816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e

General

Target

816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe
Size

8.0MB
MD5

e6430e54dd9a3cbbdf7db68839ca9ca0
SHA1

a2af04d2b2e01974c89ee13c33dad52faf118666
SHA256

816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e
SHA512

cfa34dc63384e3f577cb5641451402265a79083dc599e36794b698de5577cdf0ab08d894c9b00ed44e7a5735a71fde2e2fd2eb890f440fdf07ca9c09112d94a5
SSDEEP

196608:zrpWV8lOtCU3sOAWQnTrpUC5ON+pkb/56AhDk5u:vCmOkuBETrSl0SK5u

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2336	sihost.exe

Loads dropped DLL 2 IoCs

pid	Process
2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe
2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe
2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe
2336	sihost.exe
2336	sihost.exe

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

System Information Discovery
T1082

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	sihost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe
2336	sihost.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe
2336	sihost.exe
2336	sihost.exe
2336	sihost.exe
2336	sihost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2336	2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe	30
PID 2528 wrote to memory of 2336	2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe	30
PID 2528 wrote to memory of 2336	2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe	30
PID 2528 wrote to memory of 2336	2528	816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe	30

C:\Users\Admin\AppData\Local\Temp\816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe
"C:\Users\Admin\AppData\Local\Temp\816cd76637f39326b52d0c9cc93014ed5779a553344af221fe7062acf505013e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\sihost.exe
  "C:\Users\Admin\AppData\Local\Temp\sihost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2336

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

C:\Users\Admin\AppData\Local\Temp\sihost.exe

Filesize
8.0MB

MD5
e1062ee62d7c1ac174e9abf34d9a7cdb

SHA1
169d45fa4b30b82d6997e7eb8dbdad6b2bf23753

SHA256
b2ac75091227304508e34e8534b5f910b1c1c3c6c0f1a436f4cd5c6c919db443

SHA512
d49e1bb0e4076fe92ca5f8099ba6f63ec7ebe9f624383eb9b97892b7ce52c32ca70b0a093c259ae8e951c3cbcf03cb2c00ada1100e89d34e801c15cd2047e409

Download Submit
memory/2336-50-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2336-52-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2336-55-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2336-57-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2336-60-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2336-62-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2336-65-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2336-67-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2336-70-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2336-72-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2528-28-0x0000000001280000-0x0000000001281000-memory.dmp

Filesize
4KB

Download
memory/2528-18-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2528-13-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/2528-11-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/2528-10-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2528-8-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2528-6-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2528-1-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2528-47-0x000000000041D000-0x00000000008AE000-memory.dmp

Filesize
4.6MB

Download
memory/2528-15-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/2528-20-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2528-23-0x0000000001270000-0x0000000001271000-memory.dmp

Filesize
4KB

Download
memory/2528-25-0x0000000001270000-0x0000000001271000-memory.dmp

Filesize
4KB

Download
memory/2528-0-0x000000000041D000-0x00000000008AE000-memory.dmp

Filesize
4.6MB

Download
memory/2528-30-0x0000000001280000-0x0000000001281000-memory.dmp

Filesize
4KB

Download
memory/2528-33-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/2528-36-0x0000000000400000-0x00000000010B8000-memory.dmp

Filesize
12.7MB

Download
memory/2528-35-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/2528-5-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2528-3-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download

Analysis

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