MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 689fe883a7c0b817fd2327a3586d20670efce67e1c8d4d485ade465c7ef7f572. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 689fe883a7c0b817fd2327a3586d20670efce67e1c8d4d485ade465c7ef7f572
SHA3-384 hash: 3a85b8321d7a78c8e6c879fa7b5d62bb532e3a09f9d5bb0bef7f719a3baae67818ec53279710d152db5bafb16cdd1674
SHA1 hash: eae4970baa028a2a9af8cef744d39822504db36b
MD5 hash: 6d957c6a1dceaad71a755682d83b0ecd
humanhash: glucose-cola-zebra-mockingbird
File name:Purchase Order#081622.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:739'328 bytes
First seen:2022-08-16 04:42:54 UTC
Last seen:2022-09-06 05:40:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:pTV1ki32Bhe4OrOOlmEGVZjyM+SAgz/kciSy7kffMzPncEc8+/S:lVui32beFOuUGM+Sx8cid7CMPnV3
TLSH T1AEF4121962F8022AE8BE0BFFADD846101B71B677A513E35D4E5570C52D33B978F1A20B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
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)
File icon (PE):PE icon
dhash icon 6810606161706800 (6 x Formbook, 5 x Loki, 2 x NanoCore)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Purchase Order#081622.exe
Verdict:
Malicious activity
Analysis date:
2022-08-16 04:43:44 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/bd4c9766-41ee-4e27-9e37-45c439676ee6

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/298854/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32050.27444.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fb20957a5eee50480e6606/reports/1d864838-599f-48fc-958a-b63f38d9b412/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/df15724b-d6f7-4889-b496-44e1dc8db68f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1052000
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 684510 Sample: Purchase Order#081622.exe Startdate: 16/08/2022 Architecture: WINDOWS Score: 100 25 www.blackout.shopping 2->25 27 www.suntastic-solar.energy 2->27 29 2 other IPs or domains 2->29 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 7 other signatures 2->51 8 Purchase Order#081622.exe 3 2->8         started        signatures3 process4 file5 23 C:\Users\...\Purchase Order#081622.exe.log, ASCII 8->23 dropped 53 Injects a PE file into a foreign processes 8->53 12 Purchase Order#081622.exe 8->12         started        15 Purchase Order#081622.exe 8->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 12->55 57 Maps a DLL or memory area into another process 12->57 59 Sample uses process hollowing technique 12->59 61 Queues an APC in another process (thread injection) 12->61 17 help.exe 13 12->17         started        20 explorer.exe 12->20 injected process9 dnsIp10 35 Tries to steal Mail credentials (via file / registry access) 17->35 37 Tries to harvest and steal browser information (history, passwords, etc) 17->37 39 Deletes itself after installation 17->39 43 2 other signatures 17->43 31 www.injuryrefferalgroup.com 81.17.18.198, 49797, 80 PLI-ASCH Switzerland 20->31 33 www.tbwtaobao.org 35.215.136.44, 49809, 80 GOOGLE-2US United States 20->33 41 System process connects to network (likely due to code injection or exploit) 20->41 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/689fe883a7c0b817fd2327a3586d20670efce67e1c8d4d485ade465c7ef7f572/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-16 02:08:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ncp6ra5hyc4bp7jde6rvq3jam4hpzzt6dsgu2sc23zdfy7xx6vza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220816-fb83wscchr/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
72bf57d78131d7028e157416c015035ec069f3b86390bd51b9b38d5444c94800
MD5 hash:
af85f5b361c847e39f46ee881cb5f6a0
SHA1 hash:
866cdbc2d0c6b28808b0bc15a23d1f00972a58f1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/49198dd4-d491-4af8-8774-42f6ac5bd43a/
Parent samples :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 hash:
fb78b9242c3667dc014b418e461bbada8ad2b8ecf984da370cf503545c99353a
MD5 hash:
d0be3098c860bf1e4147167877d92f36
SHA1 hash:
cf82fb897fb60319c7057859b895a67a58e21c1b
Link:
https://www.unpac.me/results/49198dd4-d491-4af8-8774-42f6ac5bd43a/
SH256 hash:
f1c5ade2bd0976e487b124b1c24771c5e71b72c5b61e02d2037e6c6782f42446
MD5 hash:
fa7fe859c4c9faa2b9e96ce3335500ba
SHA1 hash:
7897417fd6306dda8f090fd914077d119403faf9
Link:
https://www.unpac.me/results/49198dd4-d491-4af8-8774-42f6ac5bd43a/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/49198dd4-d491-4af8-8774-42f6ac5bd43a/
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
Link:
https://www.unpac.me/results/49198dd4-d491-4af8-8774-42f6ac5bd43a/
SH256 hash:
689fe883a7c0b817fd2327a3586d20670efce67e1c8d4d485ade465c7ef7f572
MD5 hash:
6d957c6a1dceaad71a755682d83b0ecd
SHA1 hash:
eae4970baa028a2a9af8cef744d39822504db36b
Link:
https://www.unpac.me/results/49198dd4-d491-4af8-8774-42f6ac5bd43a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/689fe883a7c0b817fd2327a3586d20670efce67e1c8d4d485ade465c7ef7f572

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
Create hunting rule
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 689fe883a7c0b817fd2327a3586d20670efce67e1c8d4d485ade465c7ef7f572

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298854/

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