MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682
SHA3-384 hash: 90334b3aaea157c822aeddb91f44ce4b24a3f6933dd3035ebf02d283a9858fd32d58f8807f2501cdc6dd2b70816e9c1d
SHA1 hash: aea1fab34741f88b40a605c4e021039af8d255e9
MD5 hash: a1f535aad70c6411bd8e9b2adceb08d6
humanhash: gee-friend-high-hydrogen
File name:p5QtI97P3kMxZO4.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:884'736 bytes
First seen:2020-10-10 07:10:10 UTC
Last seen:2020-10-10 08:04:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:9bxS2A6d7ZpBRW72T9C6Mj4SBLjHltcS8uKP40FKXj8qj3c7Muvu:VxO61ZZW72JfMjRBLLltc6KP4AKoa
Threatray 2'388 similar samples on MalwareBazaar
TLSH 5015CF1572F54B59E179CBF8047250112FF1762B566EE68FAEC310DF2860F818A1AFA3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69720/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487452
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 296168 Sample: p5QtI97P3kMxZO4.exe Startdate: 10/10/2020 Architecture: WINDOWS Score: 100 45 www.dalesj.com 2->45 47 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 2->47 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 9 other signatures 2->61 11 p5QtI97P3kMxZO4.exe 6 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\sxhaRFgl.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp3682.tmp, XML 11->41 dropped 43 C:\Users\user\...\p5QtI97P3kMxZO4.exe.log, ASCII 11->43 dropped 73 Tries to detect virtualization through RDTSC time measurements 11->73 75 Injects a PE file into a foreign processes 11->75 77 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->77 15 p5QtI97P3kMxZO4.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 81 Modifies the context of a thread in another process (thread injection) 15->81 83 Maps a DLL or memory area into another process 15->83 85 Sample uses process hollowing technique 15->85 87 Queues an APC in another process (thread injection) 15->87 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 49 bestourway.com 34.102.136.180, 49741, 49742, 49743 GOOGLEUS United States 20->49 51 www.stayliveclothing.com 20->51 53 2 other IPs or domains 20->53 63 System process connects to network (likely due to code injection or exploit) 20->63 26 raserver.exe 18 20->26         started        signatures11 process12 file13 35 C:\Users\user\AppData\...\K1Alogrv.ini, data 26->35 dropped 37 C:\Users\user\AppData\...\K1Alogri.ini, data 26->37 dropped 65 Detected FormBook malware 26->65 67 Tries to steal Mail credentials (via file access) 26->67 69 Tries to harvest and steal browser information (history, passwords, etc) 26->69 71 3 other signatures 26->71 30 cmd.exe 2 26->30         started        signatures14 process15 signatures16 79 Tries to harvest and steal browser information (history, passwords, etc) 30->79 33 conhost.exe 30->33         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-10-10 05:05:33 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3nj2e7cd3xnudhu5awhgfchtyht7y7sl2yxdxmci44id3t3z22ba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab
FormBook
48fb5ca3a7323643cd3cab475e1e7615bf619ef568c2673f7e61e128d263a114
FormBook
4ba0d07d32c048141100317f95bd6dd8b791ba9c6608730b8408530490a13922
FormBook
a998850fc7940055baac6f61dde2d0e29836c9386ac87555549eeaa1a9998401
FormBook
c00a516a6bdcb2118625e8156904192e491dba809a8088ce8b6da29eac55d41e
FormBook
d4014ac2689b47f11708425cad3d8aa02dd05ee6d6745006156dffbe0a27b4be
FormBook
d7d1d6057e7e731b75e1ba9579ccfe717334cc7b4f59324af1a0aa179db22e68
FormBook
da111408d9dccb99b2c429d535ca55f6e970d911da4c24553e75d02fe9c00489
FormBook
ec4ee2fa916e9fc280f06af0ceded7835693723ebbc6c60bd6e371b5d4ad006a
FormBook
f4854fb409d136b74193144c50c888b36bbbbcde71b52acb5f8177a862ebd76c
FormBook
+ 2'378 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201010-43x3fl32zn/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.trusted-inspections.com/k8b/
Unpacked files
SH256 hash:
db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682
MD5 hash:
a1f535aad70c6411bd8e9b2adceb08d6
SHA1 hash:
aea1fab34741f88b40a605c4e021039af8d255e9
Link:
https://www.unpac.me/results/87af2857-3d08-4956-beec-c7043dfe83a0/
SH256 hash:
3e981a48232b4b7cb20cc6b662daa2f6991d07e8550344ad0e80170450afbd31
MD5 hash:
630a0b62801c7ca273ce3a15ece5477a
SHA1 hash:
5102749666fcc4465a7f820a77cbfc75c85613f6
Link:
https://www.unpac.me/results/87af2857-3d08-4956-beec-c7043dfe83a0/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/87af2857-3d08-4956-beec-c7043dfe83a0/
SH256 hash:
5a144f9e72d86bf7789929db2bb48481a8ce2d876da64d70c74a456658dc0b97
MD5 hash:
78d30848461d468119773c4c949b10b0
SHA1 hash:
91f23f2766aa75da9c6fb67e1dc437f87c2422a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/87af2857-3d08-4956-beec-c7043dfe83a0/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/69720/

Comments