MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d13d4b6f1f4dc4f66b7a93d72eba7dd5051164277a40e3776a70298ac7cd54dd. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d13d4b6f1f4dc4f66b7a93d72eba7dd5051164277a40e3776a70298ac7cd54dd
SHA3-384 hash: 9b1ea97fd2761c3e028416d88cf6e7a83f29afb37e068e35d8b5834c81a195a0f3a8027c5db1eca5f3a6ae1b496e0504
SHA1 hash: a7e7893775dd137f0eb7b4fded7e13c37cf544e5
MD5 hash: a6cf3746b66c33ac4d81673ffb63dc48
humanhash: oscar-jersey-wolfram-edward
File name:ESP670924.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:307'200 bytes
First seen:2023-06-13 08:42:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:4VFAzCT4Xci9plw4WbzvOW9VIV0eS1/BUqpR2p4ZuPRy:cAGEscplCbS+zKQYy
TLSH T1F564017D19BF75B5D8A99E3D3C631409063028EB2D42E3563CCA20BD9B22B375991CE7
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
278
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ESP670924.exe
Verdict:
Malicious activity
Analysis date:
2023-06-13 08:43:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/27217d0c-26b3-44d3-89e5-0038c40da248

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/398160/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29085.28733.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64882c189f45f940f553bd25/reports/527cd9b3-0b7f-4b53-aabb-8811465b134c/overview
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.AWU trojan
Link:
https://www.hybrid-analysis.com/sample/d13d4b6f1f4dc4f66b7a93d72eba7dd5051164277a40e3776a70298ac7cd54dd
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/32bb77d6-5ebb-4a68-850a-2b178016132a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1253453
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d13d4b6f1f4dc4f66b7a93d72eba7dd5051164277a40e3776a70298ac7cd54dd/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-13 08:43:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2e6uw3y7jxcpm232spls5ot52ucrczbhpjaog53koauyvr6nktoq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230613-kmklwsga41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
8ffd5e196aeab8c63166a7df6c664d680bb5084725887786641dfee2f3b8e1a8
MD5 hash:
079693d4675ed68b3dcab62298671662
SHA1 hash:
1590e1ddb774bc7e0b6d2b3ff1c0bee2005d1f1a
Link:
https://www.unpac.me/results/8978482a-f23c-4a71-926f-0b8989255e96/
SH256 hash:
a440b5929848e6071f401a94fc1a040f14094bf7701b151ff409aeaa60e05f95
MD5 hash:
909be53831182d523ccea3c428d59c4f
SHA1 hash:
8f8f99a97544638bdfc02b5f8054f833f46eccaa
Link:
https://www.unpac.me/results/8978482a-f23c-4a71-926f-0b8989255e96/
SH256 hash:
45973b14b438b9601d47bfb55a50f49f920de20752c014ded33673738e370a7c
MD5 hash:
dd191dcbdfb457f5550eb14f3c0a8e8c
SHA1 hash:
6f8bcf4a19dd7e37d8adfc0bda0208804741af47
Link:
https://www.unpac.me/results/8978482a-f23c-4a71-926f-0b8989255e96/
SH256 hash:
d13d4b6f1f4dc4f66b7a93d72eba7dd5051164277a40e3776a70298ac7cd54dd
MD5 hash:
a6cf3746b66c33ac4d81673ffb63dc48
SHA1 hash:
a7e7893775dd137f0eb7b4fded7e13c37cf544e5
Link:
https://www.unpac.me/results/8978482a-f23c-4a71-926f-0b8989255e96/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d13d4b6f1f4d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d13d4b6f1f4dc4f66b7a93d72eba7dd5051164277a40e3776a70298ac7cd54dd

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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

Formbook

Executable exe d13d4b6f1f4dc4f66b7a93d72eba7dd5051164277a40e3776a70298ac7cd54dd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/398160/

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