MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c4ea60d79cd47479c151fb42ce286b38081387516735919714b866d0fbd6ec7. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 1c4ea60d79cd47479c151fb42ce286b38081387516735919714b866d0fbd6ec7
SHA3-384 hash: e7088186e8f6991703feb01630a03b00ee0b54cf93d579405cfb63a24f67fd4b670548247ec8162e9b228ceccc7d4055
SHA1 hash: 28d9be6c64ce3bdfe6d8d43f1dd6fe704a9ee2d2
MD5 hash: baf6f7fecbc1bb0a055f4ad315f4810c
humanhash: fourteen-tango-jersey-skylark
File name:PURCHASE ORDER.exe
Download: download sample
Signature Formbook
File size:710'656 bytes
First seen:2022-02-16 17:14:15 UTC
Last seen:2022-02-21 09:06:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LXFIY1srKkwD/75cj2E1d1MOyz7cz9TctYncGO0alytPuqSPGFHREOnEKs5BiM41:LXMrHwDmjS7cxTcZHwtP2G9
Threatray 13'504 similar samples on MalwareBazaar
TLSH T143E4F189361071EFC81BCC72C9986C64EA6174BB931BD253A41326AD9E0D9EBCF151F3
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 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: 573503 Sample: PURCHASE ORDER.exe Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 32 www.cooleshow.online 2->32 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 12 other signatures 2->46 11 PURCHASE ORDER.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\PURCHASE ORDER.exe.log, ASCII 11->30 dropped 14 RegSvcs.exe 11->14         started        17 RegSvcs.exe 11->17         started        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 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected 66 Tries to detect virtualization through RDTSC time measurements 17->66 process8 dnsIp9 34 www.nightpartner82.xyz 198.54.117.244, 49799, 80 NAMECHEAP-NETUS United States 19->34 36 www.worldhealthnutrition.com 19->36 38 14 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 50 Performs DNS queries to domains with low reputation 19->50 23 explorer.exe 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-16 13:58:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat suricata
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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 Windows directory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c65a6af5fa8719686bd9fb55055ee825ec87b5e4adf7e58baa5676b45600ea7e
MD5 hash:
152b5fcf2580b07523200858789d1abc
SHA1 hash:
db90e619c454ed44bc97bd0e057d572e82c67cf7
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
34d417430a2892a5a213e2cc533e09a545afe6de18350e6ca5c18954b015c345
MD5 hash:
ba3eb6e388765b8e621c272becf34c09
SHA1 hash:
e6c373ac3fea77179474e90d6854f21334f21ed3
SH256 hash:
6793e40647efcaba02920f447c02eca13a5ff724d4ac04372a4eadcacc3a8321
MD5 hash:
aea14061f45cd18b3e5c0dfe392c7da6
SHA1 hash:
cd82d1726d783cd54dc40a9c51beba074166404b
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
SH256 hash:
1c4ea60d79cd47479c151fb42ce286b38081387516735919714b866d0fbd6ec7
MD5 hash:
baf6f7fecbc1bb0a055f4ad315f4810c
SHA1 hash:
28d9be6c64ce3bdfe6d8d43f1dd6fe704a9ee2d2
Malware family:
XLoader
Verdict:
Malicious
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 1c4ea60d79cd47479c151fb42ce286b38081387516735919714b866d0fbd6ec7

(this sample)

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