sharpstealer | 05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 01:20

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General

Target

05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5N.exe
Size

4.1MB
MD5

67e8b6db3a3d5583a5cbe684159f8270
SHA1

21fff27a12c542129cde65b30d62e0a3bf7f938a
SHA256

05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5
SHA512

979f3e3124f1bd11c2a9f2737bb234475147b4d3ddc016eebe9bbe555faa22ffa1b22f977627cdbf7d49a4d6e76662b0cdaf21e63ec89c2a8409182b3b55d9c2
SSDEEP

98304:NVqahL/HcZbhauXhu+uWB2o2M1Kilm8tMwjqCsXbiDzn4R:Xp/8ZY1+uWpbBew+bbGzn4R

Score

10^/10

sharpstealer credential_access discovery spyware stealer

Malware Config

Extracted

Family

sharpstealer

https://api.telegram.org/bot7033943272:AAEy3-KvA1Fs-OvRqrwvT_CCCGrdb1J7SuU/sendMessage?chat_id=7423795300

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
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

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5N.exe

Executes dropped EXE 1 IoCs

pid	Process
1084	windows.exe

Loads dropped DLL 1 IoCs

pid	Process
1084	windows.exe

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

Looks up external IP address via web service 5 IoCs

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

flow	ioc
7	freegeoip.app
11	freegeoip.app
12	ip-api.com
3	api.ipify.org
4	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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 1 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	05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5N.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	windows.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	windows.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1084	windows.exe
1084	windows.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1084	windows.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1084	2856	05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5N.exe	82
PID 2856 wrote to memory of 1084	2856	05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5N.exe	82

C:\Users\Admin\AppData\Local\Temp\05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5N.exe
"C:\Users\Admin\AppData\Local\Temp\05e90b50651e280d9bb42884b8bceda3fc64925c4fa962b9b1b95eb97c3e3ed5N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\windows.exe
  "C:\Users\Admin\AppData\Local\Temp\windows.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1084

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\055ef2f0-88f0-4e78-b6e3-99ad877d156e

Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
C:\Users\Admin\AppData\Local\Temp\BouncyCastle.Crypto.dll

Filesize
3.2MB

MD5
0cf454b6ed4d9e46bc40306421e4b800

SHA1
9611aa929d35cbd86b87e40b628f60d5177d2411

SHA256
e51721dc0647f4838b1abc592bd95fd8cb924716e8a64f83d4b947821fa1fa42

SHA512
85262f1bc67a89911640f59a759b476b30ca644bd1a1d9cd3213cc8aae16d7cc6ea689815f19b146db1d26f7a75772ceb48e71e27940e3686a83eb2cf7e46048

Download Submit
C:\Users\Admin\AppData\Local\Temp\Newtonsoft.Json.dll

Filesize
695KB

MD5
195ffb7167db3219b217c4fd439eedd6

SHA1
1e76e6099570ede620b76ed47cf8d03a936d49f8

SHA256
e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d

SHA512
56eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\SQLite.Interop.dll

Filesize
1.7MB

MD5
a73fdfb6815b151848257eca042a42ef

SHA1
73f18e6b4d1f638e7ce2a7ad36635018482f2c55

SHA256
10c9ccec863ed80850c7b7080e4f2e34b133ce259d1ae3ea7a305cebf6e2940d

SHA512
111f5a7bd916ab317fc127cbf49a2a81c2a614ce3a655a0446f2ebf3c2e61509db5633a391bef06c4ba0b58a71c752262ec2467a09abc56827263c647b08a09d

Download Submit
C:\Users\Admin\AppData\Local\Temp\System.Data.SQLite.dll

Filesize
402KB

MD5
b0911d27918a1e20088b4e6b6ec29ad3

SHA1
93a285c96a4d391ea4fe6655caaa0bbf2ee52683

SHA256
24043ef4472d9d035cd1a8294f68d2bbfdf76f5455af80c09c89e64f6ed15917

SHA512
518da2e73b849be38570d7db218adeb47f85fde89c15dac577eb1446a9a55bb4cfaf31d371428b9c4f0c69c0be3e2cb10fafcadbec24e8ab793b639392e3f029

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp91A9.tmp.dat

Filesize
116KB

MD5
f70aa3fa04f0536280f872ad17973c3d

SHA1
50a7b889329a92de1b272d0ecf5fce87395d3123

SHA256
8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

SHA512
30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp91D0.tmp.dat

Filesize
124KB

MD5
9618e15b04a4ddb39ed6c496575f6f95

SHA1
1c28f8750e5555776b3c80b187c5d15a443a7412

SHA256
a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab

SHA512
f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26

Download Submit
C:\Users\Admin\AppData\Local\Temp\windows.exe

Filesize
396KB

MD5
7451dac95cd97320069dd60b4bd46b4a

SHA1
718d8b77706db110ea8758fb3d0f6b647e3b9fe2

SHA256
a1966e46f15a2aa563e08e1f92c4aedefe5ca019db5e7033f78a38fd461a59a3

SHA512
495082a54dacd011a1c0d8c66527606a632bdc08b3c89503c2f180e27d2a3fd5936833d175177e8122e8fbb0b91a74857ad3adb77090e09315b746d26362e67c

Download Submit
C:\Новая папка\Process.txt

Filesize
1KB

MD5
1419757a922f35006a988b9a9cb41a3d

SHA1
ff8f4bdacf32dcef2e637044064c3234199062a5

SHA256
06ed522194bd98f4c242e43b7c050e1b9b124cba120facc10566b9ee9ddda8d4

SHA512
f9cb2b511dedbc599fc3e4c6e89d0fa6418cd28676cb8e7a3281587e76e79fe63a347547b4b5a693c30e06c2d695473d3c75a22eff742b2698844c783a50e97c

Download Submit
memory/1084-22-0x00007FFCA3790000-0x00007FFCA4251000-memory.dmp

Filesize
10.8MB

Download
memory/1084-96-0x000001F0AB350000-0x000001F0AB376000-memory.dmp

Filesize
152KB

Download
memory/1084-87-0x000001F0AB5D0000-0x000001F0AB636000-memory.dmp

Filesize
408KB

Download
memory/1084-85-0x000001F0AB450000-0x000001F0AB4A0000-memory.dmp

Filesize
320KB

Download
memory/1084-84-0x000001F0AB510000-0x000001F0AB5C2000-memory.dmp

Filesize
712KB

Download
memory/1084-20-0x00007FFCA3793000-0x00007FFCA3795000-memory.dmp

Filesize
8KB

Download
memory/1084-94-0x000001F0AB970000-0x000001F0ABC9E000-memory.dmp

Filesize
3.2MB

Download
memory/1084-88-0x000001F0AB380000-0x000001F0AB3A2000-memory.dmp

Filesize
136KB

Download
memory/1084-95-0x000001F0AB680000-0x000001F0AB6BA000-memory.dmp

Filesize
232KB

Download
memory/1084-21-0x000001F090A70000-0x000001F090ADA000-memory.dmp

Filesize
424KB

Download
memory/1084-98-0x000001F0ACA20000-0x000001F0ACBE2000-memory.dmp

Filesize
1.8MB

Download
memory/1084-106-0x00007FFCA3790000-0x00007FFCA4251000-memory.dmp

Filesize
10.8MB

Download
memory/1084-82-0x000001F0AB3D0000-0x000001F0AB446000-memory.dmp

Filesize
472KB

Download
memory/1084-191-0x000001F0AB640000-0x000001F0AB65E000-memory.dmp

Filesize
120KB

Download
memory/1084-193-0x00007FFCA3790000-0x00007FFCA4251000-memory.dmp

Filesize
10.8MB

Download