38c831c7fa2be98a309654fc24b0bdc92ae73cf5f38936349fe6378c89f0f342

Analysis

max time kernel
61s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/02/2023, 15:46

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General

Target

UpdaterBrowser-truncated.exe
Size

720KB
MD5

d7feb463537816ecd8b5d53082a1acca
SHA1

c3a1a69dee4dac8abe320379f5bf3b000d8662f0
SHA256

38c831c7fa2be98a309654fc24b0bdc92ae73cf5f38936349fe6378c89f0f342
SHA512

a286a52e9451264032a997126157b243f87aee3d7c81f76bd390b70a2fba3be3d9d2a3b66ce3122923def56e2fc2b80eb17f9cae3cdfb8844d629577f4a362a2
SSDEEP

12288:5zu4XEy4gCFSuv3umZv8Nb4pKrPL/NBkfDyHl23f3S431cconBuOhjSX:vX0VFSe+gENbjL/gg23f3l31cconBuOI

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

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
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 4340	1556	UpdaterBrowser-truncated.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4340	UpdaterBrowser-truncated.exe
4340	UpdaterBrowser-truncated.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4340	UpdaterBrowser-truncated.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91
PID 1556 wrote to memory of 4340	1556	UpdaterBrowser-truncated.exe	91

C:\Users\Admin\AppData\Local\Temp\UpdaterBrowser-truncated.exe
"C:\Users\Admin\AppData\Local\Temp\UpdaterBrowser-truncated.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Users\Admin\AppData\Local\Temp\UpdaterBrowser-truncated.exe
  "C:\Users\Admin\AppData\Local\Temp\UpdaterBrowser-truncated.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

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\UpdaterBrowser-truncated.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1556-133-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/1556-134-0x00000000058B0000-0x0000000005942000-memory.dmp

Filesize
584KB

Download
memory/1556-135-0x0000000005A60000-0x0000000005A6A000-memory.dmp

Filesize
40KB

Download
memory/1556-136-0x00000000092D0000-0x000000000936C000-memory.dmp

Filesize
624KB

Download
memory/1556-132-0x0000000000E50000-0x0000000000F04000-memory.dmp

Filesize
720KB

Download
memory/4340-140-0x00000000059B0000-0x0000000005FC8000-memory.dmp

Filesize
6.1MB

Download
memory/4340-138-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/4340-141-0x0000000005450000-0x0000000005462000-memory.dmp

Filesize
72KB

Download
memory/4340-142-0x0000000005580000-0x000000000568A000-memory.dmp

Filesize
1.0MB

Download
memory/4340-143-0x00000000054B0000-0x00000000054EC000-memory.dmp

Filesize
240KB

Download
memory/4340-144-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/4340-145-0x0000000006460000-0x00000000064B0000-memory.dmp

Filesize
320KB

Download
memory/4340-146-0x0000000006540000-0x00000000065B6000-memory.dmp

Filesize
472KB

Download
memory/4340-147-0x00000000064B0000-0x00000000064CE000-memory.dmp

Filesize
120KB

Download
memory/4340-148-0x0000000006E70000-0x0000000007032000-memory.dmp

Filesize
1.8MB

Download
memory/4340-149-0x0000000007570000-0x0000000007A9C000-memory.dmp

Filesize
5.2MB

Download