MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363
SHA3-384 hash: 852989893852f25621ed57e8a88c24150858f07c30926f4dfc43e8d17dd8b8af6cc6502bf487e63e8e37657cc94bd30b
SHA1 hash: 3680af9d44f9371011e4b0f73b1cf7ca76ba789e
MD5 hash: 86f3d1229335b04c8e1c3df130e5b49b
humanhash: fifteen-lima-july-cup
File name:Invoice ANT19-20646.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'178'624 bytes
First seen:2021-12-27 06:43:03 UTC
Last seen:2021-12-27 08:56:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:vYn1+2Yn1++Yn1+Y4Ckr5/1LxZaWlq5cPI2:S1+B1+p1+YnW5/B7aAPI
Threatray 12'502 similar samples on MalwareBazaar
TLSH T1AE457C93F2489FE6E43A43F49973A80113B3AE6D647ED55A1CCA34CA2E73B511843D1B
File icon (PE):PE icon
dhash icon d0f8c0d0c0f0f034 (4 x AgentTesla, 1 x Formbook, 1 x AveMariaRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice ANT19-20646.exe
Verdict:
Malicious activity
Analysis date:
2021-12-27 12:13:24 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/43e24721-29f4-4f2b-80e0-2aec47d7106a

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/216498/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.16724.10801.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c9607dec6c6c14a9f60b63/reports/c355b790-e2e9-4176-8899-9affceb450a6/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/5ec70ba4-3012-4d4e-9ba3-d7450bb8288d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/913028
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 545506 Sample: Invoice ANT19-20646.exe Startdate: 27/12/2021 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 8 other signatures 2->38 10 Invoice ANT19-20646.exe 3 2->10         started        13 explorer.exe 79 2->13         started        process3 file4 30 C:\Users\user\...\Invoice ANT19-20646.exe.log, ASCII 10->30 dropped 15 Invoice ANT19-20646.exe 10->15         started        process5 signatures6 50 Modifies the context of a thread in another process (thread injection) 15->50 52 Maps a DLL or memory area into another process 15->52 54 Sample uses process hollowing technique 15->54 56 Queues an APC in another process (thread injection) 15->56 18 explorer.exe 15->18 injected process7 signatures8 40 Uses netstat to query active network connections and open ports 18->40 21 NETSTAT.EXE 18->21         started        process9 signatures10 42 Self deletion via cmd delete 21->42 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        26 explorer.exe 1 167 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-27 06:44:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=65p2s2up5cg4f775mqqiobosn64ybwztv77wxbzpgtq7sa2oanrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19cf4ce7f3aa0cb41dae8a27aa4421dce752bb3e083e8e0daf138bdfc113c7e6
Formbook
230f53c0367ccdf77ff1f665ea66fcb2e6bb18c999b798980d8e0c9c19421eb3
Formbook
5ec2107b1399b50f3ed23e72228f1a74ab9898191a23431c8a4cbff7b73af998
Formbook
787179b3dd4ded4008927e4033331b00b60762872da94de5db3e6bf4a3b6e143
Formbook
7f4888239060a411b5a521d19e88bb1158189634f764383c2c2fc0bb84e01169
Formbook
8b72de010ebd70d5fea76372b2984d99c0b844205c56a9379778b771db47ce1e
Formbook
a22a77a96c3e15bc6f91c9973a3aaba9cb16932c5360b04c1ec3038e1e758ad6
Formbook
ba47d548d20732c621ab2fa56d5276a838de12667e1c0355bcf3dbb1466889b3
Formbook
d277fc7f7001598fc7730b3bfec96ce2749f616d64fe20bcd403a599b1bc7c2c
Formbook
+ 12'492 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mwfc loader rat suricata
Link:
https://tria.ge/reports/211227-hgy6zsahal/
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)
Unpacked files
SH256 hash:
46e09aa8f1d737799195f4baf4d4bc2c12f51d81656ccc3448f4d1af6b6e3e25
MD5 hash:
8b09b3046673f2354802096d6217e392
SHA1 hash:
50083ef5695b64704b4f50a7bf7a24cab5d746be
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f20b42eb-d659-478b-928a-21a90b641529/
Parent samples :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 hash:
fdb0087f89069724f6cd987fe0aa9b8310ff359d1bccefc1ebb42638b7f4eb19
MD5 hash:
396c39d2c041aaacfc0077bf2f9841f0
SHA1 hash:
a9d1eafdd553ef8a0e7e381c05a55cb0b8468670
Link:
https://www.unpac.me/results/f20b42eb-d659-478b-928a-21a90b641529/
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/f20b42eb-d659-478b-928a-21a90b641529/
SH256 hash:
f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363
MD5 hash:
86f3d1229335b04c8e1c3df130e5b49b
SHA1 hash:
3680af9d44f9371011e4b0f73b1cf7ca76ba789e
Link:
https://www.unpac.me/results/f20b42eb-d659-478b-928a-21a90b641529/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f75fa96a8fe8/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/f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/216498/

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