MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 613b5446494dbc42b570d8435ab8fd6d85a1b58a86235da24381b6cb74ec6fd9. 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 2 File information Comments
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SHA256 hash: 613b5446494dbc42b570d8435ab8fd6d85a1b58a86235da24381b6cb74ec6fd9
SHA3-384 hash: 31b51cc2bb3f75eb1564bff480f7310fe95ff173cf49d5c9781f70b03f59ae4448c7389c0fc93f636985961d54c9cfbb
SHA1 hash: 5e374fb19ba43068e7d330f9673128705c56d6be
MD5 hash: b8bee49fd4937c1ee75fdb339510ceb7
humanhash: potato-connecticut-failed-monkey
File name:PO627288.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'374'208 bytes
First seen:2022-06-02 07:20:39 UTC
Last seen:2022-06-02 07:30:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:l3Ez1Mt8bpFnPz8tj+bBsZrwEkA/tabzooldQG3qa0+pC/q121:l3Ez1Xvz6j8iMqFanooZ++p
TLSH T1B8550700A3EA1A05F6FF5F79A97265404BB77DDA683AD35E188C50CE0FA3B508951B33
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
316
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO627288.exe
Verdict:
Malicious activity
Analysis date:
2022-06-02 07:21:02 UTC
Tags:
formbook trojan stealer phishing
Link:
https://app.any.run/tasks/10ab9195-a73f-4ffa-98bb-0f6fe15f7e97

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/276251/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.38911.25899.25484.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/629864e2961acffe543ec664/reports/527463d6-889c-47e2-b89b-e7f2a3fbc24c/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/044d098c-fd02-4908-b3cf-330847594b2e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005543
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
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 or bat file
Snort IDS alert for network traffic
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: 638039 Sample: PO627288.exe Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 31 www.planfirst.xyz 2->31 33 www.migraineblaster.com 2->33 35 8 other IPs or domains 2->35 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 PO627288.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\PO627288.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 PO627288.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.sandizaixian.com 107.149.253.28, 49877, 80 PEGTECHINCUS United States 18->37 39 timbercreativestudio.com 137.184.27.244, 49918, 80 PANDGUS United States 18->39 41 2 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd or bat file 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 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/613b5446494dbc42b570d8435ab8fd6d85a1b58a86235da24381b6cb74ec6fd9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-02 01:30:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=me5virsjjw6efnlq3bbvvoh5nwc2dnmkqyrv3isdqg3mw5hmn7mq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:eatw loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220602-h6nfsahdhk/
Behaviour
Gathers network information
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
110511c718ebf90acd7fd1c7c750fc4624b1147e8bd7035e95473fad61ee7fe6
MD5 hash:
f9175528e1bf882caecffad2cdc7cd68
SHA1 hash:
15d9b63d5c0d46ca685601b36b5b685faf6cb801
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/53eae333-f1bd-432c-80ff-65535884efc0/
Parent samples :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 hash:
93907acd07627a247137dd874419b8d203bf5d65afd6b213ea3ac7489eb36d95
MD5 hash:
d2e71702c69542d09343d9b2c3a91de6
SHA1 hash:
72490c0fa93362080cad1c3aca1806dc03120953
Link:
https://www.unpac.me/results/53eae333-f1bd-432c-80ff-65535884efc0/
SH256 hash:
b800697ef4ab6e5a89388aad9bd213ef29bf9309823677f2dcfc64cc19741b77
MD5 hash:
a0f184e976c1d3b7b8194be1a8813676
SHA1 hash:
62573e09abb24cd5f98f099bd090f6ee2b97de4e
Link:
https://www.unpac.me/results/53eae333-f1bd-432c-80ff-65535884efc0/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/53eae333-f1bd-432c-80ff-65535884efc0/
SH256 hash:
613b5446494dbc42b570d8435ab8fd6d85a1b58a86235da24381b6cb74ec6fd9
MD5 hash:
b8bee49fd4937c1ee75fdb339510ceb7
SHA1 hash:
5e374fb19ba43068e7d330f9673128705c56d6be
Link:
https://www.unpac.me/results/53eae333-f1bd-432c-80ff-65535884efc0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/613b5446494dbc42b570d8435ab8fd6d85a1b58a86235da24381b6cb74ec6fd9

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 613b5446494dbc42b570d8435ab8fd6d85a1b58a86235da24381b6cb74ec6fd9

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276251/

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