MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e
SHA3-384 hash: 0f4f5fc2a47595a8564ed20c7e8d6d2651def171f600b76f832cdec05f8513845afcae74bb934f45d94c4121669305c6
SHA1 hash: 7b15ee1908a5be0b64bee75f015d0397a19359ca
MD5 hash: 10105c029ec0a14dbd0ea3e96f950128
humanhash: pasta-west-london-uniform
File name:10105c029ec0a14dbd0ea3e96f950128.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'038'336 bytes
First seen:2022-05-28 15:23:52 UTC
Last seen:2022-05-28 15:38:33 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:DzTjxDdnYM0UKVU7Ys6rExVb3PAD21mOfHLm:HxJnYsPMCd
TLSH T1ED25122DBA15CF12C0990EF9C0D3826403F9A56BA671D7873ECD12D60E427D59EC9B8B
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
344
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
10105c029ec0a14dbd0ea3e96f950128.exe
Verdict:
Malicious activity
Analysis date:
2022-05-28 15:26:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4250e801-7054-4425-a704-928d5c123073

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/275168/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.15636.9270.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62923ed56bd27afab4668ac1/reports/2fa41518-0aa7-4db9-a0ef-0593dedc15e4/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/2ec8816d-ba3d-4002-a2ff-17664fa31260
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003151
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
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: 635673 Sample: yYvqDlsNcI.exe Startdate: 29/05/2022 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 9 other signatures 2->36 10 yYvqDlsNcI.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\yYvqDlsNcI.exe.log, ASCII 10->28 dropped 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 yYvqDlsNcI.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 process9 19 wlanext.exe 17->19         started        signatures10 38 Self deletion via cmd or bat file 19->38 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44 22 cmd.exe 1 19->22         started        24 explorer.exe 143 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-05-28 14:58:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:e63z rat spyware stealer trojan
Link:
https://tria.ge/reports/220528-ss2flache6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0ffc3a887eb8ede09eb9a2e2c785bf31373d46649e24d84a362bd9b145cba6c0
MD5 hash:
59dffdfca42bc5e89f2fa2bea4655075
SHA1 hash:
d165c575d025f27bbd617acee66d3023da68e6b2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/202e0621-7b7a-4bf9-9f87-d7df839087fe/
Parent samples :
98b28d84bb0b1479d10646a5d34d02f9e25718adc285634fb11d407188089e1d
3d4f0f70fc18a3b464a938ffb32fb693329993738991b2fa2e2f1a3faf84e7b8
6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e
cec1e3475be480dcec7b887edfab3389da89c696c99fc99927682f3bc99e208b
09c88bcf7ebad851bf96be9d453e25447ce6136b25ccc69f908c436f3e3cfed0
bef4d2b112f31aa4e400f8a578eb87817ea1acda68d219f7c5d4387ceaf432cf
01b796e6344f0aed01a755666640702444b02776a00bba9797d208730f948ac8
SH256 hash:
ec2e43e51a0eb0c68d5c6c3e4ac9625c909f0d1cde4f076528a90f9533059866
MD5 hash:
a6e577eedf9f7109bcd342f7efb88ab8
SHA1 hash:
e2aaa5509511d5d4c0a94273e313345b3c8ba488
Link:
https://www.unpac.me/results/202e0621-7b7a-4bf9-9f87-d7df839087fe/
SH256 hash:
53f04c857409619b1bb50ab9bd232f2878cfdaa4836fe192d4aeb4c4038472b1
MD5 hash:
6e2680f857c7d95d98f73b60606bb9b5
SHA1 hash:
88ce2a9ad4240d5a62a7902d2c5ebbfea4b8e26f
Link:
https://www.unpac.me/results/202e0621-7b7a-4bf9-9f87-d7df839087fe/
SH256 hash:
373e9c45ccee09aebd7aede57f8e58cc942fffc22d8f43e3ab0b4c74b0680509
MD5 hash:
e46d2543b92fce46a8e30c9f916720e9
SHA1 hash:
4bfebdcf5caaf2ef06b55fac9367fa1195f00598
Link:
https://www.unpac.me/results/202e0621-7b7a-4bf9-9f87-d7df839087fe/
SH256 hash:
742bfb49cf3904931ce87b810106611867a6b4b7a8d69f308e21d9d221365b3d
MD5 hash:
81cf021b05eebb622775151dc87f2aa1
SHA1 hash:
480c103ac6e66fe00b488d286832dc89eee088a6
Link:
https://www.unpac.me/results/202e0621-7b7a-4bf9-9f87-d7df839087fe/
SH256 hash:
6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e
MD5 hash:
10105c029ec0a14dbd0ea3e96f950128
SHA1 hash:
7b15ee1908a5be0b64bee75f015d0397a19359ca
Link:
https://www.unpac.me/results/202e0621-7b7a-4bf9-9f87-d7df839087fe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e

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 6a1304d1c9897938d2217e62aee0f4a79af9535dce964f0661e67139948a380e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2210854/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/275168/

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