MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 829b0cf5a06a20d2a4ff31190f56d23ddc994ff8807bd12feebecc255afb0160. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 829b0cf5a06a20d2a4ff31190f56d23ddc994ff8807bd12feebecc255afb0160
SHA3-384 hash: a3f5033a1807e0f35bb32a43a7e9c4409a47ed35efb9608135b4de232a38c6ce3d843205d7bd6b50bc386cffa0ee02af
SHA1 hash: 7b029b00e3467c72718b31af20f610e42fc19140
MD5 hash: f736c6081eb850e32c805fab74bbf941
humanhash: table-sierra-winter-lima
File name:MUEbcaypuo2eAhL.exe
Download: download sample
Signature Formbook
File size:927'744 bytes
First seen:2021-07-14 13:56:39 UTC
Last seen:2021-07-14 15:07:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:VDz8+G937BossfnOgeBIcfuqtxfpw39gUX6jGSRLeTtOzlIBvb3n0UEeCss46FZE:VDz8/abJeBuqP26GTtOzGvj0PVg6DIt
Threatray 6'662 similar samples on MalwareBazaar
TLSH T1DD15E1A26241D64DDD69CF3C44616D006BB1BEF3523EE24F6CE238DA397B24B49F1582
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MUEbcaypuo2eAhL.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 14:09:27 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 448663 Sample: MUEbcaypuo2eAhL.exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 31 www.faszination-wetter.com 2->31 33 faszination-wetter.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 11 MUEbcaypuo2eAhL.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\MUEbcaypuo2eAhL.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 MUEbcaypuo2eAhL.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 clc-24.com 192.185.36.108, 49768, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 savealotswfl.com 192.124.249.11, 49773, 80 SUCURI-SECUS United States 18->37 39 11 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-14 12:41:37 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
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
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.designsbynandini.com/fznn/
Unpacked files
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
SH256 hash:
eded6f2539044322b5bfccdf0247642a6018c672492919a383a3b3fb02aafe4e
MD5 hash:
7ddfbf5e61e7003d3f019e52fdfc9de0
SHA1 hash:
63dc9b4fda71c3acdfd33fd5a93a364847bf054f
SH256 hash:
12f46fa289357895acf5f07258cf0df903ba6513fd1e8283a30b4561b2a35b8e
MD5 hash:
7e3ebfc85c714285431e78ab3ff4d04f
SHA1 hash:
4d209acc7632295c785ed7ebe61cb02fe0bf3ddd
SH256 hash:
829b0cf5a06a20d2a4ff31190f56d23ddc994ff8807bd12feebecc255afb0160
MD5 hash:
f736c6081eb850e32c805fab74bbf941
SHA1 hash:
7b029b00e3467c72718b31af20f610e42fc19140
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 829b0cf5a06a20d2a4ff31190f56d23ddc994ff8807bd12feebecc255afb0160

(this sample)

  
Delivery method
Distributed via e-mail attachment

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