MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 905dd9e890f6ed79a1a1d55aa2a1134d1415e874783a2a46d266d90005174ce0. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 905dd9e890f6ed79a1a1d55aa2a1134d1415e874783a2a46d266d90005174ce0
SHA3-384 hash: 6a6bc4c7a5214f34b293a40cfee2ec40e8a8534a84d5fa36a0ff8d9608f590014e65942e849a452eaf45457db56a62ff
SHA1 hash: fc35ae79e857ddd9301373b3c97a7c8651615563
MD5 hash: a7ae0c94cfafa8e1a39c2d1f376276a3
humanhash: autumn-spring-princess-stairway
File name:PAYMENT COPY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:394'816 bytes
First seen:2022-08-15 10:52:20 UTC
Last seen:2022-08-17 08:29:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:/1AxaQaIP55ZgujO4g4wl6dAUsrPV+n2dNmkznPX3OF1L/:5QLPdO4g4wm/srPWkznPX2/
TLSH T106849D8876E0718FC817C93189A45D64AB637F76470B8E06671F36FE893E59BDF010A2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71f8e4e0b0e0e871 (4 x AgentTesla, 3 x Formbook, 1 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PAYMENT COPY.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 10:54:34 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/ac79806c-0d82-4689-b72b-e24810ef93b6

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/298639/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.345.26742.23771.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62fa260a080024921b7a6453/reports/2f0a6aeb-5bfc-48d7-969c-83a4d451ed2c/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/4818593d-5b9c-4031-937d-7b856507ef3c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051457
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Executable has a suspicious name (potential lure to open the executable)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 683963 Sample: PAYMENT COPY.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 31 www.hypertext.ltd 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->39 41 9 other signatures 2->41 9 PAYMENT COPY.exe 1 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\PAYMENT COPY.exe.log, ASCII 9->23 dropped 51 Writes to foreign memory regions 9->51 53 Allocates memory in foreign processes 9->53 55 Injects a PE file into a foreign processes 9->55 13 cvtres.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 25 www.998899.lc 128.14.22.37, 49800, 49802, 80 ZNETUS United States 16->25 27 artistamundial.com 66.225.241.38, 49804, 49805, 80 USG-CORPORATIONUS United States 16->27 29 5 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 WWAHost.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/905dd9e890f6ed79a1a1d55aa2a1134d1415e874783a2a46d266d90005174ce0/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 09:52:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sbo5t2eq63wxtinb2vnkfiitjukbl2dupa5curwsm3mqabixjtqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/220815-myzajahgdp/
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
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
aa1871a6c1fe17fda81349156b1368494579a38ce8d7ddb911902acd3d133961
MD5 hash:
53e8f4ba6e3a667868eca46b0a4a8d72
SHA1 hash:
369224ef8e8aa09691d7ce2083929442b73550e8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a9c6c03a-9393-4c48-bb69-599584e1346a/
Parent samples :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 hash:
4f049cae4b4a5b6511eb56da94f24cef0e1424de3cc060d5592cd176427b00db
MD5 hash:
82c36b961c11d3de33ff23de9a06e5a3
SHA1 hash:
d446cf4fd9c30d8ed04a029827b8f444eea6fbf8
Link:
https://www.unpac.me/results/a9c6c03a-9393-4c48-bb69-599584e1346a/
SH256 hash:
f8a5cafd4a1b9b29ca24e583b73249f30f0878fee031cc7cc7f9ce5abee07a7e
MD5 hash:
0e2c034aa6876f4bf126c39094d5bbd5
SHA1 hash:
b60b45f10383e5e4319b9e03c67110cc89246661
Link:
https://www.unpac.me/results/a9c6c03a-9393-4c48-bb69-599584e1346a/
SH256 hash:
905dd9e890f6ed79a1a1d55aa2a1134d1415e874783a2a46d266d90005174ce0
MD5 hash:
a7ae0c94cfafa8e1a39c2d1f376276a3
SHA1 hash:
fc35ae79e857ddd9301373b3c97a7c8651615563
Link:
https://www.unpac.me/results/a9c6c03a-9393-4c48-bb69-599584e1346a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/905dd9e890f6ed79a1a1d55aa2a1134d1415e874783a2a46d266d90005174ce0

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_KB_CERT_1f3216f428f850be2c66caa056f6d821
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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

zip c3679b96568e3ec9d6af670ce17cc10cfad3bfeee0345731c3d6b4de5c65c610

Formbook

Executable exe 905dd9e890f6ed79a1a1d55aa2a1134d1415e874783a2a46d266d90005174ce0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298639/
  
Dropped by
SHA256 c3679b96568e3ec9d6af670ce17cc10cfad3bfeee0345731c3d6b4de5c65c610
  
Dropped by
MD5 2094ae8ad45eeeb1e651b72a2c67d95a

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