MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e728d7a2e88ba45765fb4bbb1de4ddda1b3a402d5f31c04eddafe1962ab993c. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e728d7a2e88ba45765fb4bbb1de4ddda1b3a402d5f31c04eddafe1962ab993c
SHA3-384 hash: 79789718da4852ccd9e4093ad4736ebba966a64a8def4d54d9cfb44f480ecd373a2f55317be64156eb15dac17548b1ce
SHA1 hash: e531fdbeee32fd4250f3d582b06aa03afc01a17e
MD5 hash: e4c892aef5cc8a224af323c3ad222a50
humanhash: potato-tango-mike-romeo
File name:e4c892aef5cc8a224af323c3ad222a50
Download: download sample
Signature Formbook
Create hunting rule
File size:835'584 bytes
First seen:2022-01-25 10:29:11 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:MgnRRiRwDDd1ahqCa50uvhoCZ+On/JGCOCpTTwuN0VgexO1e6j3:MkRRiKlC80nChBGCLp4GNyO1eG
Threatray 10'408 similar samples on MalwareBazaar
TLSH T1B605F1373799C931C629037940DFC11843B979469A23E74A7EC937DE0E227921E8A5BF
File icon (PE):PE icon
dhash icon 136d455d6d4d550b (25 x AgentTesla, 9 x Formbook, 5 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV 18905A01242022.xlsx
Verdict:
Malicious activity
Analysis date:
2022-01-25 09:48:08 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/45c9f69d-786e-43b2-894d-3e25da0d5d7b

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/222351/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/61efd12d0f8c757253e66fa9/reports/15bbdd7c-51af-4afe-9eca-e6451ff56a2d/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5150b93c-275d-47c9-b548-b5b73c7a8e0c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/926992
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
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: 559469 Sample: JzoN41NWRF Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 31 www.roadstown.com 2->31 33 www.iss-sa.com 2->33 35 7 other IPs or domains 2->35 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 7 other signatures 2->51 11 JzoN41NWRF.exe 3 2->11         started        15 explorer.exe 124 2->15         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\JzoN41NWRF.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 17 JzoN41NWRF.exe 11->17         started        signatures6 process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process9 process10 22 control.exe 20->22         started        signatures11 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6e728d7a2e88ba45765fb4bbb1de4ddda1b3a402d5f31c04eddafe1962ab993c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 04:37:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07bed83b3f7c13154a148f82ceac3fe9f68a7995ed5a939e91427e611bfaa863
Formbook
0be58a33d1ccbb74ef24592d2d16009bd56638aef6c294af7793e57588e04ef6
Formbook
37182811d9f3a0a2b3126266dc70a5253c4745de7e18e75a4c29393fbdedb142
Formbook
459c86bf11535b9d62c895a6677a5eb40d8f0cf3136477e5da746045bf3fb6a3
Formbook
69beb963daa43dd4f918d96934484b37b091ba40a9697519c9803db38a2146cd
Formbook
838646bc9841804d7671fb25b3fd5d3e67e91c1d341c7125ce63ad436ada5f26
Formbook
a8ffb883609ff6d5a39170b1061077440637b40fc0f5a9db98cd85a6f4f2a95d
Formbook
d36d73e78b048c34b8ed4b2c1035f27c0c1857ae8eb5f1167942981139138b35
Formbook
d89ceaf1e34dd42cef063ecb6b8e219479f276c6cc30e2ab6ae8c881a8d60633
Formbook
dd4d4174a3dc3aa9f5ebff021eb9e561b6e22197d84d4611c6bd83c6cf9ac875
Formbook
+ 10'398 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:dpzz loader rat
Link:
https://tria.ge/reports/220125-mjt29secc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
8d63351af867240f488e50795fca80a9b6869452273c20feed49797dc22295af
MD5 hash:
4397ffbb032f3e36791ab2dcf8294e17
SHA1 hash:
5969b129f73b138b3a53ffa74834fdb7a6e30696
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0a25b594-22a1-48be-b45e-87b448ecfb92/
Parent samples :
dd4d4174a3dc3aa9f5ebff021eb9e561b6e22197d84d4611c6bd83c6cf9ac875
6e728d7a2e88ba45765fb4bbb1de4ddda1b3a402d5f31c04eddafe1962ab993c
f5e1a753c6adb55fcc3eb64d7252f7c43ea1d4d5c33a63a5fa4373b3ca323f8c
cba2f725d2b6b4212d2e8ba58b7e26e59e3276065d1f58fd11eeeaf0dfb15aeb
76c6384db63b1a5a7057da1bd58f0b1d14a9f7d23ec4e1fdd8b93bbd78d1858e
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
Link:
https://www.unpac.me/results/0a25b594-22a1-48be-b45e-87b448ecfb92/
SH256 hash:
bf97d0b2d4492ca0c532e73b3fec30deeb48806f281d012eccbd11b08d08c2da
MD5 hash:
f70f220ad405649bafb5cad036fdb9ec
SHA1 hash:
3cafc64a3fc2edb5f7c2c1f904d7d7f7bff449e8
Link:
https://www.unpac.me/results/0a25b594-22a1-48be-b45e-87b448ecfb92/
SH256 hash:
6e728d7a2e88ba45765fb4bbb1de4ddda1b3a402d5f31c04eddafe1962ab993c
MD5 hash:
e4c892aef5cc8a224af323c3ad222a50
SHA1 hash:
e531fdbeee32fd4250f3d582b06aa03afc01a17e
Link:
https://www.unpac.me/results/0a25b594-22a1-48be-b45e-87b448ecfb92/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6e728d7a2e88/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/6e728d7a2e88ba45765fb4bbb1de4ddda1b3a402d5f31c04eddafe1962ab993c

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

File information

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

Web download

Formbook

Executable exe 6e728d7a2e88ba45765fb4bbb1de4ddda1b3a402d5f31c04eddafe1962ab993c

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/222351/
  
URLhaus
https://urlhaus.abuse.ch/url/2004757/

Comments


Avatar
zbet commented on 2022-01-25 10:29:13 UTC

url : hxxp://107.172.76.210/2300/vbc.exe