MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 760d9ff24fa09df7e0ac02e7bd6f8715988043bafff70279b950c2d599be04ca. 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 3 File information Comments 1
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SHA256 hash: 760d9ff24fa09df7e0ac02e7bd6f8715988043bafff70279b950c2d599be04ca
SHA3-384 hash: 41a57941341b76cb5a45bcbf1717ac8203ef32bd76c2fc9008ef71c48e714028190596965c34b47dad862385eb7b0c7f
SHA1 hash: ddb2360fd9afb687bb2b6f37cf9074d6f03352e0
MD5 hash: 9c38b509da7dc648e86ced26c86e38e4
humanhash: moon-utah-montana-blossom
File name:9c38b509da7dc648e86ced26c86e38e4
Download: download sample
Signature Formbook
Create hunting rule
File size:541'184 bytes
First seen:2022-04-15 08:17:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:yqG4zhugmP8wBX99I8dCcYb6coFWX5n1ZwhY+CkKKuPxRLjR339jhacf+6:yqTzh+nKZZBwa
TLSH T1C0B48C9D722072EFC867C4729EA82CA8EA64787B470F4513902715EDEE5D89BCF540F2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
New Purchase Order Request.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-15 07:06:39 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/118a844e-efa6-419d-8c2c-1fdaa808dd4e

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/263961/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62592a3dffe27d5119d815ba/reports/0375a598-bbe9-4347-b95d-86fb6e3910e1/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2da89f6f-0373-4de0-acd4-08f2d9c04629
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/977348
Signature
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609835 Sample: Sj6p3HoLbv Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 33 www.contractor-mart.com 2->33 35 www.aiyouzou.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 11 other signatures 2->49 9 Sj6p3HoLbv.exe 6 2->9         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\VYlhwuOAjPm.exe, PE32 9->27 dropped 29 C:\Users\user\AppData\Local\...\tmp38D0.tmp, XML 9->29 dropped 31 C:\Users\user\AppData\...\Sj6p3HoLbv.exe.log, ASCII 9->31 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 9->59 61 Tries to detect virtualization through RDTSC time measurements 9->61 63 Injects a PE file into a foreign processes 9->63 13 Sj6p3HoLbv.exe 9->13         started        16 schtasks.exe 1 9->16         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 13->65 67 Maps a DLL or memory area into another process 13->67 69 Sample uses process hollowing technique 13->69 71 Queues an APC in another process (thread injection) 13->71 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process9 dnsIp10 37 www.adhpi.com 154.38.201.44, 49794, 80 COGENT-174US United States 18->37 39 www.solacticguardians.com 104.21.94.230, 49823, 80 CLOUDFLARENETUS United States 18->39 41 5 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 24 mstsc.exe 18->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/760d9ff24fa09df7e0ac02e7bd6f8715988043bafff70279b950c2d599be04ca/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-04-15 08:18:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:goe8 loader rat
Link:
https://tria.ge/reports/220415-j69vfsgaa6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
44eeb96d846d92972d9f77f204a03626352e3a42c358af2393c8a00d048ccde0
MD5 hash:
acef47d03897ca07a97d5a08cd3c8f1a
SHA1 hash:
ac32b00bdab6dfff1e6a27a8c5418c0ef6b0cd73
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8b5e4226-9438-4895-b4d7-7c7ff96adbd7/
Parent samples :
760d9ff24fa09df7e0ac02e7bd6f8715988043bafff70279b950c2d599be04ca
215ca89a5e16fa806b6a9193ef6958f2741f9a022571703a278a6ebe23372539
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/8b5e4226-9438-4895-b4d7-7c7ff96adbd7/
SH256 hash:
2cb832d021d1716c423e767803bd891c93c7523bf626fa1b45d14dc3e3dcb444
MD5 hash:
d382e62da916a9615beafdeacef76b34
SHA1 hash:
0712648dd281eefe6dee352a911b1a57ea5b0514
Link:
https://www.unpac.me/results/8b5e4226-9438-4895-b4d7-7c7ff96adbd7/
SH256 hash:
760d9ff24fa09df7e0ac02e7bd6f8715988043bafff70279b950c2d599be04ca
MD5 hash:
9c38b509da7dc648e86ced26c86e38e4
SHA1 hash:
ddb2360fd9afb687bb2b6f37cf9074d6f03352e0
Link:
https://www.unpac.me/results/8b5e4226-9438-4895-b4d7-7c7ff96adbd7/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/760d9ff24fa0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/760d9ff24fa09df7e0ac02e7bd6f8715988043bafff70279b950c2d599be04ca

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
Rule name:t0_1
Create hunting rule

File information

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

Web download

Formbook

Executable exe 760d9ff24fa09df7e0ac02e7bd6f8715988043bafff70279b950c2d599be04ca

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2149015/
Cape
Cape
https://www.capesandbox.com/analysis/263961/

Comments


Avatar
zbet commented on 2022-04-15 08:17:50 UTC

url : hxxp://103.125.190.201/datasaver/csrss.exe