MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525. 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: 15


Intelligence 15 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525
SHA3-384 hash: a85b35307ed4c6cbe834431fbe7cb4def80577de1b5d0925463ba3ea7efe7ae4dd277c7c4177e87420176abde49741f9
SHA1 hash: d54c798cce0550f961d7c304a59307d9cdc0bb07
MD5 hash: b6dc3629d33521803f02ad0845444e58
humanhash: fanta-twelve-kitten-undress
File name:Payment Details_$98,000.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:305'754 bytes
First seen:2022-01-18 03:19:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owiKG3ZJB1TfrSLaSBWyP9SlDg/A+MrVglfgIi2f71315G5MpW:eKaNrevBWyPUlDoZPt1WsW
Threatray 12'996 similar samples on MalwareBazaar
TLSH T1D05412AF25D69EE3E942C47099778A59F3F39349472A0F2F0B61EEB719771439301282
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Details_$98,000.exe
Verdict:
Malicious activity
Analysis date:
2022-01-18 03:22:43 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/4a6a149a-9395-4b67-840d-327d7e732fc6

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/220024/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe expand.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/61e631e6f81da814af8afc44/reports/742d8659-7bd1-4be2-ac1f-c78cc822456a/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/b24b1d9d-0dec-4443-a396-2cf957b1b4c0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/922144
Signature
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 554622 Sample: Payment Details_$98,000.exe Startdate: 18/01/2022 Architecture: WINDOWS Score: 100 31 www.thebestgpstracker.com 2->31 33 thebestgpstracker.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 Payment Details_$98,000.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\ynsar.dll, PE32 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Payment Details_$98,000.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 365yz.365-yz.com 185.216.251.30, 49785, 80 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Netherlands 18->35 37 icetherapy.net 45.84.120.170, 49784, 80 SAYFANETTR Georgia 18->37 39 18 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 raserver.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-18 03:20:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ig5klswy7m7mxkuxcfsccbbluqnaesbdmohjw5qiywwc4krtsusq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3006eeb75181a2fa43620dc3afde267f2d94d8578dba08906be1ee21e832ae27
Formbook
5ec2107b1399b50f3ed23e72228f1a74ab9898191a23431c8a4cbff7b73af998
Formbook
73bd80a020bfe9f24dcaff57cd3781d85f20f66ab8d6398263b6a94914ce6319
Formbook
82dd41529ae86f25911df1f4b3b032008b7bc7af33b47c5367863bde1291a410
Formbook
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d
Formbook
a2067ce6f40be6dee1fa10c0155582a43e4b4d5b4bfe1fcf7f239332534b7109
Formbook
b6766af1afb815c61741089760278a15e9089ae7b14a3537faa4ca6e4ebfdffc
Formbook
bb8e1d48225b002a4da7d0c33051e7fc457e244ed610f536b87702439d978a46
Formbook
bbbb4573dc583a2870aad1d30b310e6e61dae23c5652ae30207a392209d9dd6d
Formbook
f89bda22f77706b290e5f56032cd4c884f8da016a379f6c6a978acf4983f0175
Formbook
+ 12'986 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:u6vb loader rat suricata
Link:
https://tria.ge/reports/220118-dvsh5sgdhj/
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b0d45e0fccc6a3fb1fae8472ce0e12a4249b195e5d88ba929b6343724c1d21f1
MD5 hash:
df64038f0057d521bebdc5ff040fe166
SHA1 hash:
82e6250ca82a11005c315f10baed6f10a5b4a436
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c38d66a2-3e74-4ae5-a447-b37b2a708701/
Parent samples :
41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525
4347405657fb7bd0556c371bc24640368f52d97791e07f14c79f324a1436d925
adbb0a2d948271b626589d5e305bdda36bad62e00b58847d0a7dae3688d5c376
9f35e751b58fdca3b7156eba1bf2a56c88d3d5ce5e35de6b2797e6c8ba6ec0d8
7bc209b35e0f0838c03f3a67be9e3f362a440ad2c8a3434dd52c4a16c4a72135
aa067750ad705a1b6176cb6f3f91466c9d5c2ee4457c2466b995bef70c04b240
SH256 hash:
568f729ea815b022379c5c477f5f59054361f8cc6769448dd3cc7504d7807b16
MD5 hash:
7561e9b3189e8e0530b45622823318e0
SHA1 hash:
530eadfb5dbdf169b6a6f6a958f19ff09860ee0d
Link:
https://www.unpac.me/results/c38d66a2-3e74-4ae5-a447-b37b2a708701/
SH256 hash:
41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525
MD5 hash:
b6dc3629d33521803f02ad0845444e58
SHA1 hash:
d54c798cce0550f961d7c304a59307d9cdc0bb07
Link:
https://www.unpac.me/results/c38d66a2-3e74-4ae5-a447-b37b2a708701/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/41baa5cad8fb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525

File information

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

Malspam

Formbook

Executable exe 41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220024/

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