MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a65e94056f4196ac076a6cbd588bd094edb4f7dc9d9f5e1691817a4abc70be4b. 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 5 File information Comments

SHA256 hash: a65e94056f4196ac076a6cbd588bd094edb4f7dc9d9f5e1691817a4abc70be4b
SHA3-384 hash: f855318b1330588362c8f68e650dc318ff7ed7afc8ce70bf3b498ced8db5db4b5537b7dfc552b7ea00c83a07872fe99d
SHA1 hash: 175a9e22d556eac65eb42cae14328d5ed9fd4943
MD5 hash: 78a80774c30ca4d0808fa1d32ab3633e
humanhash: louisiana-comet-east-bluebird
File name:owen.exe
Download: download sample
Signature Formbook
File size:211'135 bytes
First seen:2021-06-30 12:24:53 UTC
Last seen:2021-06-30 12:35:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 3072:rBkfJpRXATwMdFCcG2Gonbaghb+IatL3XCSEA5rNyZmDsPOhSAqpu+9cJxVCbKL/:rqjIs29aI+IadH1E4yZIhSLxcyc/zBJ
Threatray 6'105 similar samples on MalwareBazaar
TLSH DA24F192DB9085D7DA651770857B2E3B16ABAE3491B2620F5B8CB7363B370D3602F103
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
owen.exe
Verdict:
Malicious activity
Analysis date:
2021-06-30 12:28:25 UTC
Tags:
n/a

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
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 dropped file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 442349 Sample: owen.exe Startdate: 30/06/2021 Architecture: WINDOWS Score: 100 31 www.forward.school 2->31 33 ghs.googlehosted.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 5 other signatures 2->47 11 owen.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\diejc.dll, PE32 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 owen.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 fiat500usedparts.com 81.169.145.66, 49771, 80 STRATOSTRATOAGDE Germany 18->35 37 www.redwoodag.com 205.178.189.131, 49777, 80 DEFENSE-NETUS United States 18->37 39 17 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 explorer.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       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-30 03:24:04 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.forward.school/a8si/
Unpacked files
SH256 hash:
8c35c0091801aeb65368babddb0b91f3457d52cf7830d34e5759c402f38a5198
MD5 hash:
00d4fcfa40d6fbdb163fa6d466f71571
SHA1 hash:
34dc1f3dc071eafd85661d3c97b72dd3d49d9088
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
5fb06313c4e48b534bb28f7de1ec57d84440bc327c58fe7db49d8232485a19e6
MD5 hash:
78a9deef77513132949e1cbc1839035e
SHA1 hash:
0564f28c579f17407f07a75678f00933e1249bf3
SH256 hash:
a65e94056f4196ac076a6cbd588bd094edb4f7dc9d9f5e1691817a4abc70be4b
MD5 hash:
78a80774c30ca4d0808fa1d32ab3633e
SHA1 hash:
175a9e22d556eac65eb42cae14328d5ed9fd4943
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

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