MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58b81c217c594f2ecd371e7047ef2af55be55d998cdafeedfdb594918a74dd3a. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 58b81c217c594f2ecd371e7047ef2af55be55d998cdafeedfdb594918a74dd3a
SHA3-384 hash: 9b738973e8840d988d769dbc069ff819e3ed8ea3fdc58e78d7766d37a620a04afcd116dd179cd52e3c2343a0fd380e3e
SHA1 hash: 0100aaeb36c29e5b9bf8dd5aff7bb128e9ac7dfc
MD5 hash: 4c535d20d23b837c93673f03bcb1456d
humanhash: network-twenty-enemy-glucose
File name:New_order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:471'040 bytes
First seen:2022-04-13 16:38:48 UTC
Last seen:2022-04-13 17:38:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:JJrxlk32GeBFvp/G9+bSM/a9kamcBcVo40uk:3zk3z4nw+bSMy9Bl40uk
Threatray 14'857 similar samples on MalwareBazaar
TLSH T119A4CFA21D5121C3D5A41B35D0E6CCF17AE0B8AE8849B79CB884DF643FE54C9DA847BC
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
396
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
New_order.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 16:43:23 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/7a8776c8-323d-4be2-9d7f-db9ef9828106

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/263485/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.32042.20587.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6256fcaceab80a7a6c0b1447/reports/8ab6059c-2f5f-44d7-9619-9699d8fc3e8f/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40cb2dd4-dbfc-4701-a2be-95cb3ffeb6f1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976327
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
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 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
Performs DNS queries to domains with low reputation
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 608814 Sample: New_order.exe Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 10 other signatures 2->42 10 New_order.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...28ew_order.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 New_order.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.jiajssie.xyz 17->30 32 www.e-zinkpromos.com 154.214.218.40, 49822, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->32 34 7 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 control.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/58b81c217c594f2ecd371e7047ef2af55be55d998cdafeedfdb594918a74dd3a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-04-13 14:03:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lc4byil4lfhs5tjxdzyep3zk6vn6kxmzrtnp53p5wwkjdctu3u5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
343b4b05edd43bc8d86028dd220067dd99d435689cb815812d2db77875166b4d
Formbook
3987ea55911d57e4f6e97332a95794f8d38465b521f5b27e0372a4598ed702b6
Formbook
65af000633f7295c3fe288dafd34d42045a99caeef78568ecf0aab2a07036ef3
Formbook
94384e9eb5a340cf1d261e7a752e4b7c189857a9815629fe38bfaf7052bd5829
Formbook
9d6b789a2ad972a6aabefaad543608e0608f6c94b127eceee7b441bace6b7958
Formbook
c46f804f0a1b6899f11e3360a430d67a4bde7c7d677cc718b344753d1318636a
Formbook
fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9
Formbook
+ 14'847 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ioxf loader rat suricata
Link:
https://tria.ge/reports/220413-t5ye5sdefq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ad53acae071367ed26937b96492c12c2a9f78390eab755a424431b516908a634
MD5 hash:
7a7a0f11b730ba5f5ee0fcfb39f37236
SHA1 hash:
a1709817e2f25f48dafbe63ae1cae130e69e2d1d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0a3055af-9452-491c-a66a-69fdbf811d11/
Parent samples :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 hash:
17a99a95a21e47cdf9a8aec85f3f264e048f4086a409cf54a53854614bcc697c
MD5 hash:
44ca7e40513bd50708205ed47c3d18f1
SHA1 hash:
c1c8c7af4f1ef211865552276d5a2c2c16d6da52
Link:
https://www.unpac.me/results/0a3055af-9452-491c-a66a-69fdbf811d11/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/0a3055af-9452-491c-a66a-69fdbf811d11/
SH256 hash:
58b81c217c594f2ecd371e7047ef2af55be55d998cdafeedfdb594918a74dd3a
MD5 hash:
4c535d20d23b837c93673f03bcb1456d
SHA1 hash:
0100aaeb36c29e5b9bf8dd5aff7bb128e9ac7dfc
Link:
https://www.unpac.me/results/0a3055af-9452-491c-a66a-69fdbf811d11/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/58b81c217c594f2ecd371e7047ef2af55be55d998cdafeedfdb594918a74dd3a

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 58b81c217c594f2ecd371e7047ef2af55be55d998cdafeedfdb594918a74dd3a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263485/

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