MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4660dc60d2c89e03d1b681b3842086b00bb6ad05e8ad6b75f7f4541c5a721be1. 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 5 File information Comments
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SHA256 hash: 4660dc60d2c89e03d1b681b3842086b00bb6ad05e8ad6b75f7f4541c5a721be1
SHA3-384 hash: 9a773658fd8d0065bf960f7fe60e2de6735343f7a7814aff5b9e5f44b68b1549abaa0bab7872c978044778048c5f8034
SHA1 hash: 7862a0c38c6dc0a913843679466aafdf63425430
MD5 hash: 4f97aa62f2220778731f917a241ebeaa
humanhash: butter-sink-foxtrot-network
File name:DHL_29028263 documento de recepción de la compra.exe
Download: download sample
Signature Formbook
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File size:425'282 bytes
First seen:2022-11-18 22:41:12 UTC
Last seen:2022-11-19 00:51:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:pEa0PczZ4H09sqbntElwnQtOWncbERuzyu/cP6dcwm1o7egalFRgy:Y89ClabWngcPCpPigoQy
TLSH T1E494E03221B1EF16E90F7935C86382F98267ED22DD0543CF3A84BE9A743A690F535583
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 232b515173695d41 (14 x Formbook, 14 x AgentTesla, 6 x NanoCore)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
DHL_29028263 documento de recepción de la compra.exe
Verdict:
Malicious activity
Analysis date:
2022-11-18 22:44:28 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5e6aebf6-9849-444e-b5d2-bc36efd3b17f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/335899/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.6.8548.13199.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Сreating synchronization primitives
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63780a3b4dc24c6f80b86e9c/reports/635e39fa-6a15-46ee-ba7a-0725ae5d1f53/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b2e678cd-1c7a-4806-94d5-c6650e863bb2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116875
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 749583 Sample: DHL_29028263 documento de r... Startdate: 19/11/2022 Architecture: WINDOWS Score: 100 28 www.lokliau.net 2->28 30 lokliau.net 2->30 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 6 other signatures 2->52 10 DHL_29028263 documento de recepci#U00f3n de la compra.exe 18 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\oszwitg.exe, PE32 10->26 dropped 13 oszwitg.exe 10->13         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 13->66 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->68 70 Maps a DLL or memory area into another process 13->70 16 oszwitg.exe 13->16         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 19 explorer.exe 16->19 injected process10 dnsIp11 32 www.hslapple.com 43.154.19.192, 49699, 80 LILLY-ASUS Japan 19->32 34 www.845745435.xyz 163.53.216.106, 49703, 49704, 49705 FTG-AS-APForewinTelecomGroupLimitedISPatHK Hong Kong 19->34 36 3 other IPs or domains 19->36 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Performs DNS queries to domains with low reputation 19->56 23 systray.exe 13 19->23         started        signatures12 process13 signatures14 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4660dc60d2c89e03d1b681b3842086b00bb6ad05e8ad6b75f7f4541c5a721be1/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-18 22:42:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=izqnyygszcpahunwqgzyiiegwaf3nlif5cwww5px6rkbywtsdpqq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:uird rat spyware stealer trojan
Link:
https://tria.ge/reports/221118-2mqatabd54/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/128c6fce-29f2-4d2a-adec-d55b5de8de0d
Unpacked files
SH256 hash:
346fb516592f4283238b7516b0cba41c1442107d4ad489779e63d52e364f6043
MD5 hash:
11a42b7ab6435d0cc9b9f62c945e2c4c
SHA1 hash:
779aacf80e65e25c6c50cc888144bffdf4ce37ec
Detections:
XLoader
Create hunting rule
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/6eb51ae6-e291-497e-8962-43434e34478b/
SH256 hash:
d7e687aeda30c09a192408df2a4e28050fe255dc41265ac33473501576244ee2
MD5 hash:
a982eb13c32a1fe3b71850488b7101fd
SHA1 hash:
93db8b94145b726da8262d1d51f60ecb8c465906
Link:
https://www.unpac.me/results/6eb51ae6-e291-497e-8962-43434e34478b/
SH256 hash:
03deddacb576a5057ff443efbdf40fb6ead704d2c47570fbfe7f260279f1a524
MD5 hash:
bf36507d88d3c3bf873372e2f2434791
SHA1 hash:
424738da1b583e461e89846008bab4964aba2d92
Link:
https://www.unpac.me/results/6eb51ae6-e291-497e-8962-43434e34478b/
SH256 hash:
4660dc60d2c89e03d1b681b3842086b00bb6ad05e8ad6b75f7f4541c5a721be1
MD5 hash:
4f97aa62f2220778731f917a241ebeaa
SHA1 hash:
7862a0c38c6dc0a913843679466aafdf63425430
Link:
https://www.unpac.me/results/6eb51ae6-e291-497e-8962-43434e34478b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4660dc60d2c8/report/overview.html
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 4660dc60d2c89e03d1b681b3842086b00bb6ad05e8ad6b75f7f4541c5a721be1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335899/

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