MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dac971c09595219e2190a7e73cd539496d26f4981c8a3e8a566aecd2dec7e7a4. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dac971c09595219e2190a7e73cd539496d26f4981c8a3e8a566aecd2dec7e7a4
SHA3-384 hash: 091f905cbb299d7f083ee0ae4592ae79faa305236a7c9bdd2002446fb9c8967d32d9ae285f4cf6ae9c3407253bdec0b7
SHA1 hash: 951591be46168095bb85c02fb489b96d08957c20
MD5 hash: db0186feb703707fff862a6ebad0ce30
humanhash: butter-item-angel-hamper
File name:INVOICE -W_ID1710498.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:835'072 bytes
First seen:2024-12-14 12:47:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:UnC25usx+Xt1PT2m5PonAGbZKm41TRVoZauPg+O+O6WfRICndA0RDoWP7ZZ8Om:MxqnAAGbQzZXxuPyEmICndAgB1Z8O
Threatray 56 similar samples on MalwareBazaar
TLSH T1C205F11632658807D6B687F00E71F1B917F96EE9A815E2D74EC5ADDFB8E2F801A40313
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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 00844b16e6643800 (10 x Formbook, 3 x AgentTesla, 1 x VIPKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
364
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
backup-message-10.211.5.132_9045-6798795.eml
Verdict:
Malicious activity
Analysis date:
2024-12-03 07:50:36 UTC
Tags:
attachments attc-arch arch-exec
Link:
https://app.any.run/tasks/7e1d1b67-2ba7-4a87-b3c5-6689df92c9a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Malwarex-10038365-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675d812c8fb73f13afc60861
Tags:
agenttesla virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook infostealer masquerade packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/675d7e8398f3f03106e46fb0/reports/ae5a25fb-5a4e-41ef-a3f1-b01ad217043e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/dac971c09595219e2190a7e73cd539496d26f4981c8a3e8a566aecd2dec7e7a4
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:
KeyBase
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c37f2ef7-50e5-4aa0-80b4-cd91c355285c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1575110
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1575110 Sample: INVOICE -W_ID1710498.exe Startdate: 14/12/2024 Architecture: WINDOWS Score: 84 18 Multi AV Scanner detection for submitted file 2->18 20 Yara detected FormBook 2->20 22 Yara detected AntiVM3 2->22 24 4 other signatures 2->24 6 INVOICE -W_ID1710498.exe 3 2->6         started        process3 file4 16 C:\Users\...\INVOICE -W_ID1710498.exe.log, ASCII 6->16 dropped 26 Injects a PE file into a foreign processes 6->26 10 INVOICE -W_ID1710498.exe 6->10         started        12 INVOICE -W_ID1710498.exe 6->12         started        14 INVOICE -W_ID1710498.exe 6->14         started        signatures5 process6
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dac971c09595219e2190a7e73cd539496d26f4981c8a3e8a566aecd2dec7e7a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dac971c09595219e2190a7e73cd539496d26f4981c8a3e8a566aecd2dec7e7a4/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 05:13:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3lexdqevsuqz4imqu7ttzvjzjfwsn5eydsfd5cswnlwnfxwh46sa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
1418f2f0a3b3f95b6d7594a9bcf9f8e81c4aa9917a0841d647047d3b22f7ffb5
Formbook
1d2af4792048076fca7173a17292b2ec656cc778e346d4ffd4cdfd59934f6c3c
Formbook
750c0b5cd8ecc25f79e725e1184401806154c3d4880cfabdc3641040a21798d6
Formbook
756abd1273244ba91c1b9bd7bb86182e9012e12f2599cb715f9757cc34e3a81e
Formbook
8ba1a789e4494fdc1f919352cb4d80f26ea73c3dd94f978c32cde476afceb34a
Formbook
dac971c09595219e2190a7e73cd539496d26f4981c8a3e8a566aecd2dec7e7a4
Formbook
e70f87d5f05ff21f16c25173755ebb71a2cf2b46c047aa9ad9bbf1e13e2dd3c4
Formbook
error
Formbook
+ 46 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241214-p1rpksslhv/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
Win.Packed.Malwarex-10038365-0
YARA:
n/a
Link:
https://app.threat.zone/submission/dd90dfac-db02-4016-a59f-870153ab5604
Unpacked files
SH256 hash:
850d809ebed6ce8965b3ad15e97a36e61910019061768d7b1187238a4748cd63
MD5 hash:
fa4df63fd769faf9faf234eb4263a355
SHA1 hash:
3658bea56d239adf098bd4fbfcaa346c08090551
Link:
https://www.unpac.me/results/379b1aa1-1627-467f-98d9-cf37a6d4dadc/
SH256 hash:
b6ed6f6d010f4e45ba8e0a9c109ba5006e29a76d0a985088f9e784d2e027b0e9
MD5 hash:
c94e086a53f0c67323e9cd7b357ac5d8
SHA1 hash:
ea50f4fcb912eb97d42003aebb1662206bdc73b0
Link:
https://www.unpac.me/results/379b1aa1-1627-467f-98d9-cf37a6d4dadc/
SH256 hash:
6bc4a5a62b85a82ff33e1597f08d3d151ae59caa7f8ee8865e38fedb962ebb6a
MD5 hash:
614381f33591f2ece4699407ba06e477
SHA1 hash:
9f52392f7036d334842854a7c7781ef02b034528
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/379b1aa1-1627-467f-98d9-cf37a6d4dadc/
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
Link:
https://www.unpac.me/results/379b1aa1-1627-467f-98d9-cf37a6d4dadc/
SH256 hash:
dac971c09595219e2190a7e73cd539496d26f4981c8a3e8a566aecd2dec7e7a4
MD5 hash:
db0186feb703707fff862a6ebad0ce30
SHA1 hash:
951591be46168095bb85c02fb489b96d08957c20
Link:
https://www.unpac.me/results/379b1aa1-1627-467f-98d9-cf37a6d4dadc/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NETexecutableMicrosoft
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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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