echelon | 77189b22dfb8238a4837f95e3283150bca8105d618cc421cde8170644bcf878b

General

Target

c58af9384d71e33bae1d8a032d9e7b19.exe
Size

4.0MB
MD5

c58af9384d71e33bae1d8a032d9e7b19
SHA1

15bd308104a7b2d05ba9fd03b3a4c5410afabc56
SHA256

77189b22dfb8238a4837f95e3283150bca8105d618cc421cde8170644bcf878b
SHA512

ac80eb00dcf2aec8a56e071281030b9c3ec57460b2a2c59b8db43ce51a60465a419ed1e5f887d7e2d8b41c0aaca226244bb52e7c72cccf44f477fcdad03aa3e8
SSDEEP

49152:PSzzgkLJWvg/RdFy7/QhWwALywBDyVt4kWzzwskrk4NZXuMk6o9ufAXV4AK:

Score

10^/10

echelon zgrat rat spyware stealer

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/988-96-0x0000000004BD0000-0x0000000004C6C000-memory.dmp	family_zgrat_v1
behavioral2/memory/988-102-0x0000000005470000-0x000000000550A000-memory.dmp	family_zgrat_v1

Detects Echelon Stealer payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\ChromeCache\ChromeCache.exe	family_echelon
behavioral2/memory/4984-7-0x0000000000890000-0x0000000000A14000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

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

Processes:

ChromeCache.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	ChromeCache.exe

Executes dropped EXE 2 IoCs

Processes:

ChromeCache.exeDecoder.exe

pid process

4984 ChromeCache.exe
988 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
T1552.001
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

35 api.ipify.org
36 api.ipify.org
69 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2536 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ChromeCache.exe

pid process

4984 ChromeCache.exe
4984 ChromeCache.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ChromeCache.exeDecoder.exe

description pid process

Token: SeDebugPrivilege 4984 ChromeCache.exe
Token: SeDebugPrivilege 988 Decoder.exe

pid	process
4984	ChromeCache.exe
988	Decoder.exe

flow	ioc
35	api.ipify.org
36	api.ipify.org
69	ip-api.com

pid	process
2536	timeout.exe

pid	process
4984	ChromeCache.exe
4984	ChromeCache.exe

description	pid	process
Token: SeDebugPrivilege	4984	ChromeCache.exe
Token: SeDebugPrivilege	988	Decoder.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c58af9384d71e33bae1d8a032d9e7b19.exeChromeCache.execmd.exe

description	pid	process	target process
PID 1680 wrote to memory of 4984	1680	c58af9384d71e33bae1d8a032d9e7b19.exe	ChromeCache.exe
PID 1680 wrote to memory of 4984	1680	c58af9384d71e33bae1d8a032d9e7b19.exe	ChromeCache.exe
PID 4984 wrote to memory of 988	4984	ChromeCache.exe	Decoder.exe
PID 4984 wrote to memory of 988	4984	ChromeCache.exe	Decoder.exe
PID 4984 wrote to memory of 988	4984	ChromeCache.exe	Decoder.exe
PID 4984 wrote to memory of 4760	4984	ChromeCache.exe	cmd.exe
PID 4984 wrote to memory of 4760	4984	ChromeCache.exe	cmd.exe
PID 4760 wrote to memory of 2536	4760	cmd.exe	timeout.exe
PID 4760 wrote to memory of 2536	4760	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\c58af9384d71e33bae1d8a032d9e7b19.exe
"C:\Users\Admin\AppData\Local\Temp\c58af9384d71e33bae1d8a032d9e7b19.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Users\Admin\AppData\Roaming\ChromeCache\ChromeCache.exe
"C:\Users\Admin\AppData\Roaming\ChromeCache\ChromeCache.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4984

C:\ProgramData\Decoder.exe
"C:\ProgramData\Decoder.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:988

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
3⤵
- Suspicious use of WriteProcessMemory
PID:4760

C:\Windows\system32\timeout.exe
timeout 4
4⤵
- Delays execution with timeout.exe
PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Decoder.exe
Filesize
490KB

MD5
c29c0d495ed13e703f433d53bdffdab8

SHA1
74ed36e6b6027b61abcfe2956670ffd9de7fd71a

SHA256
20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

SHA512
fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

Download Submit
C:\Users\Admin\AppData\Local\Temp\.cmd
Filesize
85B

MD5
73712247036b6a24d16502c57a3e5679

SHA1
65ca9edadb0773fc34db7dfefe9e6416f1ac17fa

SHA256
8bd49d7e7e6b2c2dc16a4cb0eebb8f28892775fad56c9e4aaa22d59f01883cd0

SHA512
548eef10b0118f7d907fa19c12de68b47278afffb3eb9460621efb2b711ebcf6b90d0ea1c077fc480e032bf241fb3f8cc995ec1373e301446f89f1a74a6309de

Download Submit
C:\Users\Admin\AppData\Local\uPPPuLNJXHyH078BFBFF000306D22ED8715E54\54078BFBFF000306D22ED8715EuPPPuLNJXHyH\Browsers\Passwords\Passwords_Edge.txt
Filesize
401B

MD5
778ded02fee528236c356ac450b6e017

SHA1
faf1dda6c4cdded66dbff360e3719987fb112bbe

SHA256
6d2cd7b05481a6aa103e6bbc8c38566def147e17322ac9e9f3471c230b723047

SHA512
f58fa3996d71bb3ff9a809fe66d05dc188078d71a652df930653ee4f332ddd13958b86a462659961734637002227b17dc5f9d3174e21a75d1f03b40f416f0dd6

Download Submit
C:\Users\Admin\AppData\Local\uPPPuLNJXHyH078BFBFF000306D22ED8715E54\54078BFBFF000306D22ED8715EuPPPuLNJXHyH\Browsers\Passwords\Passwords_Edge.txt
Filesize
426B

MD5
42fa959509b3ed7c94c0cf3728b03f6d

SHA1
661292176640beb0b38dc9e7a462518eb592d27d

SHA256
870ef3d2370932a8938faa60abd47d75ea0af98bfa11c82ae8efe9e94fd8be00

SHA512
7def291737d081c93d0cc38ac8d3062fd34d93b68d191eb0d54e9857e0c0afdbcd241471a2e10c28ce8db3b1d1ae0dba2ef6f609cfe8a1e8fe1dd103dba80007

Download Submit
C:\Users\Admin\AppData\Roaming\ChromeCache\ChromeCache.exe
Filesize
1.5MB

MD5
ad2f6dd54f8a52708148b9fe50f7ede9

SHA1
20b3284ad569811a6f28a39a92b6da61d2713079

SHA256
59c3fc7329bf3f09b892d86419da8d1872dc2262683ec45b348a1c27993133b0

SHA512
7f2c297b294a20edf52e63eaf7311883295b6bd5c6cd14e839ba8174dabcb353df4536976ba680f647311cfc86f6952f82a0508a6b6dbfe03fbdac7a7e3b57af

Download Submit
memory/988-96-0x0000000004BD0000-0x0000000004C6C000-memory.dmp

Filesize
624KB

Download
memory/988-99-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/988-103-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/988-102-0x0000000005470000-0x000000000550A000-memory.dmp

Filesize
616KB

Download
memory/988-101-0x0000000004E70000-0x0000000005414000-memory.dmp

Filesize
5.6MB

Download
memory/988-100-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/988-98-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/988-97-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/988-95-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/988-94-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1680-1-0x00007FFC18B50000-0x00007FFC19611000-memory.dmp

Filesize
10.8MB

Download
memory/1680-2-0x000000001BB60000-0x000000001BB70000-memory.dmp

Filesize
64KB

Download
memory/1680-0-0x0000000000A90000-0x0000000000E90000-memory.dmp

Filesize
4.0MB

Download
memory/1680-10-0x00007FFC18B50000-0x00007FFC19611000-memory.dmp

Filesize
10.8MB

Download
memory/4984-93-0x00007FFC18B50000-0x00007FFC19611000-memory.dmp

Filesize
10.8MB

Download
memory/4984-7-0x0000000000890000-0x0000000000A14000-memory.dmp

Filesize
1.5MB

Download
memory/4984-33-0x000000001B650000-0x000000001B660000-memory.dmp

Filesize
64KB

Download
memory/4984-32-0x00007FFC18B50000-0x00007FFC19611000-memory.dmp

Filesize
10.8MB

Download
memory/4984-8-0x00007FFC18B50000-0x00007FFC19611000-memory.dmp

Filesize
10.8MB

Download
memory/4984-12-0x000000001BC60000-0x000000001BCD6000-memory.dmp

Filesize
472KB

Download
memory/4984-11-0x000000001B650000-0x000000001B660000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads