MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89af280045471592c70e1c139db75bbe28354d08370ac05dff4ea8245f2088b5. 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 2 File information Comments

SHA256 hash: 89af280045471592c70e1c139db75bbe28354d08370ac05dff4ea8245f2088b5
SHA3-384 hash: 96f166ed59454d831c5e1f46bc25b13f1af3a385408a3af2f85865b0126d2281a184b8a12e465aed084e92bb4b011418
SHA1 hash: 772940d64eb308d240cd205d29c4e1c5881a96b4
MD5 hash: 7fd40d18e9804f154780cbb3d2b017d8
humanhash: minnesota-arkansas-wisconsin-magazine
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:1'096'192 bytes
First seen:2022-10-31 11:36:21 UTC
Last seen:2022-10-31 13:04:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8OHgGPilFfoqztDiGW8E2YoFhqJLNu6n0o/rUbihaIJDk:HbiAkD08rYoFALK44bisYI
TLSH T16135CF611B80D50DE6962E35A8D2C3F06BE48D50AD5DF2836BE4BF1FB4B7DA7D1A0240
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
405
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2022-10-31 11:37:42 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
Searching for the window
Сreating synchronization primitives
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
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734290 Sample: Quotation.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 100 49 www.wohuaiyiwocunzai.xyz 2->49 51 huimian.github.io 2->51 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 10 other signatures 2->65 9 Quotation.exe 7 2->9         started        13 UDBEbqvAJGhh.exe 5 2->13         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\UDBEbqvAJGhh.exe, PE32 9->41 dropped 43 C:\Users\...\UDBEbqvAJGhh.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\...\tmp5E4C.tmp, XML 9->45 dropped 47 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 9->47 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 9->75 77 Writes to foreign memory regions 9->77 79 Allocates memory in foreign processes 9->79 81 Adds a directory exclusion to Windows Defender 9->81 15 RegSvcs.exe 9->15         started        18 powershell.exe 21 9->18         started        20 schtasks.exe 1 9->20         started        83 Multi AV Scanner detection for dropped file 13->83 85 Machine Learning detection for dropped file 13->85 87 Injects a PE file into a foreign processes 13->87 22 RegSvcs.exe 13->22         started        24 schtasks.exe 1 13->24         started        signatures6 process7 signatures8 91 Modifies the context of a thread in another process (thread injection) 15->91 93 Maps a DLL or memory area into another process 15->93 95 Sample uses process hollowing technique 15->95 97 Queues an APC in another process (thread injection) 15->97 26 explorer.exe 15->26 injected 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process9 dnsIp10 53 www.kocabaymasa.com 38.238.130.218, 49703, 49704, 49705 COGENT-174US United States 26->53 55 www.ab3699.net 188.114.97.3, 49702, 80 CLOUDFLARENETUS European Union 26->55 57 192.168.2.1 unknown unknown 26->57 89 System process connects to network (likely due to code injection or exploit) 26->89 36 raserver.exe 13 26->36         started        39 msdt.exe 26->39         started        signatures11 process12 signatures13 67 Tries to steal Mail credentials (via file / registry access) 36->67 69 Tries to harvest and steal browser information (history, passwords, etc) 36->69 71 Modifies the context of a thread in another process (thread injection) 36->71 73 Maps a DLL or memory area into another process 36->73
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-31 05:41:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:nhg6 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Loads dropped DLL
Formbook
Unpacked files
SH256 hash:
0fe9987f49193699ae7f0f0d3f3cbbbf3d6f49ef9974f9996eabb65b96b79fad
MD5 hash:
86a1f76afd106fb440250d7db6e36127
SHA1 hash:
78d7cf2ac79de13df0284b1fdda8723399363c46
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
43d845107cb087ae980d87f2d03b60bd18cf92395ea0b10894680817144a0240
MD5 hash:
ee9ef71b76eb8c2d1099ad65b0527e7f
SHA1 hash:
59bb60e81e1f15aacf2c8daceafcfa18a8f371c2
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
SH256 hash:
fb45032e3f08bcd9c680bd0281525ec5f34d7a35a467a1e26816ceff686b3df6
MD5 hash:
6a6c873674fe226dd80b837643d0fc65
SHA1 hash:
bb6f59a65cbb58a05d9cd21077614e52a2b2ae09
SH256 hash:
c324fa6256729f40e12d37bd350b47eb921ea1485b0d26a8c85da82421fc511a
MD5 hash:
0ca34b5dbd353c143bdc9e4c1ae15847
SHA1 hash:
63bbc24bf74d8382e61a875cbf57bf15e05f52cd
SH256 hash:
f6e01fa8174d3c7f23b1cf7007a42e0300744cf48d9de9db4ab78d95eab313d9
MD5 hash:
dfcfc8dae62462a980f16c8a53477cc7
SHA1 hash:
0d5786ee47b759675d89f9f4bc1ac74c6f48d283
SH256 hash:
89af280045471592c70e1c139db75bbe28354d08370ac05dff4ea8245f2088b5
MD5 hash:
7fd40d18e9804f154780cbb3d2b017d8
SHA1 hash:
772940d64eb308d240cd205d29c4e1c5881a96b4
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 89af280045471592c70e1c139db75bbe28354d08370ac05dff4ea8245f2088b5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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