MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a7ac36779e8df2854cd900ef836e9ba34ec63f7831ab3dc8862f75007841682. 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


BazaLoader


Vendor detections: 4


Intelligence 4 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a7ac36779e8df2854cd900ef836e9ba34ec63f7831ab3dc8862f75007841682
SHA3-384 hash: fadb0634d5c963da95354b3005121cf8ad7caa1b722858646b5058b9d9a12e523de13be37ddbd5efc3b821283b2cd56e
SHA1 hash: 101fd95a1bf7e1a8ca8dd8b532c7cdca13f99ae6
MD5 hash: 987460a06683ea111a7ea34f7147d827
humanhash: ohio-nevada-robert-harry
File name:1a7ac36779e8df2854cd900ef836e9ba34ec63f7831ab3dc8862f75007841682.dll
Download: download sample
Signature BazaLoader
Create hunting rule
File size:247'818 bytes
First seen:2021-08-02 19:37:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:1yDxQe6tQD0u3EzAgdzF8iAYdDYR1GwrH+uZWHXkKvxl4msi9kDxw48K2XE:1uxQeEUp3wCAu1dDZeDsvxT8KiE
Threatray 1 similar samples on MalwareBazaar
TLSH T148347DA2A6F038D5FAD6CC3EC72BB764E60F55333E1298C161F61EC246259D29E13913
Reporter Anonymous
Tags:BazaLoader exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a7ac36779e8df2854cd900ef836e9ba34ec63f7831ab3dc8862f75007841682.dll
Verdict:
No threats detected
Analysis date:
2021-08-02 19:39:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3985f0be-1bd2-4fe6-9e43-e75bc1f94444

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/175876/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Transferring files using the Background Intelligent Transfer Service (BITS)
Connection attempt
Launching a process
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
Bazar Loader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825727
Signature
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Detected Bazar Loader
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Sample uses process hollowing technique
Sets debug register (to hijack the execution of another thread)
Sigma detected: CobaltStrike Load by Rundll32
Sigma detected: Regsvr32 Command Line Without DLL
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to resolve many domain names, but no domain seems valid
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 458139 Sample: 9L57Ec0QJn.dll Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 34 yrekom.bazar 2->34 36 wyygyw.bazar 2->36 38 28 other IPs or domains 2->38 56 Sigma detected: CobaltStrike Load by Rundll32 2->56 58 Sigma detected: Suspicious Svchost Process 2->58 60 Sigma detected: Regsvr32 Command Line Without DLL 2->60 8 loaddll64.exe 1 2->8         started        10 rundll32.exe 2->10         started        12 rundll32.exe 2->12         started        signatures3 62 Detected Bazar Loader 36->62 64 Tries to resolve many domain names, but no domain seems valid 36->64 process4 process5 14 regsvr32.exe 14 8->14         started        18 rundll32.exe 8->18         started        20 iexplore.exe 2 83 8->20         started        22 7 other processes 8->22 dnsIp6 52 143.198.58.231, 443, 49737, 49764 LDCOMNETFR United States 14->52 54 192.168.2.1 unknown unknown 14->54 72 Contains functionality to inject code into remote processes 14->72 74 Sets debug register (to hijack the execution of another thread) 14->74 76 Writes to foreign memory regions 14->76 84 2 other signatures 14->84 24 svchost.exe 14->24         started        78 System process connects to network (likely due to code injection or exploit) 18->78 80 Allocates memory in foreign processes 18->80 82 Modifies the context of a thread in another process (thread injection) 18->82 28 svchost.exe 18->28         started        30 iexplore.exe 7 151 20->30         started        32 rundll32.exe 22->32         started        signatures7 process8 dnsIp9 40 yzygre.bazar 24->40 42 yztwyyw.bazar 24->42 48 57 other IPs or domains 24->48 66 System process connects to network (likely due to code injection or exploit) 24->66 68 Detected Bazar Loader 24->68 44 geolocation.onetrust.com 104.20.185.68, 443, 49730, 49731 CLOUDFLARENETUS United States 30->44 46 img.img-taboola.com 30->46 50 12 other IPs or domains 30->50 signatures10 70 Tries to resolve many domain names, but no domain seems valid 42->70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a7ac36779e8df2854cd900ef836e9ba34ec63f7831ab3dc8862f75007841682/
Threat name:
Win64.Trojan.Kryplod
Create hunting rule
Status:
Malicious
First seen:
2021-08-02 19:38:05 UTC
AV detection:
3 of 46 (6.52%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
a66f69b2c2320fa2bb4b6ab429dd318903db14a56418acc54ecffac8c9592afe
BazaLoader
Result
Malware family:
bazarbackdoor
Create hunting rule
Score:
  10/10
Tags:
family:bazarbackdoor backdoor
Link:
https://tria.ge/reports/210802-hjc4zqzk4j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Bazar/Team9 Backdoor payload
BazarBackdoor
Unpacked files
SH256 hash:
1a7ac36779e8df2854cd900ef836e9ba34ec63f7831ab3dc8862f75007841682
MD5 hash:
987460a06683ea111a7ea34f7147d827
SHA1 hash:
101fd95a1bf7e1a8ca8dd8b532c7cdca13f99ae6
Link:
https://www.unpac.me/results/40277545-4ee4-4a3a-902e-aecefecb5119/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
Link:
https://yomi.yoroi.company/submissions/1a7ac36779e8df2854cd900ef836e9ba34ec63f7831ab3dc8862f75007841682

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/175876/

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