MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5537d9206032519b37482f2d6c10e31981c209f5eaaea93161667af32d503632. 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


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5537d9206032519b37482f2d6c10e31981c209f5eaaea93161667af32d503632
SHA3-384 hash: c17c203456052d7726e66aa8c9d99dd134e3e822dd3a494a5530b975d481e652e254f6c7f21addf9b71896791b7b41db
SHA1 hash: 99ef55b3f3dd00f99c89facced2a03b851a3a4a6
MD5 hash: b8ddb2257bac927494135a09c3e14490
humanhash: alaska-xray-india-winter
File name:b8ddb2257bac927494135a09c3e14490.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:365'056 bytes
First seen:2021-10-09 05:12:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:/svcZPvyoI0H23U/MZ+rRchcPo+4tu7CeqE2MRIPc64utzIQpnNdLWEpOI1Va/vy:4cYiH28MZw3wtuOen2WrutzIQpnNJpOM
TLSH T190743AAC322375DFCC27C9B29E586D64EA606477530FC213A05715ACAE0DAABCF541F2
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b8ddb2257bac927494135a09c3e14490.exe
Verdict:
Malicious activity
Analysis date:
2021-10-09 05:14:20 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/57f04879-d03e-4929-ae26-b092c6499f22

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
asyncrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/196255/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616124e05b067ee97710af17/reports/b25e7800-5924-4b91-9d76-a461e6cbff85/overview
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/867359
Signature
Adds a directory exclusion to Windows Defender
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
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 AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 499787 Sample: YVeWjedzG5.exe Startdate: 09/10/2021 Architecture: WINDOWS Score: 100 27 Multi AV Scanner detection for dropped file 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected AntiVM3 2->31 33 3 other signatures 2->33 7 YVeWjedzG5.exe 6 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\KLqGWA.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpD469.tmp, XML 7->25 dropped 35 Detected unpacking (changes PE section rights) 7->35 37 Detected unpacking (overwrites its own PE header) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 Adds a directory exclusion to Windows Defender 7->41 11 powershell.exe 25 7->11         started        13 schtasks.exe 1 7->13         started        15 YVeWjedzG5.exe 7->15         started        17 YVeWjedzG5.exe 7->17         started        signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started       
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5537d9206032519b37482f2d6c10e31981c209f5eaaea93161667af32d503632/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 22:46:14 UTC
AV detection:
26 of 45 (57.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ku35sidagjizwn2if4wwyehddga4ecpv5kxksmlbmz5pglkqgyza._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0ed397f068e9ffac40486cc83ff5eeb06df0e2b504eb3e5bfdb2acc43c3c98f7
AsyncRAT
1d0d8c5370adf00c6dfcebcd398685e53871c2848d6241854cf338149c2bd7c3
AsyncRAT
243f707f1d8eabf197f836f4e87426bf3f2619ab74a089e15ed8182e74752dcd
AsyncRAT
2bb06f09556b4531015208c97a20dd3b56d6b82b2d3f49a353dc65be55da4623
AsyncRAT
6b09f1cfc05625cdd9c328e7ac8c67ade7fcc234cd0631999d8996b54c3da722
AsyncRAT
92bee9898c4a67a5fe3a209982221c240bc96627ee3fac96369eafa443bde986
AsyncRAT
ac016f9b1592fb93fe1117f2a2e20b383944828d649f1ba33ecf831a78537b78
AsyncRAT
bcf6e06fa10585d1f58a3f85a65840503b588cc7909732205b70f71fe9950def
AsyncRAT
c54b60f2101b09c68669821453bf68653d2bcc7b9030a13edd5486a387a11cab
AsyncRAT
d03e935641dfbd69c834d63cded762ae1c3ec41dc4502bcfd52d8cb8c5baf731
AsyncRAT
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/211009-fwe1jsfac3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
79.134.225.36:4044
Unpacked files
SH256 hash:
020dc52588fef088873e935056446600499c06abad33b1c0f93db5d4e07e63c6
MD5 hash:
f1ca43d474480980205742cc369cc26d
SHA1 hash:
f5c56410b0524646a31010cab2ef81e640213be9
Link:
https://www.unpac.me/results/95956edb-34f4-4466-ade3-00c15b69b601/
SH256 hash:
3d4099245c49a06a64923826b4f32cc645d9df9207cbb335b0aee7936af1f9f4
MD5 hash:
7290f3ae9d2277ba468f7b5ce03c1a7a
SHA1 hash:
7a396d71a1a565c4c5703a607234e49e8bd57024
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/95956edb-34f4-4466-ade3-00c15b69b601/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/95956edb-34f4-4466-ade3-00c15b69b601/
SH256 hash:
5537d9206032519b37482f2d6c10e31981c209f5eaaea93161667af32d503632
MD5 hash:
b8ddb2257bac927494135a09c3e14490
SHA1 hash:
99ef55b3f3dd00f99c89facced2a03b851a3a4a6
Link:
https://www.unpac.me/results/95956edb-34f4-4466-ade3-00c15b69b601/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5537d9206032/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5537d9206032519b37482f2d6c10e31981c209f5eaaea93161667af32d503632

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/196255/

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