e66efbe405be933bb8a27d4b4beb8632bf395cb810ebd2f56b915edbee619a37

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/01/2024, 14:38

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General

Target

1eba93412d726c87aa094a3c44d9268a.exe
Size

176KB
MD5

1eba93412d726c87aa094a3c44d9268a
SHA1

f3ff7dd4573fdbcb2825a7fcad934b5c5235b431
SHA256

e66efbe405be933bb8a27d4b4beb8632bf395cb810ebd2f56b915edbee619a37
SHA512

d8e8b325b5869c75356de1e012daf440e8ffbf23b038a40cf97fdf84ce12a18854d720c4a2aa2a0074ef06b2d1c5015460588670127c1bf1419e2b23b71d0246
SSDEEP

3072:upMlNPPG3GRfo8RKjhzGBqOYcYZlDd8FdymUvuFWVAsiLYmFsL5+/aGw8R2KGU:upYNOWRg8UtGbY/iFdLUvuFuBoRGW2

Score

10^/10

persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	1eba93412d726c87aa094a3c44d9268a.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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3064-13-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/1428-72-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/2128-73-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/2128-75-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/2128-139-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/2128-178-0x0000000000400000-0x000000000048E000-memory.dmp	upx

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 3064	2128	1eba93412d726c87aa094a3c44d9268a.exe	18
PID 2128 wrote to memory of 3064	2128	1eba93412d726c87aa094a3c44d9268a.exe	18
PID 2128 wrote to memory of 3064	2128	1eba93412d726c87aa094a3c44d9268a.exe	18
PID 2128 wrote to memory of 3064	2128	1eba93412d726c87aa094a3c44d9268a.exe	18
PID 2128 wrote to memory of 1428	2128	1eba93412d726c87aa094a3c44d9268a.exe	30
PID 2128 wrote to memory of 1428	2128	1eba93412d726c87aa094a3c44d9268a.exe	30
PID 2128 wrote to memory of 1428	2128	1eba93412d726c87aa094a3c44d9268a.exe	30
PID 2128 wrote to memory of 1428	2128	1eba93412d726c87aa094a3c44d9268a.exe	30

C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe
"C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe
  C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:3064
- C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe
  C:\Users\Admin\AppData\Local\Temp\1eba93412d726c87aa094a3c44d9268a.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:1428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1428-72-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1428-74-0x00000000002F5000-0x000000000030E000-memory.dmp

Filesize
100KB

Download
memory/2128-1-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2128-3-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/2128-73-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2128-75-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2128-76-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/2128-139-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2128-178-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2128-183-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/3064-14-0x0000000000315000-0x000000000032E000-memory.dmp

Filesize
100KB

Download
memory/3064-13-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads