451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547

General

Target

451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
Size

88KB
MD5

7dbc7d98f3a7392ea418dd7cdee549c0
SHA1

8050656fc3829b1014b53cab07ec5418d316a558
SHA256

451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547
SHA512

5bfeccb890dd4f3a189a0daa223b408362148be87e8703d2f4a559b2ec24e75b55b41b8df155450f27bde83001b5631612269e9901d433b625f8af513ed464ba
SSDEEP

1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yEd:6D0ctAVA/bmxIMnoKjyR/Nd

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1732 set thread context of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/99868-540765-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/99868-540764-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/99868-540763-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/99868-540760-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/99868-540758-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31
PID 1732 wrote to memory of 99868	1732	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	31

C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
"C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
  "C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:99868
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HYUWI.bat" "
    3⤵
    PID:98640
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe" /f
      4⤵
      PID:98808
- - C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
    "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
    3⤵
    PID:98888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\HYUWI.bat

Filesize
149B

MD5
6831b89d0b8dc3e07588d733e75c122b

SHA1
8c70088c3224bbaf535ed19ec0f6bd5231c543be

SHA256
9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

SHA512
699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

Download Submit
\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe

Filesize
88KB

MD5
36701de95c265cdae7b5218ea1963eb0

SHA1
0307b59f4ebdb72e7cc86eeaf06c07d08c5c4475

SHA256
b4e82de08ec60debc576193354df9af3665f9e81036b5ce5f4e6dee46674309f

SHA512
6de8cf4e53d22a4285ae39b65f857b9017bc685300245a2a3a91a23cabc3636b2741def6d526a7404b9333e4b74a72ccb2412438b7d4ec939e39effd63a81d19

Download Submit
memory/1732-493890-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1732-4-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1732-14-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1732-58-0x0000000001BE0000-0x0000000001BE1000-memory.dmp

Filesize
4KB

Download
memory/1732-38-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/1732-26-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1732-1541-0x0000000001C50000-0x0000000001C52000-memory.dmp

Filesize
8KB

Download
memory/1732-1533-0x0000000001C20000-0x0000000001C22000-memory.dmp

Filesize
8KB

Download
memory/1732-493882-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1732-493884-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1732-68-0x0000000001C00000-0x0000000001C01000-memory.dmp

Filesize
4KB

Download
memory/1732-76-0x0000000001C20000-0x0000000001C22000-memory.dmp

Filesize
8KB

Download
memory/1732-493893-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1732-493881-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1732-493886-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1732-2-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/99868-540763-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/99868-540762-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/99868-540760-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/99868-540758-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/99868-540756-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/99868-540764-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/99868-540765-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

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