MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7. 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: 81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7
SHA3-384 hash: 090feec7b5a3e0f47ce97267b3a3b5e56e5d8af012d0b8e58e75d8e7aace22f8b74caf40c8aec1a93d810cf17ce5914d
SHA1 hash: 493cefa2395033b1378a7f74da0c20a88f3139db
MD5 hash: ae25f9677f5730ec5c5f0ea75579ab11
humanhash: mirror-johnny-purple-lion
File name:ae25f9677f5730ec5c5f0ea75579ab11.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:729'088 bytes
First seen:2023-02-13 15:16:02 UTC
Last seen:2023-02-13 16:34:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:UQfHeyZh6q6/TKPzG7JTmo7F05Cqqw5VQyg9BMyFBlUFoQF6P7J3jOqO71eCZR4C:UQfHnY/TKPzG7xmoh8hqw5VQygTMUE2F
TLSH T1D2F402003AAD5B28D47E6BF42835608093397F562AA2D71D3DC671DE1E32B478366B37
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ 705125.doc
Verdict:
Malicious activity
Analysis date:
2023-02-13 08:39:25 UTC
Tags:
exploit cve-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/04b84f29-3ece-49b0-96d9-dc50b501984f

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/365142/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65481582.26275.30077.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63ea543b19bdad834635c7d7/reports/e1ba2912-8bc1-42cb-8781-fbb9d1e72b4e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/05389021-3524-4a55-b7e4-7d1007cb456c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173488
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 806278 Sample: TPdaEResBF.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 27 yrandalljohanw.fun 2->27 29 www.yrandalljohanw.fun 2->29 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 4 other signatures 2->43 9 TPdaEResBF.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\TPdaEResBF.exe.log, ASCII 9->25 dropped 55 Injects a PE file into a foreign processes 9->55 13 TPdaEResBF.exe 9->13         started        16 TPdaEResBF.exe 9->16         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 18 explorer.exe 2 1 13->18 injected process9 dnsIp10 31 www.album0186.online 46.28.106.170, 49701, 49702, 49703 WEDOSCZ Czech Republic 18->31 33 yrandalljohanw.fun 194.180.208.76, 80 PTPEU unknown 18->33 35 3 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 cmstp.exe 13 18->22         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 22->47 49 Tries to harvest and steal browser information (history, passwords, etc) 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-13 08:54:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
115
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhxlc7h43aprkqt5zq6iqoihck73u7izvi7t47untlcdiakfn23q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230213-sngkmade51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
04c51d01e14e81780bb09d209a3df3f41aff538977dc517461f720af1d9f9254
MD5 hash:
ce26a46b76aa08ab5f28d3dd91ae0a11
SHA1 hash:
721dabe74f55ffcee40e4974d152dc85b9c6c98e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e450dd1b-3fc6-4d03-801f-c3e8bf7fd852/
Parent samples :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 hash:
1681aeaf5497a7c6dfcac31e0f76d8d4532f8bb37a15d9213ea1cb9310e61260
MD5 hash:
f157f8d5bab8c393b3516c1d5fc4790a
SHA1 hash:
74c4578e3b9378d7874f8d81f4712b06a7d18b8b
Link:
https://www.unpac.me/results/e450dd1b-3fc6-4d03-801f-c3e8bf7fd852/
SH256 hash:
5ffa64a2c2881a25fe44e266f998acdd087c48958d1cd0b3abfe39768199c5a5
MD5 hash:
1222d2b64968ebff9a5e6a79981fad58
SHA1 hash:
9763bcf1f47f7522c262c061d6d7b250884d9a67
Link:
https://www.unpac.me/results/e450dd1b-3fc6-4d03-801f-c3e8bf7fd852/
SH256 hash:
c48f892ea6a012239aeeff2485d913aaa155c4c912ae0da6a101881305a6febe
MD5 hash:
0f023a04e8ea46edaecabfbc0045dbe0
SHA1 hash:
84764c2f08fca5306a63523e762a2ebb24a50b16
Link:
https://www.unpac.me/results/e450dd1b-3fc6-4d03-801f-c3e8bf7fd852/
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/e450dd1b-3fc6-4d03-801f-c3e8bf7fd852/
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
Link:
https://www.unpac.me/results/e450dd1b-3fc6-4d03-801f-c3e8bf7fd852/
SH256 hash:
81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7
MD5 hash:
ae25f9677f5730ec5c5f0ea75579ab11
SHA1 hash:
493cefa2395033b1378a7f74da0c20a88f3139db
Link:
https://www.unpac.me/results/e450dd1b-3fc6-4d03-801f-c3e8bf7fd852/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81eeb17cfcd8/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/81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7

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.

Web download

Formbook

Executable exe 81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2298641/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/365142/

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