MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899
SHA3-384 hash: 4f945388a5a2d04f4c5506aee8dc98bb373587814201985215f43d626b19df3fc41bce362a0a410169521c3ae0924fd6
SHA1 hash: 35edc921398ba4d5689e5bcced856c0f2d561c70
MD5 hash: cc0a03d130918f8d5c8d6b46833967b1
humanhash: ten-magazine-juliet-double
File name:pago.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:602'112 bytes
First seen:2024-09-14 02:33:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:2aTdEMYimT/D37YF6oRZyWwJAA9X8gnd7/OKImE3hoTSO3XHL:CMo30pZxwJAA9X8Y/ohoTx37
TLSH T1D3D401B87778DA99D5E14BB80431D2764B3A7E4DF120D34A9FEA9CE778197012D00BA3
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
Reporter Clisec
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
411
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
pago.zip
Verdict:
Malicious activity
Analysis date:
2024-09-13 22:54:26 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/b7fa143d-66b3-4fb7-ac2a-93efbcb33c96

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3057.24749.1624.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e4f61b2ebf76853bd5bad4
Tags:
Execution Generic Network Static Stealth Kryptik
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899
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/02b40825-1d5f-4cb3-8d0e-fa4fb609db4c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1511169
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1511169 Sample: pago.exe Startdate: 14/09/2024 Architecture: WINDOWS Score: 100 42 www.earing-clinic-support.xyz 2->42 44 www.z9zs2.shop 2->44 46 11 other IPs or domains 2->46 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 58 8 other signatures 2->58 11 pago.exe 4 2->11         started        signatures3 56 Performs DNS queries to domains with low reputation 42->56 process4 file5 40 C:\Users\user\AppData\Local\...\pago.exe.log, ASCII 11->40 dropped 60 Adds a directory exclusion to Windows Defender 11->60 62 Tries to detect virtualization through RDTSC time measurements 11->62 64 Injects a PE file into a foreign processes 11->64 66 Switches to a custom stack to bypass stack traces 11->66 15 pago.exe 11->15         started        18 powershell.exe 23 11->18         started        20 pago.exe 11->20         started        signatures6 process7 signatures8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 84 2 other signatures 15->84 22 explorer.exe 26 1 15->22 injected 82 Loading BitLocker PowerShell Module 18->82 24 WmiPrvSE.exe 18->24         started        26 conhost.exe 18->26         started        process9 process10 28 wlanext.exe 22->28         started        31 WerFault.exe 21 22->31         started        signatures11 68 Modifies the context of a thread in another process (thread injection) 28->68 70 Maps a DLL or memory area into another process 28->70 72 Tries to detect virtualization through RDTSC time measurements 28->72 74 Switches to a custom stack to bypass stack traces 28->74 33 explorer.exe 28->33         started        36 cmd.exe 1 28->36         started        process12 signatures13 48 Query firmware table information (likely to detect VMs) 33->48 38 conhost.exe 36->38         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-12 12:31:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dvogvhyznxb5t4xeqn2e264hf4a2s24dedhd77ognntfilfxvcmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m10i discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240914-c2e1yssdrj/
Behaviour
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
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b8b8144-0771-4a09-b8eb-5f06ddd30c8f
Unpacked files
SH256 hash:
1114a7227f132fb8868b8d02718a4245a8c1afb2721eed0598fdc3b2050a6e83
MD5 hash:
5a4c8829135a1e62c4ccb8ff654d6955
SHA1 hash:
8cc91bee70c208c9ed0b2b2f9ad56030e9228456
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/ef7d970a-4c7d-4122-8184-3601a558fecf/
Parent samples :
47155987c94e0b921887ed3aa2278fb857781238c518fbea52224728b88b0436
1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899
0e95933b378d0fbe6e132bab051ab9a3ab4fa3332828e72a0133749c1150b79f
462338cc416f17bb48135254e384d49b87dde3f0c40e6c51a70ad7abdecfc231
bcdb8d2083ae1e7cdf5894bfcf411cdc5e39059971c545e7485544d55c391418
SH256 hash:
f8ea3796ff8bee8f1ab32b54972ed1b3d135ec91ada125257efd9e49ea2175d3
MD5 hash:
a9c44b84127d1cfe11e2b206e9a2c58f
SHA1 hash:
75cdbde020d9e59d91dad2639b62e3f6636cee50
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/ef7d970a-4c7d-4122-8184-3601a558fecf/
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
Link:
https://www.unpac.me/results/ef7d970a-4c7d-4122-8184-3601a558fecf/
SH256 hash:
1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899
MD5 hash:
cc0a03d130918f8d5c8d6b46833967b1
SHA1 hash:
35edc921398ba4d5689e5bcced856c0f2d561c70
Link:
https://www.unpac.me/results/ef7d970a-4c7d-4122-8184-3601a558fecf/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1d5c6a9f196d/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/1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899

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.

Malspam

Formbook

Executable exe 1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899

(this sample)

1f58d807c1dc6691d96359fc50f327d1

anyrun
any.run
https://app.any.run/tasks/b7fa143d-66b3-4fb7-ac2a-93efbcb33c96/#
  
Dropping
MD5 1f58d807c1dc6691d96359fc50f327d1
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments