MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb. 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: 19

Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash:	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb
SHA3-384 hash:	97c5e7be1dc08d01342a86e46d60baae62af2abd4f0f71642690f6ce979d52c89a6996b3166c886a0a7b5990137023e3
SHA1 hash:	c0696cd65511957e04e61b79206e3e642e5a8992
MD5 hash:	d57f189db1e00f4bc3bf0697023c763d
humanhash:	eight-emma-maryland-winner
File name:	2000286283.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	602'112 bytes
First seen:	2025-03-24 12:19:10 UTC
Last seen:	2025-03-24 12:21:21 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:48XLCsp4ppptlpMkQ28GKkpeGHO8FG0tF5RlCgnKl0kEVjun+BciO4d0N+2FSV:/XLCsO7ptS/kpeq+0FLCrVEVju+BciOc
Threatray	2'951 similar samples on MalwareBazaar
TLSH	T1DED412BC6954D9AAEE8157360971F37252789E8EE411E353CAFCEEA37C153393418388
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
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

383

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

2000286283.exe

Verdict:

Malicious activity

Analysis date:

2025-03-25 07:20:51 UTC

Tags:

formbook stealer xloader

Link:

https://app.any.run/tasks/18bec9ff-7467-4aaf-ab4c-43cb19b1af87

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e24b83bb84e066269ed7ce

Tags:

spawn shell msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Launching a process

Launching cmd.exe command interpreter

Setting browser functions hooks

Adding an exclusion to Microsoft Defender

Unauthorized injection to a system process

Unauthorized injection to a browser process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67e14dd2c26eb3fd74f531e4/reports/1d8866ac-ade7-44e5-bbe2-7317bf921afd/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb

Result

Verdict:

MALICIOUS

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1647067

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb/

Threat name:

Win32.Trojan.Leonem

Status:

Malicious

First seen:

2025-03-19 13:17:04 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=353cld22skaxceoepq3q6qean4hjcp7ivdyf3sckri7v4xeemtvq._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:bs03 discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/250324-phfjlaztaz/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Formbook payload

Formbook

Formbook family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/9fc80d42-266b-4f15-b266-280ef174ceb0

Unpacked files

SH256 hash:

df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb

MD5 hash:

d57f189db1e00f4bc3bf0697023c763d

SHA1 hash:

c0696cd65511957e04e61b79206e3e642e5a8992

Link:

https://www.unpac.me/results/f983b9f3-c8b8-4657-84b3-a3579dc82f97/

SH256 hash:

a2ce93569cb803034137ae92bdf592f064f25568faf455d4235a0de7650addb3

MD5 hash:

141f873b3a14df1f29b1a16e27c7f502

SHA1 hash:

1ff08c1f35021837ddac0bd1db574e21ebaeea76

Link:

https://www.unpac.me/results/f983b9f3-c8b8-4657-84b3-a3579dc82f97/

SH256 hash:

6753c500816988df2e372ee8dc590466bbc20c36e9dec9368920b51edac0e05e

MD5 hash:

f71d8aed1ceb72b771443b8a5abb903e

SHA1 hash:

cde3e9f5691ed1fb81dcdf5d01c208106f2b6185

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/f983b9f3-c8b8-4657-84b3-a3579dc82f97/

SH256 hash:

532b11c8087cc519a9ad47e7d9f1129467911478a1ef182b4187584aa011d29d

MD5 hash:

ccee1396e554934bc68432550a9d5470

SHA1 hash:

89301cec622009659e5913b0406de46cf0e873de

Detections:

win_formbook_w0

win_formbook_g0

win_formbook_auto

FormBook

Windows_Trojan_Formbook

Formbook

Link:

https://www.unpac.me/results/f983b9f3-c8b8-4657-84b3-a3579dc82f97/

Parent samples :

41415c1dab37487faf427095855fb66cafa150ae15b9c515234e1e0b5f733aa8
4023f16ab570c96bbfc7d6c9685d137382c82029c15df71696acdc20023dd31b
8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f
df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb
16fd6d298d5601766ee8fd0e0164898436f9cad9ac79927a14af387166aac100

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/df76258f5a92/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/df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb

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

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.

Malspam

Formbook

exe df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb

(this sample)

Delivery method

Distributed via e-mail attachment

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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