MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa8af7d536784e3cf37f4a5011112d9ad3eb8d91c5b786ad6ad0ca9a1cdb173f. 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


StormKitty


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa8af7d536784e3cf37f4a5011112d9ad3eb8d91c5b786ad6ad0ca9a1cdb173f
SHA3-384 hash: d06c833d9034345776c6a9c29748f4d496f2e8b69941df95bba1913f5fbf47202de8f735cd0198a3f42e48b1bc92212e
SHA1 hash: 5a915f628f4e92f65a2796c84dc93fabf27d8cf0
MD5 hash: 732cf8e4705bae9c302edb49b8966698
humanhash: emma-carolina-louisiana-angel
File name:Remittance Advice.exe
Download: download sample
Signature StormKitty
Create hunting rule
File size:737'280 bytes
First seen:2023-06-02 06:08:45 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:DEtg7l7xdvo/MdyrhFgtDsuBHsSj5J4+saBGh4Ch6AxAyu85dfZYeW5Jr3GOqcWq:Dx9BqmycgiH75BqhBxAyuChKdTSDcW0D
Threatray 2'120 similar samples on MalwareBazaar
TLSH T1CAF40229AEBF9927C106FF781270927996FCD610F06BCADBDD931C6FD819A3058401A3
TrID 53.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe StormKitty

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance Advice.exe
Verdict:
Malicious activity
Analysis date:
2023-06-02 06:09:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/767b0afd-a60f-4da6-9b7d-d7da9de16a9f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/394689/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30871.16767.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64798780078a7888a41cb517/reports/45f6a92c-f1df-41a4-aed9-f577580bd67d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/aa8af7d536784e3cf37f4a5011112d9ad3eb8d91c5b786ad6ad0ca9a1cdb173f
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e20d6b0d-7205-440a-9685-dec7e2404e7c
Result
Threat name:
Snake Keylogger, StormKitty
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1247398
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 880418 Sample: Remittance_Advice.exe Startdate: 02/06/2023 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 8 other signatures 2->61 7 Remittance_Advice.exe 7 2->7         started        11 wWinqjnqBtdhfy.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\wWinqjnqBtdhfy.exe, PE32 7->35 dropped 37 C:\...\wWinqjnqBtdhfy.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp105C.tmp, XML 7->39 dropped 41 C:\Users\user\...\Remittance_Advice.exe.log, ASCII 7->41 dropped 63 May check the online IP address of the machine 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Adds a directory exclusion to Windows Defender 7->67 13 Remittance_Advice.exe 15 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        27 2 other processes 7->27 69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 21 wWinqjnqBtdhfy.exe 14 2 11->21         started        23 schtasks.exe 1 11->23         started        25 wWinqjnqBtdhfy.exe 11->25         started        signatures5 process6 dnsIp7 43 argona.ro 85.120.58.161, 26, 49693, 49698 DIALTELECOMRO Romania 13->43 45 checkip.dyndns.org 13->45 47 checkip.dyndns.com 158.101.44.242, 49692, 80 ORACLE-BMC-31898US United States 13->47 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        49 checkip.dyndns.org 21->49 51 132.226.247.73, 49694, 80 UTMEMUS United States 21->51 53 192.168.2.1 unknown unknown 21->53 73 Tries to steal Mail credentials (via file / registry access) 21->73 75 Tries to harvest and steal browser information (history, passwords, etc) 21->75 33 conhost.exe 23->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa8af7d536784e3cf37f4a5011112d9ad3eb8d91c5b786ad6ad0ca9a1cdb173f/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-02 04:40:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vkfppvjwpbhdz437jjibcejntlj6xdmryw3ynllk2dfjuhg3c47q._file
Verdict:
malicious
Similar samples:
0807202daf2095810fdbc78ccf60ed83368e84da1f89d7215f9bac6590b40b7d
StormKitty
1f53cffa281a18eec6149e2fc33e25cb597281c536825156696a5fb6f48b59a1
StormKitty
4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8
StormKitty
6076d3956e79dc8752564da23a3dfa0100509b647128e82552bd234e5fa61ae8
StormKitty
a44320330ed902d953b355c6f795742ff5f0c0f0548ded9cb2e5edfd7e255502
StormKitty
ae5276221d11792a6242379a4111aa92c79256724b593408e8a02b585279b94e
StormKitty
b324b97f06340df9c5abdcae3f7522fc3d5c66ac3b6b75dadeb83f133862cb82
StormKitty
b3a7ea821b270c6288e2fa8cd820c1c131db61954e2ef048dab82a5ef4c6ac64
StormKitty
e21548973f158e8fbc7b0cd460019fb0d378ceb55f20a49b6ae346520e1f58b2
StormKitty
fa989fd0420cc6d370817298eb5983e7a5d5fb9d63712f635c20bef5abb58eef
StormKitty
+ 2'110 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger family:stormkitty collection keylogger spyware stealer
Link:
https://tria.ge/reports/230602-gwfshsab72/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
StormKitty
StormKitty payload
Unpacked files
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
Link:
https://www.unpac.me/results/bf029d21-2708-4adf-b3c2-b3ca38b62b5b/
SH256 hash:
14bfdceb647e333ba5fb94d60cbc3a590f88eb9707625c9d4bb77aeeedc3b7c9
MD5 hash:
7fed8a24309c5bc972d1f063e5e01c7e
SHA1 hash:
af89346948d2144a37766a84459f40f67f4bb120
Detections:
snake_keylogger
Create hunting rule
Link:
https://www.unpac.me/results/bf029d21-2708-4adf-b3c2-b3ca38b62b5b/
Parent samples :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 hash:
62868f95da8eaf1cac009f3c70392aeceb6431e21ded1752e48e92d38ea19925
MD5 hash:
cd9c78ea5917d78c259170cd5c312b15
SHA1 hash:
a38c2e17076485e05ef54fc09d601ecc9aa5c295
Link:
https://www.unpac.me/results/bf029d21-2708-4adf-b3c2-b3ca38b62b5b/
SH256 hash:
59c15353394e2a3ed293c8194a0a40b1c29822ec2caec7e0e9213b9e2a7b3e24
MD5 hash:
2e652bdb9c25b7bbc36bcba66b3a5233
SHA1 hash:
77af9e048e1bb927c102bbf531f21af295a45072
Link:
https://www.unpac.me/results/bf029d21-2708-4adf-b3c2-b3ca38b62b5b/
SH256 hash:
63924abf6097f671b7811eb095c55c26689bd0aaaf227e6049f1a1f090b0ed32
MD5 hash:
d144777693540be7e5b96b9468523ea1
SHA1 hash:
1e9000c81d8fda97c0c0ed83101d4e107e86da11
Link:
https://www.unpac.me/results/bf029d21-2708-4adf-b3c2-b3ca38b62b5b/
SH256 hash:
aa8af7d536784e3cf37f4a5011112d9ad3eb8d91c5b786ad6ad0ca9a1cdb173f
MD5 hash:
732cf8e4705bae9c302edb49b8966698
SHA1 hash:
5a915f628f4e92f65a2796c84dc93fabf27d8cf0
Link:
https://www.unpac.me/results/bf029d21-2708-4adf-b3c2-b3ca38b62b5b/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa8af7d53678/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/aa8af7d536784e3cf37f4a5011112d9ad3eb8d91c5b786ad6ad0ca9a1cdb173f

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: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

StormKitty

Executable exe aa8af7d536784e3cf37f4a5011112d9ad3eb8d91c5b786ad6ad0ca9a1cdb173f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/394689/

Comments