MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f36f2e2951a2540ab138afc8ac70f8bb37b83f01199434e247aa6716e1eb47a. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 2f36f2e2951a2540ab138afc8ac70f8bb37b83f01199434e247aa6716e1eb47a
SHA3-384 hash: 8ed8507bd55ea63cbe6ba4084dfa74e5759949669c4763eb703913086a670f2f2c59d232cef37fe7e9a69ff7a8afc7f5
SHA1 hash: 2766d97c1380d8044183641c9a369ea12613d196
MD5 hash: c01f5fcff2e5ebfa74526d5f4d563ce8
humanhash: twenty-april-emma-earth
File name:YgAynTdpcncdnG4.exe
Download: download sample
Signature Formbook
File size:987'648 bytes
First seen:2021-08-17 14:03:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:78Dc9F3nC0Py3gAhyEJbjJEKKLaH3cMdP9l+FQI0pf50cceXcRtWgi6twM6hyy17:QMmXREcRcRwg5whdVwI/Wzz
Threatray 10'080 similar samples on MalwareBazaar
TLSH T18625703C1BB925A7D065D63EABD18617F04096DB3411AA5764CA0FA7B302AC2F7C723D
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
YgAynTdpcncdnG4.exe
Verdict:
Malicious activity
Analysis date:
2021-08-17 14:26:27 UTC
Tags:
trojan formbook 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
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
.NET source code contains very large strings
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
Sigma detected: CMSTP Execution Process Creation
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: 466969 Sample: YgAynTdpcncdnG4.exe Startdate: 17/08/2021 Architecture: WINDOWS Score: 100 33 www.candocharters.com 2->33 35 www.aqualogia.paris 2->35 37 webredir.vip.gandi.net 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 8 other signatures 2->51 11 YgAynTdpcncdnG4.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\YgAynTdpcncdnG4.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 YgAynTdpcncdnG4.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 39 www.utradhikari.com 208.91.197.91, 49720, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->39 41 autotextmoney.com 184.168.131.241, 49726, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->41 43 15 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 22 cmstp.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 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:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-08-17 08:58:07 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:c8ec loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.pourheloise.com/c8ec/
Unpacked files
SH256 hash:
4a48a05eb81cac749c6dea42ea3816237bbb8684f0f8d1636b1be2fa65436a64
MD5 hash:
84c057f09100400b8375a193af3ee861
SHA1 hash:
90ade0a4616f4b3924f5a0d2d61c73e0cfc54939
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
f9114284d4ba3fa4df67d556318e20757e1df598d4171a5192baf835089b6995
MD5 hash:
6448e50a917000c80ce74649714cbf4e
SHA1 hash:
2e7deaab216dfd81290fe6e8311c2be7edda8c98
SH256 hash:
2f36f2e2951a2540ab138afc8ac70f8bb37b83f01199434e247aa6716e1eb47a
MD5 hash:
c01f5fcff2e5ebfa74526d5f4d563ce8
SHA1 hash:
2766d97c1380d8044183641c9a369ea12613d196
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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.

Comments