MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523
SHA3-384 hash: 800b131d17faa6b84405d58d915e44c132383290b731cf57487f039abbd72ad6ccfaf40612ddd8fac3b1a0a7f2d9dd45
SHA1 hash: 08524b6afd2b42a38c928571125fe1ad58a432ae
MD5 hash: 4251381938acc874217f99886ffa32d8
humanhash: edward-four-nine-harry
File name:DHL CONSIGNMENT_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:308'762 bytes
First seen:2023-04-01 07:24:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:DYa6tOM3oAoGtvFu8iE42UhOz3mGLZ92wibZKNsmhgZUzHS2:DYXp4AoGZk8iE4JGWIZ93WzUzHS2
Threatray 2'634 similar samples on MalwareBazaar
TLSH T1A764128822A9D0B7D8F3063D0EBF5B5FBDE5A42225F1874F43501B5ABA227506F0D762
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
DHL CONSIGNMENT_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-01 07:35:11 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3de0f846-8d11-4299-9977-7da3461d1b94

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/379204/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66180542.19737.4721.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75995/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6427dc51d1b7f0d264f9858c/reports/7253e24d-ac2d-4c7c-bfdf-cd48b93a0c0d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4bc0b3c0-4819-4373-8ebe-e88f2adabad6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1206296
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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 dropped file
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839213 Sample: DHL_CONSIGNMENT_pdf.exe Startdate: 01/04/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 4 other signatures 2->39 9 DHL_CONSIGNMENT_pdf.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\chrnrdy.exe, PE32 9->25 dropped 12 chrnrdy.exe 9->12         started        process5 signatures6 53 Multi AV Scanner detection for dropped file 12->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 chrnrdy.exe 12->15         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 2 6 15->18 injected process9 dnsIp10 27 www.isabellagambitta.com 185.27.134.217, 49707, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 18->27 29 chicagocarsdetailing.com 50.87.253.230, 49720, 49721, 49722 UNIFIEDLAYER-AS-1US United States 18->29 31 7 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 22 control.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-31 00:03:05 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6yq4junireomkvbwmze4ingxe2nhvnsgwmqscoe7gux7u2n22urq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b4d4ab86573d05f38f7d2fe83635c75da4462eacadd1859f00bdbdc3809f6fe
Formbook
804b5ea31eb2d266580093c2a144a1f62ef1ba88e39d2de9d79bbad405408197
Formbook
9963c30bed4a82426aa769e6239f538dc038be8bd59b1d43534456b54b29880c
Formbook
a21c6c623959c4995842ace85f7f5a7e3751c4930d28ebad92c7a737a7f8cfb8
Formbook
a38130878bd9f54c581173d7e7ed0429ac81d961037788532d4b3d026538a66d
Formbook
a869d4bf9cb854007d1a00ddbcafde3d0aa1aab116dcbb871a59c5069a99ade7
Formbook
aeb52b6f9b9f7b458048aa0eba6255840d1a90f4309f18c95acc0f3f4b972df3
Formbook
e6d190254a9da63d379fe136d687503b5b4f9eb34f1d45bb15bcca49aa92e79e
Formbook
f3b8435e7359411cefb4d6c762550f4881195a2ec0cb035da5737c4b4891fb6f
Formbook
+ 2'624 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230401-h8y1asgf65/
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
46c923cf1444dc31d0667c8ce2225abe73e3a3482e5f82ae4178a90b67d1e4cf
MD5 hash:
1518fa48754521a0e552e2cce412cc09
SHA1 hash:
d3da3c607f13dc79d3edb5cfc2e32a11e5fdb625
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fdffa623-4173-4aea-88a5-c515f62368f0/
Parent samples :
a38130878bd9f54c581173d7e7ed0429ac81d961037788532d4b3d026538a66d
a9040caf7893126e2f52fa1811b908e94f2a8e4126b37cd9024e6e9b1b0e25e6
651db78cf227322aa6d3f4ec967eebe97d0cc9bb26a39a06efd143e0e093208d
f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523
SH256 hash:
21f920b5b7af3d3536f935bbc533502796e484d0f7760d8ec007e6e7b4ec319a
MD5 hash:
ed8e9bd83bf5d1d8355a3b7490590d83
SHA1 hash:
529dfca8390649ce939521cb1bba2ac3da723308
Link:
https://www.unpac.me/results/fdffa623-4173-4aea-88a5-c515f62368f0/
SH256 hash:
3ceaef518d8ba53477c1ef4610f2ad8048c7b710d389c05cfa8ad15aa2038e77
MD5 hash:
b4eabad43b681cc3cf9aefb23917745f
SHA1 hash:
ff5097003c12936e6c0dd984ef5db93f905f4738
Link:
https://www.unpac.me/results/fdffa623-4173-4aea-88a5-c515f62368f0/
SH256 hash:
f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523
MD5 hash:
4251381938acc874217f99886ffa32d8
SHA1 hash:
08524b6afd2b42a38c928571125fe1ad58a432ae
Link:
https://www.unpac.me/results/fdffa623-4173-4aea-88a5-c515f62368f0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f621c4d1a889/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe f621c4d1a8891cc554366649c434d7269a7ab646b32121389f352ffa69bad523

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/379204/

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