MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97
SHA3-384 hash: a3cd61399cd284b2f027416715c846fc3ff368f16fd0f74b55ab5cf7f35960936dfa76385f44455c1a60aca54d4e1715
SHA1 hash: f217351f03d4888efa5f4c72539d98b71c8459fa
MD5 hash: 5a644d930cb20172c1d7479ed4c5ce64
humanhash: colorado-fanta-november-neptune
File name:PURCHASE ORDER.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:462'336 bytes
First seen:2022-03-16 19:03:27 UTC
Last seen:2022-03-17 07:56:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:yeZFEoXdmwqkqt9lTyoJDj5kt4QhxJUQQ8m+t0xjfRfnVGJwUuw+oR56oPO:BKYmwqXlmphcQJmFfdEwUuwZ36o
Threatray 14'201 similar samples on MalwareBazaar
TLSH T1F0A4597E186D5337CE7BD27286501419F6A1D1EB3902AD29EEC31B810D136CA7FCA92D
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
4
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2022-03-16 19:09:07 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b19efb1c-4d64-4396-9761-8c97910cc978

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/251556/
Detection(s):
SecuriteInfo.com.generic.ml.17377.31447.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/623234a90cd58dbd92a84f27/reports/b2643445-2c12-4433-acf4-ef632d7a2d61/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cb7dc959-7caf-4e3e-9212-44351e43ab28
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/958264
Signature
.NET source code contains very large strings
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 590745 Sample: PURCHASE ORDER.exe Startdate: 16/03/2022 Architecture: WINDOWS Score: 100 31 www.riverhouseliving.com 2->31 33 www.grupoabintegra.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 10 other signatures 2->45 11 PURCHASE ORDER.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\PURCHASE ORDER.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 PURCHASE ORDER.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 emmygrace.com 192.0.78.24, 49779, 80 AUTOMATTICUS United States 18->35 37 www.emmygrace.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 explorer.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 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       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-03-16 19:04:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxsokzfy2dz3daifr3kuxldrbnrymkyxenrmbr72xndvbkap72lq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07ea6a87a1ac2a5363e7756a8994f7ed8b971b94cef918803ab3b6dbe9e6b845
Formbook
085110f2c00a416220b4430ff77cb8169f85db7d282f330db50d4831506e82e5
Formbook
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
Formbook
3e302b7a1b7d9862a5917a03e08205d8016cb2974566725e16926f4e6cff9c6b
Formbook
4083d4907b0926bbea1b80c0dd047d1e6c835dc259f9e698c4cfb7f2218b77d3
Formbook
48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898
Formbook
9d42e6621d13c43c63721e4f9b4f63c00ef1d7e97cb0fe061bd19cbcc6e2e735
Formbook
b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
Formbook
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
Formbook
+ 14'191 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sued loader rat
Link:
https://tria.ge/reports/220316-xqx3lsfga2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
a41a4410fcd97b74ff170c987ba9600d76b217ca90833d7e4d1ad69cae514d92
MD5 hash:
75d7a79c712fe0b2b6b5ccc842b2b858
SHA1 hash:
cf9e8feef4effcf93c63087ed21b115be8c4ef79
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/19bd9f53-98d6-46cc-a765-b43dbad25c79/
Parent samples :
952fbe116a1aac4f0082519a0dc920ee5dc48e58fe85abcc27b82ecc0ac4e54f
07ea6a87a1ac2a5363e7756a8994f7ed8b971b94cef918803ab3b6dbe9e6b845
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
00027d11309d55312ae77f32d4ae79671c91f541e577bace7a5a5abde05563ad
a97609f1fba62176ab743d20619f5dc76e660c19fe1640620fa71be956073642
9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6
14814de29a97d78c562d283a935b231c5f1743e51eba50c5803c38d9a30902b9
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
a10514b9a622369f9e922896ec542e856068d2a4a10bc8808436bfd88a2e44f2
687269adbd2c39527574f47f87e641e50e1b0f76a7595e16da138ddb23934a1f
1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796
11011a715ef9903ff51404d2ed9e5690db9e44ee62633a4a620fa456111c7c35
b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
085110f2c00a416220b4430ff77cb8169f85db7d282f330db50d4831506e82e5
65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97
4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/19bd9f53-98d6-46cc-a765-b43dbad25c79/
SH256 hash:
f5a7e0accb19b46e937e823cdf4d76803285d3ce0fbd391660d3cfb072c171f5
MD5 hash:
0fd4461152eb6d12d8f8192234e6a0af
SHA1 hash:
08c0e5e4738511107509ed39ed3eb4ceb6d1abcf
Link:
https://www.unpac.me/results/19bd9f53-98d6-46cc-a765-b43dbad25c79/
SH256 hash:
65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97
MD5 hash:
5a644d930cb20172c1d7479ed4c5ce64
SHA1 hash:
f217351f03d4888efa5f4c72539d98b71c8459fa
Link:
https://www.unpac.me/results/19bd9f53-98d6-46cc-a765-b43dbad25c79/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/251556/

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