MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4
SHA3-384 hash: 3a5530b65826a6de38e27d2660406eb045389a8e74496079f392a4af59d4f158f6590866c0a2cdcd5836af29225dea04
SHA1 hash: 251f0ae7e9a0681849df5b742ec3a35be3e5f813
MD5 hash: e73751f55731c2840cc0781c59ba32cc
humanhash: winter-kilo-nevada-island
File name:PO-10152022.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'060'352 bytes
First seen:2022-09-27 09:53:11 UTC
Last seen:2022-09-30 13:45:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mIo2BQHgO+vRBHomnsLnaecAdOYLYUZADqjJ5nboxQ35gw0gAf2RERSN5la4AHS7:mIfBQHUBH/sWepZZpjrbB5d
TLSH T1EB35085831E6329EF46BC6B58FD87CF59A56F672431F5177607302898B2ED82CE80872
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 3b67173b1b1f2f3b (13 x AgentTesla, 7 x BlackMatter, 3 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/313897/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
cmd.exe hacktool packed
Link:
https://www.filescan.io/uploads/6332c83b622c8ea9ede99b5d/reports/47d10915-53c9-4929-af73-9e167e326549/overview
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/3ef74536-1a55-4f85-96e9-214b332d2fcd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1078205
Signature
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 domain / URL
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: 710750 Sample: PO-10152022.exe Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 33 www.inhomeyoga.com 2->33 35 inhomeyoga.com 2->35 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 5 other signatures 2->45 9 PO-10152022.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\PO-10152022.exe.log, ASCII 9->25 dropped 55 Injects a PE file into a foreign processes 9->55 13 PO-10152022.exe 9->13         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 16 explorer.exe 13->16 injected process9 dnsIp10 27 www.leadmachine.uk 79.170.40.4, 49700, 49701, 49702 GD-EMEA-DC-LD5GB United Kingdom 16->27 29 virusalert.online 2.57.90.16, 49699, 80 AS-HOSTINGERLT Lithuania 16->29 31 www.virusalert.online 16->31 37 System process connects to network (likely due to code injection or exploit) 16->37 20 chkdsk.exe 13 16->20         started        23 autoconv.exe 16->23         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49 51 Modifies the context of a thread in another process (thread injection) 20->51 53 Maps a DLL or memory area into another process 20->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-09-26 11:40:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5fr4l5ht3bodwtfjpuivqskavgsjtz73re2ivdfu6vhojhwdowsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gski rat spyware stealer trojan
Link:
https://tria.ge/reports/220927-lw7nfsecbl/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b358f880-d45d-4bdf-99fe-255a874772ea
Unpacked files
SH256 hash:
5ac02f9abe3b1262391f7afd9f98bf12d6563ee4573541543325efabdb8a4ad9
MD5 hash:
40d864607e4e2320b5d9ba501ce55d76
SHA1 hash:
539fe585d996159e4042c5927438a8aa871135a3
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3e4bbc9b-6dad-4e24-ae5d-ede0c1840272/
Parent samples :
26ee13ceb4c1b409a14de72d0cf8e1f3b0cb4d92a416b8618cff800df7762fb1
e7ec471b7564c94d45aa5524f4205cfdc38f60965d5052144e667a643c543895
a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42
e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4
cee39c6232758ab3a4fee85e0cb63cc70e7247e2afc8e52e440ceb4039eee90c
96c2f6719306e60120f214c54417de3819cb61d1a6b80bbcd177be659beeeacb
SH256 hash:
264e396c8f72224deb3cd6aa6337f75fd5264307b7a0f9bf67176885c0ca307e
MD5 hash:
eb2e990cfdca07815bfb34e63d437494
SHA1 hash:
32b4f5f78b6d168c20573563e067a835d46955b8
Link:
https://www.unpac.me/results/3e4bbc9b-6dad-4e24-ae5d-ede0c1840272/
SH256 hash:
02688bbfcd4e0732bd23b507b802c66df42e22522a44ed1c21c75c914870d49a
MD5 hash:
a2356647016376696c2f0aa79e805228
SHA1 hash:
75e57d3b0e4957de41ea08c3c4e6ca1ffe7c6da2
Link:
https://www.unpac.me/results/3e4bbc9b-6dad-4e24-ae5d-ede0c1840272/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/3e4bbc9b-6dad-4e24-ae5d-ede0c1840272/
SH256 hash:
e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4
MD5 hash:
e73751f55731c2840cc0781c59ba32cc
SHA1 hash:
251f0ae7e9a0681849df5b742ec3a35be3e5f813
Link:
https://www.unpac.me/results/3e4bbc9b-6dad-4e24-ae5d-ede0c1840272/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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

zip fb33f24fd025bcf46e5d9d3f4086bffa7c3067e002190d6057ddd311e988ff80

Formbook

Executable exe e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/313897/
  
Dropped by
SHA256 fb33f24fd025bcf46e5d9d3f4086bffa7c3067e002190d6057ddd311e988ff80
  
Dropped by
MD5 30a07d121cc79144479d9a29a579e1f0

Comments