MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dd0edd3378d0ca5ac63530a7bcfbb23584b5ea8c660fd71393f0bf03506c270. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments 1

SHA256 hash: 7dd0edd3378d0ca5ac63530a7bcfbb23584b5ea8c660fd71393f0bf03506c270
SHA3-384 hash: 68f21f5544e952d37bc05dbd85926523fc6ba15efa71cf116c13ff391c6ab86eef69c9e9d1c3e9f9e257a77ffb36b379
SHA1 hash: 5eff27087a49d17373c90834cd3b831c527ef568
MD5 hash: bfc1df301dd7522c221795076cf65929
humanhash: magnesium-robert-south-london
File name:bfc1df301dd7522c221795076cf65929
Download: download sample
Signature Formbook
File size:570'880 bytes
First seen:2022-06-09 23:13:33 UTC
Last seen:2022-06-09 23:44:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:OQM88qcsRh6H6gj84W9zsChvO7v2w/V1Pwk:OS80Re6gu9zt85t
TLSH T16CC4F12C369C179BE77ADBBA44A4611DE376701B6D13F74A89C56ACA2C317806C1332F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
351
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bfc1df301dd7522c221795076cf65929
Verdict:
Suspicious activity
Analysis date:
2022-06-09 23:18:12 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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
Snort IDS alert for network traffic
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 643017 Sample: Bk21Qe4LsF Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 36 www.zs-yaoshi.com 2->36 38 www.vrmonster.xyz 2->38 40 2 other IPs or domains 2->40 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 10 other signatures 2->54 11 Bk21Qe4LsF.exe 1 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\Bk21Qe4LsF.exe.log, ASCII 11->28 dropped 14 MRINFO.EXE 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 2 other signatures 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 30 2_nama.cdnbest123.top 101.32.224.111, 49843, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 17->30 32 jivraj9india.com 15.197.142.173, 49855, 80 TANDEMUS United States 17->32 34 9 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Performs DNS queries to domains with low reputation 17->44 46 Uses ipconfig to lookup or modify the Windows network settings 17->46 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2022-06-09 23:14:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 26 (57.69%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:zgtb loader persistence rat spyware stealer suricata trojan
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
68db486dd61b653e5c73e6d15864101f5365b9306155829ea537f4cd641c95a8
MD5 hash:
28452350791c93cb75a396194c57bc7a
SHA1 hash:
8a22e78383ea73ba1e9da5ef46eab4bc33d9cc1e
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
7dd0edd3378d0ca5ac63530a7bcfbb23584b5ea8c660fd71393f0bf03506c270
MD5 hash:
bfc1df301dd7522c221795076cf65929
SHA1 hash:
5eff27087a49d17373c90834cd3b831c527ef568
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 7dd0edd3378d0ca5ac63530a7bcfbb23584b5ea8c660fd71393f0bf03506c270

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-09 23:13:54 UTC

url : hxxp://103.167.91.26/gcloud/vbc.exe