MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ff8797cc0af7792eb3777eaa15c5458110c3f2bdb51bb61e3c6f256c44277f4. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9ff8797cc0af7792eb3777eaa15c5458110c3f2bdb51bb61e3c6f256c44277f4
SHA3-384 hash: c672f4eca77f07dcb474e1d9e3eae91ba1a74a85d587eef5b8dfedeefdc56ccb56eb68c9a716622e11fca373a8d109a1
SHA1 hash: 75df72d00fa15487a590f569a5039cd1f1feff63
MD5 hash: 14035831d9b086963a7ab5d7fef18c6a
humanhash: uranus-pizza-happy-mars
File name:14035831d9b086963a7ab5d7fef18c6a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'170'944 bytes
First seen:2021-08-20 15:02:12 UTC
Last seen:2021-08-20 17:56:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:qjgglHdo5iYDQM5qZPPIpDHOoaCZsGUyk:ggglHesEQMIZnIpDHOoaiWv
Threatray 5'207 similar samples on MalwareBazaar
TLSH T1AC45493D19B91633C4B9C375EBE49523B258985FB500EE696CDE03A7030BA8735C762E
dhash icon d0a4b4c2cac0e4f4 (9 x AgentTesla, 4 x Loki, 4 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PayeeAdvice_IN10163_Q0158315_41720.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-20 13:57:51 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/33d681b1-4ba2-4ad5-8278-3417d45cd3e6

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/180977/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.4444.20071.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f26509d1-6616-498c-86fb-931714b2e150
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836525
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 468953 Sample: 0Ol5vRsauA.exe Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 41 www.naamt.com 2->41 43 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 7 other signatures 2->57 11 0Ol5vRsauA.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\fqThjSRimFETk.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp24AE.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\0Ol5vRsauA.exe.log, ASCII 11->39 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 11->61 63 Writes to foreign memory regions 11->63 65 Allocates memory in foreign processes 11->65 67 Injects a PE file into a foreign processes 11->67 15 MSBuild.exe 11->15         started        18 MSBuild.exe 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 22 explorer.exe 15->22 injected 83 Tries to detect virtualization through RDTSC time measurements 18->83 26 conhost.exe 20->26         started        process9 dnsIp10 45 www.pcf-it.services 217.160.0.2, 49749, 80 ONEANDONE-ASBrauerstrasse48DE Germany 22->45 47 www.kitesurf-piraten.net 217.160.0.246, 49746, 80 ONEANDONE-ASBrauerstrasse48DE Germany 22->47 49 13 other IPs or domains 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 28 cmmon32.exe 22->28         started        signatures11 process12 signatures13 69 Modifies the context of a thread in another process (thread injection) 28->69 71 Maps a DLL or memory area into another process 28->71 73 Tries to detect virtualization through RDTSC time measurements 28->73 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9ff8797cc0af7792eb3777eaa15c5458110c3f2bdb51bb61e3c6f256c44277f4/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 09:32:41 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t74hs7gav53zf2zxo7vkcxculaiqypzl3ni3wypdy3zfnrcco72a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
090bc9b1aab3f3efacd0afb55b204001290e87aaf9ddd526e298877b0eb6f416
Formbook
0f91cd4c92db7272fae1a765da60d80d3ace80c956737f08d21f11676a0e2719
Formbook
669785b03c7a0279a17e6ce7decb2a7dd19953dacf9ffe033211236274b2165e
Formbook
6e9ddd1d83e526efb6a597d46f95bfa07d09f2de7b4a71f2b99573cd45c924dd
Formbook
84f6beeecfc24544df0a59c7b7f0961c44d835f95f23289dac5730decc2d4957
Formbook
8f28eb3a5a98a63955599167bc56f778544421f9e96fbb5502caa37e954db0fc
Formbook
b1a3032124a536928ee9eddfef722df3a881b4a656c76324445327420b50f1ae
Formbook
+ 5'197 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n8ba loader rat suricata
Link:
https://tria.ge/reports/210820-hrseze682a/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.narrowpathwc.com/n8ba/
Unpacked files
SH256 hash:
12ce5a2101b0519b229b2962adc3c2953380d9a3e3558299f5e3528b7aefe70e
MD5 hash:
4bde03dc69c67f7ce55d06ede2812fec
SHA1 hash:
43c0d6e477f6ee7c73311a0656632af07f1a6d1f
Link:
https://www.unpac.me/results/84dbf884-3ad0-41e2-87fb-d600d8a874ca/
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/84dbf884-3ad0-41e2-87fb-d600d8a874ca/
SH256 hash:
fe75f3ae1c25c484caf5809d380a4102be60001aef157851f4dfe2265a24de2a
MD5 hash:
ca114cf819ebb6743c22b984e72947b2
SHA1 hash:
16dec16a3dafed413cf5e93b18fcf030bb7e7007
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/84dbf884-3ad0-41e2-87fb-d600d8a874ca/
Parent samples :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 hash:
9ff8797cc0af7792eb3777eaa15c5458110c3f2bdb51bb61e3c6f256c44277f4
MD5 hash:
14035831d9b086963a7ab5d7fef18c6a
SHA1 hash:
75df72d00fa15487a590f569a5039cd1f1feff63
Link:
https://www.unpac.me/results/84dbf884-3ad0-41e2-87fb-d600d8a874ca/
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/9ff8797cc0af7792eb3777eaa15c5458110c3f2bdb51bb61e3c6f256c44277f4

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: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.

Web download

Formbook

Executable exe 9ff8797cc0af7792eb3777eaa15c5458110c3f2bdb51bb61e3c6f256c44277f4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1549256/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/180977/

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