MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cdcb4a583816fc3478e46c2db3d523332c4e88b0335501e31a6a0bf7084871f. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cdcb4a583816fc3478e46c2db3d523332c4e88b0335501e31a6a0bf7084871f
SHA3-384 hash: 59be3ee3e97d768fa9e6f0a26bb40efd62e9295cf033fadbb1ba0331719c417922f691605367b026030f3a0c3b61232a
SHA1 hash: 29745ae5dc313e1ebd29523cd1adc373dcf46dc2
MD5 hash: ec30f0214b45d39bb8df52aef5030844
humanhash: magazine-skylark-victor-two
File name:e-Arşiv Fatura.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'081'856 bytes
First seen:2021-11-04 09:46:14 UTC
Last seen:2021-11-04 10:31:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a909072c8ac1c865a094bf6cee9a4d60 (6 x RemcosRAT, 5 x Formbook)
ssdeep 12288:JmF8ukZ1BjH652L9a3ZV6ImC/KGaIEfrcSjzMYIO3pxhOtFuhe3CL+NdJydmf:JywJjf9QVOg6zZ3nheu8swJ
Threatray 742 similar samples on MalwareBazaar
TLSH T18B35AE32B2D3A533D153013D9E1796B09D36BFF41D25FD022AA46D0F9FBA711392A982
File icon (PE):PE icon
dhash icon 697110152b2b1530 (9 x RemcosRAT, 6 x Formbook)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e-Arşiv Fatura.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-04 09:47:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3bf51f88-84f7-4493-a2e9-8aa0d40ab89b

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/202197/
Detection(s):
SecuriteInfo.com.Artemis41EC449D4CEA.23656.22528.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/6183ac17bf51178dbe4f9f1f/reports/a192afb8-703b-4054-86ec-b6f65537cb12/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/d1d1a2bf-b4ae-4dc7-ae94-4bb40cdee65d
Result
Threat name:
DBatLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/883008
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
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)
Sigma detected: Execution from Suspicious Folder
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 515442 Sample: e-Ar#U015fiv Fatura.exe Startdate: 04/11/2021 Architecture: WINDOWS Score: 100 44 cdn.discordapp.com 2->44 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 4 other signatures 2->54 9 e-Ar#U015fiv Fatura.exe 1 22 2->9         started        signatures3 process4 dnsIp5 46 cdn.discordapp.com 162.159.133.233, 443, 49815, 49819 CLOUDFLARENETUS United States 9->46 42 C:\Users\Public\Libraries\...\Lumvngco.exe, PE32 9->42 dropped 58 Writes to foreign memory regions 9->58 60 Allocates memory in foreign processes 9->60 62 Creates a thread in another existing process (thread injection) 9->62 64 Injects a PE file into a foreign processes 9->64 14 logagent.exe 9->14         started        17 cmd.exe 1 9->17         started        19 cmd.exe 1 9->19         started        file6 signatures7 process8 signatures9 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Tries to detect virtualization through RDTSC time measurements 14->70 21 explorer.exe 2 14->21 injected 72 Uses cmd line tools excessively to alter registry or file data 17->72 23 cmd.exe 1 17->23         started        26 conhost.exe 17->26         started        28 reg.exe 1 19->28         started        30 conhost.exe 19->30         started        process10 signatures11 32 Lumvngco.exe 21->32         started        34 Lumvngco.exe 21->34         started        56 Uses cmd line tools excessively to alter registry or file data 23->56 36 conhost.exe 23->36         started        38 reg.exe 1 23->38         started        40 conhost.exe 28->40         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cdcb4a583816fc3478e46c2db3d523332c4e88b0335501e31a6a0bf7084871f/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-11-04 09:47:05 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dtoljjmdqfx4gr4oi3bnwpksgmzmj2elam2vahrru2ql64eeq4pq._file
Verdict:
malicious
Similar samples:
1a261ffbe76d224c7d9f9136723f1cdf35f661d0e5a38f43a7ee2cb31606f359
Formbook
1e5bb5e00fddfcc62c8bfe71b46a4c8c6c22986c7a51931d16b8ddc465170d72
Formbook
22dd73a06a3bff8a7866c95b5191aa6a7b57d67d632b2373235e7b2ba4fd46fa
Formbook
352a416f0f48684c2694968f3752d11a98ba54b7e7739d2f91d1b49782954b07
Formbook
42e09f0e4d7ab0448e04d5d31fbc63cfb2df988f848853a5a149ff5454040184
Formbook
67c445ff181fcaa6b46a1d1af78a9df1ac413593f29561e4fa43059c7ed85ace
Formbook
7bac88aacc2d27fd9d006ba02330e09095f03a58489917d0e1ab67eecdaefee8
Formbook
c11992880daecda35958fd14fcf3b6e5d32a6bda8c904a888ede0dcbb1f91aa6
Formbook
+ 732 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/211104-lr7gwsddal/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
b54acef9838cff6393d79dda537a22d53898471f564b788cb435f9eb9c14260a
MD5 hash:
30ce6fdc8056eb47d2d9d08479cd1468
SHA1 hash:
1eb253077018219fead30b06acf756605d92dfeb
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/f16392be-a2cc-4124-8078-404dc446182d/
Parent samples :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 hash:
1cdcb4a583816fc3478e46c2db3d523332c4e88b0335501e31a6a0bf7084871f
MD5 hash:
ec30f0214b45d39bb8df52aef5030844
SHA1 hash:
29745ae5dc313e1ebd29523cd1adc373dcf46dc2
Link:
https://www.unpac.me/results/f16392be-a2cc-4124-8078-404dc446182d/
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/1cdcb4a583816fc3478e46c2db3d523332c4e88b0335501e31a6a0bf7084871f

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

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/202197/

Comments