MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 886bf42e6019f808994ba7e0102c16f7a29d74d3d2f24f8cf6a4083127a29c40. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 886bf42e6019f808994ba7e0102c16f7a29d74d3d2f24f8cf6a4083127a29c40
SHA3-384 hash: b165623d793b2d8cf225ac0e161aed8f3863ac53f470b8a7e0bba784ea57125c96e18116d3836288a174f11ed9e7f061
SHA1 hash: e9e6b75d4cbfa677f392b6adc12686218bfed49d
MD5 hash: b4cc9c9fa60de567b727e382d2429072
humanhash: pizza-fix-lithium-delta
File name:specification and samples-pdf-.exe
Download: download sample
Signature Formbook
File size:688'640 bytes
First seen:2022-06-10 16:18:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:jhxZ1kR/Rw68AyI9q0ztTGcxl78lFGvvjn01kJzROz+WUup7AG95:fsBtTGcPg0v7tD6fVU
Threatray 13'894 similar samples on MalwareBazaar
TLSH T17AE4F1097615AA9EC01A8637CADA1C1093729E57671BE74BA4C7328D9D0F3DFCF062C6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
specification and samples-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 16:42:53 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
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
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 643469 Sample: specification and samples-p... Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 11 other signatures 2->56 10 specification and samples-pdf-.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\PGkHCB.exe, PE32 10->36 dropped 38 C:\Users\user\...\PGkHCB.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpA832.tmp, XML 10->40 dropped 42 C:\...\specification and samples-pdf-.exe.log, ASCII 10->42 dropped 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 14 specification and samples-pdf-.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 eiueanys.pzl-2q55g.com 20.205.11.78, 49793, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->44 46 www.yanjingbihua.com 107.178.140.139, 49843, 80 ASN-QUADRANET-GLOBALUS United States 21->46 48 www.26sa76.com 21->48 58 System process connects to network (likely due to code injection or exploit) 21->58 29 WWAHost.exe 21->29         started        signatures10 process11 signatures12 64 Modifies the context of a thread in another process (thread injection) 29->64 66 Maps a DLL or memory area into another process 29->66 68 Tries to detect virtualization through RDTSC time measurements 29->68 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2022-06-10 10:18:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
11 of 41 (26.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
25e05ed4357b22b2ccd043d0cb9fecd8f4c7f4d740a9baa556b9972faa949ac8
MD5 hash:
555906b13d4a176880d3ae9ada412987
SHA1 hash:
e033fb033afea7912aa3964ad1f4a6cad3943fd0
SH256 hash:
464b1a6d67dbd72c2ecfb11e10eba9248c9a440b752fc3a19bf94216d57ce85a
MD5 hash:
833f29d3f12c2646f2d5041e6f04cd9d
SHA1 hash:
57f081a332de61c65453c0dca5e4ecafe047f61b
SH256 hash:
4b3059a1fcd6c58c7fc4e574766133e89e95cb0fe6631b7f4aee664370c2571d
MD5 hash:
97f6ddc9c7e648e589849d8d6466bc18
SHA1 hash:
1104888244c872d5726728e0cb05ae6edaabf2bf
SH256 hash:
886bf42e6019f808994ba7e0102c16f7a29d74d3d2f24f8cf6a4083127a29c40
MD5 hash:
b4cc9c9fa60de567b727e382d2429072
SHA1 hash:
e9e6b75d4cbfa677f392b6adc12686218bfed49d
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: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.

Malspam

Formbook

Executable exe 886bf42e6019f808994ba7e0102c16f7a29d74d3d2f24f8cf6a4083127a29c40

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments