MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48c14b723a8b4aa6b42e6804c7c94c327cd928dde33ba9af667a14c3af17dcc2. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments 1

SHA256 hash: 48c14b723a8b4aa6b42e6804c7c94c327cd928dde33ba9af667a14c3af17dcc2
SHA3-384 hash: 6c15a095cc1ff769facf887067c19e886fc0ab912bbf0d7d91414a667a0229b55fde033887a9afd9c3ae90d7f4b27d97
SHA1 hash: 51236f88d813e125003fb5ef718cd3c8899b9f11
MD5 hash: ae0c40a5371af1e83fbfa986766bc6a6
humanhash: victor-massachusetts-missouri-july
File name:ae0c40a5371af1e83fbfa986766bc6a6
Download: download sample
Signature Formbook
File size:698'880 bytes
First seen:2022-07-12 17:46:08 UTC
Last seen:2022-07-22 10:58:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'773 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 12288:1arY4shcR0wZEggKY5M1tUeos9FiKPs0Z4NJ/smlX0VrRnDlt:1ak4s2OKY5MfFUKQJk6XCR
TLSH T1B5E41248BBE8DC19D596EFB17922C08451B3BF1A692DEB4D6D9B76AF44703011C22B0F
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
372
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ae0c40a5371af1e83fbfa986766bc6a6
Verdict:
Malicious activity
Analysis date:
2022-07-12 17:52:52 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
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 662130 Sample: 5HcrGm0kLd Startdate: 12/07/2022 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 7 other signatures 2->38 10 5HcrGm0kLd.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\5HcrGm0kLd.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 5HcrGm0kLd.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.changshengchuangfu2.xyz 47.243.174.176, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2022-07-11 08:04:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
8ecca7edb14d4eb773e46a1a1a167a8ab871a9c75ace0ffe75839b742e616cf8
MD5 hash:
db82175e0ac7b8040ef2e2b2a6aa4993
SHA1 hash:
d9ac0e1346ca3b4a73b3b46d4b8f04332c5cae01
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
70bb4f8aa7d0a33f8206f78c845fa2bd686c2a0f2b3bd50cd0b6b887a45398ca
MD5 hash:
30d61a3a3e26c2bca2eb766990132d7c
SHA1 hash:
94f9742d5f21b13f7d8d194fe938193cbb6a0d4d
SH256 hash:
4a39708c9fc583c2bbbdf3680dc820e3b342a22507c50c1d811294abcab9781d
MD5 hash:
2b356aed6eb1995fcb80ea7b679bc4d0
SHA1 hash:
8d66b31b71e150833c99a6a02ec686a003a2ad91
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
SH256 hash:
a01a422e594db3f05029320fc6ed5cc21277bafda9def35e953b72b3a527cf1f
MD5 hash:
754ac9511c155489cbd82496331b0436
SHA1 hash:
73f6953d1c82aa558cebb091131bca4de738fd76
SH256 hash:
48c14b723a8b4aa6b42e6804c7c94c327cd928dde33ba9af667a14c3af17dcc2
MD5 hash:
ae0c40a5371af1e83fbfa986766bc6a6
SHA1 hash:
51236f88d813e125003fb5ef718cd3c8899b9f11
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 48c14b723a8b4aa6b42e6804c7c94c327cd928dde33ba9af667a14c3af17dcc2

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-12 17:46:27 UTC

url : hxxp://107.172.76.179/doc/bin.exe