MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90f18e453ea2b0c1fa4d84d95499ab3bfd11db81a54caa2702cd3749f62c9dec. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90f18e453ea2b0c1fa4d84d95499ab3bfd11db81a54caa2702cd3749f62c9dec
SHA3-384 hash: 9a1ffd22c72d447edacd1f7dbfc0be68ac3386f7ef0bc5e9ec5341216bbd2a5b094f9111924ef0198778c5f54e99ccd5
SHA1 hash: 997930463f0362f53c5f9ee26afed94eff148505
MD5 hash: 703eeb530cbd41d86e20113624a18bd7
humanhash: five-quiet-spring-bravo
File name:proformaXfaturaXpdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'300'992 bytes
First seen:2023-10-12 08:28:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7b81750dfa561fad4dadd71b82d358de (6 x DBatLoader, 2 x Formbook, 1 x RemcosRAT)
ssdeep 24576:iFoEhCKAXS/1+O9P1Bza+78soKoxm5OST6Iytld3BIwbgKcQrE/k2+RVN:iF9ii/1+O9P1BB8soKXx7ytldxzV
Threatray 3'606 similar samples on MalwareBazaar
TLSH T1FB558DE4A280CC22E026797CCC5BE79501257EDD6D568CCD1E54DACF2E69AE0B9FC063
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 7e3c7068e8e8e062 (28 x DBatLoader, 6 x RemcosRAT, 4 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
proformaXfaturaXpdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-12 08:30:30 UTC
Tags:
dbatloader
Link:
https://app.any.run/tasks/86274d1f-f9ca-4c73-9aa7-ee5563bb78ed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
ModiLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/453717/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader46.23397.18391.26456.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Creating a file
Launching a process
Creating a process with a hidden window
Searching for the window
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Gathering data
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control keylogger lolbin overlay remcos remote replace
Link:
https://www.filescan.io/uploads/6527ae508d16e62970c2b1e5/reports/40b0fb76-9570-4faf-88a3-ef5936048165/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/90f18e453ea2b0c1fa4d84d95499ab3bfd11db81a54caa2702cd3749f62c9dec
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:
IEInspector Software
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0ceefd4f-23fc-4896-8b1f-f58a6ab8591f
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1324504
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1324504 Sample: proformaXfaturaXpdf.exe Startdate: 12/10/2023 Architecture: WINDOWS Score: 100 42 www.vsempodpiska.online 2->42 44 www.shedurrway.com 2->44 46 13 other IPs or domains 2->46 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 7 other signatures 2->60 11 proformaXfaturaXpdf.exe 1 2 2->11         started        signatures3 process4 file5 40 C:\Users\Public\Libraries40ysswthm.PIF, PE32 11->40 dropped 82 Drops PE files with a suspicious file extension 11->82 84 Writes to foreign memory regions 11->84 86 Allocates memory in foreign processes 11->86 88 Injects a PE file into a foreign processes 11->88 15 SndVol.exe 11->15         started        signatures6 process7 signatures8 90 Modifies the context of a thread in another process (thread injection) 15->90 92 Maps a DLL or memory area into another process 15->92 94 Sample uses process hollowing technique 15->94 96 2 other signatures 15->96 18 explorer.exe 44 4 15->18 injected process9 dnsIp10 48 www.colfaxtrailernc.com 162.209.67.117, 49731, 80 RMH-14US United States 18->48 50 www.jphoo.net 104.21.62.98, 49728, 80 CLOUDFLARENETUS United States 18->50 52 4 other IPs or domains 18->52 62 System process connects to network (likely due to code injection or exploit) 18->62 22 Nysswthm.PIF 18->22         started        25 Nysswthm.PIF 18->25         started        27 wlanext.exe 18->27         started        29 2 other processes 18->29 signatures11 process12 signatures13 64 Multi AV Scanner detection for dropped file 22->64 66 Machine Learning detection for dropped file 22->66 68 Writes to foreign memory regions 22->68 31 SndVol.exe 22->31         started        70 Allocates memory in foreign processes 25->70 72 Allocates many large memory junks 25->72 74 Injects a PE file into a foreign processes 25->74 34 SndVol.exe 25->34         started        76 Modifies the context of a thread in another process (thread injection) 27->76 78 Maps a DLL or memory area into another process 27->78 80 Tries to detect virtualization through RDTSC time measurements 27->80 36 cmd.exe 1 27->36         started        process14 signatures15 98 Modifies the context of a thread in another process (thread injection) 31->98 100 Maps a DLL or memory area into another process 31->100 102 Sample uses process hollowing technique 31->102 38 conhost.exe 36->38         started        process16
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/90f18e453ea2b0c1fa4d84d95499ab3bfd11db81a54caa2702cd3749f62c9dec
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90f18e453ea2b0c1fa4d84d95499ab3bfd11db81a54caa2702cd3749f62c9dec/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-10-11 01:49:58 UTC
File Type:
PE (Exe)
Extracted files:
75
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sdyy4rj6ukymd6snqtmvjgnlhp6rdw4buvgkujyczu3ut5rmtxwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0e8a32d068ae867e5296c365c837f273bcd56c48ce93130bb501c25d8e558f39
Formbook
23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9
Formbook
25c965edd039ebc00529a936e066f34149b4bb69c59c7a4fb575849584a71dda
Formbook
34834d278c8c71e3cc9d152c073cc444781465c285648630a1be19afab1abd24
Formbook
36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f
Formbook
ac00251b8ba5b7bd219bb23bb5134a11f1215d19aaa0915e5a00d7906906b19a
Formbook
bca5d8c8e6b1abbf2f9ed462fda3dc22c4f3b37ef2bd6f2bd6772c00fe7dc1af
Formbook
dae2da978ef889f28bb96b4b9f0519f4d04a62517bbefc55320ea8d81c70e3e8
Formbook
e5a8f33957bd7b07dcca669b694a3b4ee2929fe3dbbf10c5394c7b05144f64e3
Formbook
+ 3'596 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader trojan
Link:
https://tria.ge/reports/231012-kdkkjaba99/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
70dc1d5e493521be64cbd0b70a29f81f18e2da5473f151e51074a80a5648a80c
MD5 hash:
4c9f54531f6f253a51f0605540892091
SHA1 hash:
ff3c498cf3e35cf2e36cfcb573b4ef6dd9db39e2
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/a0b45165-4aaa-44ff-a89e-e5745fea82ae/
Parent samples :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 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
Link:
https://www.unpac.me/results/a0b45165-4aaa-44ff-a89e-e5745fea82ae/
SH256 hash:
90f18e453ea2b0c1fa4d84d95499ab3bfd11db81a54caa2702cd3749f62c9dec
MD5 hash:
703eeb530cbd41d86e20113624a18bd7
SHA1 hash:
997930463f0362f53c5f9ee26afed94eff148505
Link:
https://www.unpac.me/results/a0b45165-4aaa-44ff-a89e-e5745fea82ae/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/90f18e453ea2/report/overview.html
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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 90f18e453ea2b0c1fa4d84d95499ab3bfd11db81a54caa2702cd3749f62c9dec

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/453717/

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