MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332
SHA3-384 hash: 966ddcd91235b9b907c262b42e9ad9be2187d1c24a64df81896964d10357784af59ae42db05d08f64e43dc3f7dd8888d
SHA1 hash: fcb722c33da880c90f0fde6a9da94e605cbaa73f
MD5 hash: 911f3507b253e06151bb5dee5807bb72
humanhash: three-eleven-oklahoma-alpha
File name:Chipmall PO-N7839200.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:677'376 bytes
First seen:2022-05-24 06:08:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1Spsk3Afxnv4FkNwrqGm8zo0/lAikY+yeXRkZ9x4ZKTx1hao:1SaOAfxv4FkNCJmk8iktFXReGKTxLao
Threatray 12'780 similar samples on MalwareBazaar
TLSH T155E4018033B69F97EC395FF958545A1127B4A2622D61EB081DE5B0FB4EA2F00C5C6E4B
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 d2961d3133038ee8 (24 x AgentTesla, 18 x FormBook, 8 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Chipmall PO-N7839200.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 06:11:09 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/e39ba4e6-be17-471c-aea4-83bac8fee5fd

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/273955/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/628c769c054dcf0ecae68cac/reports/410563b1-37ff-4efe-b2f9-adfabca952e6/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d29a702c-6545-4dbf-8542-ca12d7fdc79a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000390
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632886 Sample: Chipmall PO-N7839200.exe Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 10 other signatures 2->61 10 Chipmall PO-N7839200.exe 7 2->10         started        process3 file4 41 C:\Users\user\AppData\Roaming\YudYquYn.exe, PE32 10->41 dropped 43 C:\Users\user\AppData\Local\...\tmp2809.tmp, XML 10->43 dropped 45 C:\Users\...\Chipmall PO-N7839200.exe.log, ASCII 10->45 dropped 63 Adds a directory exclusion to Windows Defender 10->63 14 Chipmall PO-N7839200.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 73 Modifies the context of a thread in another process (thread injection) 14->73 75 Maps a DLL or memory area into another process 14->75 77 Sample uses process hollowing technique 14->77 79 Queues an APC in another process (thread injection) 14->79 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 msiexec.exe 18 21->27         started        31 autofmt.exe 21->31         started        file10 47 C:\Users\user\AppData\...\779logrv.ini, data 27->47 dropped 49 C:\Users\user\AppData\...\779logri.ini, data 27->49 dropped 65 Detected FormBook malware 27->65 67 Tries to steal Mail credentials (via file / registry access) 27->67 69 Tries to harvest and steal browser information (history, passwords, etc) 27->69 71 Maps a DLL or memory area into another process 27->71 33 cmd.exe 27->33         started        36 explorer.exe 2 159 27->36         started        signatures11 process12 dnsIp13 53 Tries to harvest and steal browser information (history, passwords, etc) 33->53 39 conhost.exe 33->39         started        51 192.168.2.1 unknown unknown 36->51 signatures14 process15
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 01:05:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ujpys47mtl2vxvjyftc6pskjl3onrjjrdvrs2yd54tbfxnfbemza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
107d68c6296491ef2507347077005737d0c8f39f9c2695282c90bf61baf67d84
FormBook
212a9d67f119355da790e8449b6978f357d46bb671d7e038444ad1eae5995bdc
FormBook
5938c544d44a8b9714eb80c498d7cbb327b55d8176541118394d3357727f3d28
FormBook
ace8cc8c63d042c7a8a617005e2cf551185e8b1491aed4a91d56c6f44be62912
FormBook
c7fbbdd84572a117d47a54168e71b8bd86f0c70198468486f6c3a040e9ecc310
FormBook
edc8375d2a96c96eb0d3b8c7acfba4a9ba7f602deb4a2738d4ff07f0ee129e98
FormBook
+ 12'770 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:e934 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220524-gwfgrababm/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
cdcea37abce473eaaab9c24324e22c63bb581e3b97980d1d73e5ddd426e71897
MD5 hash:
f171b37db36f271c812b067a010446df
SHA1 hash:
3c280176ea2a5ddbee38710889ba890ea8f69d8e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/da109257-586e-46de-8ab8-9a87a7baabc6/
Parent samples :
0a4a31c38a5ea9eb589521b2839b995e0270e6dc07405fb27dabd01d18d90b51
1aedec4c789a2833e781fce06c81c709c4c8cef42f9b1fe2a2b61f9bb836cbee
212a9d67f119355da790e8449b6978f357d46bb671d7e038444ad1eae5995bdc
a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332
60612eca6fac7085f8747d9943939ea995ad836c5cc314fdb283f8e2463672d6
84347c5247f07c3563add6a525c9fae350a5130b062431af0f1646be6c31ee51
SH256 hash:
2af8d4f73ccf9708e449f3284140d4ec239e18348d099c0456f5fc23b19f4950
MD5 hash:
cee6eddfa8fd213f4de1a317d3b73c96
SHA1 hash:
91166968608b5c0dbc64f371fbab8940541d6078
Link:
https://www.unpac.me/results/da109257-586e-46de-8ab8-9a87a7baabc6/
SH256 hash:
43251db5ed4d7b97ddc0f8f7516fb2bdec39a5657af90ee699837360a3d76970
MD5 hash:
a937e7cb637e30ac616c1cff3cb63a07
SHA1 hash:
73b89e964acf5a053c38206263706f91ce94ea39
Link:
https://www.unpac.me/results/da109257-586e-46de-8ab8-9a87a7baabc6/
SH256 hash:
72c91fdad59e06742ab11408962929f766b4fbe34e6b4e730dfb02707c08a430
MD5 hash:
06b823e64681bae033de886e22f0c8b6
SHA1 hash:
0791fc63e09cf5b5e77ebebf46271b7e66a39c7c
Link:
https://www.unpac.me/results/da109257-586e-46de-8ab8-9a87a7baabc6/
SH256 hash:
a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332
MD5 hash:
911f3507b253e06151bb5dee5807bb72
SHA1 hash:
fcb722c33da880c90f0fde6a9da94e605cbaa73f
Link:
https://www.unpac.me/results/da109257-586e-46de-8ab8-9a87a7baabc6/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a25f8973ec9a/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/a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332

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.

Malspam

FormBook

Executable exe a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/273955/

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