MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a. 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: dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a
SHA3-384 hash: cac0790df4fe1110e12be8e6d884f514c153d9161f6d9110b86ecbbc57f8f318cce34a6f02d12038c9e2300fd0644a6a
SHA1 hash: 3b7882b02d3fa02d955b8201f77faf5086da194d
MD5 hash: f95391df01654470617409c185f27c85
humanhash: missouri-oscar-muppet-sad
File name:Doc021284.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:968'704 bytes
First seen:2022-12-08 09:50:05 UTC
Last seen:2023-01-05 14:36:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:12eM/FgKGPtdUAKFdQ1HXTHl7BQFRTB5pY+ZmBjHUk+qJK3o3l:MjgBl9oa30lLhZmBH2
TLSH T11F25CF10F1A91506E8355ABD0DBD218203B939FA2674D2DE3C8D9DCEEBE1F13474AA53
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 9090e49034d8b1b1 (10 x AgentTesla, 7 x Formbook, 3 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
182
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Doc021284.exe
Verdict:
Malicious activity
Analysis date:
2022-12-08 09:50:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a19cb285-d87a-4cef-9626-adc159231276

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/344258/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.12214.8455.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Reading critical registry keys
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6391b3889a505ad9423e0e1d/reports/7f871d89-86d7-47dc-be05-edc13e443f12/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/f224c573-a031-42ae-8873-697287735c0e
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130585
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 763309 Sample: Doc021284.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 49 www.ketoegemep.cyou 2->49 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 3 other signatures 2->63 9 Doc021284.exe 7 2->9         started        13 pHObYqJGOG.exe 5 2->13         started        signatures3 process4 file5 43 C:\Users\user\AppData\...\pHObYqJGOG.exe, PE32 9->43 dropped 45 C:\Users\...\pHObYqJGOG.exe:Zone.Identifier, ASCII 9->45 dropped 47 C:\Users\user\AppData\Local\...\tmpA66F.tmp, XML 9->47 dropped 73 Uses schtasks.exe or at.exe to add and modify task schedules 9->73 75 Adds a directory exclusion to Windows Defender 9->75 15 Doc021284.exe 9->15         started        18 powershell.exe 21 9->18         started        20 schtasks.exe 1 9->20         started        22 pHObYqJGOG.exe 13->22         started        24 schtasks.exe 1 13->24         started        signatures6 process7 signatures8 81 Modifies the context of a thread in another process (thread injection) 15->81 83 Maps a DLL or memory area into another process 15->83 85 Sample uses process hollowing technique 15->85 87 Queues an APC in another process (thread injection) 15->87 26 explorer.exe 15->26 injected 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 svchost.exe 22->34         started        36 conhost.exe 24->36         started        process9 dnsIp10 51 www.dcxioax.online 91.195.240.94, 49790, 49791, 49792 SEDO-ASDE Germany 26->51 53 friends-bk.biz 49.212.207.231, 49767, 49776, 49786 SAKURA-CSAKURAInternetIncJP Japan 26->53 55 3 other IPs or domains 26->55 77 System process connects to network (likely due to code injection or exploit) 26->77 79 Performs DNS queries to domains with low reputation 26->79 38 cmmon32.exe 13 26->38         started        41 autochk.exe 26->41         started        signatures11 process12 signatures13 65 Tries to steal Mail credentials (via file / registry access) 38->65 67 Tries to harvest and steal browser information (history, passwords, etc) 38->67 69 Modifies the context of a thread in another process (thread injection) 38->69 71 Maps a DLL or memory area into another process 38->71
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-12-08 09:10:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
13 of 22 (59.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3qkxm7rolrexjq2foyueyjg5yxwmrvaexnesjnzhwcqq67mvgvna._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/221208-lvgqmsce7z/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8a840cb4-8cb5-46c5-9d82-936a59f39939
Unpacked files
SH256 hash:
d879ae170f43289bc419663f01778eb303894e9dcaa0e7a0c5dcb36726d24c3c
MD5 hash:
e034e5b7c5fde31169b2f73c7ad1a111
SHA1 hash:
e1d67fca3d02c8c8c6621caf529bb7ece6577c51
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6848ec9d-69e5-4126-92be-2c198cd99043/
Parent samples :
dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a
b3ed34a29e5f12e26bb2187af89fbca79454c460674ad4fe727f475bbfee6d6b
fccf57db9ef1edb43daabe262bc2bca44423ac7beab6249ceba5f87d0d15f97f
64e04b8bc093e2dbc49cd2ed382369a4ec0c78de9054cb8f747137c578a941e3
b45727ae20ab730d46364654b46ad162a7e815ed9631f7da270cd153b1ede345
SH256 hash:
dfe2236879bca7be7a9a4ac93e55ba41d2086684b2d984eb13ed9b34268b4818
MD5 hash:
5b6aedc81797eb66ae0fe0c9da536401
SHA1 hash:
5286ff02ac87f37537d4972ef0b51fae03223753
Link:
https://www.unpac.me/results/6848ec9d-69e5-4126-92be-2c198cd99043/
SH256 hash:
08dc45957131063561fe10ab81d3574c7ae2e3f567991bd0fb2dc21d249b94a0
MD5 hash:
51eee0fb3ce9c756f3216ea39e405f17
SHA1 hash:
8e794c87b16b637a92fc7d60892e97685397c439
Link:
https://www.unpac.me/results/6848ec9d-69e5-4126-92be-2c198cd99043/
SH256 hash:
21cd7fcd65de82ec1b6a3942dddac95d573b036ed462066c61e0a36f19df45a6
MD5 hash:
bf473578023b999fae61dbef5e9fc99a
SHA1 hash:
7b9bcac2c31e054662086b09786a33ac2ec9370b
Link:
https://www.unpac.me/results/6848ec9d-69e5-4126-92be-2c198cd99043/
SH256 hash:
470ff02f1a92ff1c5ab6dac184d9886f3361c85b15e9f5b25e900b5b5c78b1ae
MD5 hash:
2eafcdae8081575ecab8279c1a492c7d
SHA1 hash:
6f3a7c6a31de0080a70e40c4582be893dbc74086
Link:
https://www.unpac.me/results/6848ec9d-69e5-4126-92be-2c198cd99043/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/6848ec9d-69e5-4126-92be-2c198cd99043/
SH256 hash:
dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a
MD5 hash:
f95391df01654470617409c185f27c85
SHA1 hash:
3b7882b02d3fa02d955b8201f77faf5086da194d
Link:
https://www.unpac.me/results/6848ec9d-69e5-4126-92be-2c198cd99043/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dc15767e2e5c/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/dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a

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 dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/344258/

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