MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8ea47473dbc97cfa22e966afd3d44634e053ed6b19197177537691a99fb6ae9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8ea47473dbc97cfa22e966afd3d44634e053ed6b19197177537691a99fb6ae9
SHA3-384 hash: f3177a7d89623d799821b81aa4a68e139fad52a4122d81ff823450665e356beec984c3e9cade4668f0e59046a064b82b
SHA1 hash: a2770fa55b9e3587b391ed77e836871277f61058
MD5 hash: bc7bd2d5d1caa4b03beb718a59f602e1
humanhash: xray-nebraska-alaska-spaghetti
File name:SecuriteInfo.com.BackDoor.AgentTeslaNET.35.23070.20861
Download: download sample
Signature Formbook
Create hunting rule
File size:866'304 bytes
First seen:2024-09-05 19:22:33 UTC
Last seen:2024-09-11 20:53:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:0qdBj0z1acAf1UoIG5MPU0wOqp0kFqxR/OSg/MY+r30oztO/m9oqRfH/+PP+owYQ:GA9UobyTkpLFaOl/Mx0wDSqRXu9nY
TLSH T1AD0512C563A0BE66CC7704B785274AD66EB05C2E9130FB925EC3727F89BB351A221743
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)
Magika pebin
File icon (PE):PE icon
dhash icon 00a282a2a282a200 (17 x Formbook, 11 x AgentTesla, 4 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
382
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.BackDoor.AgentTeslaNET.35.23070.20861
Verdict:
No threats detected
Analysis date:
2024-09-05 19:25:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c91bca81-ebe7-40d9-b75e-a84a44129003

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.35.23070.20861.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66da05188e12b8124ac9550c
Tags:
Static Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66da0519e19c06a3e691dbf8/reports/cf75dd33-41c8-4201-9ea3-650e4ca09f4f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c8ea47473dbc97cfa22e966afd3d44634e053ed6b19197177537691a99fb6ae9
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/fb04ddb1-8733-4177-9e50-fe8bbf144713
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1505180
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8ea47473dbc97cfa22e966afd3d44634e053ed6b19197177537691a99fb6ae9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8ea47473dbc97cfa22e966afd3d44634e053ed6b19197177537691a99fb6ae9/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-09-05 04:31:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zdveorz5xsl47iroszvp2pkemnhakpwwwgizof3vg5urvgp3nluq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240905-x3snnaxfql/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6018e7e5-852b-456e-a146-5323c2377f4c
Unpacked files
SH256 hash:
a8bc7efe8d50eeb9570ae8485d1e43d7a03ba9525c191e31127350b73682ab3a
MD5 hash:
055be58180fc3de1128ec7fe76ca2ed5
SHA1 hash:
b479c240113103b25f1d55a8e3ad126c04ac6075
Link:
https://www.unpac.me/results/f2eb140c-9e7f-4797-853a-f3ead3433627/
SH256 hash:
501ebb8aacde462a74b01739876a428dd0a5947f3710659808dcad305145ffce
MD5 hash:
b51904d801547b237a5365e0073c7a52
SHA1 hash:
c1267d80f91e046bad2df1e1f9c2b303d83dbbb1
Link:
https://www.unpac.me/results/f2eb140c-9e7f-4797-853a-f3ead3433627/
SH256 hash:
150c6e7de31574a3dc8c09d743987ec2c43c9bd0e6aecbf91042722359e3adc0
MD5 hash:
48815524d9fe314ab98f8df0b182908f
SHA1 hash:
a0e4dded97841cded11dce2a1b84670be882f22c
Link:
https://www.unpac.me/results/f2eb140c-9e7f-4797-853a-f3ead3433627/
SH256 hash:
97275a7f940659a4143b7b8fee2f6010bbc8bc72735faca2c18d292d193c0513
MD5 hash:
c83fc109fb473c37b8f9f188b8dec415
SHA1 hash:
2359da797f395f1579119da6ce77c51950fac935
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f2eb140c-9e7f-4797-853a-f3ead3433627/
SH256 hash:
c8ea47473dbc97cfa22e966afd3d44634e053ed6b19197177537691a99fb6ae9
MD5 hash:
bc7bd2d5d1caa4b03beb718a59f602e1
SHA1 hash:
a2770fa55b9e3587b391ed77e836871277f61058
Link:
https://www.unpac.me/results/f2eb140c-9e7f-4797-853a-f3ead3433627/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8ea47473dbc/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/c8ea47473dbc97cfa22e966afd3d44634e053ed6b19197177537691a99fb6ae9

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
Create hunting rule
Author:malware-lu
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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