MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898. 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 2 File information Comments
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SHA256 hash: 48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898
SHA3-384 hash: 259158b6384dc725a3d0dd557cbff1aecee363a2eaae7edba0566c6b00f1f8ac2b6ee7989c4d0f239af07d9808b2e17c
SHA1 hash: 5ddd26f05fa34a13d7f805a1477df685b2156ed1
MD5 hash: df4c3308c6ae67eb47834f98056feee2
humanhash: delta-may-golf-mountain
File name:Proforma Invoice Documents for USD.78,116.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:652'800 bytes
First seen:2022-02-28 06:39:51 UTC
Last seen:2022-02-28 16:38:05 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:rc/dIK2gnrsU7zh0Gv8MM1wyXulp4t5uYRnujAgYyoVkwOOzlA04T:EKKFh0hMSwyXur4t74
Threatray 13'702 similar samples on MalwareBazaar
TLSH T137D45BE871E6B4FEC4E7C4B9E8241C65AE607DAA430792574017266C983EE83DF570B3
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/245141/
Detection(s):
SecuriteInfo.com.W32.MSIL_Perseus.BJ.genEldorado.22061.17297.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
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/621c6e46b94fb38cb421d7c8/reports/929e1cd7-47e7-4166-b80a-f46b01b6e6ba/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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947134
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
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: 579615 Sample: Proforma Invoice Documents ... Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 31 www.wrxworld.net 2->31 33 www.wclm888.com 2->33 35 12 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 9 other signatures 2->49 11 Proforma Invoice Documents for USD.78,116.exe 3 2->11         started        signatures3 process4 file5 29 Proforma Invoice D... USD.78,116.exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 Proforma Invoice Documents for USD.78,116.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.nituqes.xyz 18->37 39 exqvia.com 208.109.21.134, 49817, 49851, 80 SUCURI-SECUS United States 18->39 41 31 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-28 06:40:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jc43w4q2wyh2t7e753hpnrhfco2l7qqetrzpdb555kjhwifkhcma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
53685ac5f275b61fc580f2203e7d7e431d2b03b8e4320015b428745d68d5e333
Formbook
779f51468b459d7e4fa2fb6dafabd1771416f00bdd0ad587b1f3119da41edd5e
Formbook
786698eab83f77c1fdc3d37daf49966befe788b0e85167083726354225176d1f
Formbook
959b7ce61e82bc7f837042b10627c2d87442d52a243eafa8b837419ec0174418
Formbook
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
Formbook
adbb0a2d948271b626589d5e305bdda36bad62e00b58847d0a7dae3688d5c376
Formbook
b24fe0dd0ec4d61ac6903f6579d59dcffd17d0e002c96803a551aa3ab17367ef
Formbook
b59ebb440937c57845ec3a6b7251cecd72aed8a9f2e31966a31356cf1fac3eb0
Formbook
bc94f855af63f2b711742d13249e36791c034b6369ecdc79878c04de8a4dbd6b
Formbook
bfb63f78c88894c097832d1073716db0d322456da3a2bccc15e57eac15fa903d
Formbook
+ 13'692 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ok4e loader rat
Link:
https://tria.ge/reports/220228-he8mmsddh5/
Behaviour
Gathers network information
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
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
6f1bdc148ef8191b2feba9973d53788f383ed9e900895e2185996d9c19807b68
MD5 hash:
b77200269aff132c89ff539252190aff
SHA1 hash:
6016d8604b778f66023cadda92d0f955a56e47f5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f7e4d767-e4d7-4a97-96a7-14b25aa85369/
Parent samples :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 hash:
35df3184c3d2504641a0708249789a2ace1ee736dd3f956dc47252659a10f3b6
MD5 hash:
7c8899a87e4248538d40681cfab66cc8
SHA1 hash:
f9c26ad98b30b8c2b689714786c2292f38750755
Link:
https://www.unpac.me/results/f7e4d767-e4d7-4a97-96a7-14b25aa85369/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/f7e4d767-e4d7-4a97-96a7-14b25aa85369/
SH256 hash:
48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898
MD5 hash:
df4c3308c6ae67eb47834f98056feee2
SHA1 hash:
5ddd26f05fa34a13d7f805a1477df685b2156ed1
Link:
https://www.unpac.me/results/f7e4d767-e4d7-4a97-96a7-14b25aa85369/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/48b9bb721ab6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898

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 48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/245141/

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