MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a
SHA3-384 hash: 41bda7e0b666cd2128176220833aa717ee006c22f8d294a8cd98d4f7a0f0ef76dc58cdb1b50ce0f9db6e9ce5fae83c60
SHA1 hash: f88c6cf0e37bce13bf8317f86bbd3640d6badd4d
MD5 hash: c4839f9e9d80100927eb39678175bbe6
humanhash: foxtrot-echo-kansas-pip
File name:c4839f9e9d80100927eb39678175bbe6
Download: download sample
Signature Formbook
Create hunting rule
File size:835'584 bytes
First seen:2021-11-17 15:19:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:n/BtOdhCcfZ/2Yp4IIdfoxcDpL3v6qWoMLIgpYS2zG9+aw9cNq0p2W:OGk/2Yp4IINoQpL3v1WXLdpYjZqN
Threatray 11'288 similar samples on MalwareBazaar
TLSH T16F05F11537B45F13D5BE87F4822A914003F67669626BEB0E6CC371DF3EA2B418786A07
File icon (PE):PE icon
dhash icon c8c4e2f934dc2e16 (10 x Loki, 6 x Formbook, 6 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a468dfc81a56cc61da4831525f4185d374dfa4921e86125129e6b3afe8a90ebe.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-17 14:29:16 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/4fe82814-dd90-4093-ac7c-aa5c602ecbb6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Inject4.19817.11937.1663.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61951da64912a8c920a189b3/reports/281f6c26-0b66-4124-b9d0-9bd0f9e42a9b/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/a49ebfdc-1807-4910-b888-25ce0d3f6f60
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/891336
Signature
.NET source code contains potential unpacker
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 523814 Sample: Ro45xx19mJ Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 31 www.websitessample.com 2->31 33 www.almashrabia.net 2->33 35 2 other IPs or domains 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 8 other signatures 2->49 10 Ro45xx19mJ.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Ro45xx19mJ.exe.log, ASCII 10->29 dropped 63 Tries to detect virtualization through RDTSC time measurements 10->63 65 Injects a PE file into a foreign processes 10->65 14 Ro45xx19mJ.exe 10->14         started        17 Ro45xx19mJ.exe 10->17         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 19 svchost.exe 14->19         started        22 explorer.exe 14->22 injected process9 dnsIp10 51 Self deletion via cmd delete 19->51 53 Modifies the context of a thread in another process (thread injection) 19->53 55 Maps a DLL or memory area into another process 19->55 57 Tries to detect virtualization through RDTSC time measurements 19->57 25 cmd.exe 1 19->25         started        37 www.rip-online.com 43.132.183.85, 49822, 80 LILLY-ASUS Japan 22->37 39 www.scion-go-getter.com 35.209.150.94, 49823, 80 GOOGLE-2US United States 22->39 41 6 other IPs or domains 22->41 59 System process connects to network (likely due to code injection or exploit) 22->59 61 Performs DNS queries to domains with low reputation 22->61 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-17 15:20:10 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
41de1c603509906c3ddcb2550617c980ba3dd192048a52b449e3894d94e1bad5
Formbook
92206b9fa1251b589ab6d14b4828cafe0ec9d9b44df469602b7d3d1ed16ae0e8
Formbook
99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c
Formbook
b3bc74c1f3673da08a95775af5f39dd116a249d8a7e597fcd8bb56e07ae3bcd2
Formbook
b4b82d2154aa722ebcbc554e0be9beb41d9af35b590c9e72793b6e59bc389e62
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
dafe42f172204ac9777c502bf75a2aa9d621c5bba23080815439446f10b74cab
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
+ 11'278 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mwev loader rat
Link:
https://tria.ge/reports/211117-sqrhlsabar/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.scion-go-getter.com/mwev/
Unpacked files
SH256 hash:
0c11575232a84acd1d6d0b4fe8f9b6009cbaca05245212d909225604ea98c951
MD5 hash:
5601213aece87a7070bd0a1a420b69e4
SHA1 hash:
6d3d6dfa1b04fcf41f2c685b99366a228dcd86a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/71e5c43c-11d6-47db-b6ea-f16dbcc19e3f/
Parent samples :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 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/71e5c43c-11d6-47db-b6ea-f16dbcc19e3f/
SH256 hash:
44b6579e19d7ac46c668884ea48dfb29f15dc93f9b39a1d87c5942f8ab1ca86f
MD5 hash:
410b59fcda0918828531471ea50ffbb5
SHA1 hash:
82825e9ce421d1acd3e31c90c32a2fbe1ad337d5
Link:
https://www.unpac.me/results/71e5c43c-11d6-47db-b6ea-f16dbcc19e3f/
SH256 hash:
ac26074221e7367bea86ffaabf082b58fbd57b031cee02fcd2d6fdbf9eb3a48c
MD5 hash:
5bef66e3a9a08dde3c304dabbc851472
SHA1 hash:
72c9a09c00efca88e1212ac2794792d01b2de36e
Link:
https://www.unpac.me/results/71e5c43c-11d6-47db-b6ea-f16dbcc19e3f/
SH256 hash:
945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a
MD5 hash:
c4839f9e9d80100927eb39678175bbe6
SHA1 hash:
f88c6cf0e37bce13bf8317f86bbd3640d6badd4d
Link:
https://www.unpac.me/results/71e5c43c-11d6-47db-b6ea-f16dbcc19e3f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a

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 945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1797593/
Cape
Cape
https://www.capesandbox.com/analysis/206912/

Comments


Avatar
zbet commented on 2021-11-17 15:19:15 UTC

url : hxxp://198.12.81.108/windows/vbc.exe