sharpstealer | 07a97ead754a2e394483fb32eec4f6f2cb063d497089ef1fb03b942b6a371d03

Analysis

max time kernel
149s
max time network
278s
platform
windows10-2004_x64
resource
win10v2004-20240802-uk
resource tags

arch:x64arch:x86image:win10v2004-20240802-uklocale:uk-uaos:windows10-2004-x64systemwindows
submitted
17/08/2024, 19:50

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General

Target

superiorityFix‮lld..scr
Size

7.9MB
MD5

be92f99f33ee6550e6f8c43b2ee1fe03
SHA1

f8521a26ea702df23985af4b43e59119c8895544
SHA256

07a97ead754a2e394483fb32eec4f6f2cb063d497089ef1fb03b942b6a371d03
SHA512

bf8a5600e2e0782075e7d52c6936a0045bc53bf8210136fc60f1966b76856f450e0ad755edd3f07e7274ca57c1e043ddd96ea23c128286d774a9e9b84ad1d37e
SSDEEP

98304:GaslCx7oFJWk5THpvT3L7mn5Uz8203h/R2dt5TinhX:G3CKnWQTH5m5UbaZcpTi

Score

10^/10

sharpstealer credential_access discovery spyware stealer

Malware Config

Extracted

Family

sharpstealer

https://api.telegram.org/bot7033911549:AAFm822dQHF6seFxiy7DwDnEM71DQula7cY/sendMessage?chat_id=6942274023

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 2 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	superiorityFix‮lld..scr
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	LocalqufdyMhDsk.exe

Executes dropped EXE 2 IoCs

pid	Process
2964	LocalqufdyMhDsk.exe
468	windows.exe

Loads dropped DLL 1 IoCs

pid	Process
468	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	api.ipify.org
21	api.ipify.org
24	freegeoip.app
25	ip-api.com
26	freegeoip.app

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	LocalqufdyMhDsk.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	windows.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	windows.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
468	windows.exe
468	windows.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	windows.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 2964	1084	superiorityFix‮lld..scr	84
PID 1084 wrote to memory of 2964	1084	superiorityFix‮lld..scr	84
PID 1084 wrote to memory of 2964	1084	superiorityFix‮lld..scr	84
PID 2964 wrote to memory of 468	2964	LocalqufdyMhDsk.exe	88
PID 2964 wrote to memory of 468	2964	LocalqufdyMhDsk.exe	88

C:\Users\Admin\AppData\Local\Temp\superiorityFix‮lld..scr
"C:\Users\Admin\AppData\Local\Temp\superiorityFix‮lld..scr" /S
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\LocalqufdyMhDsk.exe
  "C:\Users\Admin\AppData\LocalqufdyMhDsk.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Users\Admin\AppData\Local\Temp\windows.exe
    "C:\Users\Admin\AppData\Local\Temp\windows.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:468

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\868c94f9-8c5e-4f20-b752-8573974db397

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\tmp9860.tmp.dat

Filesize
116KB

MD5
f70aa3fa04f0536280f872ad17973c3d

SHA1
50a7b889329a92de1b272d0ecf5fce87395d3123

SHA256
8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

SHA512
30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9867.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
2faf9f22db741b5aa08f154827a989f6

SHA1
441c6773c370df023e8cc7ad2f09a71662f69d87

SHA256
2c80a1708464ab129dca397ae4576a285e6bd553ec810f7e4e6a61801ecc2b18

SHA512
96a51b02adb518bc13e38d5e06b9c3f05f0da84c89c72a181a1082e552196e886ad4a7f8a27281e00e44b36c14d31ac8088eb71237c04460308d30a2609cd50c

Download Submit
C:\Users\Admin\AppData\LocalqufdyMhDsk.exe

Filesize
4.1MB

MD5
3b255d9bfc63ddf4bf11dc46ac0ca230

SHA1
f6b5abb79b2a3c2d626ef0a8afbd7ecd4669f8bd

SHA256
daf4826e3300ecaab08f0af439151dc6b0603633994bad62df7c34e92dc52dc3

SHA512
5582c96ec5def8b82949a7c4a18dd7551889e764bf802d990847d8189131a457b34bb6f748a0217808725862fd2d6ad95f4fd35af769a424109cc30fc44466d3

Download Submit
C:\Новая папка\Process.txt

Filesize
744B

MD5
2abd5d8398c76a78b6c29767080902de

SHA1
5015e55117fd68733a6c307fdfa40ebe4ef23cb9

SHA256
760bf1a38b2db9d6a6512239041dfe284a0e52e11dcf6544ac0c77885b528b90

SHA512
cee01f2ace7d76175d883321b193236e9c0c94c07c067083a09e212718977c5decc1c6638447461a08170fcbe20c60b5658c6edd7501c57cefd811c5411745e0

Download Submit
C:\Новая папка\Process.txt

Filesize
1KB

MD5
557fd48264703582875b5797bcb1ee59

SHA1
a41e0e543a254a9be008d2341f65887323f71df2

SHA256
22724ab90f5fbd1e03a1b53ab9f1d1fce4263c0062368e72ba694c23446343c4

SHA512
41653d8b0c09e88a5cd9f7521c6518284cb465ee743f72d1908d663417c4dc0f95df0fb5d04b6e4a75fa86afe465f98a2604d4ba1404295a8973a777a72f086a

Download Submit
C:\Новая папка\Process.txt

Filesize
1KB

MD5
3be985ba45cdc9c24ef5311851df3f27

SHA1
2d8d4015d88b38fa7af518ae97f2cc6dffc5bc1e

SHA256
31109eb51b533c18ad7078a71a5b07939c40b95224d1b661eb6a991ec06f1284

SHA512
0758bfcac56b634a9c7045f5e4e6e2e5c77741445b53abfa9755842a6d50faf4be5607db62389fd85093a62ed0b42007fd9508966f298a3baa7aaf22edc6ccba

Download Submit
memory/468-98-0x0000014C7CCC0000-0x0000014C7CCE2000-memory.dmp

Filesize
136KB

Download
memory/468-107-0x0000014C7CDC0000-0x0000014C7CDFA000-memory.dmp

Filesize
232KB

Download
memory/468-224-0x00007FF86BAB3000-0x00007FF86BAB5000-memory.dmp

Filesize
8KB

Download
memory/468-97-0x0000014C7CD40000-0x0000014C7CDB6000-memory.dmp

Filesize
472KB

Download
memory/468-100-0x0000014C7CE30000-0x0000014C7CE96000-memory.dmp

Filesize
408KB

Download
memory/468-95-0x0000014C7CC00000-0x0000014C7CCB2000-memory.dmp

Filesize
712KB

Download
memory/468-102-0x0000014C7D540000-0x0000014C7D86E000-memory.dmp

Filesize
3.2MB

Download
memory/468-35-0x0000014C7A1F0000-0x0000014C7A25A000-memory.dmp

Filesize
424KB

Download
memory/468-108-0x0000014C7BFD0000-0x0000014C7BFF6000-memory.dmp

Filesize
152KB

Download
memory/468-96-0x0000014C7CB90000-0x0000014C7CBE0000-memory.dmp

Filesize
320KB

Download
memory/468-112-0x0000014C7E500000-0x0000014C7E6C2000-memory.dmp

Filesize
1.8MB

Download
memory/468-34-0x00007FF86BAB3000-0x00007FF86BAB5000-memory.dmp

Filesize
8KB

Download
memory/468-208-0x0000014C7CCF0000-0x0000014C7CD0E000-memory.dmp

Filesize
120KB

Download
memory/1084-3-0x00007FF877BD0000-0x00007FF878571000-memory.dmp

Filesize
9.6MB

Download
memory/1084-1-0x00007FF877BD0000-0x00007FF878571000-memory.dmp

Filesize
9.6MB

Download
memory/1084-13-0x00007FF877BD0000-0x00007FF878571000-memory.dmp

Filesize
9.6MB

Download
memory/1084-0-0x00007FF877E85000-0x00007FF877E86000-memory.dmp

Filesize
4KB

Download