MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea
SHA3-384 hash: e6d0ff91f5c975ce67f8f855f262b1099c2b060924f44b1515dc046be56e15662da458594f62f023db513f9ede9e0224
SHA1 hash: 5d552d40d6a90228e3f8b966fd692e95d260fb75
MD5 hash: 3397b57a42cb05a380177d2bab39a680
humanhash: princess-freddie-wolfram-oven
File name:e-dekont.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:262'153 bytes
First seen:2023-07-19 12:52:32 UTC
Last seen:2023-07-20 10:04:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6Y7B0EzGGFHcJPm4G6uZhASdaVnFKJZ2LgENxgAx2:/YOb8+4G6YwRFKJ40gB0
Threatray 3'352 similar samples on MalwareBazaar
TLSH T11E4412603970C16BE8625731277E0706AAB7D92659EC870F9B604E0DBC332D3DE2E756
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
277
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
e-dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 13:01:50 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/12fa00d1-49e8-4813-976d-9808009769e1

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/424878/
Detection(s):
SecuriteInfo.com.Zum.Androm.1.4409.29524.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64b7dcaffd9e198dc1161202/reports/f9eb007f-805d-4767-aded-99faf627bb26/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/18dc4792-8431-44c4-acfc-026c7ea9f4da
Result
Threat name:
FormBook, NSISDropper
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1276065
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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 dropped file
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
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1276065 Sample: e-dekont.exe Startdate: 19/07/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 e-dekont.exe 18 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\kixtpo.dll, PE32 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->54 56 Maps a DLL or memory area into another process 10->56 58 Tries to detect virtualization through RDTSC time measurements 10->58 14 e-dekont.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 2 1 14->17 injected process8 dnsIp9 30 www.stotalav.com 17->30 32 www.alphataxfiler.com 46.30.213.141, 49722, 80 ONECOMDK Denmark 17->32 34 11 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 rundll32.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
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea/
Threat name:
Win32.Ransomware.FormBook
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Status:
Malicious
First seen:
2023-07-19 10:19:36 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vlsfa6zvtgi6xnyqfmstd6jzc6g3raicvrtlkmd6l2qglwkghhva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
12077ad53e55f9c2878d1da0293d91afc1ea75571368844a4d8675ac8ca7ba58
Formbook
190ab20809cf0e5dee4860df81f3151e95b23f9840f02ab3e9ad2f7cc02f46d5
Formbook
4061f4ecc5f9ea83a7f8f3c084b3999dae002d26c1dc62d7ddecd2c5f21a26c2
Formbook
7bf47a92fadd875caa70db94a8ef153f7e63296357619e23a27b2d4e0a6a2bde
Formbook
88c0a4f198b99be42be456d49cd61731bec58522a81fc170ef44f92296a39e04
Formbook
88dab0ee02a70b83cb4c99ffa6e809c2789c9e1d55cdcd92454f73bf9d5effa4
Formbook
8c0d07e1007f0ca5c49e068f7bcf93dbad6b1ed222e1b168183f3705bafc5673
Formbook
b0d24f4ca574f8e54fc1e23097d9f6b45ec8c37e7732e43a96daea3179b44aa8
Formbook
ead9b9c37d63a3b18959e6f4926d76364408f76ed882fad8e8b34ec496702bda
Formbook
ebc47d50c4ca732ef1da156f4284c35025bcbee243a8c5e022f3d1ffd1b50895
Formbook
+ 3'342 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b0y4 rat spyware stealer trojan
Link:
https://tria.ge/reports/230719-p4l89sfb64/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
560a9b0e9d5d406af75baa86e522139291f063b7d2662b88a89978a34a7eacf9
MD5 hash:
2a7a16c0b7f755e0ba6fcc523b1b7d39
SHA1 hash:
3bbce8f98dfa8ecb00aad81a1e6708cd4cd5077d
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3b0c9185-83a4-48da-a9dc-24d63a71d12d/
Parent samples :
190ab20809cf0e5dee4860df81f3151e95b23f9840f02ab3e9ad2f7cc02f46d5
7bf47a92fadd875caa70db94a8ef153f7e63296357619e23a27b2d4e0a6a2bde
aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea
e205d9c4dd9d23e24942ad2d1439821f4fef2b7743e60a9731af35198a95eb5b
5bad70f6450f10a687e5fd74019fbfa8efc9a70069c049b252dd0e2d0fd932ac
SH256 hash:
e5a981dbeb21959aeb09eb311a570b59357844f1b1bc91f04845f467aff1517a
MD5 hash:
d255f3450642a88c195b561b0fcd6f21
SHA1 hash:
7b7398e19221d4f8c154611e067b5d13130a3ab5
Link:
https://www.unpac.me/results/3b0c9185-83a4-48da-a9dc-24d63a71d12d/
SH256 hash:
aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea
MD5 hash:
3397b57a42cb05a380177d2bab39a680
SHA1 hash:
5d552d40d6a90228e3f8b966fd692e95d260fb75
Link:
https://www.unpac.me/results/3b0c9185-83a4-48da-a9dc-24d63a71d12d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aae4507b3599/report/overview.html
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/aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe aae4507b359991ebb7102b2531f939178db88102ac66b5307e5ea065d94639ea

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/424878/

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