MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fc25ed2ea287ae9de0ebfd976351b90cbce6059f91698b99ecb949cd2437056. 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 4 File information Comments

SHA256 hash: 2fc25ed2ea287ae9de0ebfd976351b90cbce6059f91698b99ecb949cd2437056
SHA3-384 hash: 72d333e7c836f3b5fb28ab07739fca5fa7b318d057047d0210af8a456171e6601608f406811fe228a8607ef86f30de85
SHA1 hash: f8ae1294bf0161665a3c4b6e2efad911a09c2cb7
MD5 hash: 2d8a4135388a4f5d1bc846e3313bcffb
humanhash: december-low-west-vegan
File name:PO4257802.exe
Download: download sample
Signature Formbook
File size:796'160 bytes
First seen:2022-05-24 08:07:29 UTC
Last seen:2022-05-24 08:50:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:PydACd+QVy04tl0c7N5y00tNvUrCwcDogCNpv+PaiCAuO0ImPI1Bjj8TlOjOpb/j:LQo0ch5b0DUretC37iCAuO0p
Threatray 15'742 similar samples on MalwareBazaar
TLSH T18D059EAC3690B5DEC967CA72C9A41C64FA2178BB531BC6079013259CAE1DB87DF106F3
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 110d315969314d41 (4 x AgentTesla, 3 x Formbook, 1 x RedLineStealer)
Reporter madjack_red
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO4257802.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 08:47:24 UTC
Tags:
formbook trojan stealer phishing

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
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 632944 Sample: PO4257802.exe Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 33 www.lifeonthedailyjournal.com 2->33 35 lifeonthedailyjournal.com 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 7 other signatures 2->49 11 PO4257802.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\PO4257802.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 PO4257802.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.savesporn.net 103.224.182.251, 49857, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->37 39 www.akieiitsuka-jim.com 23.19.92.147, 49833, 80 LEASEWEB-USA-SFO-12US United States 18->39 41 3 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        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 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 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2022-05-24 00:18:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:eatw 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:
a88f586f4afff47f94e89b8a1aca6cc9bb10085e97b57dcdac560d73adc364e0
MD5 hash:
720e8e163c9510ed2d8585b91688c4a1
SHA1 hash:
c87a2c7237dc3df3f33944330b84bd9af9076691
SH256 hash:
fdd10fb67e6276b3d848c92d4686f56b2ecbea1d629795a241ca6306a2f62d55
MD5 hash:
f20fd214bbda1a459a3eb415eec86017
SHA1 hash:
c658f61e4f308a69a4509649439814166c655e84
SH256 hash:
ef63dedf397c83a17c1b2dd6a1c8164105c3ab1b5f07592077577b117e613c54
MD5 hash:
102c438fecd74d6f6e39fc25b10c0f4c
SHA1 hash:
5dd5fcacc397030a28ddb972dacda48de50f2532
SH256 hash:
9dfff2367761dc9308d5577b19b844cbc2126fc4e07a2abc44a00c667c30a9b5
MD5 hash:
71ab86a6e3bfb879a467906b4ccda23d
SHA1 hash:
0fd2fa9df0d281a8b9c205a3a60a12c5746e9d45
SH256 hash:
2fc25ed2ea287ae9de0ebfd976351b90cbce6059f91698b99ecb949cd2437056
MD5 hash:
2d8a4135388a4f5d1bc846e3313bcffb
SHA1 hash:
f8ae1294bf0161665a3c4b6e2efad911a09c2cb7
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Comments