MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6
SHA3-384 hash: d43470f630fc46235017ffd51262f8621fa0fa976de933d5ac87885824d5aa4cf7d2a16bc81e115986bd38a57a233de6
SHA1 hash: 640e2cd4ed595624dae2b50238ea146b4b2b2a39
MD5 hash: 070095916c4e0cb4a5b3ecba1650a73d
humanhash: tango-uniform-beryllium-carbon
File name:070095916c4e0cb4a5b3ecba1650a73d
Download: download sample
Signature Formbook
Create hunting rule
File size:654'848 bytes
First seen:2023-05-05 19:40:44 UTC
Last seen:2023-05-13 22:40:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:RRaO1Gu/R8Z/8Vb/z4u0DrVSs+vqFSPqrQ9k5eJvKo8vY:T1Gu/6e/z4u0DZTFSP3CeJvKos
TLSH T15ED49E63F135CADFEE713BA5C14DE7557E60E402E051F0A17E0A24C8DAA57E21E8C27A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
273
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
070095916c4e0cb4a5b3ecba1650a73d
Verdict:
No threats detected
Analysis date:
2023-05-05 19:41:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/56a6ee26-4c72-4fd2-ac83-9abf7864245d

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/387015/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed powershell
Link:
https://www.filescan.io/uploads/64555bcee9d38c7b451ef412/reports/ce4ab945-72b2-4f39-811a-58f8dd06c93a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b46cc425-198e-4eb1-bc3d-e7b8ac7bd0de
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1227313
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 860277 Sample: LweZ8tR4I6.exe Startdate: 05/05/2023 Architecture: WINDOWS Score: 100 35 www.mysong-yoursong.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 LweZ8tR4I6.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\LweZ8tR4I6.exe.log, ASCII 11->33 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 LweZ8tR4I6.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 5 6 15->18 injected process9 dnsIp10 37 lexoutwest.com 162.241.253.186, 49706, 80 UNIFIEDLAYER-AS-1US United States 18->37 39 www.luettig.tech 89.31.143.1, 49703, 80 QSC-AG-IPXDE Germany 18->39 41 10 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 rundll32.exe 18->22         started        25 autochk.exe 18->25         started        27 autoconv.exe 18->27         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 29 cmd.exe 1 22->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-04-30 20:57:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4q2vqkfbslrks2amzxssx35z2zbr6ipwsvzbk3f2kglubh6hzw3a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:e8fg rat spyware stealer trojan
Link:
https://tria.ge/reports/230505-yd3yrsab32/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
895f15ca9cefb2058b044c12ca33bbed2a857ca5a9c073464861224808ad061e
MD5 hash:
de26eb905c26dc8261dfeae6d176f6d7
SHA1 hash:
635149304cac3552fff59b5748e8186e27add4bc
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8d315160-e495-49f0-b946-5a759a1289ba/
Parent samples :
f877daae32612cf737745b22467c63f63e1961a6135289125dd228604fa0c29e
02ea9a838872751f53f53611015ee23062c2cbc9b71a962caf500e54a145e87e
9d1779f9a627d5d1cd19c2a1f74f71eddb92cc11d8757d4ea3a2e7b315f4186d
e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6
3e48c872f879fc29b5440b844c42780669d2c2d3c219806d0c02c4839482c86f
290e9c2d3b53a9c41d8cc6a76b053217cf499ff19f7a73a89335fa0ae1006579
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/8d315160-e495-49f0-b946-5a759a1289ba/
SH256 hash:
af0925e4c632166ff87032bc43ea4f85a3805db3782a49724d125f44c0731114
MD5 hash:
b9897ba5e468e516e162fd3790a9ddbc
SHA1 hash:
db264c796e4a36a45af11e8a7bf71cf0dadce0f0
Link:
https://www.unpac.me/results/8d315160-e495-49f0-b946-5a759a1289ba/
SH256 hash:
61fbe6fd088f63ad0b0083a058fd343bc2b63a1e78326567ebfd572b45701adf
MD5 hash:
a92e81506a36982b80597cb0b54545b3
SHA1 hash:
880e2d24e2462774643e9c09a969f34219ed37c8
Link:
https://www.unpac.me/results/8d315160-e495-49f0-b946-5a759a1289ba/
SH256 hash:
31103ead64f9eda13115acbc80c9c39037051c05a512625370e555ad228aa4ea
MD5 hash:
7b6abbd9f6369e287ef0f1737e427958
SHA1 hash:
2fb1fd04c344d50aaf241dc1ac3c3584e9688d79
Link:
https://www.unpac.me/results/8d315160-e495-49f0-b946-5a759a1289ba/
SH256 hash:
e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6
MD5 hash:
070095916c4e0cb4a5b3ecba1650a73d
SHA1 hash:
640e2cd4ed595624dae2b50238ea146b4b2b2a39
Link:
https://www.unpac.me/results/8d315160-e495-49f0-b946-5a759a1289ba/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e4355828a192/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 e4355828a192e2a9680ccde52befb9d6431f21f69572156cba5197409fc7cdb6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2259322/
Cape
Cape
https://www.capesandbox.com/analysis/387015/

Comments


Avatar
zbet commented on 2023-05-05 19:40:50 UTC

url : hxxp://208.67.105.179/kellyzx.exe