MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ff19d8ae3d48bed91963633eaf4fe35d96eca6c6bfa0dd4fe4cc54b4492c2d4. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ff19d8ae3d48bed91963633eaf4fe35d96eca6c6bfa0dd4fe4cc54b4492c2d4
SHA3-384 hash: 412cf67041cce166d5c5e6b90ca5667f62a5599b2a97d562964249a2fb72a4deb8edbccbfcbff79d0c8031ada1c9b3f7
SHA1 hash: fcd1d1ebb53a5cdecca4c6d94e565ebeac9e6077
MD5 hash: 7708e712889b239a508ed8f4339f1d0b
humanhash: east-sweet-happy-yankee
File name:7708e712889b239a508ed8f4339f1d0b
Download: download sample
Signature Formbook
Create hunting rule
File size:576'000 bytes
First seen:2022-05-16 13:23:12 UTC
Last seen:2022-05-16 13:46:11 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 12288:csjp02oHQqT5XlxmxRHdRjqitY441Rc4pIH5Avz6K6Q:5owmAHdRjqi+4eRc
Threatray 12'571 similar samples on MalwareBazaar
TLSH T15CC4E0AC721472EFC85BD575EEA92C74E62070BB931BA217901745AD9E0CA97CF180F3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c0b0c6c8a896a0c0 (20 x AgentTesla, 19 x Formbook, 12 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7708e712889b239a508ed8f4339f1d0b
Verdict:
Malicious activity
Analysis date:
2022-05-16 22:45:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5604c4e3-e53c-49ec-b1c0-4f43b976a37b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/271161/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6282504e89139be21fdcd101/reports/68c883a0-2a97-4211-8f6c-a2eb87fb348a/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/97efe81a-005f-49bc-bfae-341f27562ac2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994958
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 627455 Sample: yseIzOEs0p Startdate: 16/05/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 9 yseIzOEs0p.exe 7 2->9         started        process3 file4 35 C:\Users\user\AppData\Roaming\SWAfykP.exe, PE32 9->35 dropped 37 C:\Users\user\...\SWAfykP.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\AppData\Local\...\tmpFD6C.tmp, XML 9->39 dropped 41 C:\Users\user\AppData\...\yseIzOEs0p.exe.log, ASCII 9->41 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 9->51 53 Adds a directory exclusion to Windows Defender 9->53 55 Tries to detect virtualization through RDTSC time measurements 9->55 57 Injects a PE file into a foreign processes 9->57 13 yseIzOEs0p.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures5 process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 13->65 67 Maps a DLL or memory area into another process 13->67 69 Sample uses process hollowing technique 13->69 71 Queues an APC in another process (thread injection) 13->71 20 explorer.exe 13->20 injected 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8 process9 26 rundll32.exe 20->26         started        signatures10 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 explorer.exe 3 154 26->29         started        31 explorer.exe 26->31         started        33 explorer.exe 26->33         started        process11
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8ff19d8ae3d48bed91963633eaf4fe35d96eca6c6bfa0dd4fe4cc54b4492c2d4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 13:24:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f
Formbook
b8d8a8ab682956d7abd31c4fa49690ece5f9349ea7753e83243ef5a933df4684
Formbook
bec8c6b5504f6063eb944f8fc571e5f35b0ee6f6a6234dcbac63fe5479d82f13
Formbook
c1784c72cf689294811cf3f79a5b05a42207842e718bc1a3a2d40fa80d876ff8
Formbook
de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665
Formbook
de71af66a8c1bb33f1d3302d504cbd585b8ccff68d7fb3ae4cca382454b716f3
Formbook
e01aab97bf2805546ef29b22bb0d9e3e2205d4a319faaf6f7f4ce966b8aaa149
Formbook
e16a6b4f8f40398226babe7697203cb3cafcba921ef1328eef4ee46714f0f2a7
Formbook
+ 12'561 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader rat
Link:
https://tria.ge/reports/220516-qnckkafcej/
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
6c11f23dea8ff1ff5a8e724dd20c98361a8cc91ad59973f3bace802061fbf11c
MD5 hash:
1ca78f6cf6bfb285294836c3cf4698ee
SHA1 hash:
087d1191675b69b9e30d9b8e2871f5d7f448dfc6
Link:
https://www.unpac.me/results/6342ac37-4fb7-4413-a756-18d1c25fabff/
SH256 hash:
709fdbef8932044e42231f14888aa12b12ddc571e6daba8af86d624a39fa63bf
MD5 hash:
a7a6647650fe0204d1ab042824d638be
SHA1 hash:
a1194aba19ab6190a412073fe1918cd1b559aacf
Link:
https://www.unpac.me/results/6342ac37-4fb7-4413-a756-18d1c25fabff/
SH256 hash:
677ed25abf2ca42137ef47c2fc69332744bd1d382d926868b88261cc00673f99
MD5 hash:
413c3b3dde8cf1e1b08a51fe1a1089cc
SHA1 hash:
a471e0cd80bc2ea7e95ef19b963200d2902cadde
Link:
https://www.unpac.me/results/6342ac37-4fb7-4413-a756-18d1c25fabff/
SH256 hash:
bcc1ff0c7bc4d1ffc8fede4bfc00ebdc331e53138e7d56a542a2a6a62ff037b6
MD5 hash:
db208c90e3042616c1553e7177404d84
SHA1 hash:
8bf78458fb2ae652936ca7bfaf62937faccdfa41
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6342ac37-4fb7-4413-a756-18d1c25fabff/
Parent samples :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 hash:
8ff19d8ae3d48bed91963633eaf4fe35d96eca6c6bfa0dd4fe4cc54b4492c2d4
MD5 hash:
7708e712889b239a508ed8f4339f1d0b
SHA1 hash:
fcd1d1ebb53a5cdecca4c6d94e565ebeac9e6077
Link:
https://www.unpac.me/results/6342ac37-4fb7-4413-a756-18d1c25fabff/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ff19d8ae3d4/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/8ff19d8ae3d48bed91963633eaf4fe35d96eca6c6bfa0dd4fe4cc54b4492c2d4

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.

Web download

Formbook

Executable exe 8ff19d8ae3d48bed91963633eaf4fe35d96eca6c6bfa0dd4fe4cc54b4492c2d4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2197410/
Cape
Cape
https://www.capesandbox.com/analysis/271161/

Comments


Avatar
zbet commented on 2022-05-16 13:23:16 UTC

url : hxxp://198.12.89.166/70/vbc.exe