MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5e7af62bec34825a548b4d5f39f65efc22905c4806efa6d35e1e0d4b02dfef8. 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: f5e7af62bec34825a548b4d5f39f65efc22905c4806efa6d35e1e0d4b02dfef8
SHA3-384 hash: 7b80b2fa2f728c3e585e87a5dae682c202e0fdf7c15ace346709460f1bae88f3bc8f94755a77e04cbdcb4a455ffc7445
SHA1 hash: f22a3534913d994fb5c05cef3a6b621b5982fafd
MD5 hash: 1e737dd92af48a779d2b9b394017603a
humanhash: south-jig-georgia-lithium
File name:Statement of Account-Invoices Overdue.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'339'904 bytes
First seen:2021-12-13 09:20:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:rfevr+SwcesEtwskZ8GfBkHY2b/5o20KvLE9Dp+4trvNddIpXOHtEga:rfeCSJataz6H15f9vLKpvvhIhOyga
TLSH T1A555125973A88D50E16E0BB991B1C2308375BE10AC16D31F7AD93DAF7E73B908A05B17
File icon (PE):PE icon
dhash icon 60b2a2cc0796cc68 (8 x Formbook, 5 x Loki, 4 x SnakeKeylogger)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Statement of Account-Invoices Overdue.exe
Verdict:
Malicious activity
Analysis date:
2021-12-13 09:21:35 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0bcf4c01-b41e-410e-af00-10af24b41ab5

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/213499/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b710822a06937266105f64/reports/8109a690-cc40-4d2a-ba4c-022e9c544ef6/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a7923d19-4fc3-4d07-aac8-fb4f88c1242b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/906188
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 538662 Sample: Statement of Account-Invoic... Startdate: 13/12/2021 Architecture: WINDOWS Score: 100 32 www.selafina.com 2->32 34 selafina.com 2->34 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 11 Statement of Account-Invoices Overdue.exe 3 2->11         started        signatures3 process4 file5 30 Statement of Accou...ces Overdue.exe.log, ASCII 11->30 dropped 14 Statement of Account-Invoices Overdue.exe 11->14         started        17 Statement of Account-Invoices Overdue.exe 11->17         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process8 dnsIp9 36 powdersllc.com 162.241.218.223, 49840, 80 UNIFIEDLAYER-AS-1US United States 19->36 38 www.toughbookoptimised.com 40.69.86.52, 49842, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->38 40 14 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 raserver.exe 19->23         started        signatures10 process11 signatures12 52 Self deletion via cmd delete 23->52 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f5e7af62bec34825a548b4d5f39f65efc22905c4806efa6d35e1e0d4b02dfef8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-13 09:21:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6xt26yv6ynecljkiwtk7hh3f57bcsboeqbxpu3jv4hqnjmbn734a._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:posg loader rat suricata
Link:
https://tria.ge/reports/211213-lbbqaaeefn/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.bennshop.com/posg/
Unpacked files
SH256 hash:
c7825880ef6e619edbd8b5a644b88ea9824bbaff49bca02d6b6c03bd3c81796e
MD5 hash:
2a2bb67ca479c242d17c269ad813c213
SHA1 hash:
508eb9c282df2238bb16868c2b264d71aaa415cc
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5e89115d-4b39-4c68-8fdf-11e4eba54aef/
Parent samples :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 hash:
03648c62a02943e26b1b2fe3d12b5d733f61d0f2c8b5b694cd860bcdd3a7bd86
MD5 hash:
85adf2e5111eb370dd6ad4cfd44759eb
SHA1 hash:
edd37834252b03c26e6829e211016e48fbcd8bc1
Link:
https://www.unpac.me/results/5e89115d-4b39-4c68-8fdf-11e4eba54aef/
SH256 hash:
f8ee3ec61da05401295cfc650a604dc644a16a8d7afc9f090cd9f7a0d9300317
MD5 hash:
7e9f1e09d0aa634d949c26737c26ff3c
SHA1 hash:
cb6b35efc98d0656148907ce56268a964556664d
Link:
https://www.unpac.me/results/5e89115d-4b39-4c68-8fdf-11e4eba54aef/
SH256 hash:
f5e7af62bec34825a548b4d5f39f65efc22905c4806efa6d35e1e0d4b02dfef8
MD5 hash:
1e737dd92af48a779d2b9b394017603a
SHA1 hash:
f22a3534913d994fb5c05cef3a6b621b5982fafd
Link:
https://www.unpac.me/results/5e89115d-4b39-4c68-8fdf-11e4eba54aef/
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/f5e7af62bec34825a548b4d5f39f65efc22905c4806efa6d35e1e0d4b02dfef8

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.

Malspam

Formbook

7z bd3e04b2627a9bc8b875322177b830802c396c95f4f705ab41530be0da253d3d

Formbook

Executable exe f5e7af62bec34825a548b4d5f39f65efc22905c4806efa6d35e1e0d4b02dfef8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 bd3e04b2627a9bc8b875322177b830802c396c95f4f705ab41530be0da253d3d
Cape
Cape
https://www.capesandbox.com/analysis/213499/

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