1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
06/04/2024, 01:05

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General

Target

1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe
Size

2.2MB
MD5

422ad9c53a86f687b230fde951fb5856
SHA1

17eb89de5f5a21b3e83497e74145613209bc3a86
SHA256

1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5
SHA512

d0cfae682aab7a15703b051bc879721d41276b8a22e9f69d9d2a0a40bdfea38cb1634340d3f93e2ce0f8f229798290820b7262e346ab88cf578a34489471c1e6
SSDEEP

49152:Tgxqu3RcnLHx7FHNwA5VRp/KQiGH+7W7WFDus/3BcSJir2Vn:EQLVFthRhiY7Cus/3F4qV

Score

9^/10

spyware stealer upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/memory/1936-0-0x000000013FC30000-0x0000000140178000-memory.dmp	UPX
behavioral1/memory/1936-1-0x000000013FC30000-0x0000000140178000-memory.dmp	UPX
behavioral1/memory/1936-42-0x000000013FC30000-0x0000000140178000-memory.dmp	UPX

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1936-0-0x000000013FC30000-0x0000000140178000-memory.dmp	upx
behavioral1/memory/1936-1-0x000000013FC30000-0x0000000140178000-memory.dmp	upx
behavioral1/memory/1936-42-0x000000013FC30000-0x0000000140178000-memory.dmp	upx

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2628	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2628	1936	1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe	29
PID 1936 wrote to memory of 2628	1936	1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe	29
PID 1936 wrote to memory of 2628	1936	1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe	29
PID 1936 wrote to memory of 2864	1936	1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe	31
PID 1936 wrote to memory of 2864	1936	1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe	31
PID 1936 wrote to memory of 2864	1936	1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe	31

C:\Users\Admin\AppData\Local\Temp\1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe
"C:\Users\Admin\AppData\Local\Temp\1a8023c76e45b0145f1c28753efc1d5409a0ac2a1c6fdbab2022e737dcaa0ab5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -NonInteractive -NoLogo -Command "[Console]::OutputEncoding = [System.Text.Encoding]::UTF8; Get-Culture | Select -ExpandProperty DisplayName"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2628
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1936 -s 524
  2⤵
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\qzj5UFAQv7oDeWRPEgAUCxZYkFnH69\sensitive-files.zip

Filesize
2.6MB

MD5
1d6b61e77e2f95d0ce87723cad7101e5

SHA1
4adba94761a332f4e0e60129ac97b6ab9a4cdd61

SHA256
60b14a71d86ca10de615c388c7b04cd877ce5f4326449c3d1acc05f2521e571c

SHA512
d0ece685b2a80d14a2be9062e33efd1f1e311e97a4c5774ae60e2cef24996d1e5230ed57da08c510e1f939256c03a68a483b49dce6cd54b15a61c1e79a97d9ff

Download Submit
memory/1936-0-0x000000013FC30000-0x0000000140178000-memory.dmp

Filesize
5.3MB

Download
memory/1936-1-0x000000013FC30000-0x0000000140178000-memory.dmp

Filesize
5.3MB

Download
memory/1936-42-0x000000013FC30000-0x0000000140178000-memory.dmp

Filesize
5.3MB

Download
memory/2628-8-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2628-10-0x000007FEF4F00000-0x000007FEF589D000-memory.dmp

Filesize
9.6MB

Download
memory/2628-9-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download
memory/2628-11-0x00000000028C0000-0x0000000002940000-memory.dmp

Filesize
512KB

Download
memory/2628-12-0x00000000028C0000-0x0000000002940000-memory.dmp

Filesize
512KB

Download
memory/2628-13-0x000007FEF4F00000-0x000007FEF589D000-memory.dmp

Filesize
9.6MB

Download
memory/2628-14-0x00000000028C0000-0x0000000002940000-memory.dmp

Filesize
512KB

Download
memory/2628-15-0x000007FEF4F00000-0x000007FEF589D000-memory.dmp

Filesize
9.6MB

Download