asyncrat | 128ee5116439827966392f77da9527f5f586ff5efa62a8f3f50c7d7a2e56757a

Analysis

max time kernel
120s
max time network
142s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
21/11/2023, 01:55

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General

Target

payload1.exe
Size

45KB
MD5

7f11f6d1e63801a069b5242455439045
SHA1

ed9176679792aff0b09a45f14dcec0e15973b692
SHA256

128ee5116439827966392f77da9527f5f586ff5efa62a8f3f50c7d7a2e56757a
SHA512

14785bd6b5673e107c319bfdb1ed6265f1e525e3f0e314d63a291237b127c9fc4574abc1e39a39d3c186944301d9c8bbdbb522a5f2bafede4c633d88fd743b76
SSDEEP

768:mu/dRTUo0HQbWUnmjSmo2qMwKjPGaG6PIyzjbFgX3ixKF335WNVYBDZyx:mu/dRTUPE2kKTkDy3bCXScZPdyx

Score

10^/10

asyncrat zgrat yahoo rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

YAHOO

iced.ddns.net:6606

Mutex

rHxUsNj7QMwN

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral1/memory/2136-19-0x0000000005F70000-0x000000000600C000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2136-0-0x0000000001340000-0x0000000001352000-memory.dmp	asyncrat

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	payload1.exe

C:\Users\Admin\AppData\Local\Temp\payload1.exe
"C:\Users\Admin\AppData\Local\Temp\payload1.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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\Cab5ACF.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7074.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
memory/2136-0-0x0000000001340000-0x0000000001352000-memory.dmp

Filesize
72KB

Download
memory/2136-1-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-2-0x0000000001300000-0x0000000001340000-memory.dmp

Filesize
256KB

Download
memory/2136-19-0x0000000005F70000-0x000000000600C000-memory.dmp

Filesize
624KB

Download
memory/2136-38-0x0000000001050000-0x0000000001090000-memory.dmp

Filesize
256KB

Download
memory/2136-39-0x0000000000760000-0x000000000076A000-memory.dmp

Filesize
40KB

Download
memory/2136-40-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-41-0x0000000001300000-0x0000000001340000-memory.dmp

Filesize
256KB

Download