377113e1a7ba66c25bc72f9bd79e9dd26ecbb6c9128d07f2deed92a1f0803f25

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2023, 11:12

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General

Target

Invoice.exe
Size

780KB
MD5

8f640a0035e12ea1122856ae2c6e5eaf
SHA1

bbca60cf2a5395b1ba00171251c114ad1f3736da
SHA256

377113e1a7ba66c25bc72f9bd79e9dd26ecbb6c9128d07f2deed92a1f0803f25
SHA512

2570b5677f10fbc8bb4153aba95e8f84878290948a26dfeef72d38794a7e16baee9ee88ee775a1687c6aedb414007d19629a1d933beb9a8b34dd76bdaba5b3be
SSDEEP

12288:n8cpVgEe+AapAhPXX1eqOLWNV2YgGg6xIb4dupGOwI7AFQ4Sp:8cPgR3hPnIPLWXI3fqiDvEFSp

Score

7^/10

spyware stealer

Malware Config

Signatures

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
31	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 1908	2828	Invoice.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1908	Invoice.exe
1908	Invoice.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1908	Invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	Invoice.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91
PID 2828 wrote to memory of 1908	2828	Invoice.exe	91

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:1908

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1908-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1908-17-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1908-16-0x0000000006C70000-0x0000000006E32000-memory.dmp

Filesize
1.8MB

Download
memory/1908-15-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/1908-14-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/1908-12-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/2828-4-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/2828-8-0x00000000093C0000-0x000000000945C000-memory.dmp

Filesize
624KB

Download
memory/2828-7-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/2828-6-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/2828-13-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/2828-5-0x00000000053F0000-0x00000000053FA000-memory.dmp

Filesize
40KB

Download
memory/2828-0-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/2828-3-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/2828-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/2828-1-0x0000000000930000-0x00000000009F8000-memory.dmp

Filesize
800KB

Download