MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633
SHA3-384 hash: 25c2c59c0661a19a6baccf2ae89f91a28ca2c6756b67a110feb8be27e89772cf98a189d8f7c0da3eec67fcb51b7e9d6e
SHA1 hash: c21f63f9ea5270d86d366943c1ed6831b2524fcd
MD5 hash: 8d0c62cf03c1e8b8edc0af522e5ca38a
humanhash: four-mike-tennessee-moon
File name:PO8765.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:516'608 bytes
First seen:2022-05-16 05:46:26 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:/O4eSNlN1/NSXtq6icABsMuNn12wX4EGfjfYzSV5:3eslf/+hiSlN7EjfcSD
TLSH T140B41248B3FA5636C03F0676E26D5C2909BAB5118472FE683CD630AE0D77B449F4897A
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 c0b0c6c8a896a0c0 (20 x AgentTesla, 19 x Formbook, 12 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO_QO9P5594.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-17 00:29:06 UTC
Tags:
encrypted trojan exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/55193d1b-6613-45c2-8f9a-f23299226f28

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/270885/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6281e55e22b733139c1f65a9/reports/abba40f6-0e5e-4f8a-868a-ae7a76cfd4ec/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/4a943904-380f-4371-95bd-f80b4812d2d0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994582
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 627075 Sample: PO8765.exe Startdate: 16/05/2022 Architecture: WINDOWS Score: 100 29 www.marine-struct.net 2->29 31 www.gipfelstuermer.online 2->31 33 4 other IPs or domains 2->33 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 10 PO8765.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\PO8765.exe.log, ASCII 10->27 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 14 PO8765.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 cmstp.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Self deletion via cmd delete 17->39 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Tries to detect virtualization through RDTSC time measurements 17->45 23 cmd.exe 1 17->23         started        35 www.mrmoustachecat.com 94.136.40.51, 49805, 80 GD-EMEA-DC-LD5GB United Kingdom 20->35 37 www.gdjr58.com 154.219.67.110, 49804, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 02:07:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=muzo6uvw3rcystebmeff6knn662wndneaff5bo7fjhzrmv5yayzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mczr loader rat suricata
Link:
https://tria.ge/reports/220516-ggvm5ahhbm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6c798def3c23c25f051c013ff3416c940838f255ef4874ebe83cd847064e8d89
MD5 hash:
f591706d8889373fea81b4db7a94fc80
SHA1 hash:
f0648f98fe2870cdb15575cb311c63cd5f1c5084
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dd17bea3-ecd7-43ae-9af3-479b3d778745/
Parent samples :
6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633
5a4ae03f91651565110206dc65675925684c17315ef97e2bac31612f04585288
SH256 hash:
89ca9a44859389dd06fd2d7c04b9feb66efae8662ac875302779188e9c6d7e45
MD5 hash:
bd70f1d5e622d21dfb30b6c4ca1f0402
SHA1 hash:
b9a12d977fecca6ce15b8c35b1eda005e279b39f
Link:
https://www.unpac.me/results/dd17bea3-ecd7-43ae-9af3-479b3d778745/
SH256 hash:
709fdbef8932044e42231f14888aa12b12ddc571e6daba8af86d624a39fa63bf
MD5 hash:
a7a6647650fe0204d1ab042824d638be
SHA1 hash:
a1194aba19ab6190a412073fe1918cd1b559aacf
Link:
https://www.unpac.me/results/dd17bea3-ecd7-43ae-9af3-479b3d778745/
SH256 hash:
5d8983f8edef7e6a4472576e3b3b183b4e9782e2e9f042fef47308fa89e907fa
MD5 hash:
b39714c7e07cd9f7f5fbc37d25306ce2
SHA1 hash:
2fc1a2daed87cf4e3fcc247ed0768d7367bae0ed
Link:
https://www.unpac.me/results/dd17bea3-ecd7-43ae-9af3-479b3d778745/
SH256 hash:
6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633
MD5 hash:
8d0c62cf03c1e8b8edc0af522e5ca38a
SHA1 hash:
c21f63f9ea5270d86d366943c1ed6831b2524fcd
Link:
https://www.unpac.me/results/dd17bea3-ecd7-43ae-9af3-479b3d778745/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6532ef52b6dc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633

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

Formbook

Executable exe 6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
URLhaus
https://urlhaus.abuse.ch/url/2176419/
Cape
Cape
https://www.capesandbox.com/analysis/270885/

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