stealc | 91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11/12/2024, 02:58

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General

Target

91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe
Size

420KB
MD5

c3108cefdf629f631dbba54af7124abc
SHA1

c9f7a200239da2e89ba8da6afae7fc87cf19537c
SHA256

91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841
SHA512

5afcfff2041b4db85818097e453e6da7c1fb5e378688beeb50b06287b456fe82eee7020b38d37e03f9ee28383210e6a266f3ce86d07075bcf9467efd704ebb58
SSDEEP

6144:9tG76pKx44R/AdKguTHgQ5pe0stxs9D1Et7IqCARIICAblFC:54RuuTHgQ5+UZ1WCAmDM

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

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
2900	E16C.tmp.exe

Loads dropped DLL 5 IoCs

pid	Process
2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe
2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe
2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe
2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe
2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe

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	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	E16C.tmp.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2900	2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe	32
PID 2556 wrote to memory of 2900	2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe	32
PID 2556 wrote to memory of 2900	2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe	32
PID 2556 wrote to memory of 2900	2556	91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe	32

C:\Users\Admin\AppData\Local\Temp\91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe
"C:\Users\Admin\AppData\Local\Temp\91171af67f002002c7845dfc79d87ebdf86badd5c5f91727d00405d5638ab841.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Users\Admin\AppData\Local\Temp\E16C.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\E16C.tmp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\E16C.tmp.exe

Filesize
297KB

MD5
9d773e345dca0487c5654a92e6340baa

SHA1
6db3a6b22e452ff6ba55bb28d78dca1ea0fdea6a

SHA256
176ee771c395dc6748a4c973a15d53a5d68b9704989349a862714e4bdc0f9fda

SHA512
a8d94374d51141fd9654e960e6b1f28fc10ace788bee77db1efe01aa1a3020cb7f53230238b832be1ebadfa73076ac51157d1c18175abee0fe66566a3d6786ac

Download Submit
memory/2556-1-0x0000000000C90000-0x0000000000D90000-memory.dmp

Filesize
1024KB

Download
memory/2556-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2556-3-0x0000000000400000-0x0000000000841000-memory.dmp

Filesize
4.3MB

Download
memory/2556-17-0x0000000000C90000-0x0000000000D90000-memory.dmp

Filesize
1024KB

Download
memory/2556-19-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2556-18-0x0000000000400000-0x0000000000841000-memory.dmp

Filesize
4.3MB

Download
memory/2556-43-0x0000000000400000-0x0000000000841000-memory.dmp

Filesize
4.3MB

Download
memory/2900-41-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2900-40-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2900-42-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download