MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95c058c714f6b443f68eedc24f78b9b5b834b4e4d77dbc20666684bc6d2e321d. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 95c058c714f6b443f68eedc24f78b9b5b834b4e4d77dbc20666684bc6d2e321d
SHA3-384 hash: 05622236066c49563349b1d809c764dead9424faac7926910afad2189c16339ba444afa45cc283803cded862db7b006d
SHA1 hash: c248eddfd9dafed4f12abf83b4d895ee573f9e6f
MD5 hash: bab285a6553bfb7f6580eb418d73429c
humanhash: three-juliet-vegan-glucose
File name:z1Emir.exe
Download: download sample
Signature Formbook
File size:853'504 bytes
First seen:2023-07-24 11:23:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:78DHORHPUTG7mq/wY6+a002ECOGZZRMIour7HGvhhjB:78DORvUS7mq9pLOoaIogG
Threatray 2'924 similar samples on MalwareBazaar
TLSH T15705283818BC1627C1B4DFF58AD58427B2E0A96F7115EE386DD357D64216B02E8C3A2F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon c198989999e9b179 (16 x SnakeKeylogger, 13 x AgentTesla, 8 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
z1Emir.exe
Verdict:
Malicious activity
Analysis date:
2023-07-24 11:26:16 UTC
Tags:
formbook xloader

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Gathering data
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
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1278263 Sample: z1Emir.exe Startdate: 24/07/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 9 other signatures 2->42 10 z1Emir.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\z1Emir.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 z1Emir.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 1 1 14->17 injected process8 dnsIp9 30 www.1wsdok.top 212.8.250.200, 49721, 80 WORLDSTREAMNL Netherlands 17->30 32 www.riabanker.com 13.248.169.48, 49722, 80 AMAZON-02US United States 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-21 08:40:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:p1a4 rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
9e4c7f982fa3cc556a57a252789cb6a6c5d6a4a610ac0940b82632c5f7618338
MD5 hash:
f7a973cfb43d34779e99be8543f68a92
SHA1 hash:
1e770eb4c5b92bbc8e4911f7108ec601036e568c
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
fe259d83681439e4f21825da68fa905f64b21da63af9f091c258ff2c1a7f1782
MD5 hash:
8b665ed4313e0c90b7fef1f563b7f20a
SHA1 hash:
f4b49ff1f91a4294e35a35648cc3c5b5d4f4f41d
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
eb9659fe647ed73c38a6ed5cf811392aa36230b6ff91a8588d1b5ab557757eb0
MD5 hash:
0364f8100802aade2ab6f4027e7e7c2c
SHA1 hash:
17830b30799b545cf25f676a407608ca4be4c17c
SH256 hash:
95c058c714f6b443f68eedc24f78b9b5b834b4e4d77dbc20666684bc6d2e321d
MD5 hash:
bab285a6553bfb7f6580eb418d73429c
SHA1 hash:
c248eddfd9dafed4f12abf83b4d895ee573f9e6f
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:Dotnet_Hidden_Executables_Detect
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
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.

Malspam

Formbook

Executable exe 95c058c714f6b443f68eedc24f78b9b5b834b4e4d77dbc20666684bc6d2e321d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments