MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d
SHA3-384 hash: e3f8b719bc860a2a9c009eef0818b373bb67f63ca855ab58a6e9f218bf68a207d5540adbb8230b36ccc36fa08b715953
SHA1 hash: a351cc4041d0c68eca519c73c26e98cceb883329
MD5 hash: 51b137c2472e0851e8ea67ac87bac9a2
humanhash: berlin-arkansas-music-fifteen
File name:RFQ#220125.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:609'280 bytes
First seen:2022-01-26 07:25:28 UTC
Last seen:2022-01-26 14:27:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:y5cZJW1Ci6Qpo9nya9xZ5UHVa/NtU4h5lpvp7odwJLo:yIJW13Ta9xZrhDR1DJL
TLSH T102D4CFA423EA4927F0BB7F34E87871100A727C637DE2D66D068950DECDB6B448E91367
File icon (PE):PE icon
dhash icon b2e18c0d8d8c8992 (4 x AgentTesla, 3 x Formbook, 2 x njrat)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ#220125.exe
Verdict:
Malicious activity
Analysis date:
2022-01-26 07:31:11 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/6b6e6f05-829e-4ac8-8905-7bc17f02d599

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/223075/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd.exe control.exe finger.exe hacktool obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/61f0f7908581cbffe0852bd9/reports/4cd650e0-cc15-4cf7-98de-9dbb656b0101/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/3b4a2859-08fb-4046-aec3-4767dfa287ec
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/927707
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 560189 Sample: RFQ#220125.exe Startdate: 26/01/2022 Architecture: WINDOWS Score: 100 32 www.mypagbound.com 2->32 34 www.leonergsteve18870.com 2->34 36 2 other IPs or domains 2->36 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 8 other signatures 2->50 11 RFQ#220125.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\RFQ#220125.exe.log, ASCII 11->30 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 15 RFQ#220125.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.herbalmedication.xyz 44.227.76.166, 80 AMAZON-02US United States 18->38 40 www.efootballpro2022.net 18->40 52 System process connects to network (likely due to code injection or exploit) 18->52 54 Performs DNS queries to domains with low reputation 18->54 22 svchost.exe 12 18->22         started        signatures11 process12 dnsIp13 42 www.herbalmedication.xyz 22->42 56 System process connects to network (likely due to code injection or exploit) 22->56 58 Performs DNS queries to domains with low reputation 22->58 60 Self deletion via cmd delete 22->60 62 3 other signatures 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 20:14:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vspfwr6qjyn36unp35pn4e6rnljd3lnrotvtvqfoyhbg2jk3qb6q._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:s9ne loader rat
Link:
https://tria.ge/reports/220126-h9ja8sagd4/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
Unpacked files
SH256 hash:
a7c9191926984533176b429c96b58523446d7d9d36c14abf7aa4e2e0457ad63c
MD5 hash:
98e44131b70d108dec197a48e5cec096
SHA1 hash:
c002a66b36e29bd79ad5b3f32d0a661ba0fd16f8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bbb175fa-d592-4ec2-a18b-25d8246cd52b/
Parent samples :
0afd047607e52ba3e4994fd71a66964ab2af835b661746cf12ab53368a40b7ad
ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d
ad50215575f299a7cc0aa9616f5e6f4f4ad43ed8d51f15403a519b8871d3547d
dec8cfd95e7f3b0db46981117fe82eb59daab642c20c1e1ecaffe45df22af8c8
beccec456cf3e74a220ae1c8fa65cc0f4ddef57bee5d4f2ec71ad7b99da52369
4f538ee6b8d7c6e779e1af1945dbcf1903947f45e707e68b1be0ce6a43b8041f
20142adbbec4e79cf460d90f427a580223ee0cab8e7946fb6e21133279949750
69c77fdb89867a4004fcfc8de12e3ea749456ecd8e7cd9a3e316e9b7d5093f48
d368e6da00a94aa2a44145cde60d85f8b29cf8634893769f243f503524e24043
4efd8009a4be3d178d95134fbea3a30b01f2053d60414bc77072330b58fb26ad
49811dca565bead069108819f9ad132a2214364381f97dcf7f0f439614cc8ff4
ff3f7736a06e89ae300270369d83b922423c8a840903b30a8a21365c4b0b0628
1575198d7ad60f56d2a14359f82de8b6d0a5fc3278c1b6dc55716b17873ab54f
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
Link:
https://www.unpac.me/results/bbb175fa-d592-4ec2-a18b-25d8246cd52b/
SH256 hash:
3180f384aecac5b7fb6e74315b24382de12669b9f132dac677f7fc04aa613e43
MD5 hash:
e20598cc589cee526ab52065ec9ddcd2
SHA1 hash:
06b4c49ab103c7d46d5d0493421ede451d49577b
Link:
https://www.unpac.me/results/bbb175fa-d592-4ec2-a18b-25d8246cd52b/
SH256 hash:
ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d
MD5 hash:
51b137c2472e0851e8ea67ac87bac9a2
SHA1 hash:
a351cc4041d0c68eca519c73c26e98cceb883329
Link:
https://www.unpac.me/results/bbb175fa-d592-4ec2-a18b-25d8246cd52b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d

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 ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/223075/

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