77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209

General

Target

77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe
Size

93KB
MD5

5294bc84139e6b58df2af064850e3c79
SHA1

e5b159107f6015f482dc411d585192150f3ed85a
SHA256

77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209
SHA512

2e2a6729fc7ba7dc3f2d8385cc4c15b2c1dea0532ae15a2d0c932340d213b5d042f3f97f390419bc1a728b35a7b81eb1abb87c5a17f58b60e4f0ca60d3ec07f4
SSDEEP

1536:+HxCaqYLXJOfEbvdTvqGORq0H/waHXxoqNFcMeYxoPRR:+Hx8YL02HamwFDoPv

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	lsass.exe

Loads dropped DLL 2 IoCs

pid	Process
2844	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe
2844	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe

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	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1192	Process not Found
1192	Process not Found

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2908	lsass.exe
2708	explorer.exe
1192	Process not Found
1192	Process not Found
1192	Process not Found

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe
Token: SeDebugPrivilege	2908	lsass.exe
Token: SeDebugPrivilege	1192	Process not Found

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1192	Process not Found
1192	Process not Found

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Process not Found
1192	Process not Found

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2908	2844	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe	30
PID 2844 wrote to memory of 2908	2844	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe	30
PID 2844 wrote to memory of 2908	2844	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe	30
PID 2844 wrote to memory of 2908	2844	77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe	30
PID 2908 wrote to memory of 2708	2908	lsass.exe	31
PID 2908 wrote to memory of 2708	2908	lsass.exe	31
PID 2908 wrote to memory of 2708	2908	lsass.exe	31
PID 2908 wrote to memory of 2708	2908	lsass.exe	31

C:\Users\Admin\AppData\Local\Temp\77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe
"C:\Users\Admin\AppData\Local\Temp\77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\explorer.exe
    C:\Windows\explorer.exe
    3⤵
    - Suspicious behavior: MapViewOfSection
    PID:2708

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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe

Filesize
93KB

MD5
5294bc84139e6b58df2af064850e3c79

SHA1
e5b159107f6015f482dc411d585192150f3ed85a

SHA256
77f7cd23c4206e377f98a24583be1290ee4de12c9465786d29efa7eb0b84c209

SHA512
2e2a6729fc7ba7dc3f2d8385cc4c15b2c1dea0532ae15a2d0c932340d213b5d042f3f97f390419bc1a728b35a7b81eb1abb87c5a17f58b60e4f0ca60d3ec07f4

Download Submit
memory/848-28-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/848-29-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/848-20-0x0000000001F30000-0x0000000001F57000-memory.dmp

Filesize
156KB

Download
memory/1112-24-0x00000000021B0000-0x00000000021D7000-memory.dmp

Filesize
156KB

Download
memory/1112-26-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1152-25-0x00000000001C0000-0x00000000001E7000-memory.dmp

Filesize
156KB

Download
memory/1152-27-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1192-23-0x0000000002F00000-0x0000000002F01000-memory.dmp

Filesize
4KB

Download
memory/1192-14-0x0000000002520000-0x0000000002547000-memory.dmp

Filesize
156KB

Download
memory/1192-22-0x0000000002550000-0x0000000002562000-memory.dmp

Filesize
72KB

Download
memory/1192-21-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1192-30-0x0000000003010000-0x0000000003011000-memory.dmp

Filesize
4KB

Download
memory/2708-13-0x0000000000060000-0x0000000000087000-memory.dmp

Filesize
156KB

Download
memory/2844-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2844-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2908-10-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2908-11-0x0000000000290000-0x00000000002B7000-memory.dmp

Filesize
156KB

Download

Analysis

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