sharpstealer | d5b0f260bc71c5d65d075add4186c15ac68d676191ad4cf207f95a8c0bcfb6bf

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 21:52

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General

Target

2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe
Size

396KB
MD5

4788afa2fd8b4d90e6fd1d18bbb88f48
SHA1

2f8021e35e775898244a0be54c5eb37ca6b65ea7
SHA256

d5b0f260bc71c5d65d075add4186c15ac68d676191ad4cf207f95a8c0bcfb6bf
SHA512

be06e5ceec0fbdb07025a6275a6af5a865a1d47d87dadafaf39230b6187caa0621f127297d1daed1298462ceb546a2012ee61c1a51f0f755d3be8e019faaba18
SSDEEP

6144:rbODqpwPEuxGH6OrwX3pwzZwEq7EtE6xBpgwSOm92BUz7BJwaPEqrPlTux0:ryPPDLOrwX3pwzZwGB7k2uvfwARI0

Score

10^/10

sharpstealer discovery spyware stealer

Malware Config

Extracted

Family

sharpstealer

https://api.telegram.org/bot7813335994:AAF06QjFbKeU5g2fyVosbcjJo-OGDToKI_0/sendMessage?chat_id=1713921305

Attributes

max_exfil_filesize
1.5e+06
proxy_port
168.235.103.57:3128
vime_world
false

aes.plain

Signatures

Sharp Stealer
Sharp Stealer is an infostealer first observed in 2024, based on Echelon and Umbral stealers.
stealer sharpstealer
Sharpstealer family
sharpstealer
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	freegeoip.app
7	freegeoip.app

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2888	2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2476	2888	2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe	30
PID 2888 wrote to memory of 2476	2888	2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe	30
PID 2888 wrote to memory of 2476	2888	2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe	30

C:\Users\Admin\AppData\Local\Temp\2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe
"C:\Users\Admin\AppData\Local\Temp\2f8021e35e775898244a0be54c5eb37ca6b65ea7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2888 -s 1788
  2⤵
  PID:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2888-0-0x000007FEF56D3000-0x000007FEF56D4000-memory.dmp

Filesize
4KB

Download
memory/2888-1-0x0000000000EB0000-0x0000000000F1A000-memory.dmp

Filesize
424KB

Download
memory/2888-2-0x000007FEF56D0000-0x000007FEF60BC000-memory.dmp

Filesize
9.9MB

Download
memory/2888-33-0x000007FEF56D3000-0x000007FEF56D4000-memory.dmp

Filesize
4KB

Download
memory/2888-34-0x000007FEF56D0000-0x000007FEF60BC000-memory.dmp

Filesize
9.9MB

Download