MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5659878f4d7dfbbfd3a41335e874443513f66204af3ec7a49ead66a61c9225b. 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 1 File information Comments

SHA256 hash: e5659878f4d7dfbbfd3a41335e874443513f66204af3ec7a49ead66a61c9225b
SHA3-384 hash: 56dd7ef120eed18a2431b0ce929fe6f1947f6632b0c34b54cfc6fecd4481b44974dcfae575d2fb2c56af6a1161a4fba7
SHA1 hash: cfd6ef2e0043b76d539dd9429167d5fa276f56c3
MD5 hash: 55b0cc091833c9e791e73a5bcfd0a893
humanhash: coffee-johnny-april-solar
File name:INVOICE39920.exe
Download: download sample
Signature Formbook
File size:278'528 bytes
First seen:2021-09-02 17:33:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a7b457d95a61ac70fd2b86bfae649b5a (6 x Formbook, 3 x AgentTesla, 1 x a310Logger)
ssdeep 6144:UgEfD/i1lkemVTt+ASZNaEz2mgSubtgS66BW04Xf+xknyy:Kmet+fNZuxW0g+xknyy
Threatray 8'982 similar samples on MalwareBazaar
TLSH T16D443966B782F42DF4824479B919DFA540583D3029A8C443F7C2BF1B39725E6DA25F0B
dhash icon 83938787838b9b94 (5 x Formbook)
Reporter info_sec_ca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE39920.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 17:39:22 UTC
Tags:
trojan formbook stealer

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
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 476653 Sample: INVOICE39920.exe Startdate: 02/09/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 9 other signatures 2->45 10 INVOICE39920.exe 14 2->10         started        process3 dnsIp4 37 img.neko.airforce 167.172.239.151, 443, 49726 DIGITALOCEAN-ASNUS United States 10->37 57 Maps a DLL or memory area into another process 10->57 59 Tries to detect virtualization through RDTSC time measurements 10->59 14 INVOICE39920.exe 10->14         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 explorer.exe 14->17 injected process8 dnsIp9 29 www.markstevin.tech 91.195.240.87, 49755, 80 SEDO-ASDE Germany 17->29 31 www.jihelianmeng.com 119.45.214.123, 80 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 17->31 33 7 other IPs or domains 17->33 47 System process connects to network (likely due to code injection or exploit) 17->47 21 rundll32.exe 12 17->21         started        signatures10 process11 dnsIp12 35 www.jihelianmeng.com 21->35 49 System process connects to network (likely due to code injection or exploit) 21->49 51 Self deletion via cmd delete 21->51 53 Modifies the context of a thread in another process (thread injection) 21->53 55 2 other signatures 21->55 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Fragtor
Status:
Malicious
First seen:
2021-09-02 15:47:27 UTC
AV detection:
9 of 39 (23.08%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:eqb6 loader rat suricata
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.starseed-being.com/eqb6/
Unpacked files
SH256 hash:
e5659878f4d7dfbbfd3a41335e874443513f66204af3ec7a49ead66a61c9225b
MD5 hash:
55b0cc091833c9e791e73a5bcfd0a893
SHA1 hash:
cfd6ef2e0043b76d539dd9429167d5fa276f56c3
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Comments