MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5ff1fccc213b922956415d980bbbf9318b17834761d629b23448ab14868812e. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: e5ff1fccc213b922956415d980bbbf9318b17834761d629b23448ab14868812e
SHA3-384 hash: 6ac5d4bfc22c330206435a88312c9f6a531565c40bf9a407d9bef2d4b7c493d7d76dacf21caf20e7a882226297eca5aa
SHA1 hash: 850f266433d5bb1093edc8e7f2fd0a195ea9d43b
MD5 hash: ac180ebd6b6584e848c6624a4b54f7ac
humanhash: march-colorado-lemon-stairway
File name:RFQ for Marjan Development Program.exe
Download: download sample
Signature Formbook
File size:902'656 bytes
First seen:2021-02-22 05:18:04 UTC
Last seen:2021-02-22 06:52:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:bDUDXqVJkUqyy6nPQByvnh6f1NpQansFClX5vqLxlfdtfk+S6H9BB9B6mc/im3Km:bkyTqytnPgTq1FCN5vIdrs+1HB9VOKX
Threatray 3'816 similar samples on MalwareBazaar
TLSH 0B159C126B88DFACE07EA3355024960F9BF5B416E329ED4F7DE211DF0D61E818761A23
Reporter Anonymous
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ for Marjan Development Program.exe
Verdict:
Suspicious activity
Analysis date:
2021-02-22 04:53:34 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
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 potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 355808 Sample: RFQ for Marjan Development ... Startdate: 22/02/2021 Architecture: WINDOWS Score: 100 34 www.nepgdivv.icu 2->34 36 www.ac-in.com 2->36 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 RFQ for Marjan Development Program.exe 3 2->11         started        signatures3 process4 file5 32 RFQ for Marjan Dev...ent Program.exe.log, ASCII 11->32 dropped 14 RFQ for Marjan Development Program.exe 11->14         started        17 RFQ for Marjan Development Program.exe 11->17         started        19 RFQ for Marjan Development Program.exe 11->19         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 21 explorer.exe 14->21 injected process8 dnsIp9 38 www.stmconstructlonllc.com 199.34.228.79, 49691, 80 WEEBLYUS United States 21->38 40 www.tjjiatian.com 154.86.32.52, 49685, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 21->40 42 15 other IPs or domains 21->42 52 System process connects to network (likely due to code injection or exploit) 21->52 25 msdt.exe 21->25         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.ac-in.com/knf4/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
SH256 hash:
e5ff1fccc213b922956415d980bbbf9318b17834761d629b23448ab14868812e
MD5 hash:
ac180ebd6b6584e848c6624a4b54f7ac
SHA1 hash:
850f266433d5bb1093edc8e7f2fd0a195ea9d43b
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_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments