MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5
SHA3-384 hash: fba8178cb7de860eb9f1d2c7af0cf7ad433c0f7359aaae3822a81e5a12f7f3d1a765581bd4616634f26a10d93269c55a
SHA1 hash: 4c2620b7380e961d5c2926d63cc5be47e18f160a
MD5 hash: addfdd840421c337c896bb38f139777c
humanhash: solar-mirror-arizona-romeo
File name:NNj87.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:381'440 bytes
First seen:2024-08-09 06:55:18 UTC
Last seen:2024-08-09 07:28:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:t0S1Iq23lWA7yVH8W/3kehyO/ftIJWx8MiCQVSR4TkjztyBzZeEl6XvyP9sX2z8N:Ov3AA7EcWfkeR/WHjVSR/96Ze/XvyPiz
Threatray 3 similar samples on MalwareBazaar
TLSH T1A684128DD78A40E2ED8C3AF455B79F151FC3EC530816A8C6318872771EA9766087FA4B
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)
File icon (PE):PE icon
dhash icon 00be8323b233bac0 (79 x AgentTesla, 11 x Loki, 9 x DarkCloud)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
NNj87.exe
Verdict:
Malicious activity
Analysis date:
2024-08-09 07:03:32 UTC
Tags:
formbook stealer
Link:
https://app.any.run/tasks/e73d0731-1f04-459a-b23e-8b6fe2ab2feb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b5bd88b35234d5cc65bd59
Tags:
Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuser confuserex packed packed
Link:
https://www.filescan.io/uploads/66b5bd8720b316b86ff239f1/reports/7ad1fd31-4cfe-4f13-97fb-281e5642d3c3/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5
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/4e72469d-45b8-4878-b56c-2e8458108295
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1490424
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Found direct / indirect Syscall (likely to bypass EDR)
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)
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)
Windows Update Standalone Installer command line found (may be used to bypass UAC)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1490424 Sample: NNj87.exe Startdate: 09/08/2024 Architecture: WINDOWS Score: 100 35 www.yamegoart.com 2->35 37 www.solesense.pro 2->37 39 24 other IPs or domains 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 10 NNj87.exe 1 2->10         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...33Nj87.exe.log, ASCII 10->33 dropped 67 Writes to foreign memory regions 10->67 69 Allocates memory in foreign processes 10->69 71 Injects a PE file into a foreign processes 10->71 14 CasPol.exe 10->14         started        17 CasPol.exe 10->17         started        signatures6 process7 signatures8 75 Maps a DLL or memory area into another process 14->75 19 MbUtjSBFCK.exe 14->19 injected process9 signatures10 55 Windows Update Standalone Installer command line found (may be used to bypass UAC) 19->55 57 Found direct / indirect Syscall (likely to bypass EDR) 19->57 22 proquota.exe 13 19->22         started        25 wusa.exe 19->25         started        process11 signatures12 59 Tries to steal Mail credentials (via file / registry access) 22->59 61 Tries to harvest and steal browser information (history, passwords, etc) 22->61 63 Modifies the context of a thread in another process (thread injection) 22->63 65 3 other signatures 22->65 27 MbUtjSBFCK.exe 22->27 injected 31 firefox.exe 22->31         started        process13 dnsIp14 41 www.bulkfun.top 203.161.46.103, 49738, 49739, 49740 VNPT-AS-VNVNPTCorpVN Malaysia 27->41 43 lenslaser.com 162.241.216.140, 49758, 49759, 49760 UNIFIEDLAYER-AS-1US United States 27->43 45 11 other IPs or domains 27->45 73 Found direct / indirect Syscall (likely to bypass EDR) 27->73 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-04-24 10:43:54 UTC
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=itiyj4okdlis6x6way67fcvf4mdcpr5z2e4pks5gxpkmrfx2ctcq._file
Verdict:
malicious
Similar samples:
8289bcb3791844b6a67a760ef22dabc499f9413ba473ce1d4a0dc720a237951c
Formbook
d6514eed7fd7242c429612acedbc29e049b489dbaeabf6ebfc78b3526f267013
Formbook
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery stealer
Link:
https://tria.ge/reports/240809-js2xpayank/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Credentials from Password Stores: Credentials from Web Browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2951caaf-f076-4571-9ddf-474dc467fe63
Unpacked files
SH256 hash:
5b63ae729ae24eb04b3b4a26af8d9800a9a2a5bc4156efc0259d06a126b25ae8
MD5 hash:
a3e972e4cfb2cae1f06abbaad586c88a
SHA1 hash:
09f7917e4dbd58a47ce45867dcb810fbcb349ced
Link:
https://www.unpac.me/results/af763211-ab70-4246-aec8-5d2fc2bac733/
SH256 hash:
06acf27d1ccab01b6f0cc3f8fd4c17e29c534292494ad9aeaffaf6c55a9504e5
MD5 hash:
655d12178996fa2e84348d53575a2c21
SHA1 hash:
ebe37cefd922ad63f1abcf045bfd4b1e4897670e
Detections:
INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Link:
https://www.unpac.me/results/af763211-ab70-4246-aec8-5d2fc2bac733/
Parent samples :
8289bcb3791844b6a67a760ef22dabc499f9413ba473ce1d4a0dc720a237951c
44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5
d6514eed7fd7242c429612acedbc29e049b489dbaeabf6ebfc78b3526f267013
SH256 hash:
e05de55a82b8ec2433098359adb2fb4d376e122d038b82406dbdc94adff69ca9
MD5 hash:
507c5c43c59f3406b3214b3daf250ead
SHA1 hash:
3e15bef5bed4b60816aabb19d545ad6037ebeff6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/af763211-ab70-4246-aec8-5d2fc2bac733/
SH256 hash:
44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5
MD5 hash:
addfdd840421c337c896bb38f139777c
SHA1 hash:
4c2620b7380e961d5c2926d63cc5be47e18f160a
Detections:
SUSP_OBF_NET_ConfuserEx_Packer_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/af763211-ab70-4246-aec8-5d2fc2bac733/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44d184f1ca1a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/44d184f1ca1ad12f5fd6063df28aa5e30627c7b9d138f54ba6bbd4c896fa14c5

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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

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 (GUARD_CF)high

Comments