MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28
SHA3-384 hash: ceec074b4259727249008de18b294bab76124481df1a8903902399e7adb04c9fb33598b8494cd8802b8d2333ceb7fa34
SHA1 hash: 8a40340b17d44ee427273731021e1d3182011b93
MD5 hash: fe206e41e77bf87a50abe5d14ced79c3
humanhash: robin-august-mango-floor
File name:PO #20220117-0038.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:899'072 bytes
First seen:2022-03-25 18:31:32 UTC
Last seen:2024-07-24 11:27:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:xl4OyzBwE4bVTbgGyLYD12QFBnweFHCAmHps8J/q/ZdUbYWt1i1cu6zKJ2PKoPfG:YOowzV3Rh2p664
Threatray 14'548 similar samples on MalwareBazaar
TLSH T13D15739DB2F076DFC85BC472DEA81C68FA9074BB930B8203905715AD9A4D997CF142F2
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/257899/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1270.21134.10353.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/623e0ab4a19c6494128efdf2/reports/724cee9c-ed4c-4044-adc6-f6ae0918f10f/overview
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/d014d4ec-ac6d-466f-bcda-1b9cc8791b2f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/964833
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 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
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-24 18:44:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cn4k5bmqispldvbqbiumueizbf7vsvfmnrkpthoa3a6xlwjs3iua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c
Formbook
1aa89074af39244a69ae04905a4f959cb59d567abbbb7ab76407c2fa34a8f59b
Formbook
274ad8fbc0f3995418c0e0fa4a1ed960730f77e5fbfb0b7c511651144d613284
Formbook
2a5fecaa7aa29ffedca8d999e1868afef3a14ca955248b617d3445ea239186e4
Formbook
59ea7066c5ea6dc18d7139bb8773375246fdaa93001567a4cf3abf356e9d7b34
Formbook
67435ee3c6fd3d272c004256f34020df37fb93fd33c18720053b9d2c1bb19b67
Formbook
6b765d70d97e0b3d8da0d871555d9d284bd08e85034ad45447bde1aadd2b2878
Formbook
+ 14'538 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:nig8 loader rat suricata
Link:
https://tria.ge/reports/220325-w6rebsgafn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
2da41f4fc1cd5fc3a03337115dbabafd5fad7cf6594118131ce8e17a9de53ed4
MD5 hash:
d21d65e25edcbc47b3e7bdae5269d7f7
SHA1 hash:
7da7c85b47cece322eec9a65e3fa9ac2eef354fe
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/518cddcf-ed4d-4db1-836b-af5332a7575f/
Parent samples :
b8620affccaa451b93959f0a3e853a960ede3740148c7da1c52372938fcbdcb7
c9696f9d9f78c732a50860f2b9837d6527ad0f74dbd5bc44bc6446d3c51d7954
745df99008d9984e2af33ab01ee5a986a053996465d2c127ecc683e51ef0e3e6
1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28
f56e78fdd05ad22063c5d64f7852017ad8b8859015d420473917197dd7565403
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/518cddcf-ed4d-4db1-836b-af5332a7575f/
SH256 hash:
18da0255a5979195a29139db7cba80e1b11cff87bc85b265fe9d47ca86317be9
MD5 hash:
3e2a32abfc246e1678d748979008338a
SHA1 hash:
3745b6e7723de4ffa579d5b1bde8cffdc18fa92a
Link:
https://www.unpac.me/results/518cddcf-ed4d-4db1-836b-af5332a7575f/
SH256 hash:
1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28
MD5 hash:
fe206e41e77bf87a50abe5d14ced79c3
SHA1 hash:
8a40340b17d44ee427273731021e1d3182011b93
Link:
https://www.unpac.me/results/518cddcf-ed4d-4db1-836b-af5332a7575f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28

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: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 1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/257899/

Comments