MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4938a8244543631ae11deb46e8b4cc3f0a8b8b7c2d4a1246f5bfadb29e0094c. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4938a8244543631ae11deb46e8b4cc3f0a8b8b7c2d4a1246f5bfadb29e0094c
SHA3-384 hash: 8659dfbd7f2ecf95da4beb4f35c1d9ebff38340a0972b102f3541cd21e5a841b413d328387dbf1a1bddf970ce600c4f5
SHA1 hash: ec7e5feb317065b845fef98dccd191d04e4f3e53
MD5 hash: 691c0bfb53b7e5012c0e60de1fe59728
humanhash: item-salami-shade-network
File name:SwiftMT103_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:207'857 bytes
First seen:2021-04-06 08:14:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9c523d8653da5455667e3f82274f2f88 (6 x Formbook, 2 x SnakeKeylogger, 1 x AZORult)
ssdeep 3072:AbLpZuEskJ1tLQ2WOzP+OAeZd99+43f/oIeVvpxVveZdQ2JPIKqXMQn9tg:AbOq7bAeM1pDGQ2JPSDg
Threatray 4'559 similar samples on MalwareBazaar
TLSH F41412B97AD084BBDB034B710B7A7616F7BA7B01821C75C73B514FB67A6C08398460DA
Reporter abuse_ch
Tags:exe FormBook SCB


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.hinet.co.id
Sending IP: 116.213.52.215
From: Standard Chartered Bank <mahpuz.m@hinet.co.id>
Subject: SUBJECT:Advice from Standard Chartered Bank
Attachment: SwiftMT103_pdf.arj (contains "SwiftMT103_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SwiftMT103_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-06 08:22:32 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/5afd2916-a574-4b60-9495-6a242cd4595a

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/132611/
Detection(s):
SecuriteInfo.com.FakeAV.AVB.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/667310
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 382584 Sample: SwiftMT103_pdf.exe Startdate: 06/04/2021 Architecture: WINDOWS Score: 100 33 www.spkariyer.com 2->33 35 spkariyer.com 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 4 other signatures 2->49 11 SwiftMT103_pdf.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\fvcddkh3x4jl.dll, PE32 11->29 dropped 31 C:\Users\user\AppData\Local\...\nsf805E.tmp, DOS 11->31 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Maps a DLL or memory area into another process 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Contains functionality to prevent local Windows debugging 11->65 15 SwiftMT103_pdf.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 9 15->18 injected process9 dnsIp10 37 schnitzel.party 51.89.9.195, 49722, 80 OVHFR France 18->37 39 globalcheapflights.net 104.219.248.15, 49725, 80 NAMECHEAP-NETUS United States 18->39 41 15 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 svchost.exe 18->22         started        signatures11 process12 signatures13 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 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e4938a8244543631ae11deb46e8b4cc3f0a8b8b7c2d4a1246f5bfadb29e0094c/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-06 06:33:42 UTC
AV detection:
16 of 48 (33.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4sjyvasekq3ddlqr322g5c2mypykrofxylkkcjdplp5nwkpabfga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
139aff99375e0baaf57ee7e304a07edba35eb7995633d2c38db8819b6b127a30
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a3d951fa76fbb0f24540b97767e2d327b9bdb2e6e93721cb3da4ac5370118dbc
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ab95bc3c40647b2b700cdb9aba76b6de220fd528fd194e6071c1747df6cb78ce
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b0762ca49381026932f488d2a816a18639c410ba45f456014861ac66b9b3f4e6
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ce399cb6f48a7daf6fd1ce9ffc9a0fe086d101fac2c11a1a636e1932d3303c90
Formbook
e6e9f774351440aef9b0b309282155ad0258f6e97da820170384454711e4bef8
Formbook
+ 4'549 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210406-59fxljmsrx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.zlzntiayc.icu/a6ru/
Unpacked files
SH256 hash:
f193454ae9897a4774e74873cc549ac7822e9c0a84a7f7118bb1f111988c310a
MD5 hash:
14aea992af6e0758eefefd89fdc03e82
SHA1 hash:
9d53a54b8d288ef1acc599705bae31d5b8271301
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/319ff15e-cc19-4d21-9723-4501f6cdf93e/
SH256 hash:
8c4ee1786261ad4189671fe88ea9dc983af2c0c0e25a236d5c5c7148d0a5fa0b
MD5 hash:
88c51c34b1dc0974ab4c400f6e254744
SHA1 hash:
1a032e9eed6f47550bf107c27a737cadf44f158b
Link:
https://www.unpac.me/results/319ff15e-cc19-4d21-9723-4501f6cdf93e/
SH256 hash:
e4938a8244543631ae11deb46e8b4cc3f0a8b8b7c2d4a1246f5bfadb29e0094c
MD5 hash:
691c0bfb53b7e5012c0e60de1fe59728
SHA1 hash:
ec7e5feb317065b845fef98dccd191d04e4f3e53
Link:
https://www.unpac.me/results/319ff15e-cc19-4d21-9723-4501f6cdf93e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e4938a8244543631ae11deb46e8b4cc3f0a8b8b7c2d4a1246f5bfadb29e0094c

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

File information

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

Malspam

Formbook

arj 6d362676cbff16a9da47bc5f47c66f60e1022286879aa2db74de8f02bcab05ac

Formbook

Executable exe e4938a8244543631ae11deb46e8b4cc3f0a8b8b7c2d4a1246f5bfadb29e0094c

(this sample)

  
Dropped by
MD5 5c3fe229c8ec609000f900ae8a0e0c31
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/132611/
  
Dropped by
SHA256 6d362676cbff16a9da47bc5f47c66f60e1022286879aa2db74de8f02bcab05ac

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