MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03df706b5cb7011cdeea18390a13b803b91d5018f97fa4aaabeb2e944a811936. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 03df706b5cb7011cdeea18390a13b803b91d5018f97fa4aaabeb2e944a811936
SHA3-384 hash: 3605b6feeeb15bba4dcf974e735c1fccb2ff6f3dcd6d3c32725b6699c063792a8f914885860ec9541026bdd85462fac1
SHA1 hash: fd504a3b62b6c9044362ad839b2676ac53b36b11
MD5 hash: 82ef05ebf34f5e09387835c3ca9b1219
humanhash: delaware-quiet-indigo-california
File name:paymentcopy_0012.exe
Download: download sample
Signature Formbook
File size:669'696 bytes
First seen:2022-05-31 05:43:43 UTC
Last seen:2022-05-31 06:31:20 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 12288:RrXpUSlB61512HNAaFDNDWCigECPzhnSupcvPNbEWjUZbggOJ:xXpUSlB61512HiYJDApwhnvglbmxg
Threatray 18'786 similar samples on MalwareBazaar
TLSH T101E4122116384773CC7F0BF5D066A28453B4924B620FF72EEAD46AA964E33D01553BE7
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)
File icon (PE):PE icon
dhash icon 70f8ecccece87070 (15 x Formbook, 9 x AgentTesla, 8 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
paymentcopy_0012.exe
Verdict:
Malicious activity
Analysis date:
2022-05-31 05:51:07 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
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
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
Initial sample is a PE file and has a suspicious name
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 636451 Sample: paymentcopy_0012.exe Startdate: 31/05/2022 Architecture: WINDOWS Score: 100 31 www.righthandclaims.com 2->31 33 www.dunkefy.com 2->33 35 2 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 7 other signatures 2->49 11 paymentcopy_0012.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\paymentcopy_0012.exe.log, ASCII 11->29 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 paymentcopy_0012.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.huiyi-sui.com 198.44.241.20, 49764, 80 IKGUL-26484US United States 18->37 39 www.huayugw.com 154.36.145.110, 49772, 80 COGENT-174US United States 18->39 41 9 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd or bat file 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-31 05:20:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:umat 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
System policy modification
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
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:
a61c9e8b775db30532c64fe8807b38e42ead88169291736ab8eaaf2de8ba9600
MD5 hash:
7e05032ab9b1715a7178472ca4df1a71
SHA1 hash:
e5bc891e4a4b08e2de775ae6ecfed53ced353a18
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
9578333138f7cc9a781ab1c981a994410173a41e3a9747245220470a2dd3cc24
MD5 hash:
7a0fda8b137384199548efcad3a883e9
SHA1 hash:
3b77c30582e6e8ea8396d2270571e804004e217a
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
SH256 hash:
024e15068fcde2af38f544628e81efed7c89299eaf2320d4e4cae29dbbab754c
MD5 hash:
f0a31322b0b0f8ca96a80931716a6f07
SHA1 hash:
03775ae8a294531cb2b51dec7ac244f413761a60
SH256 hash:
03df706b5cb7011cdeea18390a13b803b91d5018f97fa4aaabeb2e944a811936
MD5 hash:
82ef05ebf34f5e09387835c3ca9b1219
SHA1 hash:
fd504a3b62b6c9044362ad839b2676ac53b36b11
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 03df706b5cb7011cdeea18390a13b803b91d5018f97fa4aaabeb2e944a811936

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments