MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e. 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: 93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
SHA3-384 hash: 8b6c48d09d0b6f1b9c46ee97ebe8c170dba193e05aff58291f69139d3b4091535c177ae76241f09d0dc3c16df634086f
SHA1 hash: 8aa64735c8ba5a38a4438b40adfabb17d14208a4
MD5 hash: 9af3decbbd26bf35fc99b948caf85bf4
humanhash: lamp-steak-papa-kentucky
File name:RECHNUNG0028377387.exe
Download: download sample
Signature Formbook
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File size:1'234'432 bytes
First seen:2023-02-13 08:45:12 UTC
Last seen:2023-02-13 12:01:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:KYXVQ57j10pizRsndjCVM3Ui/5xJWUMwQhrb:7S5eiFsdGVM3HxJxMwQhP
TLSH T1B245E04A3F3C8946E5282D794CB75A2F03399C5098ACD686EE773DE52E336C17C161CA
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)
File icon (PE):PE icon
dhash icon b0b036323236b0b0 (1 x NetWire, 1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
193
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
RECHNUNG0028377387.exe
Verdict:
Malicious activity
Analysis date:
2023-02-13 08:46:50 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/cda9d2e0-8968-41d4-8b34-69259afa31c8

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/364899/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.8458.15595.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
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/16e10767-ef82-48a8-ba6c-9b429a33ee9e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173167
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 805957 Sample: RECHNUNG0028377387.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 5 other signatures 2->42 10 RECHNUNG0028377387.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\RECHNUNG0028377387.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 RECHNUNG0028377387.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 4 1 14->17 injected process8 dnsIp9 30 arooshclothing.com 191.101.13.249, 49685, 80 ASDETUKhttpwwwheficedcomGB Chile 17->30 32 www.jimmyd.one 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2023-02-13 08:08:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=spuwibbd7nfp55ojevptjcnpqc3zmfuwgugpbqymwkkxcg5vbkha._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:js46 rat spyware stealer trojan
Link:
https://tria.ge/reports/230213-kpavgaca66/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
a395f70826175766d57faa6371167ff2d8dbc2c6594058c531c435347af311cd
MD5 hash:
6ab5a0873461582424efc7a2d53dc4fa
SHA1 hash:
f552f6007193ddac184ddafdd7a833ef9dcbe445
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/92dcb33d-850a-41c1-8100-0335e701af34/
Parent samples :
b23e4e553efdd3445b9bededca79d9da171576dab9602e9437cf8980c7fff918
93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
SH256 hash:
12de6fcd64feeb1a960b018f301136f4a5a7d2248566f54e66dccc97e9db1e40
MD5 hash:
d7ebdf9bf15432e28e47c94f9a578d63
SHA1 hash:
9a016269c1d399717fb0f51d46a724b5a84bed0e
Link:
https://www.unpac.me/results/92dcb33d-850a-41c1-8100-0335e701af34/
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/92dcb33d-850a-41c1-8100-0335e701af34/
SH256 hash:
61964d5b6ae851f6847fae9a76ed5031af71bc717fe297e2bb5f7f1af0fc2e2b
MD5 hash:
f6953c0fbd913d7ce8a5761a2b31360d
SHA1 hash:
1c4c66b2b2491ea7f6958359811d5252f4ecc8c2
Link:
https://www.unpac.me/results/92dcb33d-850a-41c1-8100-0335e701af34/
SH256 hash:
8f0c7e3047346b8d6477ff6d4639fd6157602c7ebc840f3432b99263f1cb415c
MD5 hash:
e5b073b30db1b058298f5df032164e4d
SHA1 hash:
15d3ada4e7ac01b766615b9b66785e7e2ae9b0ca
Link:
https://www.unpac.me/results/92dcb33d-850a-41c1-8100-0335e701af34/
SH256 hash:
93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
MD5 hash:
9af3decbbd26bf35fc99b948caf85bf4
SHA1 hash:
8aa64735c8ba5a38a4438b40adfabb17d14208a4
Link:
https://www.unpac.me/results/92dcb33d-850a-41c1-8100-0335e701af34/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/93e9640423fb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e

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
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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 93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/364899/

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