MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c513e476fdf809457cba465d9d053a6dcef1395c4ded04ea190878ac1914cec2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c513e476fdf809457cba465d9d053a6dcef1395c4ded04ea190878ac1914cec2
SHA3-384 hash: e0a66c7d87b9798e83fb6cfd6019b9d4ed096bec686013317e82ce4e8f84584284a0528069d3c4eea5dce5b5eba90b86
SHA1 hash: e861496a0ae6e1be18bf490288f4a828b82b5260
MD5 hash: 5b7927bba74af5bdc30ce33a7f783307
humanhash: august-batman-berlin-shade
File name:PO71109.EXE
Download: download sample
Signature Formbook
Create hunting rule
File size:223'807 bytes
First seen:2021-02-03 06:16:45 UTC
Last seen:2021-02-09 15:08:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 6144:011QEsouj7NgqbEToKU7cmiGvjQSxvRASzVCvLCxOQ:sspjRrYxU7DvjnDBCjC5
Threatray 3'718 similar samples on MalwareBazaar
TLSH 4024125936E0E5F7C93356B00A3F6B3FDE66472841244743A7803E69A552FA64F2FA03
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
10
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO71109.EXE
Verdict:
Malicious activity
Analysis date:
2021-02-03 06:42:02 UTC
Tags:
loader buerloader trojan formbook stealer
Link:
https://app.any.run/tasks/23569f2d-cdbd-4cf5-ad2c-1170faf9b314

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/115252/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36286752.28357.21874.UNOFFICIAL
Create hunting rule

PUA.Win.Downloader.Soft32downloader-6691270-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
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/597433
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 347754 Sample: PO71109.EXE Startdate: 03/02/2021 Architecture: WINDOWS Score: 100 34 www.mysqltosnowflake.com 2->34 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 5 other signatures 2->50 11 PO71109.EXE 22 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\Temp\xdf.dll, PE32 11->30 dropped 32 C:\Users\user\AppData\Local\...\System.dll, PE32 11->32 dropped 60 Detected unpacking (changes PE section rights) 11->60 62 Maps a DLL or memory area into another process 11->62 64 Tries to detect virtualization through RDTSC time measurements 11->64 15 PO71109.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 36 satyam-group.com 103.102.234.253, 49766, 80 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 18->36 38 www.homeownerdefenders.net 91.195.240.94, 49765, 80 SEDO-ASDE Germany 18->38 40 22 other IPs or domains 18->40 52 System process connects to network (likely due to code injection or exploit) 18->52 22 wlanext.exe 12 18->22         started        signatures11 process12 dnsIp13 42 www.52xianju.com 22->42 54 Modifies the context of a thread in another process (thread injection) 22->54 56 Maps a DLL or memory area into another process 22->56 58 Tries to detect virtualization through RDTSC time measurements 22->58 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c513e476fdf809457cba465d9d053a6dcef1395c4ded04ea190878ac1914cec2/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-02 03:28:22 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yuj6i5x57aeuk7f2izoz2bj2nxhpcok4jxwqj2qzbb4kygiuz3ba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
f1c600a86d9492512f5c80574f885bc0b2c0f058419f58b1c8800eb6e1502713
Formbook
f5a88909c2272b7ddba37b210ca2bbf79c4baf80e51f883a36e5887183b84d3b
Formbook
+ 3'708 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/210203-r4rmdz3zda/
Behaviour
Gathers network information
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.wissinkadams.com/iae2/
Unpacked files
SH256 hash:
683cfbdaa6f90d89010bedc56f83a0ac1e8e6346ecd1549a8433c5a5379d05ea
MD5 hash:
424bda926edf2deef1d705b328718c49
SHA1 hash:
df05128fc5f1e1d2ae8eb64538d0c7d9e203f3df
Detections:
win_buer_auto
Create hunting rule
Link:
https://www.unpac.me/results/9d4d46bf-a2df-4dc0-8335-252f75675b68/
SH256 hash:
c513e476fdf809457cba465d9d053a6dcef1395c4ded04ea190878ac1914cec2
MD5 hash:
5b7927bba74af5bdc30ce33a7f783307
SHA1 hash:
e861496a0ae6e1be18bf490288f4a828b82b5260
Link:
https://www.unpac.me/results/9d4d46bf-a2df-4dc0-8335-252f75675b68/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/c513e476fdf809457cba465d9d053a6dcef1395c4ded04ea190878ac1914cec2

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

img a12d8efb7da4d0d86a4b7e8f022ba3ed5218f8871da9a92840c0bc0fce9160f8

Formbook

Executable exe c513e476fdf809457cba465d9d053a6dcef1395c4ded04ea190878ac1914cec2

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a12d8efb7da4d0d86a4b7e8f022ba3ed5218f8871da9a92840c0bc0fce9160f8
Cape
Cape
https://www.capesandbox.com/analysis/115252/

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