968	1972	80435c956343c13c8eb6252c7229692f.exe	28
PID 1972 wrote to memory of 1968	1972	80435c956343c13c8eb6252c7229692f.exe	28
PID 1972 wrote to memory of 1968	1972	80435c956343c13c8eb6252c7229692f.exe	28
PID 1972 wrote to memory of 1968	1972	80435c956343c13c8eb6252c7229692f.exe	28
PID 1968 wrote to memory of 2796	1968	net.exe	30
PID 1968 wrote to memory of 2796	1968	net.exe	30
PID 1968 wrote to memory of 2796	1968	net.exe	30
PID 1968 wrote to memory of 2796	1968	net.exe	30
PID 1972 wrote to memory of 2376	1972	80435c956343c13c8eb6252c7229692f.exe	31
PID 1972 wrote to memory of 2376	1972	80435c956343c13c8eb6252c7229692f.exe	31
PID 1972 wrote to memory of 2376	1972	80435c956343c13c8eb6252c7229692f.exe	31
PID 1972 wrote to memory of 2376	1972	80435c956343c13c8eb6252c7229692f.exe	31
PID 2376 wrote to memory of 2784	2376	s.exe	32
PID 2376 wrote to memory of 2784	2376	s.exe	32
PID 2376 wrote to memory of 2784	2376	s.exe	32
PID 2376 wrote to memory of 2784	2376	s.exe	32
PID 2784 wrote to memory of 2692	2784	net.exe	34
PID 2784 wrote to memory of 2692	2784	net.exe	34
PID 2784 wrote to memory of 2692	2784	net.exe	34
PID 2784 wrote to memory of 2692	2784	net.exe	34
PID 2376 wrote to memory of 1680	2376	s.exe	39
PID 2376 wrote to memory of 1680	2376	s.exe	39
PID 2376 wrote to memory of 1680	2376	s.exe	39
PID 2376 wrote to memory of 1680	2376	s.exe	39

C:\Users\Admin\AppData\Local\Temp\80435c956343c13c8eb6252c7229692f.exe
"C:\Users\Admin\AppData\Local\Temp\80435c956343c13c8eb6252c7229692f.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\net.exe
  net stop SharedAccess
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop SharedAccess
    3⤵
    PID:2796
- C:\windows\s.exe
  C:\windows\s.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\net.exe
    net stop SharedAccess
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop SharedAccess
      4⤵
      PID:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 912
    3⤵
    - Program crash
    PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\s.exe

Filesize
224KB

MD5
80435c956343c13c8eb6252c7229692f

SHA1
471c6efa52c9dec5a0a3e12936b81d225eaf4bd3

SHA256
f8f32ceb8188585cd9db161a8a96353cd72df8971195f3f9769ef87fbfc286fd

SHA512
cce97de05d646d1a20e48dc34ef240cee1975d62683ea1cd19f742d43fcd299b0e5c0c94b95b46e4312665076f7e1ca7003badc644840192889f5d12e5bc9d5f

Download Submit
C:\Windows\systemos1.exe

Filesize
2KB

MD5
8bfcf44eb468bd8d016c0a378f5ce3b6

SHA1
11afc64a4248bf6856fc4f8481d6b62f50f86143

SHA256
04aa3b55acb1d205869dda64310cd684169666980c1fc4f41d7364ee58a7f973

SHA512
3e445d11ba096b13fca27dd4a7cd620eff4a31f90163f91002128baf96ad95bf58f4dd7143ca59789701aacc55fd9d68400e6bff350e1781696cdf0a95754ea8

Download Submit
memory/1972-1-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1972-0-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1972-10-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-17-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-9-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2376-18-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-19-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2376-20-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-21-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-22-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-23-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-24-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2376-25-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download

Analysis

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