MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555. 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: 945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555
SHA3-384 hash: 402dbb7fa9c21d8a68675977a73e018ee61d9ce1a1a9858c4222e5a9947e54aef1aaebe05f1d9a732d389964d00212da
SHA1 hash: 733e4de7e19ade779c63542976da56bf62a2137e
MD5 hash: 6f4e0c1ed6b76f7510faec92ba445878
humanhash: white-pennsylvania-white-nebraska
File name:6f4e0c1ed6b76f7510faec92ba445878
Download: download sample
Signature Formbook
Create hunting rule
File size:557'056 bytes
First seen:2022-01-19 18:54:19 UTC
Last seen:Never
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:MNK777777777777N7EPKBmZ7nC+pCtWKBwyCgDeJMAA:QK777777777777lEgms/BwN1A
Threatray 12'851 similar samples on MalwareBazaar
TLSH T142C4F08F379A9572CAE19A7044A884204FA4AD5F2502C30639FCFF6E35B37D1168E797
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6f4e0c1ed6b76f7510faec92ba445878
Verdict:
Malicious activity
Analysis date:
2022-01-20 02:54:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c4a3b811-ed07-4f26-bf4c-8d80b61e946d

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/220776/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS 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
Link:
https://www.filescan.io/uploads/61e85e93d32385db630a0c7d/reports/62d73783-4cb8-4b1f-ba1b-b86ed99c2ad8/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/d214ac7f-e096-4395-a5be-61da94aff293
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923788
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Sigma detected: CMSTP Execution Process Creation
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 signatures2 2 Behavior Graph ID: 556273 Sample: DrOFVHlNQq Startdate: 19/01/2022 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 8 other signatures 2->38 10 DrOFVHlNQq.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\DrOFVHlNQq.exe.log, ASCII 10->30 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 DrOFVHlNQq.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 process9 19 cmstp.exe 17->19         started        signatures10 40 Self deletion via cmd delete 19->40 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        24 explorer.exe 1 123 19->24         started        26 explorer.exe 99 19->26         started        process11 process12 28 conhost.exe 22->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-14 23:49:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4726f7e6956e313b3f98da2e40bfc923b6aa6f5033e90962ed10497cc5957ee1
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
Formbook
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
Formbook
5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70
Formbook
832160e3e8d0fa8b10ae46a52268d0f2aa5a29d2e084c255babe7423c696db53
Formbook
95e46ac69b189a47167d193f4d43756f9cf965deba4ae6608ea20115209090e2
Formbook
9e54c12e7b23d9988514b9aae1e3593b0a08814357860ff270f42014914b0a1e
Formbook
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
Formbook
eb75ee1b5895c0cc2882a850fab0f379ca09653d92a3a7ff8569593125622355
Formbook
+ 12'841 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a83r rat spyware stealer trojan
Link:
https://tria.ge/reports/220119-xkr96scdh9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
d6981c1972362906d7a54e90b490933e57c4658b604f0127572ce22226653ed7
MD5 hash:
5bd70ea9f1494a448dcc7f93d6e25b4c
SHA1 hash:
bb04b7e5b4398e1cd67f9dc9928bcc3bc2270d8c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ce4d8b06-f87c-480c-8b0d-922fad0b460a/
Parent samples :
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
eb75ee1b5895c0cc2882a850fab0f379ca09653d92a3a7ff8569593125622355
57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
3dceeaa794d1b8b67ba67c57820ba13f8078801c589747426b0562b5ebf411ca
95e46ac69b189a47167d193f4d43756f9cf965deba4ae6608ea20115209090e2
4726f7e6956e313b3f98da2e40bfc923b6aa6f5033e90962ed10497cc5957ee1
5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70
945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555
1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d
SH256 hash:
1ca3b638699d2137d663dbb34cb73e2c9e936d614693a3687f2942488a036146
MD5 hash:
a2246ee96794ef6aafec42b6d5271343
SHA1 hash:
6ba812f3fd22e87e6ae22594c1233ae4ed093160
Link:
https://www.unpac.me/results/ce4d8b06-f87c-480c-8b0d-922fad0b460a/
SH256 hash:
8dcae3d36f4275e2976e3f6c975f678173713af77eebfe4135440266dd8b863d
MD5 hash:
c8b98f3daefd43b8bdfec6323c09a0fe
SHA1 hash:
5e2255a01676161e2f52ffb49d8345efd7590892
Link:
https://www.unpac.me/results/ce4d8b06-f87c-480c-8b0d-922fad0b460a/
SH256 hash:
945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555
MD5 hash:
6f4e0c1ed6b76f7510faec92ba445878
SHA1 hash:
733e4de7e19ade779c63542976da56bf62a2137e
Link:
https://www.unpac.me/results/ce4d8b06-f87c-480c-8b0d-922fad0b460a/
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/945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555

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 945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/220776/
  
URLhaus
https://urlhaus.abuse.ch/url/1962747/
  
URLhaus
https://urlhaus.abuse.ch/url/1901647/

Comments


Avatar
zbet commented on 2022-01-19 18:54:20 UTC

url : hxxp://kizitox.cf/aguerozx.exe