MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3
SHA3-384 hash: a870912c6bef57310ee5034bdedcbb943d24d3b9f60630c122349159cffe984bb5bb32ff77beb32476e40d489857def5
SHA1 hash: 8e6f1cce367076b0749c52ba897caf22737bfb45
MD5 hash: 0b5306f71bbeee231787298930bd9d41
humanhash: victor-alaska-fillet-red
File name:Proforma-Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:376'832 bytes
First seen:2022-01-13 12:15:55 UTC
Last seen:2022-01-13 14:07:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:fLM/1Q2K/RvUdCSWIPZGrAJKWj68Pq0g0fD9/kHcwPE96FfJpABRrD3/usg:f49NlWiOAJKWj68ygfD9iVP06np+RP3m
Threatray 12'689 similar samples on MalwareBazaar
TLSH T1E284019D766430BFC857D2BA96A46D64B6607433A31BC413908340EE9A5EFE3DF205E3
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma-Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-01-13 12:19:10 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4f9792d7-57c8-45fd-94e1-f96f269a5bc8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/218988/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.30975.17295.6724.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/61e0180b1883c5ba4ec7ac18/reports/ef7fb4cb-e56e-4489-931b-4343b1b6dc05/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fa445e2a-3d48-4ff8-9100-715bf91e44ef
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920030
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
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
Performs DNS queries to domains with low reputation
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 552508 Sample: Proforma-Invoice.exe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 36 www.x4g7ae8.com 2->36 38 www.sddn28.xyz 2->38 40 4 other IPs or domains 2->40 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 13 other signatures 2->54 11 Proforma-Invoice.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\...\Proforma-Invoice.exe.log, ASCII 11->34 dropped 70 Tries to detect virtualization through RDTSC time measurements 11->70 72 Injects a PE file into a foreign processes 11->72 15 Proforma-Invoice.exe 11->15         started        18 Proforma-Invoice.exe 11->18         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 Queues an APC in another process (thread injection) 15->80 20 explorer.exe 15->20 injected process9 signatures10 56 System process connects to network (likely due to code injection or exploit) 20->56 58 Performs DNS queries to domains with low reputation 20->58 23 rundll32.exe 20->23         started        process11 signatures12 60 Self deletion via cmd delete 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64 66 Tries to detect virtualization through RDTSC time measurements 23->66 26 explorer.exe 6 156 23->26         started        30 cmd.exe 1 23->30         started        process13 dnsIp14 42 vpb-haiphong.com 103.153.214.97, 49834, 80 TWIDC-AS-APTWIDCLimitedHK unknown 26->42 44 www.travelday1.xyz 173.214.240.15, 49871, 80 SERVEREL-ASUS United States 26->44 46 25 other IPs or domains 26->46 68 System process connects to network (likely due to code injection or exploit) 26->68 32 conhost.exe 30->32         started        signatures15 process16
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 12:16:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lclrgsllyh2spo6m74mtmrvjjmyqcjhqdtivwnxwgoulpvtin6zq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
204831bda7d04f0905f7bf0c39e45b3772935726d8a436ee9703a19098b37e21
Formbook
459c86bf11535b9d62c895a6677a5eb40d8f0cf3136477e5da746045bf3fb6a3
Formbook
76d73723ac1e30fad92d7f3fdbb0a87c1d8854ad4e7d3d728805a3f26843085c
Formbook
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
Formbook
9f5649294d8a9d4cc583e6bbcb11d8287e02f5221d3f7be4109048271f1112c2
Formbook
b59ebb440937c57845ec3a6b7251cecd72aed8a9f2e31966a31356cf1fac3eb0
Formbook
e6fc8bbf9d585429d28269af4f4626388f2451f57f714797dcdaee31f0b089f9
Formbook
f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1
Formbook
+ 12'679 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:eb4c loader rat
Link:
https://tria.ge/reports/220113-pfgzmsaaa7/
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
e9e80f4baa8036b669486e9135d8b728cffdfda7f8593aa6419ef651bb0a1964
MD5 hash:
89bd7369bc6b563cdea8b5f0be88e1bb
SHA1 hash:
a1a5447d5bdd13e69373d3c45266a3494d7b1a39
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3916d09b-44f1-4ecb-8598-7d65c05e540c/
Parent samples :
c4d096042c9e65f145f6d066277103fdcba41538ccca8827ac3a503a1088df2b
459c86bf11535b9d62c895a6677a5eb40d8f0cf3136477e5da746045bf3fb6a3
589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3
c916349f4538cf30cb73734f5c932c11d826fcf5d097b7afd1bbc6d508131063
SH256 hash:
85d043639bb142bfe556f629b4ccaba31d1cdc832489979cabbe602fd12dab03
MD5 hash:
dc055ed8853b65986b6384694f80bdbe
SHA1 hash:
8da80295177b1b337b57a6679ce9f35ba57b1260
Link:
https://www.unpac.me/results/3916d09b-44f1-4ecb-8598-7d65c05e540c/
SH256 hash:
f0670541366e23b0b722b387a22d2d1a3c883c157b8173a6838845750c98a220
MD5 hash:
09a312c6f259d2379743c03bb9120d98
SHA1 hash:
63755b1fac0cf7165a27c10fae856f65278e1e05
Link:
https://www.unpac.me/results/3916d09b-44f1-4ecb-8598-7d65c05e540c/
SH256 hash:
589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3
MD5 hash:
0b5306f71bbeee231787298930bd9d41
SHA1 hash:
8e6f1cce367076b0749c52ba897caf22737bfb45
Link:
https://www.unpac.me/results/3916d09b-44f1-4ecb-8598-7d65c05e540c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/218988/

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