MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad3a88b9bfc7620d83535e96ba20b5bfa805d6e1fb5d8086a75c5f8f3e198b6c. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ad3a88b9bfc7620d83535e96ba20b5bfa805d6e1fb5d8086a75c5f8f3e198b6c
SHA3-384 hash: ff0a809996989102748e3ed93e6057360aafd70fc560ac7e64d210fc42df4463415f6e020bd9a40a99560a0950d54404
SHA1 hash: e22213bd4629fbdf963afb87b74d69cef08148f7
MD5 hash: fae2478fe97d52d83a21c91e6148ed78
humanhash: pluto-mexico-edward-venus
File name:fae2478fe97d52d83a21c91e6148ed78
Download: download sample
Signature Formbook
Create hunting rule
File size:439'296 bytes
First seen:2021-11-16 09:30:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:iC6T47g/y9trDn0OH9p/w9l/vW2eY5cHQwwlLpJQwZlLJS+Zh7x4gctr:iCd7g/y9tD009p0MScwZNpJQwvJHzqX
Threatray 11'718 similar samples on MalwareBazaar
TLSH T17C94023923B4D797CA6E477EA47680B203F4F96D2862DB6D5F8021DF7A367001624E63
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/206278/
Detection(s):
Win.Packed.Msilzilla-9907447-0
Create hunting rule

Win.Packed.Msilzilla-9907552-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit formbook obfuscated packed
Link:
https://www.filescan.io/uploads/61937a5843e8f62b66951683/reports/aa2eac3e-e478-4025-8b2d-09ed308f953f/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/cec113b5-df0f-4235-8042-5df4a67e2b42
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/890256
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
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: 522729 Sample: LjqCr7g3bU Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 35 www.toyotabacninhcn.com 2->35 37 www.princessdogcloset.com 2->37 39 2 other IPs or domains 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 7 other signatures 2->53 11 LjqCr7g3bU.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\LjqCr7g3bU.exe.log, ASCII 11->33 dropped 67 Tries to detect virtualization through RDTSC time measurements 11->67 69 Injects a PE file into a foreign processes 11->69 15 LjqCr7g3bU.exe 11->15         started        18 LjqCr7g3bU.exe 11->18         started        20 LjqCr7g3bU.exe 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 15->22 injected process9 dnsIp10 41 td-balancer-db4-63-96.wixdns.net 185.230.63.96, 49820, 80 WIX_COMIL Israel 22->41 43 www.autisticadhdcoach.com 199.34.228.159, 49792, 80 WEEBLYUS United States 22->43 45 13 other IPs or domains 22->45 55 System process connects to network (likely due to code injection or exploit) 22->55 57 Performs DNS queries to domains with low reputation 22->57 26 explorer.exe 22->26         started        signatures11 process12 signatures13 59 Self deletion via cmd delete 26->59 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ad3a88b9bfc7620d83535e96ba20b5bfa805d6e1fb5d8086a75c5f8f3e198b6c/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-11-10 07:08:07 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vu5iron7y5ra3a2tl2lluifvx6ualvxb7noybbvhlrpy6pqzrnwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
014d0ece0d472eaea73698d634308303ddb9f227f39d339a66416c3cb744d2c1
Formbook
1bbc8a34b7590c1593c5a79a8d0f93b17a162f44893c37aa11e4cb9e0e2d96bf
Formbook
40da3a76d7dfbe395b879dc9b090af73483617c65c7c433975490c0a22e4a71a
Formbook
67e2366e87044cbdeefa32770db63e9592c7e637d4c62c678f894eeba419bd26
Formbook
84236953e6059c7733ecd777604a225ee85dc96740a46aac1379d13b3d57630d
Formbook
b4fc77c70794670f21a4c4fbc3b608589cef7b9d98acadf9b0a956404f6ca0be
Formbook
d9cee5cc1ff9b14e0c1604dfded72f085e39b1983c41b595660a60bfaab942b9
Formbook
eb4f57c9488afdfcae998056c4854f63c921e45d077c4a53fc6d927463ea5267
Formbook
+ 11'708 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ns87 loader rat
Link:
https://tria.ge/reports/211116-lg2tnadbc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rubberyslouka.xyz/ns87/
Unpacked files
SH256 hash:
65cf298fe4962168dd53f95cb2abf0134681917339355b0706994abedc7f3efa
MD5 hash:
e70fe2af23fe5459484716825c99848e
SHA1 hash:
91d70dd9f9532ccf11b4aa29a057d6378d67f494
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e6146c7-6f15-4c41-bb6b-1c410e9c1903/
Parent samples :
ad3a88b9bfc7620d83535e96ba20b5bfa805d6e1fb5d8086a75c5f8f3e198b6c
6081195c36bebc5f4d29d4c3d4f8d76f2223b4fc220a7087fb078f5f57ceae75
96c1fb2e2f6c0a3a183caa1e28e687301957b892eeee41e8c8334c2ef903073d
55f1ae1de8b42e18d3a58fe05fcfa9abe7f6b65e49d44cf136af53c250111cb6
45de0a47d8bee8de67d818ea239f0f9c934c3299be3c3faefacb9e1e4800078c
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/3e6146c7-6f15-4c41-bb6b-1c410e9c1903/
SH256 hash:
eeb6fae1db3d023520006884012fd71bd6f470d620cdaf8b232366d8761cc7a8
MD5 hash:
6a76d31334967c2d79f89fd49da56a38
SHA1 hash:
9d3f6d4c9b17913197d4d40b25fd89179a80bed7
Link:
https://www.unpac.me/results/3e6146c7-6f15-4c41-bb6b-1c410e9c1903/
SH256 hash:
ad3a88b9bfc7620d83535e96ba20b5bfa805d6e1fb5d8086a75c5f8f3e198b6c
MD5 hash:
fae2478fe97d52d83a21c91e6148ed78
SHA1 hash:
e22213bd4629fbdf963afb87b74d69cef08148f7
Link:
https://www.unpac.me/results/3e6146c7-6f15-4c41-bb6b-1c410e9c1903/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/ad3a88b9bfc7620d83535e96ba20b5bfa805d6e1fb5d8086a75c5f8f3e198b6c

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 ad3a88b9bfc7620d83535e96ba20b5bfa805d6e1fb5d8086a75c5f8f3e198b6c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1792274/
Cape
Cape
https://www.capesandbox.com/analysis/206278/

Comments


Avatar
zbet commented on 2021-11-16 09:30:16 UTC

url : hxxp://103.170.255.140/1113/vbc.exe