MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b. 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 2 File information Comments

SHA256 hash: 8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b
SHA3-384 hash: 6a9d7a6144cbf3057d0188c26e0cd24e8db7a7a1b6c9de5b8e1a9b11f5e865e74adf9c85b9a0584f2e65a2eea26b5f0d
SHA1 hash: f40747dd6f9bd62751bc2b9734dd5bbe8e92723a
MD5 hash: a6718dd552a34001f40ced365b16d1ee
humanhash: angel-steak-leopard-hawaii
File name:SecuriteInfo.com.Win32.PWSX-gen.24957.8148
Download: download sample
Signature Formbook
File size:790'016 bytes
First seen:2023-04-26 18:29:39 UTC
Last seen:2023-05-13 22:57:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:RblmTdKCcfCQtVKr2hXFn+8WnTN77B2qjsH0y:xlmAdE291+86d
Threatray 2'748 similar samples on MalwareBazaar
TLSH T143F4F43C28BD1627C579D7E58FD08427B664986B7121EE68ACC793E60306F1269C363F
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
288
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.24957.8148
Verdict:
Malicious activity
Analysis date:
2023-04-26 18:31:18 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
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 854743 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 26/04/2023 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 72 6 other signatures 2->72 10 WBJIjC.exe 5 2->10         started        13 SecuriteInfo.com.Win32.PWSX-gen.24957.8148.exe 7 2->13         started        process3 file4 80 Multi AV Scanner detection for dropped file 10->80 82 Machine Learning detection for dropped file 10->82 84 Tries to detect virtualization through RDTSC time measurements 10->84 16 WBJIjC.exe 10->16         started        19 schtasks.exe 1 10->19         started        44 C:\Users\user\AppData\Roaming\WBJIjC.exe, PE32 13->44 dropped 46 C:\Users\user\...\WBJIjC.exe:Zone.Identifier, ASCII 13->46 dropped 48 C:\Users\user\AppData\Local\...\tmp5EE0.tmp, XML 13->48 dropped 50 SecuriteInfo.com.W....24957.8148.exe.log, ASCII 13->50 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 13->86 88 Adds a directory exclusion to Windows Defender 13->88 21 powershell.exe 21 13->21         started        23 schtasks.exe 1 13->23         started        25 SecuriteInfo.com.Win32.PWSX-gen.24957.8148.exe 13->25         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Sample uses process hollowing technique 16->62 64 Queues an APC in another process (thread injection) 16->64 27 explorer.exe 2 1 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        process8 dnsIp9 52 www.searo.co.uk 213.171.195.105, 49698, 80 ONEANDONE-ASBrauerstrasse48DE United Kingdom 27->52 54 www.expresspestcontrol.net 192.64.119.26, 49696, 80 NAMECHEAP-NETUS United States 27->54 56 2 other IPs or domains 27->56 90 System process connects to network (likely due to code injection or exploit) 27->90 37 help.exe 27->37         started        signatures10 process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 37->74 76 Maps a DLL or memory area into another process 37->76 78 Tries to detect virtualization through RDTSC time measurements 37->78 40 cmd.exe 1 37->40         started        process13 process14 42 conhost.exe 40->42         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-04-26 18:30:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
15 of 22 (68.18%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o17i rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
7b018d831e5a135868fc7e507c2e4360b7fb5890554e689a7817759528a29b85
MD5 hash:
a4ef8d0a55cbfe334ef8e92dfa18d8ca
SHA1 hash:
b22515298982a3bc17a127e49a4f7afd5b8e69fa
SH256 hash:
58d2780bac07a53fa9ef0099c386ad23c2c5b83df99e18bbcca9895f829ef5d8
MD5 hash:
3a6ac846fbf56df68c3cb61cd18c7623
SHA1 hash:
e5b7f4e47b357f330b33330663ff5739a02d442f
SH256 hash:
5779e02b2dc1d0286c4a3313660e6973c0d7644adbf92de7f8dd405855429796
MD5 hash:
bac3d79052ecad761f631179ecf46cdf
SHA1 hash:
312da0d3bafc01bc58ae2b0abcdb93098417ec2c
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
SH256 hash:
80b2347e80b1e4763fff564144aab01c6ed432aa15aa65ded0a068a6d8503bcb
MD5 hash:
b022c3dfced1887a5632412ff9b16fe2
SHA1 hash:
02e487f5febf3a98b45a11ccbd5fda72507ad8be
SH256 hash:
8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b
MD5 hash:
a6718dd552a34001f40ced365b16d1ee
SHA1 hash:
f40747dd6f9bd62751bc2b9734dd5bbe8e92723a
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