stealerium | 60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86af

General

Target

60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe
Size

1.6MB
MD5

43f0aa823c23bb7241d631c14353f110
SHA1

349f02fca22a5e95c431eef311a1bfec0fc22f2f
SHA256

60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86af
SHA512

d9a61f7af251d24a134ea6ff620577cd739a3df2946b7c22716dcb63cc3df8e03b8095d2960142abbd93d5b5b2e86afa863184bbbaee31862bdc359d172780a4
SSDEEP

49152:hkTq24GjdGSiqkqXfd+/9AqYanieKdsI:h1EjdGSiqkqXf0FLYW

Score

10^/10

stealerium discovery stealer

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1225052212011470899/G0QJCuCgsewiboSGsbwt30FSVi0QRAkc24PebWUdSTCst5Nh7j1voGoejqgwmabOAKQ6

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe

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

Web Service

T1102

flow	ioc
14	discord.com
15	discord.com

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 5 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	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3532	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1736	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3688	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3688	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe
Token: SeDebugPrivilege	1736	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 224	3688	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe	86
PID 3688 wrote to memory of 224	3688	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe	86
PID 3688 wrote to memory of 224	3688	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe	86
PID 224 wrote to memory of 1972	224	cmd.exe	88
PID 224 wrote to memory of 1972	224	cmd.exe	88
PID 224 wrote to memory of 1972	224	cmd.exe	88
PID 224 wrote to memory of 1736	224	cmd.exe	89
PID 224 wrote to memory of 1736	224	cmd.exe	89
PID 224 wrote to memory of 1736	224	cmd.exe	89
PID 224 wrote to memory of 3532	224	cmd.exe	90
PID 224 wrote to memory of 3532	224	cmd.exe	90
PID 224 wrote to memory of 3532	224	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe
"C:\Users\Admin\AppData\Local\Temp\60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpB3EE.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1972
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 3688
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1736
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB3EE.tmp.bat

Filesize
57B

MD5
a3773e00cc2ee1e5367736ba5caafcf9

SHA1
974c1ef7a9600d2990b4b3016a2341b85401b099

SHA256
92e973b57b510d4bae15584ee95bafd2b4778d11126f1cfa5bbdebfab1a5dfb4

SHA512
482dc2b07a49f530f2a1c871d6f574d5afa213c85801bb0bc8554f35409df9a205f26a0916b9ef464927c2569a0ab1cefd1c8981a760695e5b11afc2628a4aef

Download Submit
memory/3688-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/3688-1-0x0000000000DA0000-0x0000000000F32000-memory.dmp

Filesize
1.6MB

Download
memory/3688-2-0x00000000058D0000-0x0000000005936000-memory.dmp

Filesize
408KB

Download
memory/3688-3-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/3688-6-0x0000000005E50000-0x0000000005EE2000-memory.dmp

Filesize
584KB

Download
memory/3688-7-0x0000000005EE0000-0x0000000005F06000-memory.dmp

Filesize
152KB

Download
memory/3688-8-0x0000000005F10000-0x0000000005F18000-memory.dmp

Filesize
32KB

Download
memory/3688-13-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download

Analysis

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