MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4678a529e9765c07270509abcbe33fc8bbe276d1d994f384018d1a567ef177fd. 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
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SHA256 hash: 4678a529e9765c07270509abcbe33fc8bbe276d1d994f384018d1a567ef177fd
SHA3-384 hash: 74c439b808873d03be9f70eb2bf198d179d4690c307c5527f1cc3e46aeeeffdf7ee35bd1e1a0fecb460473a14ceb8579
SHA1 hash: 83471e98e5e6fb1dfe575ac99a11d0ac98a8ac39
MD5 hash: 6c532d411e0ea074041191f5697efefc
humanhash: lamp-hotel-shade-sierra
File name:Quotation_pdf.exe
Download: download sample
Signature Formbook
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File size:1'099'264 bytes
First seen:2022-10-31 14:08:31 UTC
Last seen:2022-11-02 22:17:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:rK25NAbvwbiU54iis1dxk8i2whuJIzps71T+Vl4r8i0l80kDjARw+mH:el4ifiDdxkRuJAs7Sl4r89ZkDoZi
TLSH T11635E0E1F613C401E9D53336C2A6FB202774AEF1A9A7D60EB0C1279538433676D167AB
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 4ce8a6766981cccc (11 x Formbook, 5 x SnakeKeylogger, 3 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
394
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Quotation_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-31 14:10:44 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/d565b217-9933-44b1-925d-f50ce73efbf0

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/326448/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/635fd700ce1f43143c2a317f/reports/ade40196-eb16-4f07-aac6-bbc58f8f7e28/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bddfb831-5e6d-4e4d-bb7e-5d48140e5726
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1101740
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 734401 Sample: Quotation_pdf.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Yara detected AntiVM3 2->36 38 6 other signatures 2->38 8 Quotation_pdf.exe 3 2->8         started        process3 file4 24 C:\Users\user\...\Quotation_pdf.exe.log, CSV 8->24 dropped 54 Injects a PE file into a foreign processes 8->54 12 Quotation_pdf.exe 8->12         started        15 Quotation_pdf.exe 8->15         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Queues an APC in another process (thread injection) 12->62 17 explorer.exe 12->17 injected process8 dnsIp9 26 declancosson.com 162.144.15.77, 49695, 49696, 80 UNIFIEDLAYER-AS-1US United States 17->26 28 www.lxqlm.com 23.224.85.52, 49697, 49698, 80 CNSERVERSUS United States 17->28 30 5 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 44 Uses ipconfig to lookup or modify the Windows network settings 17->44 21 ipconfig.exe 13 17->21         started        signatures10 process11 signatures12 46 Tries to steal Mail credentials (via file / registry access) 21->46 48 Tries to harvest and steal browser information (history, passwords, etc) 21->48 50 Deletes itself after installation 21->50 52 2 other signatures 21->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4678a529e9765c07270509abcbe33fc8bbe276d1d994f384018d1a567ef177fd/
Threat name:
Win32.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-10-31 08:32:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iz4kkkpjozoaojyfbgv4xyz7zc56e5wr3gkphbabrunfm7xro76q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:wzic rat spyware stealer trojan
Link:
https://tria.ge/reports/221031-rf4vhsbbb9/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/edd0e240-2e02-4a14-b70c-1dc1630ff69e
Unpacked files
SH256 hash:
6244f258a42f79e2ff980979d5cc9d1950f1e8a67542484d9476076e5badfb0a
MD5 hash:
00a1865dced8a05e125d22e9e5d1f78d
SHA1 hash:
796c2e9fa9f124479f519ce2aa26f4d0f55615b5
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7191bf93-e2bb-43f4-98b8-c181b4672fa9/
SH256 hash:
11bca7a6c82c3ad2fb6f364fd106cf4656eda0932e359697697bc37530f718a8
MD5 hash:
75ccf96c0a22ad7c9893bae317061ddd
SHA1 hash:
78fb98ff24bd84ad27b1a25ab0ff5168d30d3a21
Link:
https://www.unpac.me/results/7191bf93-e2bb-43f4-98b8-c181b4672fa9/
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
Link:
https://www.unpac.me/results/7191bf93-e2bb-43f4-98b8-c181b4672fa9/
SH256 hash:
0995d6fdb356014f35238edfaee4cff36d63ea188ce08958f74d63b304254dc1
MD5 hash:
f19642ab01a71c3f1a7aa2bb1da102ad
SHA1 hash:
e91d990c00e58af9e6c274d9e64223c660c02922
Link:
https://www.unpac.me/results/7191bf93-e2bb-43f4-98b8-c181b4672fa9/
SH256 hash:
9d7fce68e0953fc4a0ef83faec6800e7d9deb211a2dc0dd03c6a49bbf31b6d05
MD5 hash:
5c8d9370f988d50138e9e50568061d10
SHA1 hash:
cc76069ddedbb6cfeec9cd3374bbff287591dfa2
Link:
https://www.unpac.me/results/7191bf93-e2bb-43f4-98b8-c181b4672fa9/
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
Link:
https://www.unpac.me/results/7191bf93-e2bb-43f4-98b8-c181b4672fa9/
SH256 hash:
4678a529e9765c07270509abcbe33fc8bbe276d1d994f384018d1a567ef177fd
MD5 hash:
6c532d411e0ea074041191f5697efefc
SHA1 hash:
83471e98e5e6fb1dfe575ac99a11d0ac98a8ac39
Link:
https://www.unpac.me/results/7191bf93-e2bb-43f4-98b8-c181b4672fa9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4678a529e976/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/4678a529e9765c07270509abcbe33fc8bbe276d1d994f384018d1a567ef177fd

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
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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/326448/

Comments