MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6a552b03353efc74c7871b59d8844ee8990a224de336ca893e1b74d10cd4b16b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
AsyncRAT
Vendor detections: 12
| SHA256 hash: | 6a552b03353efc74c7871b59d8844ee8990a224de336ca893e1b74d10cd4b16b |
|---|---|
| SHA3-384 hash: | bfdfaad1319e423c653d2d59de8ad94196f6558ad320ad6d22a94c70ff40dd5ed17e9d5db216b130d5d54fc034174416 |
| SHA1 hash: | c9beb84d2505636820bd357abba5af0cd5a47c52 |
| MD5 hash: | 823cbb9bac152ecf6d251f686ffa1ab5 |
| humanhash: | mountain-wisconsin-jig-mango |
| File name: | PO20002106.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 711'680 bytes |
| First seen: | 2021-01-06 07:54:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:HY+0OtK9vC3CaYn5wcu4nogDg5tOim5c4CgLtJ79ME:iO+C3lg5luExRim5Xp |
| Threatray | 548 similar samples on MalwareBazaar |
| TLSH | 0DE4AE22738A7F9AF13D47F661A84101D7F1F80AC765E7BA7CE590DA04A5B40CAF4932 |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
abuse_ch
Malspam distributing AsyncRAT:HELO: vps.strusasu.com
Sending IP: 45.85.90.42
From: "稲葉風夏" <office@strusasu.com>
Subject: New PO# 20002106
Attachment: PO20002106.zip (contains "PO20002106.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO20002106.exe
Verdict:
Malicious activity
Analysis date:
2021-01-06 07:57:19 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
Connects to a pastebin service (likely for C&C)
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2021-01-06 07:55:08 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 538 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
6a552b03353efc74c7871b59d8844ee8990a224de336ca893e1b74d10cd4b16b
MD5 hash:
823cbb9bac152ecf6d251f686ffa1ab5
SHA1 hash:
c9beb84d2505636820bd357abba5af0cd5a47c52
SH256 hash:
5090b0f5480b55ac5af9a154fafd0b6821c0f12eefdcf7b8eb00ef7423772ba0
MD5 hash:
e1d6fbcf3129f0a15c4381898f239f98
SHA1 hash:
3722af0ad7da6e88a7c97cd35401c4e5422625ac
SH256 hash:
978121e108da4f7fe36589a18f5524f739372126774581d134164fdec4c70f61
MD5 hash:
6620e766047e33d42722e29b88ffefda
SHA1 hash:
5c6aa8140704dbef6d8e63662db9f650d7e99d1b
Detections:
win_asyncrat_w0
SH256 hash:
78cc69e2bac1d1082fdcd12ab9f73c8fbe177d4c77c3741a1f675afc19fde7df
MD5 hash:
0d89407b450dd157f3eac8a3a3850a07
SHA1 hash:
ae3cd291f2a022360896d4fae4f005f2b50a8364
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| Rule name: | Reverse_text_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Reverse text detected |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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