MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c26112880679a9c6c7e310dedd154aa6e8afadf0117a8c1ff4bc53b2fd2ceda. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 1c26112880679a9c6c7e310dedd154aa6e8afadf0117a8c1ff4bc53b2fd2ceda
SHA3-384 hash: 379e54fcff45ae85b780715fdee1a35fd2f634a245971dc0e369585ad3849104afc94d7f409d2c6761ef78d3325ce3f3
SHA1 hash: c3596e03933e240be6b5245e3f8e0de404f5625d
MD5 hash: 988dc5c6555b1cf6f351dd46338a91cc
humanhash: twelve-vermont-sad-oklahoma
File name:988dc5c6555b1cf6f351dd46338a91cc.exe
Download: download sample
Signature Formbook
File size:399'872 bytes
First seen:2022-01-12 10:57:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:Pxoy9N0J7XzdV1xOMdgG95FNy9rXvNaT1U7QAv+q8pBOgklH0IpJUrDRJ7tGG:YLpDxOMJvkB97QAvt8pBBk1pJUPTtGG
TLSH T165842249BF6A1B22D47A93F450B1B23447F8B36E3653EF444CC198C62AB2B612745E37
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
988dc5c6555b1cf6f351dd46338a91cc.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-12 11:55:06 UTC
Tags:
n/a

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

Behaviour
Launching a process
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Gathering data
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 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 (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 signatures2 2 Behavior Graph ID: 551651 Sample: 7nn7XE6dId.exe Startdate: 12/01/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 10 7nn7XE6dId.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\...\7nn7XE6dId.exe.log, ASCII 10->32 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 7nn7XE6dId.exe 10->14         started        17 7nn7XE6dId.exe 10->17         started        19 7nn7XE6dId.exe 10->19         started        signatures5 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 21 explorer.exe 14->21 injected process8 dnsIp9 34 www.mainlandpr.com 43.134.0.76, 49799, 80 LILLY-ASUS Japan 21->34 36 www.bigpromo.club 172.67.155.193, 49823, 80 CLOUDFLARENETUS United States 21->36 46 System process connects to network (likely due to code injection or exploit) 21->46 25 raserver.exe 21->25         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 25->48 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-11 16:03:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 43 (53.49%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bt33 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5c8f688df7b19aea62990c8624da77158fb1e2c31a69a3830b1928e8a351344c
MD5 hash:
cec66ec9c00525d28459c332aaef97c9
SHA1 hash:
961f0b9f57675e988337504b34ce8399a2142a53
SH256 hash:
d05ff1aa8c9968d69b8cf40d01d33d127380bc2381f60278cedece8fce7ae56d
MD5 hash:
4a360515b468e601b3e9a04372ca9a8a
SHA1 hash:
6be4bed3f64e2df436078a3021f47b311769fc88
SH256 hash:
1c26112880679a9c6c7e310dedd154aa6e8afadf0117a8c1ff4bc53b2fd2ceda
MD5 hash:
988dc5c6555b1cf6f351dd46338a91cc
SHA1 hash:
c3596e03933e240be6b5245e3f8e0de404f5625d
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.

Web download

Formbook

Executable exe 1c26112880679a9c6c7e310dedd154aa6e8afadf0117a8c1ff4bc53b2fd2ceda

(this sample)

  
Delivery method
Distributed via web download

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