MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7650abf3c2d1c856f50a28c3d863893909689181f195d70277f7f1d568a6ef3. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d7650abf3c2d1c856f50a28c3d863893909689181f195d70277f7f1d568a6ef3
SHA3-384 hash: 68918505769aaf22ae7c0682538fa33ec90a8fafeb03f195d706487fdd0bf116a0f5f700415e30061eb9cf5b865992a9
SHA1 hash: 9fc3c6f97e6138abdbeaa9ccb710e98f3fd84d79
MD5 hash: 7c9a132e9b6ff7cdb41858ec6a6b8e18
humanhash: mobile-alabama-romeo-lithium
File name:UtHJjkRTJqlHRzi.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'529'344 bytes
First seen:2021-05-25 06:20:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:46UnFEbE43lXiAufh5MjUi6TQJqIMCEp3uNpCXmjhK/ouDc5Ax:FUFWE43lYfrZzQXeuKXmj6NDc5
Threatray 41 similar samples on MalwareBazaar
TLSH 2C658B2F512AF222C168C27D06D4742BED91DFF36130AD54A8D73F885638E4C799E26E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/161651/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn34.30177.17237.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/791567
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 423963 Sample: UtHJjkRTJqlHRzi.exe Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 52 www.acpqpmq.icu 2->52 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 9 other signatures 2->70 12 UtHJjkRTJqlHRzi.exe 7 2->12         started        signatures3 process4 file5 44 C:\Users\user\AppData\...\TAzDJZDsdmh.exe, PE32 12->44 dropped 46 C:\Users\...\TAzDJZDsdmh.exe:Zone.Identifier, ASCII 12->46 dropped 48 C:\Users\user\AppData\Local\...\tmp8EC1.tmp, XML 12->48 dropped 50 C:\Users\user\...\UtHJjkRTJqlHRzi.exe.log, ASCII 12->50 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 12->86 88 Writes to foreign memory regions 12->88 90 Injects a PE file into a foreign processes 12->90 16 RegSvcs.exe 6 12->16         started        20 schtasks.exe 1 12->20         started        signatures6 process7 file8 42 C:\Users\user\AppData\Roaming\suSwVklf.exe, PE32 16->42 dropped 60 Tries to detect virtualization through RDTSC time measurements 16->60 62 Injects a PE file into a foreign processes 16->62 22 RegSvcs.exe 16->22         started        25 schtasks.exe 1 16->25         started        27 conhost.exe 20->27         started        signatures9 process10 signatures11 78 Modifies the context of a thread in another process (thread injection) 22->78 80 Maps a DLL or memory area into another process 22->80 82 Sample uses process hollowing technique 22->82 84 Queues an APC in another process (thread injection) 22->84 29 explorer.exe 22->29 injected 33 conhost.exe 25->33         started        process12 dnsIp13 54 www.lifen.club 8.210.198.10, 49727, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 29->54 56 martinbrosenterprise.com 166.62.10.181, 49731, 80 AS-26496-GO-DADDY-COM-LLCUS United States 29->56 58 www.martinbrosenterprise.com 29->58 92 System process connects to network (likely due to code injection or exploit) 29->92 35 cscript.exe 29->35         started        signatures14 process15 signatures16 72 Modifies the context of a thread in another process (thread injection) 35->72 74 Maps a DLL or memory area into another process 35->74 76 Tries to detect virtualization through RDTSC time measurements 35->76 38 cmd.exe 1 35->38         started        process17 process18 40 conhost.exe 38->40         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d7650abf3c2d1c856f50a28c3d863893909689181f195d70277f7f1d568a6ef3/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-25 06:21:09 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=25sqvpz4fuoik32qukgd3brysoijnciyd4mv24bhp57r2vukn3zq._file
Verdict:
unknown
Similar samples:
1cf2c4b90a84ce31c99a4b74ed546b17b2332a868f75293f237ea0bb0a5835c4
Formbook
1d3e01fb6e4f61f482bf3bc2628b5141a896284973eaa50c35bdb929a5aa541b
Formbook
43e9194904503eb5a508cf89297b8dbfc73f79600ff6bf13c5d8e717941e2652
Formbook
4427dbd6209079235487c24f4843a10d582fe6264fae0d107091e81133a8960c
Formbook
5501a072a478f1b6c6045154d4b3e5c102c5da98041f503d80b8a2b50bb6b85b
Formbook
5ef4f1d59492644372e4de91586798adb788432987848730694be8db0f968008
Formbook
69b433882a0be8350987589222a1b677cb948d1efea4e523b878a778bad33d4a
Formbook
6d53b16faa7d57ada4a5c9a6db40d57bc992b1525f35e87dded4d9c80dc1c5d0
Formbook
b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070
Formbook
fc19eafdcfe6ae03a37ac61ee6fc5fb2c1cf57172c2754dce4aefc3c8a35c976
Formbook
+ 31 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/210525-a5nplvkaq2/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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/d7650abf3c2d1c856f50a28c3d863893909689181f195d70277f7f1d568a6ef3

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 d7650abf3c2d1c856f50a28c3d863893909689181f195d70277f7f1d568a6ef3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/161651/

Comments