MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97. 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


AgentTesla


Vendor detections: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97
SHA3-384 hash: d46ce7830e7aabeb538e17c759700d9a6e210f3ad6f51be6969c6f201f975328a4ab54077160f5befacb5899adf45358
SHA1 hash: c8a19377290f40717436f20bd9c4b51d8bc59839
MD5 hash: 691b4b4b867a616583ce9465cd75b056
humanhash: tango-jersey-arizona-sixteen
File name:z21REПОКУПКАТОВАРОВ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:994'816 bytes
First seen:2023-09-08 13:23:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:x+3m1B2gAFN+wF8q1KZDvFPmLKh64lQH0pN5hzISl:x+3m1BLAF4wF+DNyKhfw0Jhz
Threatray 93 similar samples on MalwareBazaar
TLSH T14B2542FC5CFC1136D9A0EE908ED9851BB1C0A57FF285AC1D97E20B650252A4AF88753F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
z21REПОКУПКАТОВАРОВ.exe
Verdict:
Malicious activity
Analysis date:
2023-09-08 13:26:19 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/84e9dc04-3e15-4caf-a968-ca3470378a41

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/447436/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Porcupine.MSIL.GenKryptik.GNNX.166031.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae073eb3-c42e-4bd2-a117-5ea3d3752f34
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1306182
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1306182 Sample: z21RE#U041f#U041e#U041a#U04... Startdate: 08/09/2023 Architecture: WINDOWS Score: 100 62 www.prim-stak.site 2->62 80 Snort IDS alert for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 10 other signatures 2->86 11 z21RE#U041f#U041e#U041a#U0423#U041f#U041a#U0410#U0422#U041e#U0412#U0410#U0420#U041e#U0412.exe 7 2->11         started        15 evfTRpDCOjOp.exe 5 2->15         started        signatures3 process4 file5 52 C:\Users\user\AppData\...\evfTRpDCOjOp.exe, PE32 11->52 dropped 54 C:\Users\user\AppData\Local\...\tmpA605.tmp, XML 11->54 dropped 94 Uses schtasks.exe or at.exe to add and modify task schedules 11->94 96 Writes to foreign memory regions 11->96 98 Allocates memory in foreign processes 11->98 100 Adds a directory exclusion to Windows Defender 11->100 17 RegSvcs.exe 11->17         started        20 RegSvcs.exe 11->20         started        22 BackgroundTransferHost.exe 11->22         started        31 4 other processes 11->31 102 Multi AV Scanner detection for dropped file 15->102 104 Injects a PE file into a foreign processes 15->104 25 RegSvcs.exe 15->25         started        27 schtasks.exe 1 15->27         started        29 wuapihost.exe 15->29         started        signatures6 process7 dnsIp8 66 Modifies the context of a thread in another process (thread injection) 17->66 68 Maps a DLL or memory area into another process 17->68 70 Sample uses process hollowing technique 17->70 72 Queues an APC in another process (thread injection) 17->72 33 explorer.exe 1 1 17->33 injected 74 Tries to detect virtualization through RDTSC time measurements 20->74 64 tse1.mm.bing.net 22->64 37 conhost.exe 27->37         started        39 conhost.exe 31->39         started        41 conhost.exe 31->41         started        signatures9 process10 dnsIp11 56 td-ccm-neg-87-45.wixdns.net 34.149.87.45, 49729, 80 ATGS-MMD-ASUS United States 33->56 58 www.123washingtondcseo.xyz 13.248.169.48, 49752, 80 AMAZON-02US United States 33->58 60 5 other IPs or domains 33->60 76 System process connects to network (likely due to code injection or exploit) 33->76 78 Performs DNS queries to domains with low reputation 33->78 43 wlanext.exe 33->43         started        46 raserver.exe 33->46         started        signatures12 process13 signatures14 88 Modifies the context of a thread in another process (thread injection) 43->88 90 Maps a DLL or memory area into another process 43->90 92 Tries to detect virtualization through RDTSC time measurements 43->92 48 cmd.exe 43->48         started        process15 process16 50 conhost.exe 48->50         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-09-06 23:45:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ookcrufhhyrh3zof2mvc5hfxwxnmzy3m2sgalthcdyw54kdtbklq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
11b7ed15ae6b1bb53ad3eeff567acb939f794bfdf067b6c3c07c19a15a02fb8f
AgentTesla
2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
AgentTesla
2e6817886ae8c6bfaf55499d950bb963b5c176dd5adb5a9dfb8cde49d5bf394d
AgentTesla
5cbfb7154648241fbec88e87e2ea973816c38ee892344bd742dfc4aeb044fae3
AgentTesla
a200ca72553397e7d6a4c746a52411f62819d7860e7330e2d45df32f3c952dfa
AgentTesla
b3938532376b8d895ba266de98386155798e984764ea778c43a842a3124ccfde
AgentTesla
ba5cfc9373499678bbd2a9ca62e554be9c114d913cf97c00822917226df0bbe2
AgentTesla
c22f7e6ed2e27a1863b7bf519f4254afafeffc69cadbee3ff2eadd3b3ed36492
AgentTesla
efd586fdc04eae13911a3f2638cb478edb6c952716e3279d854c4d855a9a70c1
AgentTesla
+ 83 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d0i9 rat spyware stealer trojan
Link:
https://tria.ge/reports/230908-qnc64abh8t/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
e97015efa7b3c6373206d9f8e70ecd94da555837d3bdba4d301b73384490fbe9
MD5 hash:
3201888be03eda737b8f62aba68f9199
SHA1 hash:
9b64226fb85b69e2af66ce64ffdd90c54010e854
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/63f9027a-864a-43cb-86e3-60062fd0fafa/
Parent samples :
a200ca72553397e7d6a4c746a52411f62819d7860e7330e2d45df32f3c952dfa
ba5cfc9373499678bbd2a9ca62e554be9c114d913cf97c00822917226df0bbe2
5cbfb7154648241fbec88e87e2ea973816c38ee892344bd742dfc4aeb044fae3
c22f7e6ed2e27a1863b7bf519f4254afafeffc69cadbee3ff2eadd3b3ed36492
2e6817886ae8c6bfaf55499d950bb963b5c176dd5adb5a9dfb8cde49d5bf394d
7fba8c621fc9192e73139b70878ccf8ed761b025fe13bef1bf74e1d5181ae48b
739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97
SH256 hash:
6af01b7a4480488b477eabc8a68a03a23506bda5d4673210373acc69af950dec
MD5 hash:
2548f69e11411efdc600985cfb3d9f99
SHA1 hash:
8423e8a405f354d573fc285f85b879a50fb2feb5
Link:
https://www.unpac.me/results/63f9027a-864a-43cb-86e3-60062fd0fafa/
SH256 hash:
55ea20faf9b0c8c00f3d3ea16ff5bfd836fa99f1941946885d45240d2f681f4c
MD5 hash:
eec54763c3b2e33ba860048ffe88f910
SHA1 hash:
8034038ca99a91c8fdf69b1bc745e9dcdaac02e4
Link:
https://www.unpac.me/results/63f9027a-864a-43cb-86e3-60062fd0fafa/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/63f9027a-864a-43cb-86e3-60062fd0fafa/
SH256 hash:
739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97
MD5 hash:
691b4b4b867a616583ce9465cd75b056
SHA1 hash:
c8a19377290f40717436f20bd9c4b51d8bc59839
Link:
https://www.unpac.me/results/63f9027a-864a-43cb-86e3-60062fd0fafa/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/739428d0a73e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

AgentTesla

Executable exe 739428d0a73e227de5c5d32a2e9cb7b5dacce36cd48c05cce21e2dde28730a97

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/447436/

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