MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 615c83f5e30fe5e6dece916cf5f24a3a1fe8c0b00659e97a0d4a39117b4321a4. 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: 615c83f5e30fe5e6dece916cf5f24a3a1fe8c0b00659e97a0d4a39117b4321a4
SHA3-384 hash: 6ceda401ad6480fdd23e0190257493f294c0aa6d4ca55f2653b1f457e1016b8cd5107c8288dfa58f6c4a7c11fe993645
SHA1 hash: 64eba2b78c069e36ecf1861f1a28e0e750edc607
MD5 hash: dfd516339e36a2ea23140b2cf75df090
humanhash: one-nevada-football-spring
File name:DB_aabggiecggch0x0937.exe
Download: download sample
Signature Formbook
File size:901'632 bytes
First seen:2022-11-14 22:17:54 UTC
Last seen:2022-11-14 23:39:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:dT7+2koCxDYLzkqRAdU/bvzlHC03+LNDh558+WUeuRjl/993mbZuzxJU2:dHHklmkq+07JaJhUMJH9Wgzk2
Threatray 15'539 similar samples on MalwareBazaar
TLSH T147153A2935BCF612EE36A7F70EE29A0BCA701241122EC1060D5A36DFE975F763D4950B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DB_aabggiecggch0x0937.exe
Verdict:
Malicious activity
Analysis date:
2022-11-14 22:19:29 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
Sending a custom TCP request
DNS request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 746011 Sample: DB_aabggiecggch0x0937.exe Startdate: 14/11/2022 Architecture: WINDOWS Score: 100 31 www.362435.com 2->31 33 zj.zhanghonghong.com 2->33 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 7 other signatures 2->45 9 DB_aabggiecggch0x0937.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\...\DB_aabggiecggch0x0937.exe.log, ASCII 9->23 dropped 55 Injects a PE file into a foreign processes 9->55 13 DB_aabggiecggch0x0937.exe 9->13         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.katywren.com 107.149.14.133, 49698, 80 PEGTECHINCUS United States 16->25 27 www.jossyfame.online 162.0.238.95, 49707, 49708, 80 NAMECHEAP-NETUS Canada 16->27 29 4 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Uses ipconfig to lookup or modify the Windows network settings 16->37 20 ipconfig.exe 13 16->20         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49 51 Deletes itself after installation 20->51 53 2 other signatures 20->53
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-11-14 14:00:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
14 of 26 (53.85%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cn1k 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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
16b5536b5e87d413a8f673b82d52fed97fb2dd53b18e1b1b0279761f2cd0b476
MD5 hash:
db59bcfcdd9f3bf898ab8140908e6aca
SHA1 hash:
d528353ace2458ef64127cea7c663760f0e71493
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
6d286a37705709b28d8228764212a6ead3a6cbcd704550c9b6effe763c1b2d5c
MD5 hash:
9250ace72fc279f054ec565ab416195d
SHA1 hash:
0e4d271da3bb635ae40af42367d8c8873b4e8afd
SH256 hash:
85985d5ce74dbc95d2027498d0ad409553a93a943c5452e713ca175d6a5037b6
MD5 hash:
4142188841e9488e1250e932c4d9990d
SHA1 hash:
9cbd3ed124f7fabb6e2b080570e4999594cb60da
SH256 hash:
fa712df9c8c18b4e276c9857de23653f1812108fbf9c2c7e050d71e6a7506d88
MD5 hash:
4160ed8d5cfa86450fbbf37e5e812b8f
SHA1 hash:
603a78ed968b377e28cdcb7ad4f8a2592239d0df
SH256 hash:
e65170a0b35af397442d1bb687e1cab34d83f1b03cb53ef0d7d6503802366fb0
MD5 hash:
13fa4a40d5a1e58c55259ef79bb5a16c
SHA1 hash:
5987d6059bb0452a7e5076ee54c3b8a81889eb3f
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
615c83f5e30fe5e6dece916cf5f24a3a1fe8c0b00659e97a0d4a39117b4321a4
MD5 hash:
dfd516339e36a2ea23140b2cf75df090
SHA1 hash:
64eba2b78c069e36ecf1861f1a28e0e750edc607
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 615c83f5e30fe5e6dece916cf5f24a3a1fe8c0b00659e97a0d4a39117b4321a4

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments