MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfbd2e312bd1fe323ff5b8fb10d7b275d5716d5d0dd375c93fd914c14b35dd8. 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


Formbook


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bfbd2e312bd1fe323ff5b8fb10d7b275d5716d5d0dd375c93fd914c14b35dd8
SHA3-384 hash: c328b8bd879d2aaef6b9cd9b3d31b575080cc7c66d3bbe2718a31cb9ccc833b807fb03ee196878bf4ac9e51cbd518013
SHA1 hash: 7b998fa9aa31c8822ee92646f4a55d7db10884c1
MD5 hash: 044bccd049916372704f2c3770c8484f
humanhash: mango-uranus-pip-monkey
File name:044bccd049916372704f2c3770c8484f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:408'064 bytes
First seen:2021-11-04 17:23:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:IX5vU0L0TjBBPkhedOOvZ75TPD8jBbdCYt2Jt9ANeiBrblT:IX5ig0B7NPgBbUYevK1
TLSH T11094E01136A9D912D3266632CDDF891003FCFB427457D31A3DE973AD88627FA2A209DD
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
044bccd049916372704f2c3770c8484f.exe
Verdict:
Malicious activity
Analysis date:
2021-11-04 18:30:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dfb7e291-22f9-4d39-a720-fbd980f4ab0c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/202430/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618417350621d706aeaa1d57/reports/57c8867a-80e1-49cd-8465-1614cf435981/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f882e440-80f4-425a-9a3d-ce1fda891f43
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/883425
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 515865 Sample: xUe9e25bNH.exe Startdate: 04/11/2021 Architecture: WINDOWS Score: 100 31 clientconfig.passport.net 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 11 xUe9e25bNH.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\xUe9e25bNH.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 xUe9e25bNH.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.lj0005lj.net 119.13.88.148, 80 ISEEK-AS-APiseekCommunicationsPtyLtdAU Australia 18->33 35 sexolia.com 31.170.167.70, 49786, 80 AS-HOSTINGERLT United States 18->35 37 10 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1bfbd2e312bd1fe323ff5b8fb10d7b275d5716d5d0dd375c93fd914c14b35dd8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-04 12:14:41 UTC
AV detection:
15 of 27 (55.56%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bu3e loader rat
Link:
https://tria.ge/reports/211104-vyp1vsecck/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.junpincn.com/bu3e/
Unpacked files
SH256 hash:
8e4b3f53ca21888a334b36c942f35780d39a03fc8ef3c16f7f6a414131bb3052
MD5 hash:
2997d10e8c98ba3f1d3e7c2cf5506627
SHA1 hash:
74bf5b3ed5d2a83466b5b54333e251bdabd611e3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2a5a3cb3-979b-4a9f-a2c7-6063fdda8353/
Parent samples :
1bfbd2e312bd1fe323ff5b8fb10d7b275d5716d5d0dd375c93fd914c14b35dd8
cc438754d878645082b6c4a5df470954bf5eeb09d193dad5e59e8a47eb9abbcb
7b499b9228bbfa5ab9cdacfbcec34d63d0ded4710ca778dae42a18f9e1535964
SH256 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/2a5a3cb3-979b-4a9f-a2c7-6063fdda8353/
SH256 hash:
955f32226ed8bae9976798353d86052d16c3014cbea3daf6f0bc2705d389d496
MD5 hash:
e1c9914daf611bb4b0ac6846e202f514
SHA1 hash:
2b5572f674d93ab80d0f854b0a5103f439b6333a
Link:
https://www.unpac.me/results/2a5a3cb3-979b-4a9f-a2c7-6063fdda8353/
SH256 hash:
1bfbd2e312bd1fe323ff5b8fb10d7b275d5716d5d0dd375c93fd914c14b35dd8
MD5 hash:
044bccd049916372704f2c3770c8484f
SHA1 hash:
7b998fa9aa31c8822ee92646f4a55d7db10884c1
Link:
https://www.unpac.me/results/2a5a3cb3-979b-4a9f-a2c7-6063fdda8353/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1bfbd2e312bd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/1bfbd2e312bd1fe323ff5b8fb10d7b275d5716d5d0dd375c93fd914c14b35dd8

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: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

File information

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

Web download

Formbook

Executable exe 1bfbd2e312bd1fe323ff5b8fb10d7b275d5716d5d0dd375c93fd914c14b35dd8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1738879/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/202430/

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