MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91843e0ba089a90b4da071b53300a6aac7e88f432de027ce32cdbeb4a89ab4ab. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 91843e0ba089a90b4da071b53300a6aac7e88f432de027ce32cdbeb4a89ab4ab
SHA3-384 hash: 42744fdead0664dfd33f5a9d13d86b1f72acc067c64f2f848bc2541e602844424f3cd8236c026745df2a0733e73337ce
SHA1 hash: 4e288a9ad489d746ea935db9c6fc64184b93ea6a
MD5 hash: dc02a7a8463574e482a040f393235189
humanhash: papa-black-sink-table
File name:DHL SHIPPING DOCUMENT AWB _111832457673,pdf.exe
Download: download sample
Signature Formbook
File size:301'040 bytes
First seen:2022-09-27 05:58:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 6144:DoDHUviTB7Ia4Lkqc4YVis/KfI3avCGx:aOiTsxc4vs/KI3avJx
Threatray 116 similar samples on MalwareBazaar
TLSH T1CE5401C0B3F48C17C97BEF36958485090A39BD167D42C3A6B4E8F72C0EB23D9A965587
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 d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Executable has a suspicious name (potential lure to open the executable)
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
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710629 Sample: DHL SHIPPING DOCUMENT AWB _... Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 5 other signatures 2->38 8 DHL SHIPPING DOCUMENT AWB _111832457673,pdf.exe 1 2->8         started        process3 file4 22 DHL SHIPPING DOCUM...2457673,pdf.exe.log, CSV 8->22 dropped 48 Writes to foreign memory regions 8->48 50 Allocates memory in foreign processes 8->50 52 Injects a PE file into a foreign processes 8->52 12 aspnet_compiler.exe 8->12         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.mymcdsteam.com 15->24 26 libercredi.com 162.241.62.151, 49700, 80 UNIFIEDLAYER-AS-1US United States 15->26 28 7 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 help.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-09-26 14:13:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:nrln rat spyware stealer trojan
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
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5fd1101fd4609bc02587075cefba65f58571615119186762cbdbb5a44ea5fb22
MD5 hash:
01080f1e20e4b55f396398cd1f88d901
SHA1 hash:
22958d41e3ffcfe52737c67e274603ea609f6325
SH256 hash:
e95f30d3861957d8852ecd759a22fccc160c38f1fb4fa2b35ea2fbf908da4587
MD5 hash:
dc2272aa75aa39f7c7490eceb96c480b
SHA1 hash:
9fee7f35dd33e333116aae4312408f9c23fe748b
SH256 hash:
be9d0ae6d566a670f4434f753571acd7d037af3fc0f3d0b3b6a679dcd8139694
MD5 hash:
336119539319735b6a2b3cd804708b6b
SHA1 hash:
57f52a9560cca77dabb2b16f75b0ada8d3eb7cd6
SH256 hash:
91843e0ba089a90b4da071b53300a6aac7e88f432de027ce32cdbeb4a89ab4ab
MD5 hash:
dc02a7a8463574e482a040f393235189
SHA1 hash:
4e288a9ad489d746ea935db9c6fc64184b93ea6a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments