MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5d15ff5604856647866fcb66e6353cf860114ffe01af6662f53c2a39a7676d9. 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: d5d15ff5604856647866fcb66e6353cf860114ffe01af6662f53c2a39a7676d9
SHA3-384 hash: 2f76f3ef86f30c74ecd313c9b1d8dd4b81c66a176e70a4c1f7e80dfb39e4906848699c95f3ce0bba59f4cf964f83bc3f
SHA1 hash: a1a7554c594adb55378618e96db886dff7d6665b
MD5 hash: 9bfeae8618a808b2936337e2454f7430
humanhash: purple-sierra-apart-hot
File name:SecuriteInfo.com.Trojan.Mardom.PN.10.9451.1264
Download: download sample
Signature Formbook
File size:649'728 bytes
First seen:2022-04-26 10:40:51 UTC
Last seen:2022-04-27 18:53:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:lw03UsVZmRIAijaPWNXW9T8o3rPvq5gVGYBZOszk09FySaY2+ooIeBPEwJFdgV5U:TVTAi0D7PCmV3ZpBMp/+HPhV0a2s4m
Threatray 12'378 similar samples on MalwareBazaar
TLSH T16FD49E8A23D6F826F33F2BB1D69CF65183A151C7D53A83BB00A091D9A7712E46D911F3
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-26 08:25:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s3s3 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
f7cfefeeb635a25ea33b8921d2da4b46d0f301fded20f297921769ad664760e5
MD5 hash:
fc05ef30d9d06337930de3d0cd958426
SHA1 hash:
b1b9ae6702b163a47fcb6151eb9cd45c337afa38
SH256 hash:
21da0a74bf4268a9ce468230c1dfa9b1ac8ae5d59bc9fa3c9a5c41d5c7684fd2
MD5 hash:
796fb628f699a0d18448eb2e4ef11b69
SHA1 hash:
7aa8b830afc32a9a7ea5c0f79c894cf42c49df64
SH256 hash:
d5d15ff5604856647866fcb66e6353cf860114ffe01af6662f53c2a39a7676d9
MD5 hash:
9bfeae8618a808b2936337e2454f7430
SHA1 hash:
a1a7554c594adb55378618e96db886dff7d6665b
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.

Comments