MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 645b7f4cc5a9ae0e723f88a4189d607c9bb2b3499b31f5f2bedef3b09a0ed62b. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 645b7f4cc5a9ae0e723f88a4189d607c9bb2b3499b31f5f2bedef3b09a0ed62b
SHA3-384 hash: 594efa155f99a36ec446e2e342000c4d333ad3de0a17f0a29e5914da6c996ce41d9b0fa89758ba759256a081ce9bf2cc
SHA1 hash: 45c9a8430337b5b6fd02032cd199217662086fe8
MD5 hash: 118f678b684f974f649e92a5fe07d643
humanhash: saturn-wisconsin-low-florida
File name:statement of account.exe
Download: download sample
Signature Formbook
File size:715'264 bytes
First seen:2022-08-03 08:23:48 UTC
Last seen:2022-08-03 08:26:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ZrLTg6SKlpxuz8G/XgIeaEqgWnmezkvs7bUqXlgG7xXxbzEUkB:FhLlpxux/XZfgwmT0ZXltbzEU
Threatray 14'584 similar samples on MalwareBazaar
TLSH T1DAE412E5325B461BD47A19F6A21044949FF0932F6097E2CA5ED23CF7A4FBBC3464068B
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 :
2
# of downloads :
332
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
statement of account.exe
Verdict:
Malicious activity
Analysis date:
2022-08-03 08:25:42 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
Creating a window
DNS request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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 contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Performs DNS queries to domains with low reputation
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 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: 677973 Sample: statement of account.exe Startdate: 03/08/2022 Architecture: WINDOWS Score: 100 41 www.mogdento.com 2->41 43 www.epic45.co.uk 2->43 45 mogdento.com 2->45 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for dropped file 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 9 other signatures 2->59 9 statement of account.exe 7 2->9         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\vohVDkUcgpbgN.exe, PE32 9->33 dropped 35 C:\...\vohVDkUcgpbgN.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\Local\...\tmpA0A8.tmp, XML 9->37 dropped 39 C:\Users\...\statement of account.exe.log, ASCII 9->39 dropped 65 Writes to foreign memory regions 9->65 67 Adds a directory exclusion to Windows Defender 9->67 69 Injects a PE file into a foreign processes 9->69 13 RegSvcs.exe 9->13         started        16 powershell.exe 23 9->16         started        18 schtasks.exe 1 9->18         started        20 RegSvcs.exe 9->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 13->71 73 Maps a DLL or memory area into another process 13->73 75 Sample uses process hollowing technique 13->75 77 Queues an APC in another process (thread injection) 13->77 22 explorer.exe 13->22 injected 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        process9 dnsIp10 47 kinemartigues.com 51.159.175.169, 49764, 49765, 80 OnlineSASFR France 22->47 49 natroredirect.natrocdn.com 85.159.66.93, 49759, 80 CIZGITR Turkey 22->49 51 4 other IPs or domains 22->51 61 System process connects to network (likely due to code injection or exploit) 22->61 63 Performs DNS queries to domains with low reputation 22->63 30 systray.exe 13 22->30         started        signatures11 process12 signatures13 79 Tries to steal Mail credentials (via file / registry access) 30->79 81 Tries to harvest and steal browser information (history, passwords, etc) 30->81 83 Modifies the context of a thread in another process (thread injection) 30->83 85 Maps a DLL or memory area into another process 30->85
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-08-03 07:28:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Modifies registry class
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
Unpacked files
SH256 hash:
c60e7031a42930f55fb75595dfdd24a1e5acd099a9dd2f79ec8c9ddc25268239
MD5 hash:
df9967a6bb9f130f78d196a0ffdd2ee0
SHA1 hash:
1dd413bcaac09ac74605f745ae1bb853605220b8
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
a4ad2496ad0390314e5e2ae3d85d1d14fd22ffd4f73d075fad5dddda2946d4b8
MD5 hash:
fbb1db17149c2fe2fe45638bfe2c93a8
SHA1 hash:
7746ad6a1dd987c1ee859c45b290a920dc42ddcd
SH256 hash:
481663bc149d4dcf1f7bfcf00e5a7b66e1697d945a672b0f1509ffa082d124e9
MD5 hash:
55e7c61cf373eb1e6361012bead4820c
SHA1 hash:
5994dee710066213063bb45c53f8703045d3e38d
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
SH256 hash:
645b7f4cc5a9ae0e723f88a4189d607c9bb2b3499b31f5f2bedef3b09a0ed62b
MD5 hash:
118f678b684f974f649e92a5fe07d643
SHA1 hash:
45c9a8430337b5b6fd02032cd199217662086fe8
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:meth_get_eip
Author:Willi Ballenthin
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 645b7f4cc5a9ae0e723f88a4189d607c9bb2b3499b31f5f2bedef3b09a0ed62b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments