MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cb0a06f7d34e3e89e90112768ff4a8c66897ea5a10a880c9aface1d544c3b2f. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cb0a06f7d34e3e89e90112768ff4a8c66897ea5a10a880c9aface1d544c3b2f
SHA3-384 hash: 915879871afaf582b0cbcc389cac28224b0f80fa0b2e6df756a88e60208e0f3e128287550244e4724187977f2f90b522
SHA1 hash: 4402306d329dc7f8606fc31d29e771f7ab4cf14f
MD5 hash: f32ff36c15687c954844f1ac08736b8a
humanhash: failed-jersey-bulldog-salami
File name:f32ff36c15687c954844f1ac08736b8a
Download: download sample
Signature Formbook
Create hunting rule
File size:770'560 bytes
First seen:2022-01-10 15:48:09 UTC
Last seen:2022-01-10 17:48:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+E/lKd2SiBwtDTmilHq1QjlCImcuSOiRL6HWriYDRJTyUiU9tutGG:J4dKutDTmitq1QJRmAOs+HWRRpJiEgGG
TLSH T1CAF4DF067B4AC902D6790673C58FC2B447B46E44B553E32B69E93E6F3D223A178086DF
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
202201.doc
Verdict:
Malicious activity
Analysis date:
2022-01-10 15:45:45 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/b6c12671-aa36-4d27-b155-b7ca9baab02c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/218041/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GIT.genEldorado.17438.14946.UNOFFICIAL
Create hunting rule

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 update.exe
Link:
https://www.filescan.io/uploads/61dc55721c0d769df9ded31e/reports/efba5ea2-37b5-4c0d-815e-97f98dbe58c9/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/efe201b3-39d5-47e3-9ec4-19b92e35c2fd
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/917785
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: 550263 Sample: Wr9nJNOjyg Startdate: 10/01/2022 Architecture: WINDOWS Score: 100 31 www.myforevermaid.com 2->31 33 myforevermaid.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 Wr9nJNOjyg.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Wr9nJNOjyg.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 15 Wr9nJNOjyg.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.learntoairmail.com 18->35 37 www.heidiet.xyz 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 wscript.exe 18->22         started        signatures11 process12 signatures13 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        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7cb0a06f7d34e3e89e90112768ff4a8c66897ea5a10a880c9aface1d544c3b2f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-01-10 15:42:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:bt33 rat spyware stealer trojan
Link:
https://tria.ge/reports/220110-s9bw9seea5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
4f1532705d87c6986e6ee1427235d0ee9059cda1ed8d65d43c6be83eafba6aeb
MD5 hash:
4f89eed7ee99cfa1f0729c1c41039c6a
SHA1 hash:
2e017cec0c10f45d63e6cb1ea236d11df2693875
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e1f0b60-b8d3-423f-a8ba-a14b1ecaf9b8/
Parent samples :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 hash:
6b23068192a0018d7781b12fcaa9204acf525e6a5c8e61ef53a07cd6ca0a5996
MD5 hash:
aaca82a0b771593bd03e5e38f529c6fc
SHA1 hash:
6640a94f4127e0c15a040e366d12a983c7f0f696
Link:
https://www.unpac.me/results/8e1f0b60-b8d3-423f-a8ba-a14b1ecaf9b8/
SH256 hash:
9be15b166af5f4edbbed4f46515d5a83a1248c5863a4a9eb52a376e742aec69d
MD5 hash:
a01c69629b9371b3b51f83e0390bd063
SHA1 hash:
1a736d96212edc5effd9c2bc19dfdf093c778094
Link:
https://www.unpac.me/results/8e1f0b60-b8d3-423f-a8ba-a14b1ecaf9b8/
SH256 hash:
7cb0a06f7d34e3e89e90112768ff4a8c66897ea5a10a880c9aface1d544c3b2f
MD5 hash:
f32ff36c15687c954844f1ac08736b8a
SHA1 hash:
4402306d329dc7f8606fc31d29e771f7ab4cf14f
Link:
https://www.unpac.me/results/8e1f0b60-b8d3-423f-a8ba-a14b1ecaf9b8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7cb0a06f7d34/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7cb0a06f7d34e3e89e90112768ff4a8c66897ea5a10a880c9aface1d544c3b2f

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:Skystars_Malware_Imphash
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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 7cb0a06f7d34e3e89e90112768ff4a8c66897ea5a10a880c9aface1d544c3b2f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1962740/
Cape
Cape
https://www.capesandbox.com/analysis/218041/

Comments


Avatar
zbet commented on 2022-01-10 15:48:11 UTC

url : hxxp://paxz.tk/emezx.exe