MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ca11dd279c549f053512abe637956834015217f6b0786a394d1d545da1a2455. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ca11dd279c549f053512abe637956834015217f6b0786a394d1d545da1a2455
SHA3-384 hash: f652de3d82ef3b8320abc19aaac88f3a6c5baffed447f9d7f655696ab7acaa12e7e59951b9879d6357ed921a06f65634
SHA1 hash: 20d138b9dfa642af8337f9c92888db6a263096d5
MD5 hash: 061c74db0204aa6e18edce6588f4bca5
humanhash: coffee-happy-fanta-indigo
File name:oNUUaugLQjvRcCL.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:771'584 bytes
First seen:2021-06-07 05:10:48 UTC
Last seen:2021-06-07 06:21:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:7C/7krBNk2PHJFWKceYz+g5vYbaz2zFKH0NewHndzwdB1eL2gT:aktN3JSPa6Maz2RKHKe
Threatray 5'615 similar samples on MalwareBazaar
TLSH 00F48DDAF1A06D9ECCE7987195941C64A7317F3A5207F13751931AABE60EE83CA00DB3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
oNUUaugLQjvRcCL.exe
Verdict:
Malicious activity
Analysis date:
2021-06-07 05:15:40 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/79b44ea3-369d-42c6-8ce5-3691e30f46d2

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/164799/
Detection(s):
SecuriteInfo.com.Artemis061C74DB0204.828.232.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/797755
Signature
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
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 430149 Sample: oNUUaugLQjvRcCL.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 31 www.happinessisselfish.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 11 oNUUaugLQjvRcCL.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\oNUUaugLQjvRcCL.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 oNUUaugLQjvRcCL.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 pamelaron.com 50.87.151.118, 49761, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 rentozo.com 3.7.105.125, 49760, 80 AMAZON-02US United States 18->35 37 2 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Uses netstat to query active network connections and open ports 18->49 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 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/4ca11dd279c549f053512abe637956834015217f6b0786a394d1d545da1a2455/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-07 05:11:12 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsqr3utzyve7au2rfk7gg6kwqnabkil7nmdyni4u2hkulwq2erkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
016e6200c368ec7e158572673568037338e92642721c8e543a01571fd0ee2571
Formbook
0b83d5ad9e2be0ecb6ea6d4228a1d41a6be6de3d0027729c1e0ef15789ed1e3c
Formbook
1c2c212dbad3b81d9c6225c3a9f9f6211b10782d228a090f9aa4f038b0270663
Formbook
23cc105fad71d71dced93e63fdbab55354b4dc9700fb0de855acedaf5723ed9c
Formbook
38a56ce38b1cb566debbc01c73ff14492c8e4d60b39be2801f13a21cbefe6084
Formbook
546a357750ec3b4f5f238d7e1e273f336d11c6ea5ef51976243e1fa1a8e335ec
Formbook
57e63dfbb0a4ae4160cd50f65ff9dce530c0f20188524279a840546a89de56bd
Formbook
6f9bd416549145039e3b6384bf2cba04924252fb3673bc3922a8af8dcb68e7d2
Formbook
917b37643dd312610d4b71e47b7841cfe33c1f0e842f8eb9c73101345d37d876
Formbook
cfc09cd2a2109a174ccbc346779f2e19316be4601173e2e85c3e4314cc139017
Formbook
+ 5'605 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210607-fr1c1hdjls/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.nortier.cloud/olg8/
Unpacked files
SH256 hash:
5142b4b556bff6bf740897855a9f0bfe5101bd67eac0ecc83faa7885574b8f9f
MD5 hash:
9e60d4f131d6298d766f74025db56e6f
SHA1 hash:
5e0f2f0353a59a5ee6e392e9fb80dce4a8bb9955
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e783139c-a393-4253-9455-a6f32239523c/
SH256 hash:
77a13b9b6d48df6850b3de2c8b5f2799b870ae1338e20740d0794bf7c212dd26
MD5 hash:
efba92edf8504537568cd912d4a007fb
SHA1 hash:
d206211cb8057f0d4f27e8014d8570637e0c36b1
Link:
https://www.unpac.me/results/e783139c-a393-4253-9455-a6f32239523c/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/e783139c-a393-4253-9455-a6f32239523c/
SH256 hash:
4ca11dd279c549f053512abe637956834015217f6b0786a394d1d545da1a2455
MD5 hash:
061c74db0204aa6e18edce6588f4bca5
SHA1 hash:
20d138b9dfa642af8337f9c92888db6a263096d5
Link:
https://www.unpac.me/results/e783139c-a393-4253-9455-a6f32239523c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/4ca11dd279c549f053512abe637956834015217f6b0786a394d1d545da1a2455

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.

Malspam

Formbook

Executable exe 4ca11dd279c549f053512abe637956834015217f6b0786a394d1d545da1a2455

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/164799/

Comments