MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c73ddd4b47e7691c3655bb1aa5ac034368f865fbc40c22b20c6ab774cb23dd31. 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 File information Comments

SHA256 hash: c73ddd4b47e7691c3655bb1aa5ac034368f865fbc40c22b20c6ab774cb23dd31
SHA3-384 hash: ddde94c9504ae45459b6080439a638cd5bdcad247eba69779fbf56a9dd3653f1e701c2f7a187b58b6b8b92d3c08254b0
SHA1 hash: e5e96aa9ecea654c89980538be63f07b070682db
MD5 hash: 42f2c63ef48f61b667742768a66f32aa
humanhash: river-minnesota-green-october
File name:DHL_April 2022 at 12.N_9B7290_PDF.exe
Download: download sample
Signature FormBook
File size:705'024 bytes
First seen:2022-04-12 12:19:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d5050040f4c4e416770aa091e077eff (5 x FormBook, 2 x DBatLoader, 2 x RemcosRAT)
ssdeep 12288:hCUTK74suoEON+SvvkDnzg545S3JsDh2vZec4qO:wkKHuoE+/vI0icJskvb
TLSH T1B7E49E12B2B14F33CA3B2A7D4D0B579965277E136E18A2973AC05E4D7F751C0392B2A3
File icon (PE):PE icon
dhash icon 0c321272b98ca6d9 (12 x Formbook, 7 x RemcosRAT, 5 x DBatLoader)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
317
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL_April 2022 at 12.N_9B7290_PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 04:05:29 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Launching a process
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe keylogger packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
Tries to detect virtualization through RDTSC time measurements
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 608081 Sample: DHL_April 2022 at 12.N_9B72... Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected FormBook 2->78 80 3 other signatures 2->80 10 DHL_April 2022 at 12.N_9B7290_PDF.exe 1 23 2->10         started        process3 dnsIp4 56 i-db3p-cor005.api.p001.1drv.com 13.104.208.160, 443, 49736, 49738 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->56 58 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49735, 49737 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->58 60 5 other IPs or domains 10->60 48 C:\Users\Public\Librariesbehaviorgraphhdjfku.exe, PE32 10->48 dropped 50 C:\Users\...behaviorgraphhdjfku.exe:Zone.Identifier, ASCII 10->50 dropped 110 Writes to foreign memory regions 10->110 112 Allocates memory in foreign processes 10->112 114 Creates a thread in another existing process (thread injection) 10->114 116 Injects a PE file into a foreign processes 10->116 15 DpiScaling.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 118 Modifies the context of a thread in another process (thread injection) 15->118 120 Maps a DLL or memory area into another process 15->120 122 Sample uses process hollowing technique 15->122 124 2 other signatures 15->124 20 explorer.exe 2 15->20 injected 22 cmd.exe 1 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 Ghdjfku.exe 16 20->26         started        30 cscript.exe 18 20->30         started        33 Ghdjfku.exe 16 20->33         started        37 2 other processes 20->37 35 conhost.exe 22->35         started        dnsIp11 62 i-dub01p-cor002.api.p001.1drv.com 40.90.128.18, 443, 49748, 49750 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->62 64 skjnpq.db.files.1drv.com 26->64 70 4 other IPs or domains 26->70 90 Multi AV Scanner detection for dropped file 26->90 92 Writes to foreign memory regions 26->92 94 Allocates memory in foreign processes 26->94 39 DpiScaling.exe 26->39         started        52 C:\Users\user\AppData\...\K3-logrv.ini, data 30->52 dropped 54 C:\Users\user\AppData\...\K3-logri.ini, data 30->54 dropped 96 Detected FormBook malware 30->96 98 Tries to steal Mail credentials (via file / registry access) 30->98 100 Tries to harvest and steal browser information (history, passwords, etc) 30->100 102 Maps a DLL or memory area into another process 30->102 42 cmd.exe 2 30->42         started        66 i-db5p-cor001.api.p001.1drv.com 13.105.28.48, 443, 49753, 49755 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 33->66 68 skjnpq.db.files.1drv.com 33->68 72 4 other IPs or domains 33->72 104 Creates a thread in another existing process (thread injection) 33->104 106 Injects a PE file into a foreign processes 33->106 44 DpiScaling.exe 33->44         started        108 Tries to detect virtualization through RDTSC time measurements 37->108 file12 signatures13 process14 signatures15 82 Tries to harvest and steal browser information (history, passwords, etc) 42->82 46 conhost.exe 42->46         started        84 Modifies the context of a thread in another process (thread injection) 44->84 86 Maps a DLL or memory area into another process 44->86 88 Sample uses process hollowing technique 44->88 process16
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2022-04-12 06:26:45 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
18 of 25 (72.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:g3db persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
Formbook
ModiLoader, DBatLoader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
53ac01aeca155b02914c382b97c6f89cf21d6280f488a30eca707bdb9693ce88
MD5 hash:
c755150a74c084c199d24042e9796f35
SHA1 hash:
0fea1a6ae181215deb872c5bb4d2f9ee242f3319
Detections:
win_dbatloader_w0
SH256 hash:
c73ddd4b47e7691c3655bb1aa5ac034368f865fbc40c22b20c6ab774cb23dd31
MD5 hash:
42f2c63ef48f61b667742768a66f32aa
SHA1 hash:
e5e96aa9ecea654c89980538be63f07b070682db
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

FormBook

Executable exe c73ddd4b47e7691c3655bb1aa5ac034368f865fbc40c22b20c6ab774cb23dd31

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments