MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc
SHA3-384 hash: 90249433e1aadc064ef3de6175e7f75a80a1d5aa2d6de547ccf9e25f38794c05b44d6a1a9c6730ee9a9c4a4fa3513199
SHA1 hash: a43eeae5e73699d1247a6dfd106ac30021dfa059
MD5 hash: 08f38a912a986c5b8c5707bfa079e183
humanhash: minnesota-beer-kansas-twenty
File name:PO#88900.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:714'752 bytes
First seen:2023-08-17 12:54:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:w2iNsXDl+CV9eIZ6Bo2OtxTGpwBgvQAY0EgarvlKd6qJ6CDCVO4z:w1gp0IZ6Bo2rEgYY9ab4ciWs
Threatray 3'553 similar samples on MalwareBazaar
TLSH T149E41280AAA96A7EC27C47F4748268513F78160FD064EEB25FD238DF7175BA421C3627
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#88900.pdf.exe
Verdict:
No threats detected
Analysis date:
2023-08-17 12:55:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b6b5e0c3-31d5-430c-b2a7-0e0fcec46518

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/443203/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc
Result
Verdict:
MALICIOUS
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/9c0c5cb0-288e-45ed-87d3-701697561fb7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1292750
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
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 steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1292750 Sample: PO#88900.pdf.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 31 www.uu4iv4.cfd 2->31 33 www.revitive.org 2->33 35 9 other IPs or domains 2->35 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 9 other signatures 2->49 10 PO#88900.pdf.exe 3 2->10         started        signatures3 process4 signatures5 61 Injects a PE file into a foreign processes 10->61 13 PO#88900.pdf.exe 10->13         started        16 PO#88900.pdf.exe 10->16         started        process6 signatures7 63 Maps a DLL or memory area into another process 13->63 65 Queues an APC in another process (thread injection) 13->65 18 oMiwLJswVws.exe 13->18 injected process8 process9 20 ipconfig.exe 13 18->20         started        signatures10 51 Tries to steal Mail credentials (via file / registry access) 20->51 53 Tries to harvest and steal browser information (history, passwords, etc) 20->53 55 Writes to foreign memory regions 20->55 57 3 other signatures 20->57 23 explorer.exe 3 1 20->23 injected 27 oMiwLJswVws.exe 20->27 injected 29 firefox.exe 20->29         started        process11 dnsIp12 37 www.hvzpw.com 63.251.106.25, 49766, 49767, 49768 VOXEL-DOT-NETUS United States 23->37 39 charcoal-id.com 202.52.146.246, 49784, 49785, 49786 GMEDIA-AS-IDGlobalMediaTeknologiPTID Indonesia 23->39 41 7 other IPs or domains 23->41 59 System process connects to network (likely due to code injection or exploit) 23->59 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-17 10:41:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3u3lkwtxqwvttnl57p65t7ztuhgb7m5mwxhzvqnrkg3qcw7jdga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
229acb9011d2cf600c9112b5f7d19cba56d9bf5ecc20880a6c760e10f685b244
Formbook
3276e7ff57ccbea104651066c1d45301d52fbfce23d0d48f5238d82a51abd852
Formbook
358659e950dae1b469fca25fb75167cae886174d21a9226fd8081fbd71d5abbc
Formbook
3931d6780f87facdf721f6e730ec38738afe7bb5378247824a1374802e2d04af
Formbook
751979a730418403c73ea0e14c8ad5d77d4fd95de07a9cc24aa3ca21650ee1e6
Formbook
b0302231ae277b08e383cef527b093307edf552a1777b5c9a088e2e1c61ad6fe
Formbook
c22f7e6ed2e27a1863b7bf519f4254afafeffc69cadbee3ff2eadd3b3ed36492
Formbook
ea2ae64afb2fe6c21176ec595cc4036a184e16c700c312aa8efa4280ab27c2c3
Formbook
f4afad610ada8c98e0e1bf3907d6ae1b3ffe56d2060df106d9336aac195a5e31
Formbook
+ 3'543 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230817-p5sgnshd67/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
bb10b477ad89015650fb879a8a299f5900f99c0b1bc8d414c5e89ba9057a599d
MD5 hash:
27ecf410d305c8f615094fcb61640acd
SHA1 hash:
1fb10246f6f2b91797a2673fe25132e8049d15c4
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/52d88b59-14d4-409a-91d2-ca915ee51ebb/
Parent samples :
358659e950dae1b469fca25fb75167cae886174d21a9226fd8081fbd71d5abbc
66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc
bd03f21ffe0e1b5628a0f890aeb7c186e2330a4e59e554f675fee7994ed3ea5d
SH256 hash:
c9024bedf1905d56f774e65c8367956747deeff556074a82f0df0b7b8b6053cd
MD5 hash:
2b56fb4c68afa5fb71d816de12331b2e
SHA1 hash:
ef6a17fe2e2a24c5150dfebe50966acd6c855fc3
Link:
https://www.unpac.me/results/52d88b59-14d4-409a-91d2-ca915ee51ebb/
SH256 hash:
7ac502038108795485db34b6756eee0f06bc5a9baa553e7ed835effff67b2551
MD5 hash:
52bedd9271b087d7026d53e43f26181f
SHA1 hash:
cc2e0ae76df9eb28057d52247a3cf3665e61d04b
Link:
https://www.unpac.me/results/52d88b59-14d4-409a-91d2-ca915ee51ebb/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/52d88b59-14d4-409a-91d2-ca915ee51ebb/
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
Link:
https://www.unpac.me/results/52d88b59-14d4-409a-91d2-ca915ee51ebb/
SH256 hash:
66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc
MD5 hash:
08f38a912a986c5b8c5707bfa079e183
SHA1 hash:
a43eeae5e73699d1247a6dfd106ac30021dfa059
Link:
https://www.unpac.me/results/52d88b59-14d4-409a-91d2-ca915ee51ebb/
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/66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc

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: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

File information

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

Malspam

Formbook

Executable exe 66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443203/

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