MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93815b97bf6c09abc9e705096381dd25b658853e0751f7b95cc51123c251bcf2. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 93815b97bf6c09abc9e705096381dd25b658853e0751f7b95cc51123c251bcf2
SHA3-384 hash: 63045e7a33d1fde7efeed175e5fc8024d6a5e8169a3812ef04b89d44218273425c84538dea115bc7bb05f92162dcd22d
SHA1 hash: fc96081d921b7f82b9c559ffc335b02364199fd7
MD5 hash: 6c73961037087d34597fc8a582388bcc
humanhash: pip-east-fourteen-lamp
File name:yPURXYpFVuXra2o.exe
Download: download sample
Signature Formbook
File size:814'592 bytes
First seen:2024-06-03 06:31:55 UTC
Last seen:2024-06-03 07:29:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:zMYeWygN5iwSC6OJCa0jIOGFmGJlNmvcu:zMYeqN5idN6X0jvARNmUu
Threatray 1'166 similar samples on MalwareBazaar
TLSH T18405DF00F3E83E5BD5BB95BA8134950847F97895709BD6CC6CC078DE8EE6B410B6326B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon cca6032939292d92 (16 x AgentTesla, 8 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
329
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
93815b97bf6c09abc9e705096381dd25b658853e0751f7b95cc51123c251bcf2.exe
Verdict:
Malicious activity
Analysis date:
2024-06-03 06:48:26 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Generic Network Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
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
.NET source code contains very large array initializations
AI detected suspicious sample
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)
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
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2024-06-03 01:22:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cr12 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
def130f4ca749a64f4ea327e0ed1d31748e71eac6a3ea1e55d6d8af0265be9a2
MD5 hash:
52c77b113caaa2f214bd0f45d547a6eb
SHA1 hash:
efb3b9c4c558d82e50869d71595df1eae2810147
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
20b2c74ca03624d7a1bbb77d2260d5ba0db3cfefe07561d3c6d466215a113077
MD5 hash:
5945f84a26107bcfc44b603b2f3c0797
SHA1 hash:
5c8135fb0794c9a10cd79872d87d826ade40e160
SH256 hash:
93815b97bf6c09abc9e705096381dd25b658853e0751f7b95cc51123c251bcf2
MD5 hash:
6c73961037087d34597fc8a582388bcc
SHA1 hash:
fc96081d921b7f82b9c559ffc335b02364199fd7
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments