stealerium | 7fa2cbb4db7eff2cc8c83db3f79db6d7a23993148798ca3e4bab14dc29da9494

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/09/2024, 19:29

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General

Target

SynapseXRemake.exe
Size

1.6MB
MD5

ef75bc7524a8ad11089bc56829b087fe
SHA1

5db3066c40179490935683beac9247ac0beaf455
SHA256

7fa2cbb4db7eff2cc8c83db3f79db6d7a23993148798ca3e4bab14dc29da9494
SHA512

72c741d8327f3a075a54c89ba68ed4971affc3483cbfd1914c4425674741056a78885b0aa5afc6306d3b5177bb1621f66a5f2ac90754fd34c45193cb5aba29a3
SSDEEP

24576:Ai2Q9NXw2/wPOjdGxY2rJxkqjVnlqud+/2P+A+ZecdyFoBkkAqmZywN0n:/Tq24GjdGSiJxkqXfd+/9AqYanCLN

Score

10^/10

stealerium collection credential_access discovery persistence privilege_escalation spyware stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1285308086579626026/vuWqBK8vW-2y76DZHwa-OUHKbJ7q1EDyJK52TSpHjSo8rKpj--z6l_OjPQqWZnTcZ3sA

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SynapseXRemake.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SynapseXRemake.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SynapseXRemake.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	discord.com
5	discord.com

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
8	icanhazip.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2016	2292	WerFault.exe	27

System Location Discovery: System Language Discovery 1 TTPs 8 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	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SynapseXRemake.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
2328	cmd.exe
1920	netsh.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	SynapseXRemake.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	SynapseXRemake.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2292	SynapseXRemake.exe
2292	SynapseXRemake.exe
2292	SynapseXRemake.exe
2292	SynapseXRemake.exe
2292	SynapseXRemake.exe
2292	SynapseXRemake.exe
2292	SynapseXRemake.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	SynapseXRemake.exe
Token: SeRestorePrivilege	1068	msiexec.exe
Token: SeTakeOwnershipPrivilege	1068	msiexec.exe
Token: SeSecurityPrivilege	1068	msiexec.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2328	2292	SynapseXRemake.exe	29
PID 2292 wrote to memory of 2328	2292	SynapseXRemake.exe	29
PID 2292 wrote to memory of 2328	2292	SynapseXRemake.exe	29
PID 2292 wrote to memory of 2328	2292	SynapseXRemake.exe	29
PID 2328 wrote to memory of 2748	2328	cmd.exe	31
PID 2328 wrote to memory of 2748	2328	cmd.exe	31
PID 2328 wrote to memory of 2748	2328	cmd.exe	31
PID 2328 wrote to memory of 2748	2328	cmd.exe	31
PID 2328 wrote to memory of 1920	2328	cmd.exe	32
PID 2328 wrote to memory of 1920	2328	cmd.exe	32
PID 2328 wrote to memory of 1920	2328	cmd.exe	32
PID 2328 wrote to memory of 1920	2328	cmd.exe	32
PID 2328 wrote to memory of 1264	2328	cmd.exe	33
PID 2328 wrote to memory of 1264	2328	cmd.exe	33
PID 2328 wrote to memory of 1264	2328	cmd.exe	33
PID 2328 wrote to memory of 1264	2328	cmd.exe	33
PID 2292 wrote to memory of 2468	2292	SynapseXRemake.exe	35
PID 2292 wrote to memory of 2468	2292	SynapseXRemake.exe	35
PID 2292 wrote to memory of 2468	2292	SynapseXRemake.exe	35
PID 2292 wrote to memory of 2468	2292	SynapseXRemake.exe	35
PID 2468 wrote to memory of 588	2468	cmd.exe	37
PID 2468 wrote to memory of 588	2468	cmd.exe	37
PID 2468 wrote to memory of 588	2468	cmd.exe	37
PID 2468 wrote to memory of 588	2468	cmd.exe	37
PID 2468 wrote to memory of 2968	2468	cmd.exe	38
PID 2468 wrote to memory of 2968	2468	cmd.exe	38
PID 2468 wrote to memory of 2968	2468	cmd.exe	38
PID 2468 wrote to memory of 2968	2468	cmd.exe	38
PID 2292 wrote to memory of 2016	2292	SynapseXRemake.exe	40
PID 2292 wrote to memory of 2016	2292	SynapseXRemake.exe	40
PID 2292 wrote to memory of 2016	2292	SynapseXRemake.exe	40
PID 2292 wrote to memory of 2016	2292	SynapseXRemake.exe	40

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SynapseXRemake.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SynapseXRemake.exe

C:\Users\Admin\AppData\Local\Temp\SynapseXRemake.exe
"C:\Users\Admin\AppData\Local\Temp\SynapseXRemake.exe"
1⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2292
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Wi-Fi Discovery
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2748
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:1920
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1264
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:588
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 1044
  2⤵
  - Program crash
  PID:2016

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\19b1fe0ae6f36e118b32f76750829cf7\Admin@KHBTHJFA_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\19b1fe0ae6f36e118b32f76750829cf7\Admin@KHBTHJFA_en-US\Directories\Startup.txt

Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\19b1fe0ae6f36e118b32f76750829cf7\Admin@KHBTHJFA_en-US\Directories\Videos.txt

Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\19b1fe0ae6f36e118b32f76750829cf7\Admin@KHBTHJFA_en-US\System\Apps.txt

Filesize
4KB

MD5
cd17153f4bb2ff78fd95b77ddcecc448

SHA1
3e4000b59d2005214c4ab7c35d4e21178a1ede73

SHA256
5d177860c6298564566652a095fc48d49e8e05f162e1c9f3457e4ef85d337238

SHA512
93893228e63a17dc3abf9a8c14fe6451565d1191d884a92cea91ae829bf4c2124d721ac1e2dd05b2f07722fa716ef3261d5213b224fe591628d9a5ae438add9d

Download Submit
C:\Users\Admin\AppData\Local\19b1fe0ae6f36e118b32f76750829cf7\Admin@KHBTHJFA_en-US\System\Debug.txt

Filesize
293B

MD5
53395c00dff7880acb248519c1c399f3

SHA1
ccae07d566f4c3493e25de3108bb22c7a5e654c8

SHA256
ad08354ca07c7a7b56cd3cffdef5cada34ae3b3bbfc83a12a667eb169670ad17

SHA512
11e54a3a86157a8a2e6f63494ea03bbfbb1b1da8a7ad58dbef0fa1e0eb07fb0586a1983db4be835943966d0f0f6ce0ff9e7be8b73593720a87f7a364543efd70

Download Submit
C:\Users\Admin\AppData\Local\19b1fe0ae6f36e118b32f76750829cf7\Admin@KHBTHJFA_en-US\System\ProductKey.txt

Filesize
29B

MD5
cad6c6bee6c11c88f5e2f69f0be6deb7

SHA1
289d74c3bebe6cca4e1d2e084482ad6d21316c84

SHA256
dc288491fadc4a85e71085890e3d6a7746e99a317cd5ef09a30272dfb10398c0

SHA512
e02cf6bff8b4ebd7a1346ecb1667be36c3ef7415fff77c3b9cfb370f3d0dc861f74d3e0e49065699850ba6cc025cd68d14ceb73f3b512c2a9b28873a69aff097

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabBA0E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarBA40.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2292-6-0x00000000007B0000-0x00000000007D6000-memory.dmp

Filesize
152KB

Download
memory/2292-43-0x0000000004240000-0x000000000425E000-memory.dmp

Filesize
120KB

Download
memory/2292-42-0x0000000004230000-0x0000000004238000-memory.dmp

Filesize
32KB

Download
memory/2292-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/2292-118-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/2292-41-0x00000000021E0000-0x00000000021EA000-memory.dmp

Filesize
40KB

Download
memory/2292-163-0x0000000006790000-0x000000000680A000-memory.dmp

Filesize
488KB

Download
memory/2292-164-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2292-5-0x0000000004660000-0x0000000004700000-memory.dmp

Filesize
640KB

Download
memory/2292-2-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2292-1-0x0000000000340000-0x00000000004D6000-memory.dmp

Filesize
1.6MB

Download
memory/2292-228-0x0000000006F40000-0x0000000006FF2000-memory.dmp

Filesize
712KB

Download