MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddf58f4e7d5c2493e4ceeae3adf40583ee65b9afb8a7eec58e20ef310e964e38. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ddf58f4e7d5c2493e4ceeae3adf40583ee65b9afb8a7eec58e20ef310e964e38
SHA3-384 hash: 7dc467b691f391453394f6bfdee488199071dcb9a15cbe807b0d5702f54024b977e4b93229f1a0845e4d9cec6ed6483a
SHA1 hash: 01f6d32f917428dc349d79935575b11d556c1f60
MD5 hash: 131259a9d7785a1c878f37390e0f642b
humanhash: magazine-yankee-oven-north
File name:PO MKF-190808-FSMECA-Quotations.pdf.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:596'480 bytes
First seen:2020-10-22 07:48:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'612 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2EoONq5MbEXjEy+/TnFdAi1FEAEATo6zYhiROZ+LJ3rkIFlbm0mRh:2mEJ+LJ35y0mP
Threatray 378 similar samples on MalwareBazaar
TLSH 8FC45AEC726072EFC857D4729AA81D74FA6064BB831B4203A42715EDEE4D897CF245F2
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: [199.43.204.182]
Sending IP: 199.43.204.182
From: "Ronald Rina" <rrina@smediasys.com>
Reply-To: rrina-smediasys@post.com
Subject: Request For QUOTE (INNOVATION PROJECT)
Attachment: PO MKF-190808-FSMECA-Quotations.pdf.iso (contains "PO MKF-190808-FSMECA-Quotations.pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/74562/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
DNS request
Sending a custom TCP request
Connection attempt
Enabling autorun by creating a file
Unauthorized injection to a system process
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ddf58f4e7d5c2493e4ceeae3adf40583ee65b9afb8a7eec58e20ef310e964e38/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-10-22 03:49:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3x2y6tt5lqsjhzgo5lr235afqpxglonpxct65rmoedxtcduwjy4a._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
430bbefe89bad382de0a7831e7afc238f397a930a235d208585fb2bfb0b950bc
AsyncRAT
7caf87ac1666f10cbbff4cc01d51ec4df556908b2d8d55d5c4f0f3724dceded1
AsyncRAT
862b45e2c98a175f625797db1d3342e0d9dc35b79e3386deb42c06b1918867d9
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
bcb474ac919440674135c673d8c6a0fc8015a63a15b2849c3346f74a716b5249
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
d82330b1d9bfbebbff4d21e9ddd0f86e90ed27031ba29557587d182246301ee5
AsyncRAT
d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
AsyncRAT
f0006754d451556014c91039915ea9505f348f80538e536d30b75c5ef252d73d
AsyncRAT
f9cff9e6050b1536e55014e7eafdc8827fb237e9235ff60265c5d1afaa5d5e6e
AsyncRAT
+ 368 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
rat family:asyncrat
Link:
https://tria.ge/reports/201022-71h4grf562/
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:
ddf58f4e7d5c2493e4ceeae3adf40583ee65b9afb8a7eec58e20ef310e964e38
MD5 hash:
131259a9d7785a1c878f37390e0f642b
SHA1 hash:
01f6d32f917428dc349d79935575b11d556c1f60
Link:
https://www.unpac.me/results/a19259cb-95ed-42f6-b2d9-ef4254835508/
SH256 hash:
4abcc3d6a7e8b183f7c12c7696169cf7e796e717beeb54dc1b01a53188d390ee
MD5 hash:
f2814e2819ca02fff19cb917409a71ae
SHA1 hash:
1fa562410788293f9fb9d3dcc3404c6417f04796
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/a19259cb-95ed-42f6-b2d9-ef4254835508/
SH256 hash:
dd763d57291e948c11d5df79f0c2b4b1763ee5557e9dd45fc59d5aa8ea688df1
MD5 hash:
858500a292f333ea6d507237565801b6
SHA1 hash:
4a097b4f4317215c5717ed37e6f06236e44fd92e
Link:
https://www.unpac.me/results/a19259cb-95ed-42f6-b2d9-ef4254835508/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/a19259cb-95ed-42f6-b2d9-ef4254835508/
SH256 hash:
ea2ac4babbc8e61b9ed0c72b46a85631b064320cab1d72df93e3cc5657f6e1d9
MD5 hash:
49f9d059e7e28ed9e08a2c57207f2f45
SHA1 hash:
e8fd21ccab62ea17a35d361eb700cbf44e5e8320
Link:
https://www.unpac.me/results/a19259cb-95ed-42f6-b2d9-ef4254835508/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
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.

Malspam

AsyncRAT

iso ca57c68fd94f68dab8a2cb252b98190c160cd5fd6cdec3be00748c6750ee3f64

AsyncRAT

Executable exe ddf58f4e7d5c2493e4ceeae3adf40583ee65b9afb8a7eec58e20ef310e964e38

(this sample)

  
Dropped by
MD5 8482c51cb355b03e827295039321083d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/74562/
  
Dropped by
SHA256 ca57c68fd94f68dab8a2cb252b98190c160cd5fd6cdec3be00748c6750ee3f64

Comments