MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 855a1eca9c5b0a87ae4bd3c993fa9582807db1f7620e63d558f310826f17f5bb. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 855a1eca9c5b0a87ae4bd3c993fa9582807db1f7620e63d558f310826f17f5bb
SHA3-384 hash: 86f551bb14c8723d7fe3ad6b5c5b2614bd55b1d5219f086156d9a075a1e8e2201208ab2e116c5626f60f4c2ea469a438
SHA1 hash: 7188043872e705990e9a5c5d86b10f1b76964d06
MD5 hash: 93bfb47f97037dbf8dafcbc1ca4d78f5
humanhash: failed-maine-idaho-avocado
File name:SecuriteInfo.com.W32.AIDetectNet.01.16211.10976
Download: download sample
Signature Formbook
Create hunting rule
File size:739'328 bytes
First seen:2022-05-25 11:58:56 UTC
Last seen:2022-05-25 12:53:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:2eGZFF8RrCYWvFqzP39RuQYM1XmMt68lNr/HNeKjYjDy4cTOJh8yuNKC52HJSQCS:2e9CNFqz5H1XmZ8fYPyEJ2UKFq
TLSH T171F4F19D325071EFC877C972DAA42C24EA61747BA31BD207D053029D9A5EA97CF206F3
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.16211.10976
Verdict:
Malicious activity
Analysis date:
2022-05-25 12:05:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ce7572fb-0154-430d-806c-77055ca201f4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/274498/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628e1a20054dcf0ecaec7587/reports/9a32260d-b481-4036-915e-73eceffb9286/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/a13c488a-3a4b-44ae-bf16-9da06369285f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001542
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/855a1eca9c5b0a87ae4bd3c993fa9582807db1f7620e63d558f310826f17f5bb/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-05-25 12:56:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvnb5su4lmfiplsl2pezh6uvqkah3mpxmihghvky6miie3yx6w5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:n4w3 rat spyware stealer trojan
Link:
https://tria.ge/reports/220525-n5qseaebdn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
43cb3fd1fa3c66f18cab67a9b7dbd96198dc040995c420f773976b4bc7faa7a3
MD5 hash:
c2be74275ac7516a986ec1c3e0e5900b
SHA1 hash:
1a6f184cc6ee663b098865df912f31111e68a50a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3dd5a573-53fc-42ae-8c2b-0d6d8b6e917e/
Parent samples :
f6acdf84ba27d835f11aaeaf29f71eab77a592fb6fea7a06d76bcd1d9228171c
e7962cdd23b186bb033234ee3275fef94db2650f2a15fd78b25c8a2662effc80
2e55e2c67fa00e3e955098409e3ee4037367af854f657cbbc83d5931b4355c36
0dc51cc07b6bf013458c563abe49a7a132fe00b9a9d80fabc2fc3baaa0dea039
9cc59c41a1a4636cca3666a82734007019864ad4657402a67a7956cf7c0342c5
855a1eca9c5b0a87ae4bd3c993fa9582807db1f7620e63d558f310826f17f5bb
SH256 hash:
d41c05ec3322eb03dd7ce019fc9c417c08055e69716612afbab3df191941ae3c
MD5 hash:
d1b8ed4730568061686648683c054a91
SHA1 hash:
d7b5cc7b50c9fcf2e3182d8501a0eee8257d4fb9
Link:
https://www.unpac.me/results/3dd5a573-53fc-42ae-8c2b-0d6d8b6e917e/
SH256 hash:
3244ac73e6f083d1405602b8402fba958b223322d6822db5d77b8057248dfddc
MD5 hash:
f2600bc177530bc05f1143696708c316
SHA1 hash:
cb18237e26f53e10ad6ead734781e7a14638c883
Link:
https://www.unpac.me/results/3dd5a573-53fc-42ae-8c2b-0d6d8b6e917e/
SH256 hash:
deed132665b9cfe899f655cd9157b4136cacaa87c2b6307a7fe8169750533667
MD5 hash:
da401544ea1b223bebcf38fa9e3f62c1
SHA1 hash:
c0b1a20fc26ce762902c908dbd452e563054db23
Link:
https://www.unpac.me/results/3dd5a573-53fc-42ae-8c2b-0d6d8b6e917e/
SH256 hash:
c720d8d87e5744ef459c160ae3ae85984519c5cee89d4acd3d4156f929ebcca2
MD5 hash:
86f922d84e1b89f646bc23cb3d878a9c
SHA1 hash:
b61f4401c1a144d704988cf4e55dd9a71f8d8263
Link:
https://www.unpac.me/results/3dd5a573-53fc-42ae-8c2b-0d6d8b6e917e/
SH256 hash:
855a1eca9c5b0a87ae4bd3c993fa9582807db1f7620e63d558f310826f17f5bb
MD5 hash:
93bfb47f97037dbf8dafcbc1ca4d78f5
SHA1 hash:
7188043872e705990e9a5c5d86b10f1b76964d06
Link:
https://www.unpac.me/results/3dd5a573-53fc-42ae-8c2b-0d6d8b6e917e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/855a1eca9c5b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/855a1eca9c5b0a87ae4bd3c993fa9582807db1f7620e63d558f310826f17f5bb

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.

Cape
Cape
https://www.capesandbox.com/analysis/274498/

Comments