MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4
SHA3-384 hash: 74073c4206e077361d9993287a65fcdc30a55d0b38542c62582da08f6ca7a610e7a823e8a16966573ceada053752cd63
SHA1 hash: af39615fbe91de2772dcd92ecec6cacfdf9c254e
MD5 hash: cbd51ff5d3feb548256a96e491d22100
humanhash: princess-purple-bulldog-venus
File name:cbd51ff5d3feb548256a96e491d22100.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:817'152 bytes
First seen:2023-02-01 15:51:13 UTC
Last seen:2023-02-01 17:36:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:sXHig3UEtclUxmYUanPaCtr8zw6R5c4N34:sXHfEkFVRPaer8z
TLSH T11F0549813BB19872F1DB09B91128778C1F3C684767D6E2769BF679C092026F7F298D12
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 abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cbd51ff5d3feb548256a96e491d22100.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 15:51:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e5de7d42-545d-426e-942e-55b5ba1be237

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/359127/
Detection(s):
SecuriteInfo.com.Variant.Lazy.291536.26892.7796.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63da8aa31c9cbf7d62552825/reports/0130896f-3ee5-4153-afd8-4f486dd43753/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c6c7ee7-6953-428d-a486-18a801ec9978
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1163572
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 796344 Sample: gjNX6CFK0h.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 29 www.album0186.online 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 4 other signatures 2->39 9 gjNX6CFK0h.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\gjNX6CFK0h.exe.log, Unknown 9->23 dropped 49 Injects a PE file into a foreign processes 9->49 13 gjNX6CFK0h.exe 9->13         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 2 1 13->16 injected process9 dnsIp10 25 www.album0186.online 46.28.106.170, 80 WEDOSCZ Czech Republic 16->25 27 www.aviator238.cyou 104.21.40.19, 49706, 80 CLOUDFLARENETUS United States 16->27 31 System process connects to network (likely due to code injection or exploit) 16->31 20 wscript.exe 13 16->20         started        signatures11 process12 signatures13 41 Tries to steal Mail credentials (via file / registry access) 20->41 43 Tries to harvest and steal browser information (history, passwords, etc) 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-02-01 15:52:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vf5kmycnflkri2uo6jjok4ouwda6f3ufm2lex2aimuzo6be3cdka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230201-ta25vaae26/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
04c51d01e14e81780bb09d209a3df3f41aff538977dc517461f720af1d9f9254
MD5 hash:
ce26a46b76aa08ab5f28d3dd91ae0a11
SHA1 hash:
721dabe74f55ffcee40e4974d152dc85b9c6c98e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/467a1be6-cbde-4608-bca4-6426b417dbd6/
Parent samples :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 hash:
1681aeaf5497a7c6dfcac31e0f76d8d4532f8bb37a15d9213ea1cb9310e61260
MD5 hash:
f157f8d5bab8c393b3516c1d5fc4790a
SHA1 hash:
74c4578e3b9378d7874f8d81f4712b06a7d18b8b
Link:
https://www.unpac.me/results/467a1be6-cbde-4608-bca4-6426b417dbd6/
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
Link:
https://www.unpac.me/results/467a1be6-cbde-4608-bca4-6426b417dbd6/
SH256 hash:
13464357c0a8935771cdc6da7e8795e0b1045d7cd07e4aaa6220b2fbfaacc927
MD5 hash:
9e9831b24f6c0024e0ecf36e75440bec
SHA1 hash:
8231e14d771f8b218fc1a3320abed9821fd81d49
Link:
https://www.unpac.me/results/467a1be6-cbde-4608-bca4-6426b417dbd6/
SH256 hash:
2eed039eaa6de469832e5ca2d9d50ced56ffec6591c8b7496dfdcecc92546f5c
MD5 hash:
008cd8e55b8a4111801ad69c11c8f4ab
SHA1 hash:
59b3e0baf9ae11ca77d28277b5da99bf78e2880d
Link:
https://www.unpac.me/results/467a1be6-cbde-4608-bca4-6426b417dbd6/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/467a1be6-cbde-4608-bca4-6426b417dbd6/
SH256 hash:
a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4
MD5 hash:
cbd51ff5d3feb548256a96e491d22100
SHA1 hash:
af39615fbe91de2772dcd92ecec6cacfdf9c254e
Link:
https://www.unpac.me/results/467a1be6-cbde-4608-bca4-6426b417dbd6/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a97aa6604d2a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4

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 a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2298641/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/359127/

Comments