MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de. 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

SHA256 hash:	e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
SHA3-384 hash:	ec67dfde916d327ff2b1ccfbae3dfc0a69e6791450ef80cbccd313d734eeb723b9690d1278b846ca77af0e76fef64b79
SHA1 hash:	1bb377017690bd7066bb98658a8bb90d91feeb93
MD5 hash:	4d182167da3f24bfb9e80469b0d7d62a
humanhash:	helium-carpet-floor-crazy
File name:	Document_Opener.exe.14.dr
Download:	download sample
Signature	BuerLoader Create hunting rule
File size:	1'501'641 bytes
First seen:	2021-03-31 11:29:00 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	e9c0657252137ac61c1eeeba4c021000 (53 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep	24576:NdH0GWU6mXSVLEDYpFOMVCMoG0uQ9rO+5xnPsjkW0cBB2YVyi/dzhOGQV2edvT0k:Nt/bgL0YCMVCP397PrWjKYVxjqjvAk
TLSH	8E65F1423145DCDAE44329F258AFD5306079BD9F8464C60E3787BB2AA5E734324AF78E
Reporter	j_dubp
Tags:	BuerLoader

j_dubp

Google Drive link to download Private.docm (EBC3533E3AE7CC751998446F5B1B7D4A) which downloads Buerloader (nullsoft)

Intelligence

File Origin

# of uploads :

# of downloads :

218

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Document_Opener.exe.14.dr

Verdict:

Malicious activity

Analysis date:

2021-03-31 11:24:01 UTC

Tags:

loader buerloader

Link:

https://app.any.run/tasks/2dfa5e42-a1e8-4fd0-a764-73a769e73e95

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/129259/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.42220477.4087.19311.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% subdirectories

Creating a file in the %AppData% directory

Creating a file in the %temp% subdirectories

Sending a UDP request

Unauthorized injection to a recently created process

DNS request

Sending a custom TCP request

Setting a single autorun event

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.

Result

Threat name:

Buer Loader

Detection:

malicious

Classification:

troj.expl.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/660208

Signature

Contains functionality to behave differently if execute on a Russian/Kazak computer

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Initial sample is a PE file and has a suspicious name

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Yara detected Buer Loader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de/

Threat name:

Win32.Hacktool.AutoKMS

Status:

Malicious

First seen:

2021-03-31 08:23:59 UTC

AV detection:

11 of 48 (22.92%)

Threat level:

1/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=4d5wbwrxdejmcwegdslgayznldsfz7h7ci2rzspah5ex6mm6wxpa._file

Verdict:

malicious

Label(s):

trickbot

Result

Malware family:

n/a

Score:

7/10

Tags:

persistence

Link:

https://tria.ge/reports/210331-tzwgrtj9yx/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

Enumerates connected drives

Loads dropped DLL

Unpacked files

SH256 hash:

37beeaaa7ba3a6eb9ffb35e44e91fd6922110e7be1e328111dbe5357cd82b4b8

MD5 hash:

92545a079e617831ff69df8834b1995c

SHA1 hash:

ec80aec55fe7c39f04079fd5486203d74743f054

Link:

https://www.unpac.me/results/b48379d8-5e2d-400d-a4d3-6f86a51b1a96/

SH256 hash:

ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7

MD5 hash:

0063d48afe5a0cdc02833145667b6641

SHA1 hash:

e7eb614805d183ecb1127c62decb1a6be1b4f7a8

Detections:

win_buer_auto

Link:

https://www.unpac.me/results/b48379d8-5e2d-400d-a4d3-6f86a51b1a96/

Parent samples :

5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a

SH256 hash:

e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de

MD5 hash:

4d182167da3f24bfb9e80469b0d7d62a

SHA1 hash:

1bb377017690bd7066bb98658a8bb90d91feeb93

Link:

https://www.unpac.me/results/b48379d8-5e2d-400d-a4d3-6f86a51b1a96/

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/e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de

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.