MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35c8631e608c2dea5c2969f9f59a0c85317bba6af71f2e56063b8efef57a3e05. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35c8631e608c2dea5c2969f9f59a0c85317bba6af71f2e56063b8efef57a3e05
SHA3-384 hash: a3f4f06d5216dd2b02285691c47658e4573dabd32fa2ac23467173f8d1d4c8b88ed0e0d87b70a3aa8d024c9ba74d062e
SHA1 hash: bb04e1025626922369e6d02ed877f10b4336707b
MD5 hash: 31bfb86c7a01db79c1612059e95234b7
humanhash: papa-alaska-artist-wolfram
File name:Novo Pedido de Compra n§ 532022.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:936'448 bytes
First seen:2022-02-14 15:50:39 UTC
Last seen:2022-02-18 06:49:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ooX0LClXMWZprcYpgFHD2cuEvkueWDdOpl/3i2c8T4V9E817jl+TQp0WQuBPakEX:o6SWZpw+g2SFrAXMU4bE81nuaXX9
Threatray 13'601 similar samples on MalwareBazaar
TLSH T14D150101BBF6AB13C57B0F7BE8A002411770E98B9167E77B549532EC5C8B3681D7227A
File icon (PE):PE icon
dhash icon f8a4b2b4b4b4b2c0 (20 x AgentTesla, 8 x Loki, 6 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241411/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1197.18243.5448.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/620a7a7654047500bb54298f/reports/5dbbd78c-86fe-4a1a-bb6e-f1cabea0c94d/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4eea7027-a041-4e09-9492-80a3b630520d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/939508
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
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 Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 571982 Sample: Novo Pedido de Compra n#U00... Startdate: 14/02/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 9 other signatures 2->48 10 Novo Pedido de Compra n#U00a7 532022.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\qUvsYwGll.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmpFC7F.tmp, XML 10->38 dropped 40 Novo Pedido de Com...00a7 532022.exe.log, ASCII 10->40 dropped 50 Writes to foreign memory regions 10->50 52 Allocates memory in foreign processes 10->52 54 Adds a directory exclusion to Windows Defender 10->54 56 Injects a PE file into a foreign processes 10->56 14 RegSvcs.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 2 other signatures 14->70 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 cmmon32.exe 21->27         started        signatures10 58 Modifies the context of a thread in another process (thread injection) 27->58 60 Maps a DLL or memory area into another process 27->60 62 Tries to detect virtualization through RDTSC time measurements 27->62 30 cmd.exe 1 27->30         started        32 explorer.exe 116 27->32         started        process11 process12 34 conhost.exe 30->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/35c8631e608c2dea5c2969f9f59a0c85317bba6af71f2e56063b8efef57a3e05/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-14 15:51:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gxegghtarqw6uxbjnh47lgqmquyxxotk64ps4vqghohp55l2hycq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1eb4790d6bde96e2486580793a9f6759241f0bde48e6b7f1df0e9a1e62e6a1e5
Formbook
6420ceb34588ec91292aa6fcaa2b77b99a4b492a009f51a409fd240d138c7856
Formbook
6f2d71733b4bcab1a04a40168f2900963a9f65c0081a6f1d1832d18b6bae16bb
Formbook
78925291f09bb03febfff27735cd630b96b9ea2a21aee0a8b58e156ed20b256a
Formbook
8c16cbf4df8137db774d2cb97cc386b052ca7a0b77ee1572fe7a5fc9a5a22ae0
Formbook
e08593ebcd4ac9265c1f27d987a67f43b2c8a9e9c680e9d47901281a4c5878dd
Formbook
e149c419c1e3da9f42da46d4ba594ec7b97fc9a333bea11d1693b6750edf603b
Formbook
f556af7cd24cc02eba24924d19c42966a1a98b84dfabd78c523c55f492d54acd
Formbook
fa4fe52b60d9da8ae735fe5ff04114abd194754fcd4ca94c0558ca7f6a3b3945
Formbook
+ 13'591 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer trojan
Link:
https://tria.ge/reports/220214-tagtxahgf8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a78125b7-b5d4-42fb-ae42-469cd2894da7/
Parent samples :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 hash:
3ca74eb4ce4c2c5604dc298949ae47996d93063abfde0682d689205561d17d44
MD5 hash:
4e35b541f3d9162d0ac93d336df67779
SHA1 hash:
bb9e65761186806d4bada659e9d5db0c070501d4
Link:
https://www.unpac.me/results/a78125b7-b5d4-42fb-ae42-469cd2894da7/
SH256 hash:
ba676f6e2dce24bbc42bcccfdaa01346b726a72b0e7f41d266a1ba071692c5d7
MD5 hash:
e59fc189457de05177472db651b55885
SHA1 hash:
21e9429572b0ad413954101834374f1e2dd918f4
Link:
https://www.unpac.me/results/a78125b7-b5d4-42fb-ae42-469cd2894da7/
SH256 hash:
de6bd893fb3661bc1c3fa7156d0b4b5f7435e3386bb2e0475c60fdcd7a59fa87
MD5 hash:
af0aee5243860aa15b5d59ecafe7d3e4
SHA1 hash:
14c9b614e7fb4f016c2e7bdadac27c40dfe33b00
Link:
https://www.unpac.me/results/a78125b7-b5d4-42fb-ae42-469cd2894da7/
SH256 hash:
35c8631e608c2dea5c2969f9f59a0c85317bba6af71f2e56063b8efef57a3e05
MD5 hash:
31bfb86c7a01db79c1612059e95234b7
SHA1 hash:
bb04e1025626922369e6d02ed877f10b4336707b
Link:
https://www.unpac.me/results/a78125b7-b5d4-42fb-ae42-469cd2894da7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/35c8631e608c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/35c8631e608c2dea5c2969f9f59a0c85317bba6af71f2e56063b8efef57a3e05

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 35c8631e608c2dea5c2969f9f59a0c85317bba6af71f2e56063b8efef57a3e05

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241411/

Comments