MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7. 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


ResolverRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7
SHA3-384 hash: b9d987d8513cfc054c0e0891566ed450e7009fdf7908aa2a829248aba500769d104862f8d3fe252e6d03732f64afda49
SHA1 hash: 5937f09acdfa2600f3472426d0f614028edc948a
MD5 hash: 9510b61cc3bfe86e63e4c56cc280cb40
humanhash: saturn-vegan-jersey-summer
File name:transferencia interbancaria (BBVA).exe
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:81'920 bytes
First seen:2025-09-02 16:55:45 UTC
Last seen:2025-09-03 07:30:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:2IJdvG8U2raIzK/WizyJ3wcgvcBZ4suqTTwJleR:HqRnyJBBZ41leR
Threatray 674 similar samples on MalwareBazaar
TLSH T10983C607BAAA85B1C64857F6C4EB482013F4D6C1F753D72F788E235A1843BFE894466B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe ResolverRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
transferencia interbancaria (BBVA).exe
Verdict:
No threats detected
Analysis date:
2025-09-02 16:58:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d375569d-8f22-4806-90d9-9914accda4d4

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/24785/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.218163.28538.4474.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b721983e988eb6ab839af3
Tags:
autorun virus msil
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 net_reactor obfuscated packed
Link:
https://www.filescan.io/uploads/68b721c639a6221faa7ae812/reports/5840a180-5d75-4476-9208-65e5b5953c33/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-02T13:09:00Z UTC
Last seen:
2025-09-02T13:09:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/05b3d7fd-601e-4205-830f-c0549e50e989
Result
Threat name:
DarkCloud, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1769747
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1769747 Sample: transferencia interbancaria... Startdate: 02/09/2025 Architecture: WINDOWS Score: 100 30 www.arcon.com.pe 2->30 32 showip.net 2->32 34 arcon.com.pe 2->34 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected ResolverRAT 2->44 46 12 other signatures 2->46 8 wscript.exe 1 2->8         started        11 transferencia interbancaria (BBVA).exe 15 5 2->11         started        signatures3 process4 dnsIp5 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->54 56 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->56 15 TypeId.exe 14 2 8->15         started        38 arcon.com.pe 192.99.207.151, 443, 49685, 49692 OVHFR Canada 11->38 24 C:\Users\user\AppData\Roaming\TypeId.exe, PE32 11->24 dropped 26 C:\Users\user\...\TypeId.exe:Zone.Identifier, ASCII 11->26 dropped 28 C:\Users\user\AppData\Roaming\...\TypeId.vbs, ASCII 11->28 dropped 18 InstallUtil.exe 16 11->18         started        file6 signatures7 process8 dnsIp9 58 Multi AV Scanner detection for dropped file 15->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->60 62 Writes to foreign memory regions 15->62 64 Injects a PE file into a foreign processes 15->64 21 InstallUtil.exe 14 15->21         started        36 showip.net 162.55.60.2, 49688, 49693, 80 ACPCA United States 18->36 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->66 68 Tries to steal Mail credentials (via file / registry access) 18->68 signatures10 process11 signatures12 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->48 50 Tries to steal Mail credentials (via file / registry access) 21->50 52 Tries to harvest and steal browser information (history, passwords, etc) 21->52
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.42 Win 32 Exe x86
Link:
https://app.malva.re/file/9510b61cc3bfe86e63e4c56cc280cb40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-09-02 16:56:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d6o2jh3cgygsackavrnl4ojw4shun3dspbz4j4j6ih7buwbtqgtq._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
purecrypter
Create hunting rule
Similar samples:
091e27447a439cf6edb67f7d30b25531563d6dcc43348502de7e4a0925a52fdc
ResolverRAT
0eeb4d57a938c639ea9d8c9bd557f8540ce29017414ba7801b4c15e42e4c08ed
ResolverRAT
4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb
ResolverRAT
95926de79055494e25750033367473688c20d71842433d41c48cd787b4639131
ResolverRAT
b14f1cf2267f8da0efbb9f5ae9a51a18e94e25e37db2f339a8bf7c9c04a2772b
ResolverRAT
c61ffb93ac7626531c54270b1b95dcdc22ec6e189053c4b79a2aa490d0c46518
ResolverRAT
e733b5d3f57e88dce901c45eeae3de358de460cc107c6c51ed2e8ebaf0ba25c9
ResolverRAT
error
ResolverRAT
+ 664 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250902-vfjfcsyzbv/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5a22c0e8-7c73-4be5-9c0c-f1bb4f62baab
Unpacked files
SH256 hash:
1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7
MD5 hash:
9510b61cc3bfe86e63e4c56cc280cb40
SHA1 hash:
5937f09acdfa2600f3472426d0f614028edc948a
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/0eab341e-0bf6-41f9-a7e8-9b99464f2ac9/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f9da49f6236/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/1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:NET
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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Malspam

ResolverRAT

Executable exe 1f9da49f62360d200940ac5abe3936e48f46ec727873c4f13e41fe1a583381a7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24785/

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