MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0023062662c42d563fd03a92e4ed00a14cf78d4c6debde99fe168babf6fa347. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: f0023062662c42d563fd03a92e4ed00a14cf78d4c6debde99fe168babf6fa347
SHA3-384 hash: 10c6c3cecef5dbf2d322a7241fc070fee00b1bce49c5bf94278c6f04582db2477f419ecc5a36d30fac508ee088d2883e
SHA1 hash: b8044d971b4f04a82e469524bbf74e97bc56e927
MD5 hash: d19df4854dc6a6ad745ab77adeb31bca
humanhash: louisiana-missouri-eight-neptune
File name:SOA Settlement_pdf.exe
Download: download sample
Signature Formbook
File size:233'781 bytes
First seen:2022-05-06 05:22:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:aNeZiUUHPIvO6QokSxoOk56qkCZUIo9vAkv+3:aNJZHP6OmxoOKrN2lv+3
Threatray 15'250 similar samples on MalwareBazaar
TLSH T10A34018187A885A3ECAA53711877886B5EEBBD3A4875460F63307E777D333914C0E726
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 071a18b3939b67d3 (22 x AgentTesla, 12 x Formbook, 3 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SOA Settlement_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-06 05:22:48 UTC
Tags:
formbook trojan stealer

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

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 621361 Sample: SOA Settlement_pdf.exe Startdate: 06/05/2022 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 10 SOA Settlement_pdf.exe 18 2->10         started        process3 file4 31 C:\Users\user\AppData\...\yhwelmnrrn.exe, PE32 10->31 dropped 13 yhwelmnrrn.exe 10->13         started        process5 signatures6 61 Antivirus detection for dropped file 13->61 63 Multi AV Scanner detection for dropped file 13->63 65 Tries to detect virtualization through RDTSC time measurements 13->65 16 yhwelmnrrn.exe 13->16         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 16->37 39 Maps a DLL or memory area into another process 16->39 41 Sample uses process hollowing technique 16->41 43 Queues an APC in another process (thread injection) 16->43 19 control.exe 16->19         started        22 explorer.exe 16->22 injected 25 BackgroundTransferHost.exe 13 16->25         started        process9 dnsIp10 53 Modifies the context of a thread in another process (thread injection) 19->53 55 Maps a DLL or memory area into another process 19->55 57 Tries to detect virtualization through RDTSC time measurements 19->57 33 www.aroinvestmentsinc.com 99.83.154.118, 49758, 80 AMAZON-02US United States 22->33 35 www.identamazononline.com 22->35 59 System process connects to network (likely due to code injection or exploit) 22->59 27 cmd.exe 1 25->27         started        signatures11 process12 process13 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-05-06 05:08:22 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 42 (50.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ai26 rat spyware stealer suricata trojan
Behaviour
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
237286c3aac9ea49fd5e3626a4e771030f43a03328cb9dca7d892a2ee1fe5774
MD5 hash:
fe4a326c49d1647d2dcfad96e72b86a8
SHA1 hash:
9e67487ed55cf69d8ea4900639dbbf407adb7c2b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
15ed256a3e3b0045f984fd1bfffe7eda11d891d5e77edba9a7a49be6b632c474
MD5 hash:
745e5c9bad53de716e05cb94be69d9c0
SHA1 hash:
2e735166a07cfdd13319e01b9dc1218d6c6203f0
SH256 hash:
f0023062662c42d563fd03a92e4ed00a14cf78d4c6debde99fe168babf6fa347
MD5 hash:
d19df4854dc6a6ad745ab77adeb31bca
SHA1 hash:
b8044d971b4f04a82e469524bbf74e97bc56e927
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
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 f0023062662c42d563fd03a92e4ed00a14cf78d4c6debde99fe168babf6fa347

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments