MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2
SHA3-384 hash: 057f92df8a21becebabcc5ae0f5a911080b92badec5a1ae9ffb6cc0c8a48f6e45f3c6f6eec770720828e960b2e49baa4
SHA1 hash: 09d28ed373405e7ef3c62547bd5e4754ee497e01
MD5 hash: 902c93a42ab9f3f1fbe967eeb1c33831
humanhash: charlie-spring-jersey-carbon
File name:PURCHASE ORDER.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:480'768 bytes
First seen:2021-11-20 11:17:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:28ENXh660FkSmAP4flYnvo9YGZGmwobrccm6vBYk:jENkzECnw9YKGm
Threatray 11'589 similar samples on MalwareBazaar
TLSH T1D2A4DF8C3260B2EFC89BCD769DA45C60AA607877470BD343A09716DDAA4DAD7CF045E3
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2021-11-20 11:19:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/690e59be-71c7-4218-a084-0ca8cbf1a47b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for 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:
obfuscated packed
Link:
https://www.filescan.io/uploads/6198d96dd0c3a45787fb32ee/reports/522972c0-a4c4-4c39-8496-2b2856b4cc49/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9e6e9357-8860-47c2-aa04-051fa754d4b3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893090
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-20 08:27:20 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dkwju42thnlulkdd4vs6kvxmyysgdgz45s4rpspiv3t3cqmxnoza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2d004b934e7508e13159e81f394f80e254d8ddbe0298be23f30690282a01d217
Formbook
514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d
Formbook
8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44
Formbook
92206b9fa1251b589ab6d14b4828cafe0ec9d9b44df469602b7d3d1ed16ae0e8
Formbook
b08d103ca391e1023d2b40ac31d0940124e81914eeea79b86c01b7566be546e2
Formbook
c04a6522c272316586333bdd0e1c78427b3dd04976d77e45d937fe763bea101f
Formbook
cae28876b4d13e974995f686d84fdb7e48b4eb583e76cdd53f393dc8921faa63
Formbook
e6d987f72ba6218615e53b91de3d7229e3cc0da6768fd3bdbd758dfb7af4a990
Formbook
f0748cd86f2648c4ff23611f87661ba89045039966eb9595c2fb4d046249e1f2
Formbook
fff77f3852a66a56bad4ec5bc1c1bc2afb0b08b8ea65393384a1ee6917dcb355
Formbook
+ 11'579 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ea0r loader rat suricata
Link:
https://tria.ge/reports/211120-ndrkmacfhr/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.asiapubz-hk.com/ea0r/
Unpacked files
SH256 hash:
98af1669d18e8826220ac4c7d86a7cad601ca20317384cf5e382a918ef32f91f
MD5 hash:
29037685b50e794fc1ca765517b7f669
SHA1 hash:
e5199699b551530787b406e6c84c4adc75c7c2f1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b612b361-4ad6-4799-9617-2959a5091f2d/
Parent samples :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 hash:
88a5e8504219d8c19290c4f2a142cdb40babc5ce767147347e1195e773773490
MD5 hash:
e1232d8cda03e5480c9666dbf0c63a5a
SHA1 hash:
acabb10a804021a88618790444472a05ad2156e6
Link:
https://www.unpac.me/results/b612b361-4ad6-4799-9617-2959a5091f2d/
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
Link:
https://www.unpac.me/results/b612b361-4ad6-4799-9617-2959a5091f2d/
SH256 hash:
1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2
MD5 hash:
902c93a42ab9f3f1fbe967eeb1c33831
SHA1 hash:
09d28ed373405e7ef3c62547bd5e4754ee497e01
Link:
https://www.unpac.me/results/b612b361-4ad6-4799-9617-2959a5091f2d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1aac9a73533b/report/overview.html
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/1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2

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
Rule name:pe_imphash
Create hunting rule
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 1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/207767/

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