MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 895ac6ed45076477649b8b8fd01976b9753ae33cfa350b7dbdf27a6f1bb154a7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 895ac6ed45076477649b8b8fd01976b9753ae33cfa350b7dbdf27a6f1bb154a7
SHA3-384 hash: 782cfbf62341e7038f6ade29cb9ce8d84467642d640fdd74a710eb33895ffd741104d6685647b700ba9784219f0aeb46
SHA1 hash: 6fd98d68c6d05c4304ca0413f110e25d21f4c1f4
MD5 hash: 59e01e4663f27534cf4657249c27ff26
humanhash: oven-yellow-cold-alaska
File name:009283774652673_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:751'616 bytes
First seen:2021-09-10 13:16:47 UTC
Last seen:2021-09-10 13:27:29 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:hJG+ZUO3+VUPObK1Cnf2VtYLrlz1+e+AnioYer63NpKb9X60KcXB8/Cc+BLGM4Gd:DLZzHwltDYer63NKTx7cIKG10MBb
Threatray 9'444 similar samples on MalwareBazaar
TLSH T151F427343AEB901DF273FF795FE474C7AA5FB6633606A45D209103860A23A41DE9163E
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
009283774652673_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-10 13:19:17 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b17b2baa-394a-427a-92b8-a60b4da5d9d7

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/186886/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d811151d-bfa6-494f-a175-939889e81062
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848789
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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 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)
Multi AV Scanner detection for dropped file
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 481220 Sample: 009283774652673_pdf.exe Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 45 www.myx.guru 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 10 other signatures 2->59 11 009283774652673_pdf.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\VlTRlO.exe, PE32 11->37 dropped 39 C:\Users\user\...\VlTRlO.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp15F9.tmp, XML 11->41 dropped 43 C:\Users\user\...\009283774652673_pdf.exe.log, ASCII 11->43 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 11->63 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 009283774652673_pdf.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 009283774652673_pdf.exe 11->20         started        22 2 other processes 11->22 signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 24 explorer.exe 15->24 injected 28 conhost.exe 18->28         started        process9 dnsIp10 47 www.xn--vh3bo2id9pa.com 24->47 49 www.transportes-resendiz.com 24->49 51 9 other IPs or domains 24->51 61 System process connects to network (likely due to code injection or exploit) 24->61 30 msdt.exe 24->30         started        signatures11 process12 signatures13 69 Self deletion via cmd delete 30->69 71 Modifies the context of a thread in another process (thread injection) 30->71 73 Maps a DLL or memory area into another process 30->73 75 Tries to detect virtualization through RDTSC time measurements 30->75 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/895ac6ed45076477649b8b8fd01976b9753ae33cfa350b7dbdf27a6f1bb154a7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-10 13:17:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfnmn3kfa5shoze3roh5aglwxf2tvyz47i2qw7n56j5g6g5rkstq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
149bc7bb666f2eabcf946822bd316709ddeeef787f059687415f98c71ad47783
Formbook
1dc173b24c0b503a394568e4a1fff7887dd739cc287e529f25b173dbfea4010b
Formbook
5e5f76b60e8eb895e5af44be8ce40f88b77a44840851f761e6818da652ae5cac
Formbook
5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337
Formbook
6b7bd383f832bdf845fc7632d277abef4c35815afd1c285102d63cd9dcc7d466
Formbook
6d308c2e93c341ef11c0b14420e158fd650c637190a4daedf003ec091e703a85
Formbook
8241caa4d6c5a09290864492d19dee143f0f80074d370135c0f91bad01c16ee3
Formbook
b194903f2fb1231113b2cffdd6cf47e25d4d9f99675654f70865b1f3d0a9160c
Formbook
+ 9'434 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:zrmt loader rat suricata
Link:
https://tria.ge/reports/210910-qjc1jadcap/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.desertgardenrealty.com/zrmt/
Unpacked files
SH256 hash:
2c02a78626378ea6e89e6102945d74a1d6766dcf5f25886fdd3d551d0f2e7b88
MD5 hash:
fa59ff8ce8ace5ed9463d3e90a7bcb65
SHA1 hash:
e5eb300c150b4a14be1ca8c5daf8f74c17ec952a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8f70aacc-5b23-4709-9503-4e0711de14e8/
Parent samples :
895ac6ed45076477649b8b8fd01976b9753ae33cfa350b7dbdf27a6f1bb154a7
c2156cff89f8a8d7c21326afe3f22b6a152bdf92f1a04475da3488236d12698e
eb71f32d26de060a63615acc43153a83f87570e0edb43bc4e7b47caf45c34eee
ea9994b2d9543049c1bbd710592146c621673693508f6674190613625e68d9f2
684c1789d8d0a6fa2c5b2e0e3d408007f972533b853f4cd7420689c61209bbcc
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/8f70aacc-5b23-4709-9503-4e0711de14e8/
SH256 hash:
7a161c61af9f101655def87ccc46625f307adcd5743c5aee78ae690825a17f70
MD5 hash:
f92d72765f91398e101151256a06699b
SHA1 hash:
bbd14a1490a9711611747caed093633ef19c9bf0
Link:
https://www.unpac.me/results/8f70aacc-5b23-4709-9503-4e0711de14e8/
SH256 hash:
895ac6ed45076477649b8b8fd01976b9753ae33cfa350b7dbdf27a6f1bb154a7
MD5 hash:
59e01e4663f27534cf4657249c27ff26
SHA1 hash:
6fd98d68c6d05c4304ca0413f110e25d21f4c1f4
Link:
https://www.unpac.me/results/8f70aacc-5b23-4709-9503-4e0711de14e8/
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/895ac6ed45076477649b8b8fd01976b9753ae33cfa350b7dbdf27a6f1bb154a7

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: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 895ac6ed45076477649b8b8fd01976b9753ae33cfa350b7dbdf27a6f1bb154a7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186886/

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