raccoon | ab6514aa27db11b62a1926a12c5e0b464a42689b6e1c45b8760ca55b04f0bf16

General

Target

setupsoftapp19.0.exe
Size

15.0MB
MD5

465334c2b23d57f4db274488dd9f279b
SHA1

42983b3bf96d8fb4c8e1a2706cf89e55e66a6a16
SHA256

ab6514aa27db11b62a1926a12c5e0b464a42689b6e1c45b8760ca55b04f0bf16
SHA512

1a47ab31c761470e73f9f60951b8742f81910fb0e38ad71e5e05d81982de1564c8f95c846308c3cf0cb63af7d154725c5af2ecb895f6ddc79978c3d0755c6397
SSDEEP

98304:SIAzUE2bRCunvAdP4lLBYHHm/+MJXzdG7cLwE0xYhrRx4S/HzL71hY:SIKU4uodQjAUJxG7c0EIYJ/4S/TL70

Score

10^/10

raccoon 3f4a8564e5026a245d6974b020b3f6de persistence spyware stealer

Malware Config

Extracted

Family

raccoon

Botnet

3f4a8564e5026a245d6974b020b3f6de

C2

http://45.15.156.225/

rc4.plain

Signatures

Raccoon
Raccoon is an infostealer written in C++ and first seen in 2019.
stealer raccoon
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

2mjE3Uwv.exentlhost.exe

pid process

4360 2mjE3Uwv.exe
4364 ntlhost.exe
Loads dropped DLL 3 IoCs

Processes:

InstallUtil.exe

pid process

1592 InstallUtil.exe
1592 InstallUtil.exe
1592 InstallUtil.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
4360	2mjE3Uwv.exe
4364	ntlhost.exe

pid	process
1592	InstallUtil.exe
1592	InstallUtil.exe
1592	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2mjE3Uwv.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	2mjE3Uwv.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

setupsoftapp19.0.exe

description pid process target process

PID 4604 set thread context of 1592 4604 setupsoftapp19.0.exe InstallUtil.exe
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.

Processes:

description flow ioc

HTTP User-Agent header 31 Go-http-client/1.1

description	pid	process	target process
PID 4604 set thread context of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe

description	flow	ioc
HTTP User-Agent header	31	Go-http-client/1.1

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

setupsoftapp19.0.exeInstallUtil.exe2mjE3Uwv.exe

description	pid	process	target process
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 4604 wrote to memory of 1592	4604	setupsoftapp19.0.exe	InstallUtil.exe
PID 1592 wrote to memory of 4360	1592	InstallUtil.exe	2mjE3Uwv.exe
PID 1592 wrote to memory of 4360	1592	InstallUtil.exe	2mjE3Uwv.exe
PID 4360 wrote to memory of 4364	4360	2mjE3Uwv.exe	ntlhost.exe
PID 4360 wrote to memory of 4364	4360	2mjE3Uwv.exe	ntlhost.exe

C:\Users\Admin\AppData\Local\Temp\setupsoftapp19.0.exe
"C:\Users\Admin\AppData\Local\Temp\setupsoftapp19.0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4604

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\InstallUtil.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1592

C:\Users\Admin\AppData\Local\Temp\2mjE3Uwv.exe
"C:\Users\Admin\AppData\Local\Temp\2mjE3Uwv.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4360

C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
4⤵
- Executes dropped EXE
PID:4364

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\mozglue.dll
Filesize
612KB

MD5
f07d9977430e762b563eaadc2b94bbfa

SHA1
da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

SHA256
4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

SHA512
6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

Download Submit
C:\Users\Admin\AppData\LocalLow\nss3.dll
Filesize
1.9MB

MD5
f67d08e8c02574cbc2f1122c53bfb976

SHA1
6522992957e7e4d074947cad63189f308a80fcf2

SHA256
c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

SHA512
2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

Download Submit
C:\Users\Admin\AppData\LocalLow\sqlite3.dll
Filesize
1.0MB

MD5
dbf4f8dcefb8056dc6bae4b67ff810ce

SHA1
bbac1dd8a07c6069415c04b62747d794736d0689

SHA256
47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

SHA512
b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\2mjE3Uwv.exe
Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

Download Submit
C:\Users\Admin\AppData\Local\Temp\2mjE3Uwv.exe
Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

Download Submit
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Filesize
841.0MB

MD5
cfb25a07978f16dbef7349d7893f22a0

SHA1
8a279a1438483e369490fdf2fdba850f6904513b

SHA256
2f7a4104d8475f01e6eec749c057cf844de9dc4727044b4947a9ba301c45fc42

SHA512
1d44b3435ba579af4a16ab23ec1735f31db1904c243aca9d2bc3f961fc528f9afa44cc7e9fb40776fba5d6e361feda0cae8c8ff816f6253a65daa60e7223f3b6

Download Submit
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Filesize
841.0MB

MD5
cfb25a07978f16dbef7349d7893f22a0

SHA1
8a279a1438483e369490fdf2fdba850f6904513b

SHA256
2f7a4104d8475f01e6eec749c057cf844de9dc4727044b4947a9ba301c45fc42

SHA512
1d44b3435ba579af4a16ab23ec1735f31db1904c243aca9d2bc3f961fc528f9afa44cc7e9fb40776fba5d6e361feda0cae8c8ff816f6253a65daa60e7223f3b6

Download Submit
memory/1592-135-0x00000000004088ED-mapping.dmp

Download
memory/1592-134-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1592-143-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1592-137-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1592-138-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4360-144-0x0000000000000000-mapping.dmp

Download
memory/4364-147-0x0000000000000000-mapping.dmp

Download
memory/4604-133-0x00007FFD9D490000-0x00007FFD9DF51000-memory.dmp

Filesize
10.8MB

Download
memory/4604-132-0x0000000000A10000-0x0000000001922000-memory.dmp

Filesize
15.1MB

Download
memory/4604-139-0x00007FFD9D490000-0x00007FFD9DF51000-memory.dmp

Filesize
10.8MB

Download

Analysis

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