3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:20

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General

Target

3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780N.exe
Size

201KB
MD5

dd0cf90550045d42ace823f8e773ee50
SHA1

90f5c745503cce184a04c95aa07762fb9e42564e
SHA256

3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780
SHA512

69be238be187b3116c9d2f9adf6d5e3659bdcbbd3d10393e5b538ebbce7b8e432721c5577aad3f36d5a1ced905983fd365063beb512d4afa73d9f39fe26919cc
SSDEEP

3072:Bih0fMFfugUVg+/to3AbyaTzEfKi9Rv2PNpWJJpO3+KwIZxoUVVZWKbLqvTb+:0h0fUWgUVBWwWOErvEeof5ZzVeKPaTb+

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
2776	emlssch.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\emlssch.exe	3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780N.exe
File created	C:\PROGRA~3\Mozilla\hsimtwa.dll	emlssch.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	emlssch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780N.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2232	3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780N.exe
2776	emlssch.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2776	2272	taskeng.exe	32
PID 2272 wrote to memory of 2776	2272	taskeng.exe	32
PID 2272 wrote to memory of 2776	2272	taskeng.exe	32
PID 2272 wrote to memory of 2776	2272	taskeng.exe	32

C:\Users\Admin\AppData\Local\Temp\3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780N.exe
"C:\Users\Admin\AppData\Local\Temp\3c5fbe7807dfb60a0acdafda5dd3ffd12895e1615981a7714d98e37dfcf15780N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2232

C:\Windows\system32\taskeng.exe
taskeng.exe {DA42977E-BC63-4816-9F76-280C13B7D194} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\PROGRA~3\Mozilla\emlssch.exe
  C:\PROGRA~3\Mozilla\emlssch.exe -jioalan
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\PROGRA~3\Mozilla\emlssch.exe

Filesize
201KB

MD5
6fe1a4220de975322867a2b5753288f5

SHA1
cd5bd74429092ee4e6f5c0a9af08f3b5c2ebb8e5

SHA256
7c1b06a29961a63523a08d0f4d70711645dd5f36f306621a962c00f375f48a4a

SHA512
d31f7a97dacb1c1b9956cfc91a85915581d884f27b188a92ad22a01cbde1dc803679c23ab49aec431a063066e1ec56140bff68f95fb92921eeef632ed292cd73

Download Submit
memory/2232-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2232-0-0x0000000000500000-0x000000000055B000-memory.dmp

Filesize
364KB

Download
memory/2232-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2776-6-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2776-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2776-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download