MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40
SHA3-384 hash: b59a96065bc7775e1b6b957fa69f09055d378d8087e7200257e9fd73beff9b3210df39f20ccac54fa7bb2f921303b0f5
SHA1 hash: 3619512ef48da7da9fa29876ac9786a979730d49
MD5 hash: 2b951816abe403fdd5c70de7e9a87d7e
humanhash: kansas-wyoming-twenty-sweet
File name:rXiuAV2CjtcXJNE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:899'072 bytes
First seen:2021-02-06 08:26:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:9Zh5CQGA4qumYa3vHSLE/O2SPq5OD3wa:9ZjC1AvuPa/SJoJ
Threatray 3'758 similar samples on MalwareBazaar
TLSH 9915019A2EBC0B0EC1252FF705F1941863BAED52286DC309BEB139D92576F8C5940BD7
Reporter abuse_ch
Tags:exe FormBook Yahoo


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: sonic307-10.consmr.mail.ne1.yahoo.com
Sending IP: 66.163.190.33
From: GOLD FINANCIAL SERVICES LOAN COMPANY <goldfinancialservicesloancompany@yahoo.com>
Subject: : Fwd: Wire Transfer Payment
Attachment: PAY-IN-XXX7.rar (contains "rXiuAV2CjtcXJNE.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rXiuAV2CjtcXJNE.exe
Verdict:
Malicious activity
Analysis date:
2021-02-06 08:29:30 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/5a62ccd6-9040-42fb-aabb-c3697ab090ab

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/115921/
Detection(s):
SecuriteInfo.com.Artemis2B951816ABE4.29319.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
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/601051
Signature
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
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)
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 dnsIp2 2 Behavior Graph ID: 349544 Sample: rXiuAV2CjtcXJNE.exe Startdate: 06/02/2021 Architecture: WINDOWS Score: 100 31 www.guilhermeoliveiro.site 2->31 33 www.centrebiozeina.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 5 other signatures 2->47 11 rXiuAV2CjtcXJNE.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\rXiuAV2CjtcXJNE.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 rXiuAV2CjtcXJNE.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 35 www.marketingavacado.com 50.116.87.235, 49752, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 shoecityindia.com 103.53.40.64, 49748, 49770, 80 PUBLIC-DOMAIN-REGISTRYUS India 18->37 39 20 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 mstsc.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:
n/a
Link:
https://mwdb.cert.pl/sample/17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-06 08:27:12 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c6w4vaz5ttfpomnmigbq2cg3pnch744rzzkakjjs2tmq7nczjjaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91
Formbook
148007b32a311769a958c3f87c6c836b14457f17dbe6a9a0188b0f68b3c30b40
Formbook
2ce70c12c5b8806fc6b3e507c5ed406599045b20688b456db124b1b685da60d0
Formbook
40b83e6d53dd993f36bb71599c7be7bb0d8e8e95e4091de1884ca151f3416753
Formbook
486035f5d7f5cffc2c03aee2ecb06252449dc9330cae4b8fb35662010f59eab8
Formbook
57f785b182afbd719ca9e62527729b3d571b8218a38d24c22ef335df7654ce11
Formbook
65ca40e44ab6171794b0c81d8b80122604eff3aca4614901fcd30db1a5329cfb
Formbook
c826a0b0506ddc4d93aba9f41ed795a88cca8bdb8c54f4af5d8dbdf9767e9ad3
Formbook
f1cb70b8963d11aab0392a24161c0851f2d320d62aa101c3f960bcf0d7d94619
Formbook
fe30613b322753635f37763ebfeb63e065629b56e2924e51dc188f24be3f05d6
Formbook
+ 3'748 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/210206-44lh7emcm2/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.besteprobioticakopen.online/uszn/
Unpacked files
SH256 hash:
1820c232000eaca2b342006581d1e0743ff2166f57f917b8691901867e7ad3e0
MD5 hash:
cc0ba93bd12ee998cacab013043ff2c6
SHA1 hash:
c5ca7761965d1eedceaab08eb3bc06963292bd87
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/21ccf21a-52a4-4eae-be19-4e572749c70c/
Parent samples :
65ca40e44ab6171794b0c81d8b80122604eff3aca4614901fcd30db1a5329cfb
00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91
fe30613b322753635f37763ebfeb63e065629b56e2924e51dc188f24be3f05d6
f1cb70b8963d11aab0392a24161c0851f2d320d62aa101c3f960bcf0d7d94619
17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40
c408e9ac6c785de60c7a65c278c476165c660547645ff34ace23767ee2d16021
01c5ac824171a164473d92187f8031f2bc7103397fe534f56771d8e9589445e0
87b9a54e05cadec6a6ba97a28c1de2b59b47987dcac4781203dc4811b2d33e24
ddaa3b6f19f3e7b9a6e8ebe8188ceea0d1bb0c285a0b2d783c8d0cc7005e37a6
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
Link:
https://www.unpac.me/results/21ccf21a-52a4-4eae-be19-4e572749c70c/
SH256 hash:
2c648f4148ebf55f2dafea200b0780830c5821e06b5f71d66ddf3d30f0fa8bcd
MD5 hash:
b23e8d4eb6657092eb95d6119628b54a
SHA1 hash:
1859eff1202709f6d9a1f86ea80806a83a8b4c26
Link:
https://www.unpac.me/results/21ccf21a-52a4-4eae-be19-4e572749c70c/
SH256 hash:
17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40
MD5 hash:
2b951816abe403fdd5c70de7e9a87d7e
SHA1 hash:
3619512ef48da7da9fa29876ac9786a979730d49
Link:
https://www.unpac.me/results/21ccf21a-52a4-4eae-be19-4e572749c70c/
Please 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/17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

rar 8468d6a706afe3744b7ba76f15e1960bdee0e9265901f3772773ea6c1a080afd

Formbook

Executable exe 17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40

(this sample)

  
Dropped by
MD5 b4783cd0a66e22977c2fe7a6a00bac38
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/115921/
  
Dropped by
SHA256 8468d6a706afe3744b7ba76f15e1960bdee0e9265901f3772773ea6c1a080afd

Comments