MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1dde6f1868423ec25b5d3640840ce4372426bef5ea6f3e59d0f732f4b7222d2. 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


BuerLoader


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1dde6f1868423ec25b5d3640840ce4372426bef5ea6f3e59d0f732f4b7222d2
SHA3-384 hash: 5c23cdfae43cd48523877da37e79064d96ebf0b7a8c7bd43ca7e9d7add0343961021e6afb0bd3613300ebccb8f609143
SHA1 hash: 00d14e220ca5897577a4c5ff2ce140698f501f03
MD5 hash: c740bdab4e7f09140d91c235867b5b4f
humanhash: single-twelve-harry-april
File name:c1dde6f1868423ec25b5d3640840ce4372426bef5ea6f3e59d0f732f4b7222d2.bin
Download: download sample
Signature BuerLoader
Create hunting rule
File size:241'664 bytes
First seen:2021-01-28 18:30:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 119a35f7068fc0ecc3a6bb69039ac25d (2 x BuerLoader)
ssdeep 3072:oFcPQFEjmvXTFC1cNkkw+VyUTg+7oJiHGLN/iztoQhjv5/1sQh3yQ:McPQWj4RC1cNkJuZz0Ed5Nm
Threatray 952 similar samples on MalwareBazaar
TLSH A4344A1236F1D036E2F369744A35C2B11E7BB8776939998EABC806790F267C1DE12317
Reporter TheTallJohnBrown
Tags:BuerLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5194873f8a8932619732b1adc041b83a4c7186ddf913ba3563d01ed8d3ef538a.xls
Verdict:
Malicious activity
Analysis date:
2021-01-28 18:15:32 UTC
Tags:
macros loader
Link:
https://app.any.run/tasks/dc8689f7-17e6-4966-9cad-6c913ea7a9b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/114280/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.72701.20807.9996.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Sending a UDP request
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/593239
Signature
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1dde6f1868423ec25b5d3640840ce4372426bef5ea6f3e59d0f732f4b7222d2/
Threat name:
Win32.Trojan.Zenpak
Create hunting rule
Status:
Malicious
First seen:
2021-01-27 01:06:23 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
110832d77e7e042955d0bee350f739c3348b3c67ca6f690f02a487d28aefaff4
BuerLoader
146bcd0d720f43d289c66d3a3cdc77e5e5a3d924174ee1993ac6db2cb0ca8026
BuerLoader
1c8260f2d597cfc1922ca72162e1eb3f8272c2d18fa41d77b145d32256c0063d
BuerLoader
593cf2c6d3140a5bf6bb6378aeadbc15abfa17691250e6ef1804d40534fd8a2e
BuerLoader
6eb872c05e3839b491fc9515065fcb0eeb209b3981a1ee3e3140495f907db37c
BuerLoader
b0a639215a6ea4dc14ffc7fbc6f3c102605d17008a51de477cb755e35794a8c0
BuerLoader
b298ead0400aaf886dbe0a0720337e6f2efd5e2a3ac1a7e7da54fc7b6e4f4277
BuerLoader
c1a1988e6f043d0e73c9555ccaad2adb3683c22b0569fc0f6be24c3e4f8c82ff
BuerLoader
ce8c56d52e1f156e13071b65cc73794b143f3f3714a26166e6600023b81ee2fd
BuerLoader
eb9ed562ea848b9b3901a0d9cb2f9793115ba6dad9b2bf3929f75f9358ed2c23
BuerLoader
+ 942 additional samples on MalwareBazaar
Result
Malware family:
buer
Create hunting rule
Score:
  10/10
Tags:
family:buer loader
Link:
https://tria.ge/reports/210128-n19ky7kera/
Behaviour
Buer Loader
Buer
Unpacked files
SH256 hash:
fa2ebeead3362346b04aad9f8d91c8cdf060e3496f16a139606dd54741d1b933
MD5 hash:
eb3b99a58edd88c3e8351761e21d3d3a
SHA1 hash:
69e169e3371a507157489b17ffaa6e35327d2d3a
Link:
https://www.unpac.me/results/ea769284-a30d-40a8-8bce-00af009c35ee/
SH256 hash:
c1dde6f1868423ec25b5d3640840ce4372426bef5ea6f3e59d0f732f4b7222d2
MD5 hash:
c740bdab4e7f09140d91c235867b5b4f
SHA1 hash:
00d14e220ca5897577a4c5ff2ce140698f501f03
Link:
https://www.unpac.me/results/ea769284-a30d-40a8-8bce-00af009c35ee/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c1dde6f1868423ec25b5d3640840ce4372426bef5ea6f3e59d0f732f4b7222d2

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:BuerLoader
Create hunting rule
Author:Brandon George
Description:Yara rules for the updated and unpacked payload of BuerLoader

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

BuerLoader

Executable exe c1dde6f1868423ec25b5d3640840ce4372426bef5ea6f3e59d0f732f4b7222d2

(this sample)

anyrun
any.run
https://app.any.run/tasks/998c6c22-216d-4cfd-97d9-020bdf5ed3e1
  
Dropping
BuerLoader
  
Delivery method
Distributed via e-mail attachment
  
URLhaus
https://urlhaus.abuse.ch/url/980051/
Cape
Cape
https://www.capesandbox.com/analysis/114280/

Comments