MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dae7c8ae10158c7be9ae7a115ea9b8fd40b6d3f85cace0cc10feb9ae8d8539a0. 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 3 File information Comments

SHA256 hash: dae7c8ae10158c7be9ae7a115ea9b8fd40b6d3f85cace0cc10feb9ae8d8539a0
SHA3-384 hash: 8d339617bcce4292b315804b377ef8300507580c104bf89b9e08dcf4bf869b38c18ff4cb626a690e94b354e3b14f4e15
SHA1 hash: 9d5b31adef80a7c4bfb84b0b07717fb1786a4552
MD5 hash: 86cc523dc15e1863e3afdc66d64262d1
humanhash: oven-north-alabama-item
File name:REQUERIMIENTO DE COTIZACION.exe
Download: download sample
Signature Formbook
File size:667'648 bytes
First seen:2024-02-05 08:23:15 UTC
Last seen:2024-02-05 10:34:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9Nd53rD22qXLGzsvYisr3CtK5rb+gh9GDdTzuNwp0CdnVC7nJb:/rDkyIv0rF3pkDJ0m+nJ
Threatray 703 similar samples on MalwareBazaar
TLSH T157E412A537F91F2BC47CCBF425A6C54983B1B56FA522E61C5FCAB0DF5826B004B02A17
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)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
273
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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, PureLog Stealer
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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspect Svchost Activity
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1386584 Sample: REQUERIMIENTO_DE_COTIZACION.exe Startdate: 05/02/2024 Architecture: WINDOWS Score: 100 55 www.yzyz841.xyz 2->55 57 www.zom11.com 2->57 59 10 other IPs or domains 2->59 77 Snort IDS alert for network traffic 2->77 79 Multi AV Scanner detection for domain / URL 2->79 81 Found malware configuration 2->81 85 15 other signatures 2->85 11 REQUERIMIENTO_DE_COTIZACION.exe 7 2->11         started        15 BVuDUxCjtd.exe 5 2->15         started        signatures3 83 Performs DNS queries to domains with low reputation 55->83 process4 file5 51 C:\Users\user\AppData\...\BVuDUxCjtd.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmp88E7.tmp, XML 11->53 dropped 93 Uses schtasks.exe or at.exe to add and modify task schedules 11->93 95 Writes to foreign memory regions 11->95 97 Allocates memory in foreign processes 11->97 99 Adds a directory exclusion to Windows Defender 11->99 17 RegSvcs.exe 11->17         started        20 RegSvcs.exe 11->20         started        22 powershell.exe 22 11->22         started        24 schtasks.exe 1 11->24         started        101 Multi AV Scanner detection for dropped file 15->101 103 Machine Learning detection for dropped file 15->103 105 Injects a PE file into a foreign processes 15->105 26 RegSvcs.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 73 Queues an APC in another process (thread injection) 17->73 30 explorer.exe 78 1 17->30 injected 75 Tries to detect virtualization through RDTSC time measurements 20->75 34 WmiPrvSE.exe 22->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 28->40         started        process9 dnsIp10 61 www.sgyy3ej2dgwesb5.com 210.152.82.243, 49721, 80 IDCFIDCFrontierIncJP Japan 30->61 63 www.dianetion.com 104.21.52.67, 49717, 80 CLOUDFLARENETUS United States 30->63 65 3 other IPs or domains 30->65 107 System process connects to network (likely due to code injection or exploit) 30->107 42 mstsc.exe 30->42         started        45 svchost.exe 30->45         started        signatures11 process12 signatures13 87 Modifies the context of a thread in another process (thread injection) 42->87 89 Maps a DLL or memory area into another process 42->89 91 Tries to detect virtualization through RDTSC time measurements 42->91 47 cmd.exe 42->47         started        process14 process15 49 conhost.exe 47->49         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2024-02-01 18:11:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gy14 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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:
75accc0c2926e373c395dafe8324b0dbd256bb398ae8a765abbab18f2729c09a
MD5 hash:
f4aa278c181d6a5da571b7fa14025898
SHA1 hash:
523666ffb8bed7d116377446724536c553629dae
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
Parent samples :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 hash:
7b76495e9c47bc3974272576fce3e7d7742d3e47d8d476c60cbd671140383b8e
MD5 hash:
316fb87cbbe633a0559f149c72eef0f3
SHA1 hash:
c9dd8701765892f2f161498c9def2ee036cfb955
SH256 hash:
a91462e9c8e5d78d4047a80eb89a38c6e76e5d4cf6ac8ff7142e19bb7ecfbb82
MD5 hash:
b3200a8295f2098fa0078754ab6728ce
SHA1 hash:
b84d3cbebfd2eb9822664ca47fe56e6ee95e0ddc
SH256 hash:
1a782761c9fb7021909d364d472be989b48a15f959d57cae23a29d66932d6e21
MD5 hash:
ce1bfe9afce81d134e28b8f18dcd7fa7
SHA1 hash:
b01d920f86182dd56a19cec80e37f603b7245164
SH256 hash:
90d526afc7fc0bbf088c90ff317012231af08dd496a080b134dbe89ad0d7a3b5
MD5 hash:
485f21940683415518892b65a5dd1375
SHA1 hash:
7627fadeeaa59ff21c67fa295f4737c7013a4fea
SH256 hash:
dae7c8ae10158c7be9ae7a115ea9b8fd40b6d3f85cace0cc10feb9ae8d8539a0
MD5 hash:
86cc523dc15e1863e3afdc66d64262d1
SHA1 hash:
9d5b31adef80a7c4bfb84b0b07717fb1786a4552
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: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.

Malspam

Formbook

Executable exe dae7c8ae10158c7be9ae7a115ea9b8fd40b6d3f85cace0cc10feb9ae8d8539a0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments