stealc | 60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b

General

Target

60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe
Size

419KB
MD5

0b9795bc5978c62899793b157271e979
SHA1

d31405a2caf535d882fe873473df1badd7d5d028
SHA256

60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b
SHA512

ba7054eaa9ae5eb5a17fbb30a9ed0200cc11fee439d7795b6e78ea8fce3c5592ed6710eac1ecf5396ece510cf4972ae870e16de38af17580586cc39d0ad2387e
SSDEEP

12288:K3r16Nwm9j++TwWOQzHfFlQps+QMUoF9AFs7:K71wF++TLOYFl9MUo7AFs7

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://92.255.57.89

Attributes

url_path
/45c616e921a794b8.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2972	2A2.tmp.exe

Loads dropped DLL 5 IoCs

pid	Process
2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe
2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe
2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe
2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe
2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2A2.tmp.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2A2.tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2A2.tmp.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2972	2A2.tmp.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2972	2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe	31
PID 2076 wrote to memory of 2972	2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe	31
PID 2076 wrote to memory of 2972	2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe	31
PID 2076 wrote to memory of 2972	2076	60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe	31

C:\Users\Admin\AppData\Local\Temp\60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe
"C:\Users\Admin\AppData\Local\Temp\60af68dc8e940dae29691baa206ab9638bcff227b814c6cc33420edc0b3ac80b.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\2A2.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\2A2.tmp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\2A2.tmp.exe

Filesize
297KB

MD5
9d773e345dca0487c5654a92e6340baa

SHA1
6db3a6b22e452ff6ba55bb28d78dca1ea0fdea6a

SHA256
176ee771c395dc6748a4c973a15d53a5d68b9704989349a862714e4bdc0f9fda

SHA512
a8d94374d51141fd9654e960e6b1f28fc10ace788bee77db1efe01aa1a3020cb7f53230238b832be1ebadfa73076ac51157d1c18175abee0fe66566a3d6786ac

Download Submit
memory/2076-23-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download
memory/2076-2-0x00000000002A0000-0x0000000000305000-memory.dmp

Filesize
404KB

Download
memory/2076-4-0x00000000009D0000-0x0000000000AD0000-memory.dmp

Filesize
1024KB

Download
memory/2076-6-0x00000000002A0000-0x0000000000305000-memory.dmp

Filesize
404KB

Download
memory/2076-5-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download
memory/2076-7-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2076-3-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2076-1-0x00000000009D0000-0x0000000000AD0000-memory.dmp

Filesize
1024KB

Download
memory/2076-22-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download
memory/2076-47-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download
memory/2972-46-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2972-45-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2972-54-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2972-60-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2972-62-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download

Analysis

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