MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8c2a1409f24c060fd370bd8f85577480d0ad909b97840fe344e85bf149f9a9e. 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: a8c2a1409f24c060fd370bd8f85577480d0ad909b97840fe344e85bf149f9a9e
SHA3-384 hash: 0c1061c3e94cc70d0f333f85d265bcada9b8acecdc82318d6cb201096b055e82a370f8308e079526faef9fe2f9c210f5
SHA1 hash: 9cf5c1bb5947d8c2477cc29532ef00069d7142ed
MD5 hash: 991285d689d12f6426cdea615b617184
humanhash: mockingbird-minnesota-oscar-south
File name:SecuriteInfo.com.Win32.RATX-gen.29361.31892
Download: download sample
Signature Formbook
Create hunting rule
File size:882'688 bytes
First seen:2022-12-13 11:32:52 UTC
Last seen:2022-12-13 15:57:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:QBp9CRw+y6xtWTkVOLIMN/yoJyUGrlmq4Q+2uTYsKX9vueDjd0g5eiRpDB:PRw+yiEkUDN/NJyU8UJrg9vuct
TLSH T1BC15225F098C35E3DD6445F4C496120813B2E9463243DBBC8CDBB478CAB63ED866DA6B
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)
File icon (PE):PE icon
dhash icon 303edcda9adc3e30 (15 x AgentTesla, 7 x Formbook, 5 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.29361.31892
Verdict:
Suspicious activity
Analysis date:
2022-12-13 11:34:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/791ff2d7-f835-41ec-9198-a23e4908595e

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/345810/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.29361.31892.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/639862f104e0e79bdf42ad93/reports/f5a71b35-12f6-40e1-9f1e-af877e0514ff/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/686dc753-15ef-4f8b-b914-9b333671b7de
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1133348
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8c2a1409f24c060fd370bd8f85577480d0ad909b97840fe344e85bf149f9a9e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-13 10:28:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdbkcqe7etagb7jxbpmpqvlxjagqvwijxf4eb7ruj2c36fe7tkpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/221213-nnvp2aee58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ce0ba74f-4776-43b9-9333-f310c84b7605
Unpacked files
SH256 hash:
c58dbc1ba81d9c9c1dee9a968ca6d2f46dee8115bf29b42964f7d4bda097b836
MD5 hash:
e9eab4803307453c1e28aefe14871a16
SHA1 hash:
63c21c49e534bbb36c8087868acd34b8bb09f160
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/384f3a54-0590-4865-a53c-36d0a00511d6/
Parent samples :
a8c2a1409f24c060fd370bd8f85577480d0ad909b97840fe344e85bf149f9a9e
387c69c93ac63ae91f92f918bb92940a91f5ddd9b75180ae9be2465ed79e8f66
SH256 hash:
367570a340d0d65874ed782f1abe5dbb17069c18579d8be2459db44dfaa04d2a
MD5 hash:
292095428aa4444c2dac9bbfdcc7d945
SHA1 hash:
17edfa619432a69e5459427e7541c5d46cdb21cf
Link:
https://www.unpac.me/results/384f3a54-0590-4865-a53c-36d0a00511d6/
SH256 hash:
35cad145efd0b5b6396491150d2e307d4cb5e06d4f1b41aa310393c6dce520b9
MD5 hash:
56f8354a2e307e73243ff0056295fedd
SHA1 hash:
ed3257769ea438e1b5e86c3ef033e2deca86e239
Link:
https://www.unpac.me/results/384f3a54-0590-4865-a53c-36d0a00511d6/
SH256 hash:
887298753913cc983e27ae2959ccb0745d91c9e12a44c15369d7a882d6287fd5
MD5 hash:
7fffb48c2fd29c13a187208553414c4a
SHA1 hash:
8ce45bfc06eb6f355aaac70555f17e4321849a5a
Link:
https://www.unpac.me/results/384f3a54-0590-4865-a53c-36d0a00511d6/
SH256 hash:
576327d1a3b2e3f2d9030602b4acc1fc18d595087c93cf76620546dbe4157f0b
MD5 hash:
4813f6418f4e8c35848fecabe109a854
SHA1 hash:
0f356406bb429e3c00478f23717def8ebeaefcb7
Link:
https://www.unpac.me/results/384f3a54-0590-4865-a53c-36d0a00511d6/
SH256 hash:
a000e28f51f40830d58c277f38b69a9621cd261df82876289ea6e3080ff76928
MD5 hash:
9dbcdd52743d0ccf5ac7223d758a3fc7
SHA1 hash:
01ab24d6591d5d866d179951c39be031ed951508
Link:
https://www.unpac.me/results/384f3a54-0590-4865-a53c-36d0a00511d6/
SH256 hash:
a8c2a1409f24c060fd370bd8f85577480d0ad909b97840fe344e85bf149f9a9e
MD5 hash:
991285d689d12f6426cdea615b617184
SHA1 hash:
9cf5c1bb5947d8c2477cc29532ef00069d7142ed
Link:
https://www.unpac.me/results/384f3a54-0590-4865-a53c-36d0a00511d6/
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/a8c2a1409f24c060fd370bd8f85577480d0ad909b97840fe344e85bf149f9a9e

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.

Cape
Cape
https://www.capesandbox.com/analysis/345810/

Comments