MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5
SHA3-384 hash: 91fbf271bcf4210ec010521fb07ba6870a1c9e42eb1f3b553976edeb06883fba9c27886cbc0bf6ce6873f64d2a38e013
SHA1 hash: 1d4368b26588323743b5de77995260b2a08d3eab
MD5 hash: ad35195080aaf247005d6ecab3f8db72
humanhash: mango-coffee-berlin-music
File name:RFI von Aeris Impulsmoebel #RFI-9090.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:787'456 bytes
First seen:2022-02-24 11:18:23 UTC
Last seen:2022-02-24 14:14:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ckygsXzLhX0ab8kLDnyQCjVBW6Ymh6WPa:MFXXV0ab8kXnyQCjrRYg6W
TLSH T1E6F42359B368D6FADA7F477D34A2770A4531FE04601EE2078E8830E0ADF2B7494B5396
File icon (PE):PE icon
dhash icon 18f9f0dccaf07071 (2 x Formbook, 1 x AveMariaRAT, 1 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
5
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Response Mail with 7z.eml
Verdict:
Malicious activity
Analysis date:
2022-02-25 08:27:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/518cc7e0-38ae-4a83-9875-432e24f4eebd

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/244293/
Detection(s):
SecuriteInfo.com.Variant.Bulz.709809.17994.16381.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Sending a custom TCP request
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed remote.exe
Link:
https://www.filescan.io/uploads/621769b23b743d74eee51c16/reports/81956dfe-f846-46cb-aeba-a1a939a5125f/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b411eca-c8c6-49db-8034-b0f6d7c30eed
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/945614
Signature
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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)
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 (e.g. based on Emerging Threat rules)
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 578097 Sample: RFI von Aeris Impulsmoebel ... Startdate: 24/02/2022 Architecture: WINDOWS Score: 100 32 www.freehamrecords.com 2->32 34 www.gleichgesinnt.net 2->34 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 11 RFI von Aeris Impulsmoebel #RFI-9090.exe 1 2->11         started        signatures3 process4 file5 30 RFI von Aeris Impu...l #RFI-9090.exe.log, ASCII 11->30 dropped 14 eudcedit.exe 11->14         started        17 SystemPropertiesPerformance.exe 11->17         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 36 www.tangerineden.com 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 explorer.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-24 10:41:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfptsdkwvxrxrzzpgq2glv4o2pz7tcvqji73hyxcmfqyjzlgw3cq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:witq loader rat
Link:
https://tria.ge/reports/220224-nevcxache5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
ea5a0a5a675da0690921ed2346b5ce8692919e8dfe4142c9a4c6cdbf98370e9f
MD5 hash:
f82b702ed2bf6c52b17a2173aca7c4a6
SHA1 hash:
a89fdc0f08eec8e22c6bb0073e49328d853b480a
Link:
https://www.unpac.me/results/42825af4-5114-497e-8990-8351222d7e6d/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/42825af4-5114-497e-8990-8351222d7e6d/
SH256 hash:
895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5
MD5 hash:
ad35195080aaf247005d6ecab3f8db72
SHA1 hash:
1d4368b26588323743b5de77995260b2a08d3eab
Link:
https://www.unpac.me/results/42825af4-5114-497e-8990-8351222d7e6d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/895f390d56ad/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5

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: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.

Malspam

Formbook

Executable exe 895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/244293/

Comments