MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90a995e5f46d21ee81b12ea412a68168fa3bd9b3def1c23f310fec53f007bf77. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 90a995e5f46d21ee81b12ea412a68168fa3bd9b3def1c23f310fec53f007bf77
SHA3-384 hash: 27189ab5db0c88dfab663d9f025be0c80c5a70cc5c7099a28e529771755718a296ebaeda61eb5c55cfe2c943c64b23e6
SHA1 hash: fa1ece5e2bcf45ac4676c354e61046d2eea14bbf
MD5 hash: 21b8adafc63051777b0d97f530aca8b8
humanhash: carbon-uniform-lima-sad
File name:PDF.RICHIESTA FOB QOUTE $$$$ PO3457H.exe
Download: download sample
Signature Formbook
File size:983'552 bytes
First seen:2022-03-09 11:39:12 UTC
Last seen:2022-03-09 13:36:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:O09gSuJU13Po6NoHtD0TmqAAnCBcTaQKxQiagcdCuE8OWWAmjuwPIIBV/st6CyvL:O0SSfW6NgDS8bmyYoWTmaIBhsAXFdge
Threatray 14'946 similar samples on MalwareBazaar
TLSH T12125BF00A9DA503AF52A6AB91BC1BD3719D7B96E0414E0BE2C5CCA894FD177C9DC0F72
Reporter TeamDreier
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PDF.RICHIESTA.exe
Verdict:
Malicious activity
Analysis date:
2022-03-09 01:13:12 UTC
Tags:
trojan formbook stealer opendir

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 585546 Sample: PDF.RICHIESTA.exe Startdate: 09/03/2022 Architecture: WINDOWS Score: 100 31 www.pelitupmukaeksklusif.com 2->31 33 pelitupmukaeksklusif.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 PDF.RICHIESTA.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\PDF.RICHIESTA.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 PDF.RICHIESTA.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 15->18 injected process9 dnsIp10 35 breastcancerforumbd.com 173.82.45.205, 49816, 80 MULTA-ASN1US United States 18->35 37 www.surpaascompaas.online 209.17.116.163, 49840, 80 DEFENSE-NETUS United States 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 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 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-09 02:25:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:s54g loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
6ae3cac1f2c44ffc245b4ad05afcfb93dee192f307a17357f573960ec830cb10
MD5 hash:
5272e84c324429ed26148174976425a7
SHA1 hash:
495de343fed48eb9ef764fead83002fd037515ba
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
SH256 hash:
629fe108ff32f20ea1f3ba5541cb6832e54d35aada9a58b1bdfaf300db513c80
MD5 hash:
51d2be9b3ae65f5c91af0c5a6a8bd5b1
SHA1 hash:
fff94c044ed14c16d3b23c6ab81641400cb2d342
SH256 hash:
bd56221a0190e6bb02ab873f74278c54f5fdd2736b5eab39cc14fbb11a4bc570
MD5 hash:
71a47288179efded4db84d1b119a2d5f
SHA1 hash:
129888392e0f20ec3273dfb25587708d819843f1
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
90a995e5f46d21ee81b12ea412a68168fa3bd9b3def1c23f310fec53f007bf77
MD5 hash:
21b8adafc63051777b0d97f530aca8b8
SHA1 hash:
fa1ece5e2bcf45ac4676c354e61046d2eea14bbf
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 90a995e5f46d21ee81b12ea412a68168fa3bd9b3def1c23f310fec53f007bf77

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments