MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8. 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
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SHA256 hash: 19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8
SHA3-384 hash: 819a0c18ebe1962de14ef71b3f9cf3d57393d37c0917ed49f9aa7ab161cc750ee69f21339a4bf06602a7f567465f368e
SHA1 hash: a367485284f0f3399f6f3f8a8649ff27d72271be
MD5 hash: 2ea57e03a2e9da369e190a028d159045
humanhash: zebra-eighteen-stairway-zebra
File name:Doc_11082021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'479'680 bytes
First seen:2021-08-12 10:06:44 UTC
Last seen:2021-08-12 10:10:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:tggDThVH+3nPxT6f5MBzhfyUTAXVNT2fXdvO9:ugR1+3nPF6m3fulNT2/
Threatray 7'696 similar samples on MalwareBazaar
TLSH T1FD65E63D29BA2627D07AC375CBE59827F4509CAF3151BD94A4CA73660372B5239C323E
dhash icon e4b8b878fcdcf9f0 (9 x Formbook, 5 x AgentTesla, 4 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Doc_11082021.exe
Verdict:
Malicious activity
Analysis date:
2021-08-12 10:07:29 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/5d2f1caf-4534-4f42-af29-5135e8c61bf3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/178562/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.995-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e898a529-2832-421e-a79e-04fd49d64778
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/831634
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 464064 Sample: Doc_11082021.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 Doc_11082021.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Doc_11082021.exe.log, ASCII 10->28 dropped 52 Writes to foreign memory regions 10->52 54 Allocates memory in foreign processes 10->54 56 Injects a PE file into a foreign processes 10->56 14 RegSvcs.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 2 other signatures 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 yfb.yfbcname.com 103.140.68.2, 49733, 80 TIANXINGROUP-AS-APTianxinGroupCoLimitedHK Hong Kong 17->30 32 www.londonsashwindowsservices.com 217.160.0.47, 49734, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->32 34 14 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-08-12 08:03:55 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dg3if5eyhaz3j43hbirhmoqgzlluoydw5km2naaopw6iomsdd7ma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
08893f139b09f2dc17635f17baf1f34d2fdf730ea44a41ba54b914ffc024f0c9
Formbook
17d07aff0e5f1f4ef44afbd6d7e78c9e235d40f909019429ec8b1253c7a89f41
Formbook
739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355
Formbook
74c7003daae4332200908731127b6a5252417bcb89ed610532bf577d503c7465
Formbook
86b93054415c6e4c21fd68ad13fcdbbd9a300c275dfe4f768ffd2fdf42db4694
Formbook
afc581586580ee675ab9b0cfef4e508b9decebe330dc6a7334534d34fb7d6a2e
Formbook
cd29b07e8df4c895797573022551be1e7f2ba6521d19dc692c42065cb0c2646b
Formbook
+ 7'686 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uecu loader rat suricata
Link:
https://tria.ge/reports/210812-dw9bfax8hs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.illoftapartments.com/uecu/
Unpacked files
SH256 hash:
2de6939257996ad34dbb3c2fda787e831a02985427b2d3433f2ccc2e69f387e2
MD5 hash:
1cc5cc3b29e823de48dbbaf8a170ad7d
SHA1 hash:
fdbf257811d9bda46f950d3c9b139b6b295ab5a8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/38c94a53-08f8-421b-8204-4af3e44401df/
Parent samples :
cb8f5442f14a863b07396882d324759dd7addea4cf5142e9dd296a47b3fc2df5
17d07aff0e5f1f4ef44afbd6d7e78c9e235d40f909019429ec8b1253c7a89f41
86b93054415c6e4c21fd68ad13fcdbbd9a300c275dfe4f768ffd2fdf42db4694
739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355
08893f139b09f2dc17635f17baf1f34d2fdf730ea44a41ba54b914ffc024f0c9
afc581586580ee675ab9b0cfef4e508b9decebe330dc6a7334534d34fb7d6a2e
12d89c6e8e3ef2ec6ae4fda7dce291a2418a51daa9eba44a583ced847c9e4e42
c8ff043caee4e9cc889d1b7f8149e5c59ec43d2d01edeb49cb40fe1fd09a233a
cd29b07e8df4c895797573022551be1e7f2ba6521d19dc692c42065cb0c2646b
74c7003daae4332200908731127b6a5252417bcb89ed610532bf577d503c7465
4685c8e4c8836d97c08ac60084f1ad2a12e0abed103c9a7048e3c36b40e8ed6d
1ad6352350f0b871f3757d1994aa42fee726cdca78834f743f09e8a15bfc3dd1
e5ffe75fc564d7a8aaabd188868910ddfc90cf64862f1af80a56c306e9b2e762
19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8
SH256 hash:
3bf908cb1e554c7aacb905bdeb05d0be4339588404b459ab6c68b58db3f565d1
MD5 hash:
dcf21b35bb4f5b951da590ff331e4fd7
SHA1 hash:
caf05cace0dcb6165fc311496e444c2ae3d029a8
Link:
https://www.unpac.me/results/38c94a53-08f8-421b-8204-4af3e44401df/
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/38c94a53-08f8-421b-8204-4af3e44401df/
SH256 hash:
19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8
MD5 hash:
2ea57e03a2e9da369e190a028d159045
SHA1 hash:
a367485284f0f3399f6f3f8a8649ff27d72271be
Link:
https://www.unpac.me/results/38c94a53-08f8-421b-8204-4af3e44401df/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/19b682f49838/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8

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
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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 19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178562/

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