MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
SHA3-384 hash: 9dc15354cf48773802ccb77535d350c9206ffdb16d6b72b6cd3a67e908f4dd5a120f777e151c0c8a70118971b44e081c
SHA1 hash: cbcdfdf809c394e5d7038af945642af382f00eda
MD5 hash: 29bf3916fbe9efa5b85ec0b885995967
humanhash: william-robert-failed-dakota
File name:Maschine Angebot Resale.de.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:882'688 bytes
First seen:2021-09-29 09:47:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:jD4VHfQe6ZyWshg+qbZxTZZWunAWvk+q2IohuaAloSdOLI+6+:hEIjuZlPSN6+
Threatray 9'954 similar samples on MalwareBazaar
TLSH T17515175AB109E1CDFC0C42B11166BCC410E81E793878AE137E9661E334EFEA56DADCE5
File icon (PE):PE icon
dhash icon b464ecd0f0e8dcd0 (7 x RemcosRAT, 6 x SnakeKeylogger, 3 x AgentTesla)
Reporter abuse_ch
Tags:DEU exe FormBook geo

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Maschine Angebot Resale.de.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 11:12:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f0278835-556c-458d-9735-02fc4d335611

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/193077/
Detection(s):
Win.Trojan.Autoit-7356348-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cfa01c2c-5726-48e7-9dcd-027484932443
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860785
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 493216 Sample: Maschine Angebot Resale.de.exe Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 31 www.grpgg2021.space 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 9 other signatures 2->45 11 Maschine Angebot Resale.de.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\Maschine Angebot Resale.de.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 Maschine Angebot Resale.de.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.pkglamsquad.com 199.34.228.166, 49820, 80 WEEBLYUS United States 18->33 35 www.homewebmailz.com 80.92.65.215, 49817, 80 DCLUX-AS4rueGrahamBellLU Luxembourg 18->35 37 5 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 systray.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 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:
n/a
Link:
https://mwdb.cert.pl/sample/a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-29 09:48:08 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ums76bi6xqotmzjt4ix3ustvutalda5cqrl62l7kbba7ndnamm2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
166559731ad15341f955bf8a16708f93542bef868c33f02f70e9b27f57b991a3
Formbook
1771bccdd4c4fdc7d50d97ac10e5b1e0f980a4ff31233c59e9cfa17e9cd36a24
Formbook
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
45f5e2a682896ac3380522e26a0398b8112bafc42948666c9fecafa3dcab69e3
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741
Formbook
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
Formbook
+ 9'944 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:hu8c loader rat suricata
Link:
https://tria.ge/reports/210929-lssecseefj/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.yoruba.loan/hu8c/
Unpacked files
SH256 hash:
2cb0ef5d24e2b4c868c397797e2a85a42d69155dd6f586bae0e579e9088a5766
MD5 hash:
8e4f2e1a2a584281f54f6c9e4163222a
SHA1 hash:
bb2e5001fcab12ab70a4d7df659c8cb3ab9552e7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c561de38-d212-4cef-8259-93cf091d7125/
Parent samples :
a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4
SH256 hash:
26083726ba5f5f4234a7dbdee76d854cbb6986b56c1911529ff8842721b2d018
MD5 hash:
4b8697ba16ea6d258c609a29a224b79b
SHA1 hash:
488ee7e16858ff372790c77ce7103419676d1cef
Link:
https://www.unpac.me/results/c561de38-d212-4cef-8259-93cf091d7125/
SH256 hash:
f98536ae21ee1d24e43d5c440bcab434f4332de14b4d69ab8bbc7f444a1ba91a
MD5 hash:
6e997de7b09b4d44163033b431f30524
SHA1 hash:
43eb5ef905aa9486131e2c5d5c9191ac36902ad4
Link:
https://www.unpac.me/results/c561de38-d212-4cef-8259-93cf091d7125/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/c561de38-d212-4cef-8259-93cf091d7125/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/c561de38-d212-4cef-8259-93cf091d7125/
SH256 hash:
a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
MD5 hash:
29bf3916fbe9efa5b85ec0b885995967
SHA1 hash:
cbcdfdf809c394e5d7038af945642af382f00eda
Link:
https://www.unpac.me/results/c561de38-d212-4cef-8259-93cf091d7125/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/193077/

Comments