MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 587a6b12b5dd959905f2c40a59808ae47129bab72f9e88ef427d199cad19f910. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 587a6b12b5dd959905f2c40a59808ae47129bab72f9e88ef427d199cad19f910
SHA3-384 hash: bca0a308875567a99ed675ae393ff3425f15eacab752d7d4d0dca1b548d00f191a3cdd51d465f24c61741c53019e4502
SHA1 hash: 6578a0443823fc3c1cebd16f7ae9e620187c25b6
MD5 hash: aa61e82d6a43b343af7cc481549c3851
humanhash: enemy-missouri-march-uniform
File name:SecuriteInfo.com.Win32.PWSX-gen.26247
Download: download sample
Signature Formbook
Create hunting rule
File size:883'200 bytes
First seen:2022-09-19 12:51:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:cNoyH3orUN8elC5t2ulzosk5UNdjG08CGC7WXU:9yH3os8mC5t2oosrdjG08CGC7WE
TLSH T1FC1512806F31D023CD518C735EAB7901DA725B8371EE2E52D48738492F6527AEAE748F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8aa7839bae32328e (17 x AveMariaRAT, 6 x Formbook, 3 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.26247
Verdict:
Malicious activity
Analysis date:
2022-09-19 12:57:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fb7bfd3b-004d-4c5a-ac37-8ee3efaba772

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/311336/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.26247.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
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/63286672397677696531ffed/reports/b26eb0d2-e30d-46db-b86b-38be71365e1c/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/731fbc8f-e50a-4a74-b962-0ab3ed9d3643
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1072958
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/587a6b12b5dd959905f2c40a59808ae47129bab72f9e88ef427d199cad19f910/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2022-09-19 10:24:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lb5gwevv3wkzsbpsyqfftaek4rystovxf6pir32cpumzzliz7eia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dn12 rat spyware stealer trojan
Link:
https://tria.ge/reports/220919-p33vmahef6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0e76970e-5352-4fa0-952b-1f3e78e01e6e
Unpacked files
SH256 hash:
b446b3f4307621b7c4975549a3e08aabd2f4e803c4d01a151742d082b34e4494
MD5 hash:
913984f4f3cbf54c99263b3478ea00de
SHA1 hash:
d7a71214576e6dcec2ac8388e32525f3f44a4d4e
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4acdde75-1a42-4ea1-9d87-ac16c6a32579/
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/4acdde75-1a42-4ea1-9d87-ac16c6a32579/
SH256 hash:
282d8d3c2d3129be3144f7ba77c5b1451327706db0dc49c1ed0d2702cdcbb68c
MD5 hash:
b3c1912e6c6790b903d655b06644fe2f
SHA1 hash:
91565c821764f5b60836f7416a4c231211693327
Link:
https://www.unpac.me/results/4acdde75-1a42-4ea1-9d87-ac16c6a32579/
SH256 hash:
587a6b12b5dd959905f2c40a59808ae47129bab72f9e88ef427d199cad19f910
MD5 hash:
aa61e82d6a43b343af7cc481549c3851
SHA1 hash:
6578a0443823fc3c1cebd16f7ae9e620187c25b6
Link:
https://www.unpac.me/results/4acdde75-1a42-4ea1-9d87-ac16c6a32579/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/587a6b12b5dd/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/587a6b12b5dd959905f2c40a59808ae47129bab72f9e88ef427d199cad19f910

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest3
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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/311336/

Comments