MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76ea1701d0adb2eca57550db609cbd372c9a5e85e40eab412cbba4ffe90e4b75. 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 2 File information Comments

SHA256 hash: 76ea1701d0adb2eca57550db609cbd372c9a5e85e40eab412cbba4ffe90e4b75
SHA3-384 hash: 758832db49a22990a2a2b10762d2fb03bf207e32dd58937dcb5e4d1b11908a46106731bc3ef56a5348c3d71ddcf0185e
SHA1 hash: 1c0c4bef1335b04b1a82e33e189b0c939f0d4d5f
MD5 hash: 9569ef4e770344f1a6f1fd5ded60a921
humanhash: oven-crazy-july-beryllium
File name:PO#801644.exe
Download: download sample
Signature Formbook
File size:474'624 bytes
First seen:2022-06-07 07:41:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:voZMToKoVmx1RuwkVBNf20xzwDZu5bPguV1q4/mp6:v2NVm1uwMiizmqDI
TLSH T142A4CF80AB2FFC31F55AE2737150C1486760854EB8E2E53B57AFB88E34A570625F1E39
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 :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO#801644.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 08:09:28 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
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 640395 Sample: PO#801644.exe Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 34 www.chwrell.com 2->34 36 www.chinadoorexpo.com 2->36 38 2 other IPs or domains 2->38 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 6 other signatures 2->56 11 PO#801644.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\PO#801644.exe.log, ASCII 11->32 dropped 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 15 PO#801644.exe 11->15         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 18 explorer.exe 15->18 injected process9 signatures10 46 System process connects to network (likely due to code injection or exploit) 18->46 48 Performs DNS queries to domains with low reputation 18->48 21 rundll32.exe 18->21         started        process11 signatures12 58 Self deletion via cmd or bat file 21->58 60 Modifies the context of a thread in another process (thread injection) 21->60 62 Maps a DLL or memory area into another process 21->62 64 Tries to detect virtualization through RDTSC time measurements 21->64 24 explorer.exe 4 155 21->24         started        28 cmd.exe 1 21->28         started        process13 dnsIp14 40 bonasuplementos.com 108.179.192.38, 49873, 80 UNIFIEDLAYER-AS-1US United States 24->40 42 mainsuranceagency.com 208.94.107.33, 49875, 80 FIBRENOIRE-INTERNETCA Canada 24->42 44 15 other IPs or domains 24->44 66 System process connects to network (likely due to code injection or exploit) 24->66 30 conhost.exe 28->30         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-06 23:40:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ssmm loader persistence rat spyware stealer suricata trojan
Behaviour
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
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
4f56c069928cde753a34740cd2687a04cecf13fa2bbda64e384d5782c6e40dca
MD5 hash:
892f9b5d679124733c6139e1560f41b9
SHA1 hash:
d77fb352c412f82f3fd16ca017a72d2da7a8eaa6
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
76ea1701d0adb2eca57550db609cbd372c9a5e85e40eab412cbba4ffe90e4b75
MD5 hash:
9569ef4e770344f1a6f1fd5ded60a921
SHA1 hash:
1c0c4bef1335b04b1a82e33e189b0c939f0d4d5f
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 76ea1701d0adb2eca57550db609cbd372c9a5e85e40eab412cbba4ffe90e4b75

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments