MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5a3e39a2ab1ce54d1823ddfd3424c5eb94e3fa028b714d392b1f110a73ccbea. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: f5a3e39a2ab1ce54d1823ddfd3424c5eb94e3fa028b714d392b1f110a73ccbea
SHA3-384 hash: 73c83ce6696bd7ce9d9c635e4bf57511b1b67ab738c12ece57e61122b925707cbe0ef66167e37429ea146cfaf4220624
SHA1 hash: a536cadcc1f8eec19403e47940b51020e4c086b2
MD5 hash: 75da176b3d4c9df515b926ef2d83fa5e
humanhash: cup-delta-december-leopard
File name:SOLICITUD DE ACTUALIZACION DE COTIZACION.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:798'720 bytes
First seen:2022-06-06 11:14:36 UTC
Last seen:2022-06-06 12:04:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Ggpvdef0OqKlm/QYoLCsl19fnEEQkv+UH5+xPIUHeP7r9r/+pppppppppppppppv:Gg/gqKSQYo/RnNQkv+k56e1q/
TLSH T13505CEC5E98456A0DC68AB716A77CD3546237DBDA874A81C28DE3D2B3FFB3831022457
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SOLICITUD DE ACTUALIZACION DE COTIZACION.exe
Verdict:
Malicious activity
Analysis date:
2022-06-06 11:48:40 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e5188a2e-e766-4ffd-af5f-f077a91b1e77

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/277002/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1159.2688.14256.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/629de1e2a2b1fc9744d110cc/reports/2544c580-aefd-4407-a959-8a05d094d5fa/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/809d957c-6a19-4047-9672-180b1b95e8bf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007287
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
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)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 639785 Sample: SOLICITUD DE ACTUALIZACION ... Startdate: 06/06/2022 Architecture: WINDOWS Score: 100 41 www.arisenmuhendislik.com 2->41 43 www.magiaphotoshop.com 2->43 45 www.8282gao3.com 2->45 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 9 other signatures 2->57 11 SOLICITUD DE ACTUALIZACION DE COTIZACION.exe 1 2->11         started        signatures3 process4 file5 33 SOLICITUD DE ACTUA... COTIZACION.exe.log, ASCII 11->33 dropped 14 SOLICITUD DE ACTUALIZACION DE COTIZACION.exe 11->14         started        process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 Queues an APC in another process (thread injection) 14->75 17 explorer.exe 3 14->17 injected process8 dnsIp9 35 aeternasa.com 162.241.225.213, 49798, 80 UNIFIEDLAYER-AS-1US United States 17->35 37 www.dafa123bet.com 188.114.97.3, 49801, 80 CLOUDFLARENETUS European Union 17->37 39 2 other IPs or domains 17->39 47 System process connects to network (likely due to code injection or exploit) 17->47 49 Uses ipconfig to lookup or modify the Windows network settings 17->49 21 ipconfig.exe 1 12 17->21         started        signatures10 process11 signatures12 59 Creates an undocumented autostart registry key 21->59 61 Tries to steal Mail credentials (via file / registry access) 21->61 63 Self deletion via cmd or bat file 21->63 65 4 other signatures 21->65 24 cmd.exe 2 21->24         started        27 cmd.exe 1 21->27         started        process13 signatures14 67 Tries to harvest and steal browser information (history, passwords, etc) 24->67 29 conhost.exe 24->29         started        31 conhost.exe 27->31         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5a3e39a2ab1ce54d1823ddfd3424c5eb94e3fa028b714d392b1f110a73ccbea/
Threat name:
ByteCode-MSIL.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2022-06-02 17:06:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wr6hgrkwhhfjumchxp5gqsml24u4p5afc3rju4swhyrbjz4zpva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:crqp loader persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/220606-nclmzscacr/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
cf137713508b945d1e668a4feced421cbda1ec200e652f285d9ac202f13aba5d
MD5 hash:
f8d5fa7b140d3ea7624b6f23d5fe8578
SHA1 hash:
7b91f16659f8b4acf53f2e3a61fed48dc4f0de19
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/546d44a6-75e5-4c28-ad4b-d74765338e60/
Parent samples :
075f41c576c8e20d1ec1981a5e4197d514030c69dd653dfc2b94edf5088a0671
d72b89df9ad783312082606f3ae30d1c53927681d71197becfe2f89e432f5ba2
f5a3e39a2ab1ce54d1823ddfd3424c5eb94e3fa028b714d392b1f110a73ccbea
502fcc3cf22524e88b70a44b6bb1db0c90b948d4324a07f8c79a2c1d3a70d404
4fb50209a274456e05b6c1ae9a8ed80af87616e8763816c8fc413880f274fc5e
SH256 hash:
6bcf38be5a7b253a66b6daf14e10e7015ec23b4fc3dabec6dfdb930424785c93
MD5 hash:
e9ecd472343221273b24e69a4873f1bb
SHA1 hash:
6d6894da22a86955cd5d8c291cdcb5d33381886b
Link:
https://www.unpac.me/results/546d44a6-75e5-4c28-ad4b-d74765338e60/
SH256 hash:
8e05fe7043d1d048cf8f489094157a5360ebbbc3d399aa8842e3e8f00f11c0dc
MD5 hash:
4f659d5119161b3ea9a01d2368dcd7d2
SHA1 hash:
523f55229d7dd0ac609c6c5583b7f3830f1fd970
Link:
https://www.unpac.me/results/546d44a6-75e5-4c28-ad4b-d74765338e60/
SH256 hash:
f83ad4fc8d9bc52e97c1bd43724f56b06a3ecea2d162a633a1d484f0b99eca49
MD5 hash:
8a9b8ea72b8cefb4eebb1d1fe8e4fc57
SHA1 hash:
009b81de36459eab866309484e092d4708d20c82
Link:
https://www.unpac.me/results/546d44a6-75e5-4c28-ad4b-d74765338e60/
SH256 hash:
f5a3e39a2ab1ce54d1823ddfd3424c5eb94e3fa028b714d392b1f110a73ccbea
MD5 hash:
75da176b3d4c9df515b926ef2d83fa5e
SHA1 hash:
a536cadcc1f8eec19403e47940b51020e4c086b2
Link:
https://www.unpac.me/results/546d44a6-75e5-4c28-ad4b-d74765338e60/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f5a3e39a2ab1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f5a3e39a2ab1ce54d1823ddfd3424c5eb94e3fa028b714d392b1f110a73ccbea

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: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 f5a3e39a2ab1ce54d1823ddfd3424c5eb94e3fa028b714d392b1f110a73ccbea

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277002/

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