MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84f28d28b63ae57104a5840373d8debeec9be6886be4051e0bd965b1250dda90. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84f28d28b63ae57104a5840373d8debeec9be6886be4051e0bd965b1250dda90
SHA3-384 hash: 32a0b5ca02e1408703c8d3ab7957152edc07b0ad49c250f54e610c2253c80ddc32572a49f64516922c9af666347c233d
SHA1 hash: e7486c6bf303af61290f5c67c58fbd92f9f9dd6f
MD5 hash: 2ab66f99e4ede4c3c85c39587719837f
humanhash: snake-victor-mississippi-indigo
File name:Ref. PDF IGAPO17493.Scr
Download: download sample
Signature Formbook
Create hunting rule
File size:922'112 bytes
First seen:2021-04-08 15:44:41 UTC
Last seen:2021-04-08 17:22:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:tRjOBvWG0rR5Zdw38W5tirNSrlEMyLPcKoEGUq5ftnBS7EmPbhZ+xiEGULH:OBvWG0rR5Zd2lQgfKa1nBSXjhZ6hLH
Threatray 4'626 similar samples on MalwareBazaar
TLSH 2B15DF2033A49B51E2BD43F68061400257B5FBEA201FDB7C8D8971C92D75B8C7DEAA97
Reporter abuse_ch
Tags:FormBook scr


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: experticsmail.expertics.com.mx
Sending IP: 187.217.245.25
From: Ideal Glass & Aluminium Works Sdn. Bhd.<emma.linderothh@dhl.com>
Reply-To: Ideal Glass & Aluminium Works Sdn. Bhd.<rolandskin@mail.ru>
Subject: Purchase Order (Ref. IGA/PO/17493)
Attachment: Ref. PDF IGAPO17493.r07 (contains "Ref. PDF IGAPO17493.Scr")

Intelligence

File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ref. PDF IGAPO17493.Scr
Verdict:
Malicious activity
Analysis date:
2021-04-08 15:49:58 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/3b8323a9-835c-4892-8073-529b52f50a37

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/133242/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.10371.13808.12506.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/670449
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 384167 Sample: Ref. PDF IGAPO17493.Scr Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 10 Ref. PDF IGAPO17493.exe 6 2->10         started        process3 file4 33 C:\Users\user\AppData\...\XaoSCohypz.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmp658E.tmp, XML 10->35 dropped 37 C:\Users\user\...\Ref. PDF IGAPO17493.exe.log, ASCII 10->37 dropped 65 Writes to foreign memory regions 10->65 67 Injects a PE file into a foreign processes 10->67 14 RegSvcs.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 2 other signatures 14->75 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 39 www.haoshi68.com 164.155.20.27, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS South Africa 19->39 41 bohemianquill.com 70.40.220.70, 49721, 80 UNIFIEDLAYER-AS-1US United States 19->41 43 16 other IPs or domains 19->43 55 System process connects to network (likely due to code injection or exploit) 19->55 25 rundll32.exe 12 19->25         started        signatures10 process11 dnsIp12 45 www.haoshi68.com 25->45 57 System process connects to network (likely due to code injection or exploit) 25->57 59 Modifies the context of a thread in another process (thread injection) 25->59 61 Maps a DLL or memory area into another process 25->61 63 Tries to detect virtualization through RDTSC time measurements 25->63 29 cmd.exe 1 25->29         started        signatures13 process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/84f28d28b63ae57104a5840373d8debeec9be6886be4051e0bd965b1250dda90/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 14:43:13 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qtzi2kfwhlsxcbffqqbxhwg6x3wjxzuinpsakhql3fs3cjin3kia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01476f904e668758ea516e84f359d6d0a4d85dadc179a51788a214ea46ff9dec
Formbook
3803dec5e2ab718dedda091e9ee84b588545614ae3d54aa78d956cec21128fda
Formbook
397fd95899f186c1385818c6b996f4cb410e266a84b2c134104d01675a822e27
Formbook
3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb
Formbook
4e5290b59d085d2d8492782191609fb2847e2f4a554b2ca48d1e7d7c86f6fb92
Formbook
6838e750e4d6b197819aedaeb8e0a183d5fb790da0d6d5e426d99f09bae758d9
Formbook
b0762ca49381026932f488d2a816a18639c410ba45f456014861ac66b9b3f4e6
Formbook
c1877b91dfa943d79a313f9478d8dd45dd08cad8683206e83b9deae4b60f5e5a
Formbook
ce399cb6f48a7daf6fd1ce9ffc9a0fe086d101fac2c11a1a636e1932d3303c90
Formbook
f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83
Formbook
+ 4'616 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210408-zplw4kdksn/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.trendyheld.com/edbs/
Unpacked files
SH256 hash:
aca66d16e84e78e046dc7c8b03a27df00872210f18ab8b9f193cfca62bb32301
MD5 hash:
6b1b08e77bdd1b8317f7f94c744ec35d
SHA1 hash:
b3f54acb575f47e92b139434db8a01ae66cd5ef5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4064d278-cca7-4d63-827a-7f8410ddd4ce/
Parent samples :
84f28d28b63ae57104a5840373d8debeec9be6886be4051e0bd965b1250dda90
43a2069e57baacb53de658addca8950b570ce19334cd6c617c4c1060f9296fb7
ae80c3c9ddf62e5b9b70e173c55b946db7a41aafee9bd645621157e05e9f95f4
9eea2ae3f3200db886bf865381d62d7c4bf5415755cb4cc5ea8b055c94908c06
ab77ccf41d38665285cbc2d460172cc15f9376fc3160da1f3d62e4b4368f439d
SH256 hash:
5b0113f95b5344504bcd0355d0256d1f17089c54cc4cfb56c26c6982d41c5b70
MD5 hash:
3ca0dd174ce7f0da8aa548f402182ffb
SHA1 hash:
307278742e3ff059afa23da477d5709f6b82d49d
Link:
https://www.unpac.me/results/4064d278-cca7-4d63-827a-7f8410ddd4ce/
SH256 hash:
fdccaed76f7279e6b8cc1579dadeed03fa1b8d1adcdfbcac585a68da168366d5
MD5 hash:
8b603b23caf00139206f293eb741a9f0
SHA1 hash:
1cc90aec7ce07b13930fe0c088fe3cd155b3ea07
Link:
https://www.unpac.me/results/4064d278-cca7-4d63-827a-7f8410ddd4ce/
SH256 hash:
84f28d28b63ae57104a5840373d8debeec9be6886be4051e0bd965b1250dda90
MD5 hash:
2ab66f99e4ede4c3c85c39587719837f
SHA1 hash:
e7486c6bf303af61290f5c67c58fbd92f9f9dd6f
Link:
https://www.unpac.me/results/4064d278-cca7-4d63-827a-7f8410ddd4ce/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/84f28d28b63ae57104a5840373d8debeec9be6886be4051e0bd965b1250dda90

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
Create hunting rule
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.

Malspam

Formbook

r07 9664c1d1ad01ca49f8cbad4d2551013683fd2e267b16351068bd9c750a4dcb78

Formbook

Executable exe 84f28d28b63ae57104a5840373d8debeec9be6886be4051e0bd965b1250dda90

(this sample)

  
Dropped by
MD5 867f5ff212f0698e76cab9f9152731f9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133242/
  
Dropped by
SHA256 9664c1d1ad01ca49f8cbad4d2551013683fd2e267b16351068bd9c750a4dcb78

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