stealc | 3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2

General

Target

3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
Size

231KB
MD5

03bd785a3bde97195324c1c6b1b0d806
SHA1

a7ccfd637373d7385251eb9b826b3bc9fc1e43dc
SHA256

3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2
SHA512

73009db5fe604232ed00d717f28f5dac9a796431a579a725cfdaa79f1d9676954b7ca556f19221362b2b9ed54e5022d49dbd3fe26505fa240740c9e84824a1b3
SSDEEP

3072:kU6PGZZArvsOGP58Q6W+imc2uXrkkhRMGRJRVa17tg20zDe5:uAvO+R6WFXbRxRJRzRzD

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.151

Attributes

url_path
/7043a0c6a68d9c65.php

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
336	4596	WerFault.exe	90

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
4596	3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe

C:\Users\Admin\AppData\Local\Temp\3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe
"C:\Users\Admin\AppData\Local\Temp\3295c7007844215c64b9b2cdcd9cdbf3547265b90f759a6ecf317e88735d5fd2.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 2096
  2⤵
  - Program crash
  PID:336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:3
1⤵
PID:1084

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3964 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4596 -ip 4596
1⤵
PID:4268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Are.docx

Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Download Submit
memory/4596-47-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/4596-45-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

Filesize
1024KB

Download
memory/4596-46-0x0000000000A50000-0x0000000000A77000-memory.dmp

Filesize
156KB

Download
memory/4596-1-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

Filesize
1024KB

Download
memory/4596-44-0x0000000000400000-0x0000000000790000-memory.dmp

Filesize
3.6MB

Download
memory/4596-5-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4596-4-0x0000000000400000-0x0000000000790000-memory.dmp

Filesize
3.6MB

Download
memory/4596-84-0x0000000000400000-0x0000000000790000-memory.dmp

Filesize
3.6MB

Download
memory/4596-3-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/4596-101-0x0000000000400000-0x0000000000790000-memory.dmp

Filesize
3.6MB

Download
memory/4596-2-0x0000000000A50000-0x0000000000A77000-memory.dmp

Filesize
156KB

Download
memory/4596-107-0x0000000000400000-0x0000000000790000-memory.dmp

Filesize
3.6MB

Download
memory/4596-110-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download

Analysis

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