MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e19450065019d83966ee6106ff75a1fc710392179cb11426fd1011301ce1c06c. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: e19450065019d83966ee6106ff75a1fc710392179cb11426fd1011301ce1c06c
SHA3-384 hash: ac2a1dff141381881c11e349ccfbedb9d963ed0e0218f9e04b0228c7f05e6cb8df158bbb2883af485556457fbaf947d6
SHA1 hash: eaf13070f0d6e0067786abe57c37e97e9ff70d64
MD5 hash: 28d4d2c2bde565e7377f93da05018b37
humanhash: minnesota-east-uranus-nitrogen
File name:RFQ.exe
Download: download sample
Signature Formbook
File size:443'183 bytes
First seen:2023-01-12 14:09:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:aYa6vvMq4YQ5t0aeYaYI7jI7cd2Hyb+SJIBey/TZCZhSEL:aYtvMq4jv+77b2yWBeyFXo
TLSH T1A694E0366EB38051FAF9D9303DE273109960B97F9CDD5F46D244BAC938A32D18A79231
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9086c290828282c4 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
170
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2023-01-12 14:10:00 UTC
Tags:
trojan formbook 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Launching a process
Reading critical registry keys
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
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: 783082 Sample: RFQ.exe Startdate: 12/01/2023 Architecture: WINDOWS Score: 100 28 www.thetrolley.co.uk 2->28 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 2 other signatures 2->50 10 RFQ.exe 19 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\dyeutcs.exe, PE32 10->26 dropped 13 dyeutcs.exe 10->13         started        process6 signatures7 62 Multi AV Scanner detection for dropped file 13->62 64 Detected unpacking (changes PE section rights) 13->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->66 68 2 other signatures 13->68 16 dyeutcs.exe 13->16         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 explorer.exe 1 1 16->19 injected process10 dnsIp11 30 www.gamesite.top 197.221.2.13, 49715, 49716, 80 xneeloZA South Africa 19->30 32 xin3.zhanghonghong.com 122.10.111.133, 49712, 49713, 80 ULAN-NETWORK-LIMITEDULanNetworkLimitedHK Hong Kong 19->32 34 11 other IPs or domains 19->34 52 System process connects to network (likely due to code injection or exploit) 19->52 23 msdt.exe 13 19->23         started        signatures12 process13 signatures14 54 Tries to steal Mail credentials (via file / registry access) 23->54 56 Tries to harvest and steal browser information (history, passwords, etc) 23->56 58 Modifies the context of a thread in another process (thread injection) 23->58 60 Maps a DLL or memory area into another process 23->60
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-12 14:10:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Enumerates system info in registry
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
810356908d8bf9bb048bd79c4c83efa42f6f5515183025c6ba9bf3fa745d709f
MD5 hash:
9d1a06f78ca4e26ba96fccba94fd4948
SHA1 hash:
03b16e25fe0f571b7bc1b17c80177d21d12fcff2
Detections:
win_formbook_auto win_formbook_g0
SH256 hash:
c3ea4921ae13ffb78d9c4e2943ac3e7c804fa5e7993e83cf31a78e54d1f79e9f
MD5 hash:
daa239c0ebee587520525125c22a1837
SHA1 hash:
e11dec264851767ba29ae2f84fc4849576d03352
SH256 hash:
bacbb64886c275235eef4c1584708a125c802de68ac910edc497e1935728c190
MD5 hash:
d13ae27bc05d5fb48059184a5463f666
SHA1 hash:
d012d856e5397d30c60371dda76ce49e15844b7b
SH256 hash:
e19450065019d83966ee6106ff75a1fc710392179cb11426fd1011301ce1c06c
MD5 hash:
28d4d2c2bde565e7377f93da05018b37
SHA1 hash:
eaf13070f0d6e0067786abe57c37e97e9ff70d64
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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe e19450065019d83966ee6106ff75a1fc710392179cb11426fd1011301ce1c06c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments