MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346
SHA3-384 hash: 3957179cae9ebbc6d2a43a7d9dab2e4b905f1958cbbcb6862049cdb6df806e8b00d6b52b11d86ef0a326dcda16220390
SHA1 hash: aab348d33cafec70d106f22df4da09e1f98cc26c
MD5 hash: 86eb99da387c1c3dd5b592e7b0a5594d
humanhash: summer-sink-crazy-twelve
File name:some one.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:309'368 bytes
First seen:2023-01-30 09:03:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya63rGGg+kn/BQ4jnZdFmW5l+i2LELjlXSaqQpkVGD:/Y9inn5Q4jZdFmW5l+i2Y//qQa2
TLSH T14E6422157AF0C466DCF317302E3527566BF5D81128A9AF2F53200BAEB9213CB961F7A1
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
some one.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 09:10:24 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/46191e47-7c62-42d5-acd2-9a7605051aec

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/358163/
Detection(s):
SecuriteInfo.com.Variant.Lazy.263633.1152.22786.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63954/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d78803528134caf0436f13/reports/3c62b636-f7eb-4318-951d-178f032c105a/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc4dc8f1-8973-4db7-b597-af3058d65771
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161448
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
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 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 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: 794202 Sample: some one.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 28 www.cutgang.net 2->28 30 cutgang.net 2->30 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 3 other signatures 2->52 10 some one.exe 19 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\cvgev.exe, PE32 10->26 dropped 13 cvgev.exe 10->13         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 13->64 66 Detected unpacking (changes PE section rights) 13->66 68 Maps a DLL or memory area into another process 13->68 16 cvgev.exe 13->16         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 19 explorer.exe 2 6 16->19 injected process10 dnsIp11 32 cutgang.net 194.102.227.30, 80 VODAFONE_ROCharlesdeGaullenr15RO Romania 19->32 34 www.wenzid4.top 107.148.8.96, 49715, 80 PEGTECHINCUS United States 19->34 36 www.cutgang.net 19->36 54 System process connects to network (likely due to code injection or exploit) 19->54 23 msdt.exe 13 19->23         started        signatures12 process13 signatures14 56 Tries to steal Mail credentials (via file / registry access) 23->56 58 Tries to harvest and steal browser information (history, passwords, etc) 23->58 60 Modifies the context of a thread in another process (thread injection) 23->60 62 Maps a DLL or memory area into another process 23->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-01-30 09:04:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 25 (60.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hekwbetrf4txct7nsgfehb3m224fzgww2ovwxfx6elsj5mxtinda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230130-k1lfcabd7s/
Behaviour
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Unpacked files
SH256 hash:
b6597235146d92b00a259159d5b55fa66609b614563e11e12a22c53ab7fd07e1
MD5 hash:
5752622be89bf057c5dfba56579ce433
SHA1 hash:
b863a48c1a990d4c56a4d3294b5caf427f8f32c5
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/dd0f91f0-49e5-4033-9463-8b3fb6995ebb/
Parent samples :
6de63b7890315976d74cb265d71a3c370cfcc337eb20831cce254355529b4e03
39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346
f3197cca74f60c552d9d3b4d04d99996ceca8c8dc6ad845a468c10c65062a0fc
24df0ccdc95c15d68f1bdee2d09ec3cd9fafbe9913cadacee75889d407cd8f84
05977847b0408ec1abb7b4cd05ad10b4004c97d5c949e579d695d47518f4f376
SH256 hash:
a15c8513d6045f6b20e637c749209827a2b00f4f5c4eee7da4e950d11f0552f2
MD5 hash:
2d87b7759a0ec743070c7a484d6435c2
SHA1 hash:
5085cfc12612ea590dcec452b500398464632d81
Link:
https://www.unpac.me/results/dd0f91f0-49e5-4033-9463-8b3fb6995ebb/
SH256 hash:
9153d4cef97c5cd0039491849d1852266d0af49b21b9e6a02ea509da9c9bbdd4
MD5 hash:
1f7006033f9ed58effc0e27bb8c264fd
SHA1 hash:
8db5a331bd275c566aa6b1b930088546fb670a9c
Link:
https://www.unpac.me/results/dd0f91f0-49e5-4033-9463-8b3fb6995ebb/
SH256 hash:
39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346
MD5 hash:
86eb99da387c1c3dd5b592e7b0a5594d
SHA1 hash:
aab348d33cafec70d106f22df4da09e1f98cc26c
Link:
https://www.unpac.me/results/dd0f91f0-49e5-4033-9463-8b3fb6995ebb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/39156092712f/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/39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/358163/

Comments