MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee. 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: 14

Intelligence 14 IOCs YARA 24 File information Comments

SHA256 hash:	7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee
SHA3-384 hash:	adb50eb5224327a42a425550bad36a6578a8309bc1a560438099650c013d57de67b6abb95ab2f22f576ab554671d2aa8
SHA1 hash:	5103ca3dcd2dab5bd18438a379ff33bd070ebac7
MD5 hash:	7588072bcf492193b44226c7386e96d9
humanhash:	fourteen-pluto-cup-mobile
File name:	PURCHASE ORDER 199202509.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	893'440 bytes
First seen:	2025-02-04 15:06:18 UTC
Last seen:	2025-02-04 22:17:15 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:WvdjFwecl9U07JSxKisX4wuQh6RnV1aIx5GFVUHcnuK/7IDtwks0SsQW:GhFweI7oxKp6x7pQFVUS7IhGaQW
Threatray	35 similar samples on MalwareBazaar
TLSH	T1BB15DFC43B296706DC7947B19A30DDB053B92D69B020F6DA5ECA3BDF38697014A18F27
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	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

494

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PURCHASE ORDER 199202509.exe

Verdict:

No threats detected

Analysis date:

2025-02-04 15:09:02 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/0cf79a04-2543-421e-bb8f-8a1bd76de3a9

Note:

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

Detection(s):

Win.Packed.Msilheracles-10020638-0

Win.Packed.Agensla-10021078-0

Win.Packed.Formbook-10021419-0

Win.Packed.LokiBot-10026312-0

Win.Packed.LokiBot-10027126-0

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a22e172dcee78dd81957f7

Tags:

malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade obfuscated obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67a22d23e7790b912a1dcb05/reports/833515ca-9cdb-40e2-9431-613186e85b99/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee

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

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/820f5ccd-633e-4081-a68b-ff56b02a445e

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1606559

Signature

.NET source code contains potential unpacker

Antivirus detection for URL or domain

Found direct / indirect Syscall (likely to bypass EDR)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Machine Learning detection for sample

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

Performs DNS queries to domains with low reputation

Queues an APC in another process (thread injection)

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

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

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-02-04 15:07:14 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=pr5dp4via3aobbc5eyc7h44427mamn6yuwp7pux2nkislx5tfhxa._file

Verdict:

malicious

Label(s):

formbook

unknown_loader_037

Formbook

3b1b0c6e463108f7a2f9d683fd69ebb175b10e5662b27cc7e8511fca4157f407

Formbook

44c3fc308875ed0c6fcf4a10068e2790eb3397bb441b38ede833361312f74997

Formbook

4c9850cad6a1efce3f23362ff3f68fe5fee556e3e344e867f16ac821701e90ad

Formbook

75db64719f3225f1e42a86bb7cca56871f757076f81c42802e22a83629ac4fbb

Formbook

98a11f5e0943f5a8e0475b4c7d87b5f67a1d39f7c44e564d86df4ebd687686f8

Formbook

error

Formbook

+ 25 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250204-shb3yszjg1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Malicious

Tags:

Win.Packed.Msilheracles-10020638-0

YARA:

n/a

Link:

https://app.threat.zone/submission/ed28b797-d49b-4554-81d2-4bf49d602605

Unpacked files

SH256 hash:

952634aead3db823f135ebf2cc4f9ca828eaa07b19de0c60c4b11614f610996c

MD5 hash:

5b45a1986d2612a150e70f1fdd1f64f0

SHA1 hash:

249999567d1a1028a740cc3ae186da6eee22e71e

Link:

https://www.unpac.me/results/12c95f47-1dd5-432b-8f1b-e73eaf7ce60a/

SH256 hash:

dceb12d6156368d7d762b0b82ecc48b2d19f8aff62efc7e1e4697f2ef44f4e7a

MD5 hash:

da3cf8fdce7fa4240076ea7f5c15ddcb

SHA1 hash:

4883bfaf460f086e9921aef8f71508d3f3d8a667

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/12c95f47-1dd5-432b-8f1b-e73eaf7ce60a/

SH256 hash:

6a9c22e6a30291d9625fdcdeb421f5cab15800699bce19b7a3885cfbd688dd78

MD5 hash:

9d8f2da247eead7b52122a8b296f67f1

SHA1 hash:

4fbffe02746e9630c093d35925f5e5d7bf988909

Link:

https://www.unpac.me/results/12c95f47-1dd5-432b-8f1b-e73eaf7ce60a/

SH256 hash:

dce7ab11d9c70a43de3a801474b07fd1448d3cbb19e8e1c660280b9753cdfeef

MD5 hash:

af27f65a317e92c4128cefdaf40ed136

SHA1 hash:

4c814168907a8665c2124e21ae5d08b23eb9ca80

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/12c95f47-1dd5-432b-8f1b-e73eaf7ce60a/

Parent samples :

fd3164057ef5cfebb668b25b93a0638edf8d032f7a1e0c13249334bd913a1ad3
4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6
44c3fc308875ed0c6fcf4a10068e2790eb3397bb441b38ede833361312f74997
75db64719f3225f1e42a86bb7cca56871f757076f81c42802e22a83629ac4fbb
4c9850cad6a1efce3f23362ff3f68fe5fee556e3e344e867f16ac821701e90ad
7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee
415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86
be8bef17ae29e1e5c3fc07a4c27dd4a89ec744644aaa2900b0cd9cd9cc230f11

SH256 hash:

7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee

MD5 hash:

7588072bcf492193b44226c7386e96d9

SHA1 hash:

5103ca3dcd2dab5bd18438a379ff33bd070ebac7

Link:

https://www.unpac.me/results/12c95f47-1dd5-432b-8f1b-e73eaf7ce60a/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/7c7a37f2a806/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/7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

Rule name:	DebuggerCheck__GlobalFlags Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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 7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee

(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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