MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31d626131ee37bcb3366db2dda9cf1967ee57051f132e85425de1f1e495ca75. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b31d626131ee37bcb3366db2dda9cf1967ee57051f132e85425de1f1e495ca75
SHA3-384 hash: cbd1e8134379286431f7599260901064648505b37e784aedbbdf8a1e0ea1fc4fa058910e2997fb87ab38cc53c7d66782
SHA1 hash: ea8ce6613876fdda4daeb99ba0c35bcfcc92aca0
MD5 hash: e0a35464c8997bf189d9de32563fa11b
humanhash: wolfram-wisconsin-london-september
File name:e0a35464c8997bf189d9de32563fa11b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:974'336 bytes
First seen:2021-02-01 09:50:10 UTC
Last seen:2021-02-01 11:39:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:VIyoD+NpCwoTPTha9R3xC19DwZJM4kC3R8A64p1WIj/HhPwhGGTFsXHzNWSsFR:ED09oTPThyCXsZii8Y+IChGqah+
Threatray 3'650 similar samples on MalwareBazaar
TLSH E6258D117398960DF57B9BB6A1B41004CBF9F803C337CB9EE495185F2EA2781DA5B362
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7a7bf7375108e19abe8cdd7c670f805e.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-01 09:23:51 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/95e99eda-848b-4287-8024-10902e800bda

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/114460/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/595187
Signature
.NET source code contains potential unpacker
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: 346634 Sample: HwL7D1UcZG.exe Startdate: 01/02/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 5 other signatures 2->42 10 HwL7D1UcZG.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\HwL7D1UcZG.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 HwL7D1UcZG.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.putlocker2.site 185.53.177.13, 49724, 80 TEAMINTERNET-ASDE Germany 17->30 32 wayupteam.com 50.31.188.183, 49721, 80 SERVERCENTRALUS United States 17->32 34 19 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b31d626131ee37bcb3366db2dda9cf1967ee57051f132e85425de1f1e495ca75/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-02-01 08:55:58 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmoweyjr5y33zmzwnwzn3kopdft64vyfd4js5bkclxq7dzevzj2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2f4c024e90b8fdb3077395f4b7b59c38d1feca1e8477636a8dfe4ab0b0da77e0
Formbook
79a5735a233925fa0fbbae9a0d38411de1d697dd5bbed65970c94bdf2be1a16a
Formbook
8fe13da45a5732ae42c27687b9cf9105a3f2028857729bdfbe3ae31514a6b298
Formbook
9787e886d7536b9343db7b8b78a9f87f5177b5d11460130d2aced11ccb44de8f
Formbook
c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14
Formbook
c88ff1a1487ac7559ec7f8104f6b1cd8231b6a7f0a52020c356c460d2b608d9a
Formbook
d433e7ca5197ed83d851161b45aa94ae8b469a2c711b7a327d749c32279785f5
Formbook
e29bf0082c57f6a228883a9c3c8b727dc68705f4780d6275870958c81d747290
Formbook
edcbf58883f09441ef7eb461421b7ec33655663420ba2722ef5c45b62600f25c
Formbook
fed11979ec84668f90bec2df7dde9872c7569080bbc832415746cde54bb3c384
Formbook
+ 3'640 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-vw2wkyhxve/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.learnhour.net/eaud/
Unpacked files
SH256 hash:
e03b3e2442ae5479c4731e4679bc74f6ebdfef742a5cb8f59091d4dbb64cacb1
MD5 hash:
ddedbcc173e58bfa1c0a9e9bd81d6369
SHA1 hash:
b704c9800a0ca1dfc416bc671cc3dfdfdbf34a16
Link:
https://www.unpac.me/results/7c0fe332-6c79-41f3-b2d1-b3c3614514b7/
SH256 hash:
3c4cf85dde5eb9fe3da1bd14dba7baa316b06a398e40b66cf1f8b9c636bb454b
MD5 hash:
b34af48cd7e96c207d24b21b6f1f3ace
SHA1 hash:
e47fea2f62602de1bfbacc88096f4ddef2ec875c
Link:
https://www.unpac.me/results/7c0fe332-6c79-41f3-b2d1-b3c3614514b7/
SH256 hash:
1c164e64adcbefb8250fa4cafab93cebc9c312add6e7ea5c240c878c7824e303
MD5 hash:
340fc2829d18eb310efe7a09b1faaa8e
SHA1 hash:
6a0eaccf2b68df2bcd4092e361bedd1fc395b8e1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7c0fe332-6c79-41f3-b2d1-b3c3614514b7/
Parent samples :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 hash:
b31d626131ee37bcb3366db2dda9cf1967ee57051f132e85425de1f1e495ca75
MD5 hash:
e0a35464c8997bf189d9de32563fa11b
SHA1 hash:
ea8ce6613876fdda4daeb99ba0c35bcfcc92aca0
Link:
https://www.unpac.me/results/7c0fe332-6c79-41f3-b2d1-b3c3614514b7/
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/b31d626131ee37bcb3366db2dda9cf1967ee57051f132e85425de1f1e495ca75

File information

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

Web download

Formbook

Executable exe b31d626131ee37bcb3366db2dda9cf1967ee57051f132e85425de1f1e495ca75

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/986160/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/986165/
Cape
Cape
https://www.capesandbox.com/analysis/114460/

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