MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eb705a138ca2f8b57e12960c2e89be695c156affbd5bb6a606aa685cb3b0ebe. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 4eb705a138ca2f8b57e12960c2e89be695c156affbd5bb6a606aa685cb3b0ebe
SHA3-384 hash: 3b98a74123346551d94dccd50197827189dabf1c6459e9d94851723bb925bcb85c6b1907581ade467cd19134a1a52d8e
SHA1 hash: baa3b463e5fcde8a6dabfb113e7050e39242bcea
MD5 hash: 35ab852e18c2cbb0072c16c23aabae89
humanhash: asparagus-oscar-gee-jersey
File name:aZDSUPv6IlTFjIz.exe
Download: download sample
Signature Formbook
File size:801'280 bytes
First seen:2023-02-14 07:19:10 UTC
Last seen:2023-02-14 08:33:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:vh6q6EMAYC0ND571Vd8sRESXdCJb+v3V1zCRbsjr9IzFI3Y0fwRvALaCK+e0E:vYXgQ57jJEb+zC/RIo0MAOj0
TLSH T13C05220A599D9B67D53DC3F84A36A974D731ADB53D31E6AA0C833BCF20357A0081678B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
190
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aZDSUPv6IlTFjIz.exe
Verdict:
Suspicious activity
Analysis date:
2023-02-14 07:22:04 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
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 submitted file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 806922 Sample: aZDSUPv6IlTFjIz.exe Startdate: 14/02/2023 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 4 other signatures 2->42 10 aZDSUPv6IlTFjIz.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\aZDSUPv6IlTFjIz.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 aZDSUPv6IlTFjIz.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.appatit.com 103.224.212.221, 49696, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 17->30 32 www.kaktyc.ru 77.222.61.31, 49695, 80 SWEB-ASRU Russian Federation 17->32 34 www.fliparcher.store 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.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:
2023-02-13 08:47:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:p25s rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
d0a171ca0031dcff87f8328fdd349657214beefa3f703857911bd2ee4082ca8a
MD5 hash:
36704a3b80993fabbc333177af278f4d
SHA1 hash:
e2b3d1f18a3003f1b990db21fedf19556e84d19f
SH256 hash:
46d38fd8af5554775151f9861becf1502108d6de5dd044437ae224d7ef2a1f7d
MD5 hash:
06a0d03a40047814df5f86da6ce96007
SHA1 hash:
c5196a8a6defc7696915b4b5f4ea57c46764070f
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
SH256 hash:
4eb705a138ca2f8b57e12960c2e89be695c156affbd5bb6a606aa685cb3b0ebe
MD5 hash:
35ab852e18c2cbb0072c16c23aabae89
SHA1 hash:
baa3b463e5fcde8a6dabfb113e7050e39242bcea
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.

Malspam

Formbook

Executable exe 4eb705a138ca2f8b57e12960c2e89be695c156affbd5bb6a606aa685cb3b0ebe

(this sample)

  
Delivery method
Distributed via e-mail attachment

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