MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef295a80356b8b9f2e328c3ed296d491fb1a70d7e315bf2a17e8ac6bc1382a4. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ef295a80356b8b9f2e328c3ed296d491fb1a70d7e315bf2a17e8ac6bc1382a4
SHA3-384 hash: 1ef50fd38d4c078471d81942a231bbca7d0448a2cbd561261c6a0d53ba4eb3f78a4437c988df5f42bc301d5aa431fc0a
SHA1 hash: 80f85aba1223397477196dc983c26157b182e5e5
MD5 hash: cdcc17e1b5807fe352b847ba8efc3c1a
humanhash: orange-bravo-twelve-bravo
File name:cdcc17e1b5807fe352b847ba8efc3c1a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:701'440 bytes
First seen:2021-02-01 09:54:47 UTC
Last seen:2021-02-01 11:39:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:uct1v1vyXUKnZr3aRvDT7XHfrB73TGe9VgUZ5LuULjO:v1v0XUMt2nB73tfX5LuU2
Threatray 3'698 similar samples on MalwareBazaar
TLSH 9DE49C2163F45B59F0BEAB75953580208BF6BD17C732DB5D2C8520AD0D72AC0CAB67A3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
57e4b5bb7a670e1bfd86ff658765d80d.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-01 09:17:44 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/658556d1-de6c-467f-be5d-ef87a913e437

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/114467/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/595210
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 346645 Sample: FPZaxqP7uB.exe Startdate: 01/02/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 10 FPZaxqP7uB.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\FPZaxqP7uB.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 FPZaxqP7uB.exe 10->14         started        17 FPZaxqP7uB.exe 10->17         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 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.nathaliemoser.com 84.22.106.232, 49764, 80 TILAANL Germany 19->32 34 www.elemistlarp.com 74.208.236.226, 49754, 49774, 80 ONEANDONE-ASBrauerstrasse48DE United States 19->34 36 23 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 rundll32.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3ef295a80356b8b9f2e328c3ed296d491fb1a70d7e315bf2a17e8ac6bc1382a4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-01 09:14:16 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h3zjlkadk24lt4xdfdb62klnjep3djynpyyvx4vbp2fmnpatqksa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09657a01ff5462b3dde8ebe84aa420836aeaacfebc06cd840a5831d79e7470ec
Formbook
220ab940326b10e217ed23f4806edd06fac3cf52cbd3c8863863eac6893b02ea
Formbook
574e414e22746d7781bd6ca6f4cc64be417b65696104dda71b037c9584cea01f
Formbook
5cd75052c82b5ff0cc1261075c4fdb060c21062c72525508cbb75e44683f6d0b
Formbook
ac23d4ba0e11c07488224b01abc734d353da88537ed55c945eec7a91a20216a4
Formbook
b2c722497192e585403d800c2b34bc14ed8c7ea9b0f2b4e8c7b7951b645cd319
Formbook
b4a9843d6c2869da17c9fb36d3aae7b869f3df444280943e07f3944f6408f086
Formbook
c826a0b0506ddc4d93aba9f41ed795a88cca8bdb8c54f4af5d8dbdf9767e9ad3
Formbook
cdfc1600f7f5656fb2b72fd10da44b8f7e12f4c40027a4338251e5d7e9f0e743
Formbook
f5335d6602e10c13875822341a6044ebff9bdac72b7a0aba66142db66642d594
Formbook
+ 3'688 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210201-c6eb1x8wy6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.vkreditoff.online/hvu9/
Unpacked files
SH256 hash:
0dbdcc70022aca31dbb52bb3ea1ee1304e537ee88e237b8f1cae31aadcfa75f2
MD5 hash:
a66b03f0fc7431afe5a5ce2051c7f499
SHA1 hash:
15e6f031128e765a614d15846280053489e6dac4
Link:
https://www.unpac.me/results/8e557481-7ae3-47f8-bec5-04109c534e01/
SH256 hash:
f3be1bcba894a5de0b25c744f68e28881d4a557c8c888105997b0e6bda423169
MD5 hash:
bacce6fd3467abb401fe4f76ff7573aa
SHA1 hash:
ec0dad9f3df0873c56d4d3a4a14605c58ae4b21b
Link:
https://www.unpac.me/results/8e557481-7ae3-47f8-bec5-04109c534e01/
SH256 hash:
34eade35c23cc2d0e86fc062fbb100a945f8d821ee84d839d088c5c47f23bb02
MD5 hash:
c6c9c4c5a0e32906827dbbdd8f6790ff
SHA1 hash:
a949719bb3200a9e08805f73db9d144129b0dddf
Link:
https://www.unpac.me/results/8e557481-7ae3-47f8-bec5-04109c534e01/
SH256 hash:
f6dfbcebf5ca2f0bbb39922d9975f80ffdc1f22c50eca5a25cb0a7ac80074148
MD5 hash:
f56000f9e7d1aa626c18d370bd5403b6
SHA1 hash:
af3a9f39ba10a260f554740b057e06984fdc9d24
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e557481-7ae3-47f8-bec5-04109c534e01/
Parent samples :
f5335d6602e10c13875822341a6044ebff9bdac72b7a0aba66142db66642d594
09657a01ff5462b3dde8ebe84aa420836aeaacfebc06cd840a5831d79e7470ec
3ef295a80356b8b9f2e328c3ed296d491fb1a70d7e315bf2a17e8ac6bc1382a4
SH256 hash:
3ef295a80356b8b9f2e328c3ed296d491fb1a70d7e315bf2a17e8ac6bc1382a4
MD5 hash:
cdcc17e1b5807fe352b847ba8efc3c1a
SHA1 hash:
80f85aba1223397477196dc983c26157b182e5e5
Link:
https://www.unpac.me/results/8e557481-7ae3-47f8-bec5-04109c534e01/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3ef295a80356b8b9f2e328c3ed296d491fb1a70d7e315bf2a17e8ac6bc1382a4

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:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo

File information

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

Web download

Formbook

Executable exe 3ef295a80356b8b9f2e328c3ed296d491fb1a70d7e315bf2a17e8ac6bc1382a4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/986169/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/114467/

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