echelon | 83a299eef7ec3ed839ef8892b0d63fac6e38ab64fe4ca4ef293e090bf5e95e6c

Analysis

max time kernel
31s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
29-03-2023 16:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe
Size

1.5MB
MD5

9ec7eeab9d88c1dca684b1c619c78861
SHA1

921c158f3b40f25a58e78b6154d8c9a482563d88
SHA256

b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40
SHA512

4817dc4406adcc0a47aeaad62120862f62c58425e0790fed01e41dbe2f3be51febdce958355184b7984274befff884eeab26a5113363c5ae5037e4d03e580e04
SSDEEP

24576:pqvk70TrcnXpatsCu7IfLKZnikPhhUF54clNf7+6uHAW92zt/sWu2BSMCqDoRf:wkQTA5Qw7CSikJo54clgLH+tkWJ0NR

Score

10^/10

echelon spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

resource	yara_rule
behavioral1/memory/1416-54-0x00000000011C0000-0x0000000001344000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon

Executes dropped EXE 1 IoCs

pid	Process
572	Decoder.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
T1081

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
7	freegeoip.app
3	api.ipify.org
4	api.ipify.org
6	freegeoip.app

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	Decoder.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Decoder.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1956	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
572	Decoder.exe
572	Decoder.exe
572	Decoder.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe
Token: SeDebugPrivilege	572	Decoder.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 572	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe	29
PID 1416 wrote to memory of 572	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe	29
PID 1416 wrote to memory of 572	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe	29
PID 1416 wrote to memory of 572	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe	29
PID 1416 wrote to memory of 1804	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe	30
PID 1416 wrote to memory of 1804	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe	30
PID 1416 wrote to memory of 1804	1416	b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe	30
PID 1804 wrote to memory of 1956	1804	cmd.exe	32
PID 1804 wrote to memory of 1956	1804	cmd.exe	32
PID 1804 wrote to memory of 1956	1804	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe
"C:\Users\Admin\AppData\Local\Temp\b4de3be826cc5cbfcb56f0fb2afc683691a46083a6f3b15cc79ddc716633fb40.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416
- C:\ProgramData\Decoder.exe
  "C:\ProgramData\Decoder.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:572
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\system32\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Decoder.exe

Filesize
490KB

MD5
c29c0d495ed13e703f433d53bdffdab8

SHA1
74ed36e6b6027b61abcfe2956670ffd9de7fd71a

SHA256
20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

SHA512
fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

Download Submit
C:\ProgramData\Decoder.exe

Filesize
490KB

MD5
c29c0d495ed13e703f433d53bdffdab8

SHA1
74ed36e6b6027b61abcfe2956670ffd9de7fd71a

SHA256
20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

SHA512
fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

Download Submit
C:\Users\Admin\AppData\Local\ScallyMilano\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\ScallyMilano\ProcessList.txt

Filesize
208B

MD5
ef7a2760f0311611964ab0b8f5ed54cc

SHA1
02d93b2423e80ea2c92a4e331e1d5070f02fefbe

SHA256
8469d6d6e3aee02dae2a879dd467671d79e510239331247bc5d7b7c280c2a70f

SHA512
3d2e91921129c8c6619f4c67271f5a402bfc523080910ac97d8357bbe22a34e3008adb317b685abc477e0ce6cb601d04319207bb419da2b29494db6453ebbcd1

Download Submit
C:\Users\Admin\AppData\Local\Temp\.cmd

Filesize
28B

MD5
217407484aac2673214337def8886072

SHA1
0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

SHA256
467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

SHA512
8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

Download Submit
memory/572-105-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/572-130-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-70-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-71-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-73-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-75-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-79-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-77-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-81-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-83-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-85-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-87-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-89-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-91-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-93-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-95-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-108-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-100-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-103-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-68-0x00000000047F0000-0x000000000488C000-memory.dmp

Filesize
624KB

Download
memory/572-106-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-102-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/572-112-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-110-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-97-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-114-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-99-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/572-118-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-116-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-120-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-122-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-126-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-124-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-128-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-69-0x0000000002340000-0x00000000023DA000-memory.dmp

Filesize
616KB

Download
memory/572-132-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-134-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-136-0x0000000002340000-0x00000000023D4000-memory.dmp

Filesize
592KB

Download
memory/572-541-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/572-574-0x0000000004DB0000-0x0000000004E26000-memory.dmp

Filesize
472KB

Download
memory/572-582-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/572-586-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/572-587-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/1416-54-0x00000000011C0000-0x0000000001344000-memory.dmp

Filesize
1.5MB

Download
memory/1416-55-0x000000001A750000-0x000000001A7C6000-memory.dmp

Filesize
472KB

Download
memory/1416-56-0x000000001AF80000-0x000000001B000000-memory.dmp

Filesize
512KB

Download