MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6aae46140819f63ba6d8021f344c1e45fe751050aa6fa5d47e87711f4beb0e90. 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: 6aae46140819f63ba6d8021f344c1e45fe751050aa6fa5d47e87711f4beb0e90
SHA3-384 hash: d5f93f45473af57be5ba2fba6bde2ae3d009622356dc1a79e315780fe7652da22f52f7e70c599c83e36bd49fe1d35b2a
SHA1 hash: 547c329961b00cde647830a48573696dc86d722d
MD5 hash: 213c726e8c807214f78e31856da4c4f1
humanhash: florida-equal-magazine-oven
File name:213c726e8c807214f78e31856da4c4f1.exe
Download: download sample
Signature Formbook
File size:833'536 bytes
First seen:2023-02-07 18:56:47 UTC
Last seen:2023-02-07 20:48:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:tCrpqUsq/8sWo1e/vKihpcJ7OcAtxjNQrGawxO5d4Z:asC8V/vTpVKrGTsS
TLSH T1D605220D2BFC8F21C6A91BBD68B40170477AA41A7556F32E0EE632DE3D76B640901F57
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
213c726e8c807214f78e31856da4c4f1.exe
Verdict:
Suspicious activity
Analysis date:
2023-02-07 19:07:27 UTC
Tags:
n/a

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
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
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
Antivirus detection for URL or domain
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)
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)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 800836 Sample: WRjz13B1AJ.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 31 yrandalljohanw.fun 2->31 33 www.yrandalljohanw.fun 2->33 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 3 other signatures 2->43 9 WRjz13B1AJ.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\WRjz13B1AJ.exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 WRjz13B1AJ.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 3 6 13->16 injected process9 dnsIp10 25 www.album0186.online 46.28.106.170, 49716, 49717, 80 WEDOSCZ Czech Republic 16->25 27 yrandalljohanw.fun 194.180.208.76, 80 PTPEU unknown 16->27 29 3 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 20 explorer.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-02-07 18:57:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
04c51d01e14e81780bb09d209a3df3f41aff538977dc517461f720af1d9f9254
MD5 hash:
ce26a46b76aa08ab5f28d3dd91ae0a11
SHA1 hash:
721dabe74f55ffcee40e4974d152dc85b9c6c98e
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
1681aeaf5497a7c6dfcac31e0f76d8d4532f8bb37a15d9213ea1cb9310e61260
MD5 hash:
f157f8d5bab8c393b3516c1d5fc4790a
SHA1 hash:
74c4578e3b9378d7874f8d81f4712b06a7d18b8b
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
SH256 hash:
1cbbfdb1f2a6183afc38ef2a00a37463b30379079d8658db18d1913f7b480312
MD5 hash:
c523b255ea6050d8f3395119d6c06627
SHA1 hash:
d341997ed6a2336a2b11aba39f9988cccba03dd6
SH256 hash:
c43a8d605b1b51614a6ab672a805f103ac280eb380454b492769ce7989f0d76e
MD5 hash:
ebac3e450736b10b2b60b763319927bb
SHA1 hash:
b69efc38bd5178cdd731a2f86a1d0d141536ccc7
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
6aae46140819f63ba6d8021f344c1e45fe751050aa6fa5d47e87711f4beb0e90
MD5 hash:
213c726e8c807214f78e31856da4c4f1
SHA1 hash:
547c329961b00cde647830a48573696dc86d722d
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: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.

Web download

Formbook

Executable exe 6aae46140819f63ba6d8021f344c1e45fe751050aa6fa5d47e87711f4beb0e90

(this sample)

  
Delivery method
Distributed via web download

Comments