MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5583f28c613411219bdb73b1c05505679f9d87cbb70f1ab9f35bd65a6e5d25a. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5583f28c613411219bdb73b1c05505679f9d87cbb70f1ab9f35bd65a6e5d25a
SHA3-384 hash: 38707fcade29a85a2729584d3e2083998a565dc3131f37d544c3d9be7b9be845ea7c854bea5b08692fe1ba2f9dc583fb
SHA1 hash: 06ed3d91fd43ae63081fc0bbe75560acd18888ae
MD5 hash: e55219d338bb8ab50b7b2da00c5768e8
humanhash: burger-earth-quebec-river
File name:e55219d338bb8ab50b7b2da00c5768e8.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'072'128 bytes
First seen:2021-02-05 19:45:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:3HNQrR5s5l6kn37AD3lv16Qa5IEJ61sms:o5s5l6kn37I3tatn
Threatray 3'744 similar samples on MalwareBazaar
TLSH A235F516639C2FA9F07DA779A920544503F6BF26E3A2EE0E7C9938CE0935F40C751B52
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Doc..xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-05 16:14:55 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/d91eea40-d82a-41c7-a1da-7dc7009532b9

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/115872/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.532.24048.19445.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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/600814
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 349426 Sample: spxPV5lBio.exe Startdate: 05/02/2021 Architecture: WINDOWS Score: 100 35 www.turkhristiyanbirligi.com 2->35 37 www.metrosdahospitals.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 11 spxPV5lBio.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\spxPV5lBio.exe.log, ASCII 11->33 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 spxPV5lBio.exe 11->15         started        18 spxPV5lBio.exe 11->18         started        20 spxPV5lBio.exe 11->20         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 22 explorer.exe 15->22 injected process9 dnsIp10 39 pdfbookplanet.com 23.111.145.114, 49746, 80 HVC-ASUS United States 22->39 41 www.mmcllcbiz.com 38.145.222.125, 49738, 80 ENZUINC-US United States 22->41 43 4 other IPs or domains 22->43 53 System process connects to network (likely due to code injection or exploit) 22->53 26 cmmon32.exe 22->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d5583f28c613411219bdb73b1c05505679f9d87cbb70f1ab9f35bd65a6e5d25a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-05 05:27:29 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00acf6968d171803228a4f1450253321b344b28f0354ddf9c1c2264922413b06
Formbook
1ef213730f8d967270ebb2edebb9086f266870c9146be06a38f5d36ce3f627c1
Formbook
20eb20f9b9fa4186e31943fb30235c77fd0816a5e6b6fc1ac2a9144b46672e3d
Formbook
5354b3a337fe1f19dbbcd98ebbea35e58fd953c86b99cb1678d8f9c849e8d55c
Formbook
74e5237030f7b3dbbcdfd7f30bf3fd3e463cbe7d6253c8bd7a737b6aeab05b5a
Formbook
a0a65e80ca7f9fe9b5dbe136cf4a2b548df61516c223684f43b6701019fa3d17
Formbook
ca179c01ce38a54fa4659496a086973f3fc99870230a725fc782c71453ac5f54
Formbook
da2b43b42246980530438667562ee8d128b2b748e817c03519157f9ba7a67ca2
Formbook
eb84b9475f21007662b9bfced7b93b2f4afa3777839ec9205d192b6f60886b0e
Formbook
f53df4e1f9405d98a02cf34bedf2ee5df88437c130eb339eb6da9850f14ad443
Formbook
+ 3'734 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210205-842jc75dye/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.badstar.net/tmz/
Unpacked files
SH256 hash:
c9908817e37a7817efad0bf0e1da3e43dc980cbd6c0724f320d3e255554da46b
MD5 hash:
f34e304f4b294056e9305656ecb1cb55
SHA1 hash:
32ae4c3f215a3c4d03febfb467d110448c1af459
Link:
https://www.unpac.me/results/ead23dca-91b0-4a24-8145-db9ba1e0d776/
SH256 hash:
28ecbd285ee1027f0a0f62230218365c9be633735de89ab2b12a14c3b015ab4c
MD5 hash:
0ccff382a6e8b28388878626a0685e10
SHA1 hash:
5cfafa8e56260a6b8a62f9af16aa39b579337138
Link:
https://www.unpac.me/results/ead23dca-91b0-4a24-8145-db9ba1e0d776/
SH256 hash:
995a0fef02af161b6d4c0c9268c7b1d8e5ce15c298d05fefe6f4dac07a1a4f58
MD5 hash:
eec4f2e7408160fdaddfad262bc66b7f
SHA1 hash:
9c1c73f4dc3ac097fa1c558b6823a1329e8eb1e2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ead23dca-91b0-4a24-8145-db9ba1e0d776/
Parent samples :
ca179c01ce38a54fa4659496a086973f3fc99870230a725fc782c71453ac5f54
00acf6968d171803228a4f1450253321b344b28f0354ddf9c1c2264922413b06
a0a65e80ca7f9fe9b5dbe136cf4a2b548df61516c223684f43b6701019fa3d17
74e5237030f7b3dbbcdfd7f30bf3fd3e463cbe7d6253c8bd7a737b6aeab05b5a
1ef213730f8d967270ebb2edebb9086f266870c9146be06a38f5d36ce3f627c1
d5583f28c613411219bdb73b1c05505679f9d87cbb70f1ab9f35bd65a6e5d25a
SH256 hash:
d5583f28c613411219bdb73b1c05505679f9d87cbb70f1ab9f35bd65a6e5d25a
MD5 hash:
e55219d338bb8ab50b7b2da00c5768e8
SHA1 hash:
06ed3d91fd43ae63081fc0bbe75560acd18888ae
Link:
https://www.unpac.me/results/ead23dca-91b0-4a24-8145-db9ba1e0d776/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
Link:
https://yomi.yoroi.company/submissions/d5583f28c613411219bdb73b1c05505679f9d87cbb70f1ab9f35bd65a6e5d25a

File information

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

Web download

Formbook

Executable exe d5583f28c613411219bdb73b1c05505679f9d87cbb70f1ab9f35bd65a6e5d25a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/991348/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/115872/

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