MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4
SHA3-384 hash: 70284bb58d3e54ab42184dee8afc5f12e9884267b14af1d1677b9640b7f051d5f90b84e2f012c978ddb83decc9b75ed2
SHA1 hash: a25ce936892d21e4ed4a990f5a8c5112138d48a2
MD5 hash: 19cb3047f93de2730139cc63954c8af1
humanhash: edward-spring-arkansas-arizona
File name:PO-21-0076.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:419'858 bytes
First seen:2021-03-19 18:35:05 UTC
Last seen:2021-03-27 12:14:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b1a57b635b23ffd553b3fd1e0960b2bd (39 x Formbook, 29 x Loki, 27 x AgentTesla)
ssdeep 12288:owL7a9tIxqlv+qQ4vgqzMyCeJngNbs29ZmluCxO:nsVQ4I8xgNbs29ZmRxO
Threatray 4'361 similar samples on MalwareBazaar
TLSH 02949E85A4D0D6C7E822023458B6BDF121177C2AD9B4C91EF999BECB7A7E6039C33507
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-21-0076.exe
Verdict:
Malicious activity
Analysis date:
2021-03-19 18:38:53 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/5ca06276-bda4-4f4c-940b-5a3414629474

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/125709/
Detection(s):
Sanesecurity.Rogue.0hr.20210319-1108.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/391f9398-72f9-439d-ac2b-9815302a5bf7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/646521
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 372227 Sample: PO-21-0076.exe Startdate: 19/03/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 PO-21-0076.exe 12 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\z94jl4ar.dll, PE32 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Maps a DLL or memory area into another process 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 PO-21-0076.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.myedn.com 74.220.199.6, 49724, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 www.treatblisters.com 23.80.203.125, 49720, 80 LEASEWEB-USA-LAX-11US United States 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4/
Threat name:
Win32.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2021-03-19 10:44:35 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dub4xlkdt6br2dg5gtsej335avh4iy3qajnc5zykfgv4kcqxrtka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
1ed998332afc95e5830817b9f215468c55e67cd134c920b497521042bd6d4c38
Formbook
43aa01ebbd20c81ee60bd5b6bacabcdd0a84e0aeb892c0ea18383261dbcdb0fb
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
9cf07e6cbf0321dc63141d5d14b6df920c9c90ee178636def703946324fec78b
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b
Formbook
b8ae844621bf21969ca7070937f91101ca4f7277917979ad9d4a4ac43d6e5fad
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'351 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210319-5xd7edbq9j/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.squadzone.net/n8ih/
Unpacked files
SH256 hash:
f7f4517b36adf7ab3c50218a8ad4642ffb4c6c9e4cd948bf082b76b074791368
MD5 hash:
fc0430c1d9e4559f6c1cf985aac18946
SHA1 hash:
c3a0b73015e716b7dd06f01a212ba661b133309e
Link:
https://www.unpac.me/results/3bfeb455-fa32-44f5-8148-c6d876c9d833/
SH256 hash:
8f24c6cf0b06d18f3c07e7bfca4e92afce71834663746cfaa9ddf52a25d5c586
MD5 hash:
d753362649aecd60ff434adf171a4e7f
SHA1 hash:
3b752ad064e06e21822c8958ae22e9a6bb8cf3d0
Link:
https://www.unpac.me/results/3bfeb455-fa32-44f5-8148-c6d876c9d833/
SH256 hash:
1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4
MD5 hash:
19cb3047f93de2730139cc63954c8af1
SHA1 hash:
a25ce936892d21e4ed4a990f5a8c5112138d48a2
Link:
https://www.unpac.me/results/3bfeb455-fa32-44f5-8148-c6d876c9d833/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4

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

z 09f2e3658cbc40c948b56017608af5316b0ff94ea3d632a3c977152eedd24aad

Formbook

Executable exe 1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 09f2e3658cbc40c948b56017608af5316b0ff94ea3d632a3c977152eedd24aad
Cape
Cape
https://www.capesandbox.com/analysis/125709/

Comments