MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 024737a28fd89827c354f327a55139d53d31393e6fce0453063aecce11fd1485. 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 3 File information Comments

SHA256 hash: 024737a28fd89827c354f327a55139d53d31393e6fce0453063aecce11fd1485
SHA3-384 hash: cf3a2d9d82a883b70515090df43d29be4faad8975487018aa7b7be8396c381902470d8c52be32509bb3cac0b02b73dd7
SHA1 hash: b3d0259732135628c03d00d785dcfd94142c322a
MD5 hash: 1050db21a85b8504d97b6d326dfb9a04
humanhash: east-hawaii-yellow-india
File name:OmhPINdzDvWAv5I.exe
Download: download sample
Signature Formbook
File size:416'768 bytes
First seen:2021-07-14 04:56:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:6G2cMyx5lHtcco8Wchsoa4tQOcz8SfukTxjKKNj:92cXx5lHtcl8VtQeSfRTx1j
Threatray 6'443 similar samples on MalwareBazaar
TLSH T1B09402342DE91059F57BBE7959F436468ABE7F233727D02C25D2035A0E23B40CDA2A79
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OmhPINdzDvWAv5I.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 04:58:59 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 448401 Sample: OmhPINdzDvWAv5I.exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 31 www.presectfabric.com 2->31 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 11 OmhPINdzDvWAv5I.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\OmhPINdzDvWAv5I.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 15 OmhPINdzDvWAv5I.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.estateslife.com 18->33 35 estateslife.com 34.102.136.180, 49738, 80 GOOGLEUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 raserver.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-28 02:45:38 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.haulatob.com/frf/
Unpacked files
SH256 hash:
eca64662d821b93fd4577d74d72dc9ea9653e9bab182a6cbea4f6f043f25c475
MD5 hash:
5d512cf62391a47e1c3f2aaf020b4058
SHA1 hash:
4752489c68d4cfb64ad8616b9d429e2b77eeac60
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
64dd601de221aa62f1d8c5ba05c3869b3432422a7692bf6f42b8b77b0f0bbcbe
MD5 hash:
b4fb42352957563a8a63cc74ff38d274
SHA1 hash:
827ff1e2ae6d5d33fc02080d991609c5edaad9dd
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
024737a28fd89827c354f327a55139d53d31393e6fce0453063aecce11fd1485
MD5 hash:
1050db21a85b8504d97b6d326dfb9a04
SHA1 hash:
b3d0259732135628c03d00d785dcfd94142c322a
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 024737a28fd89827c354f327a55139d53d31393e6fce0453063aecce11fd1485

(this sample)

  
Delivery method
Distributed via e-mail attachment

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