MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4d2019d26717d17af772b6deb4063c7a30f6d6a7065bd66e755455e747d3a49a. 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: 14
| SHA256 hash: | 4d2019d26717d17af772b6deb4063c7a30f6d6a7065bd66e755455e747d3a49a |
|---|---|
| SHA3-384 hash: | cf8041f68df9e1ba1addf08824508a2da4304101a4ecbcecd37771af478644fb39f088f5d729f2a3728710cd547b7c97 |
| SHA1 hash: | 7208a939fc905f35960f1a852ab3555f63a8029c |
| MD5 hash: | 9404b5362eace4e5b83c0ddbc512d450 |
| humanhash: | louisiana-bluebird-gee-echo |
| File name: | Specifications.docx.scr |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 326'656 bytes |
| First seen: | 2021-10-14 15:35:04 UTC |
| Last seen: | 2021-10-14 17:03:16 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:kGVnFEsSX/bYrifXlzNkTSfNXlTEGtxh1F0lYmuQ4pf:kWSX7fXlzffNNVtWYvQ4pf |
| Threatray | 1'765 similar samples on MalwareBazaar |
| TLSH | T125647C513724AF68E139D738C0DA3A1083F6D906E751FEDE3D6685DA0992E8443B1FE2 |
| File icon (PE): |  |
| dhash icon | e884030dcedeb4e8 (52 x AgentTesla, 20 x Loki, 6 x Formbook) |
| Reporter |  info_sec_ca |
| Tags: | AsyncRAT exe scr |
Intelligence
File Origin
# of uploads :
3
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Specifications.docx.scr
Verdict:
Malicious activity
Analysis date:
2021-10-14 15:39:39 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
asyncrat
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
AsyncRAT
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Powershell drops PE file
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-10-14 15:36:05 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 1'755 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
194.5.97.212:1199
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
SH256 hash:
37df1b2837ab4eb0e06200790983dd446daff0d9cb9383f8a60f4bc55d9e9b84
MD5 hash:
f6ef0d8e68371081a16b788d3e0b046b
SHA1 hash:
6e0f74faff173e65d87215cfd1ae73179abd9305
Detections:
win_asyncrat_w0
SH256 hash:
4d2019d26717d17af772b6deb4063c7a30f6d6a7065bd66e755455e747d3a49a
MD5 hash:
9404b5362eace4e5b83c0ddbc512d450
SHA1 hash:
7208a939fc905f35960f1a852ab3555f63a8029c
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | MALWARE_Win_AsyncRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects AsyncRAT |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
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