MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7af05d6e7ec4ea68d42fdcd19bbfabb3c3e7dd2609582d87d5a9f5b387ac792. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e7af05d6e7ec4ea68d42fdcd19bbfabb3c3e7dd2609582d87d5a9f5b387ac792
SHA3-384 hash: 61cdb1dc6e957b200358c85de5c1faf67c3f2ba21ebdba9acc62a65a1b9a8f20d6a0cbec136d5bce126658cfd11b6800
SHA1 hash: 4ddf3aa471f22d926c2a89ae1323a18de64001b9
MD5 hash: f053457492f033766966011df7763fe5
humanhash: leopard-burger-alanine-white
File name:Files.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:289'317 bytes
First seen:2022-11-19 02:22:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:MEa0NDexk045zYFvNbVUTYQkNxSHSTpOGvWaTZtUDaX7:XTjcvNbyTYQoxGSVOkRTDUDaL
TLSH T1E75423535AE26473C677527116BAE733CBF727300576D64B8BA0EFE8783A3835982442
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Files.exe
Verdict:
Malicious activity
Analysis date:
2022-11-19 02:24:15 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/c2ff9b0b-7bf1-475e-9ef1-545472ef0e70

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/335981/
Detection(s):
Win.Malware.Agent-9978096-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching the process to change network settings
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63783e066fda73cab64e71dc/reports/d8f59e2f-1e31-4e88-8be4-c6028fc5cfb9/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dae86a22-601a-403d-a90d-e622efebe25b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116948
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 domain / URL
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
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)
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749660 Sample: Files.exe Startdate: 19/11/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 4 other signatures 2->39 9 Files.exe 18 2->9         started        process3 file4 25 C:\Users\user\AppData\...\ohwrvejulh.exe, PE32 9->25 dropped 12 ohwrvejulh.exe 9->12         started        process5 signatures6 53 Antivirus detection for dropped file 12->53 55 Multi AV Scanner detection for dropped file 12->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->57 59 Maps a DLL or memory area into another process 12->59 15 ohwrvejulh.exe 12->15         started        process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 27 boxgamevn.com 103.200.23.179, 49692, 49693, 80 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 18->27 29 www.orangetta.com 216.250.120.18, 49694, 49695, 80 ONEANDONE-ASBrauerstrasse48DE United States 18->29 31 8 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Uses netstat to query active network connections and open ports 18->43 22 NETSTAT.EXE 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e7af05d6e7ec4ea68d42fdcd19bbfabb3c3e7dd2609582d87d5a9f5b387ac792/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-11-16 17:39:18 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=46xqlvxh5rhkndkc7xgrto72xm6d47osmckyfwd5lkpvwod2y6ja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:fqsu loader rat spyware stealer trojan
Link:
https://tria.ge/reports/221119-ct5awahh23/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6dd0b841-25e1-43cf-b64d-76c26b4e820a
Unpacked files
SH256 hash:
bbc5a60f9140e40979a13d24e8fae142bff9140af94fe95cc1455160781aafbb
MD5 hash:
f13d54398929634fd143ef5ea8c6a3e3
SHA1 hash:
2c9224e7a169098f9c05f869746e84fb7f6fd928
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7725ab97-e2c7-4e4c-bf35-7f9f14fbd68f/
Parent samples :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 hash:
fc1e9c9d0524f405aab192c521a553a1483ae0de315d3277a69402fdade05491
MD5 hash:
b2a5b0e0e70eb909712785ad6fd3d296
SHA1 hash:
cd4a580c6152738ecf553db9ec4fdc8673156f80
Link:
https://www.unpac.me/results/7725ab97-e2c7-4e4c-bf35-7f9f14fbd68f/
SH256 hash:
6b5fc96b2f9ec27dea307a8a53e040ed78b2dc56d26c5b24d85c665427cbfa1d
MD5 hash:
2881db2528e997fdc3b1b7d702f20c76
SHA1 hash:
a8825bcbc48f2b43adedbee4744273fef5c60b0a
Link:
https://www.unpac.me/results/7725ab97-e2c7-4e4c-bf35-7f9f14fbd68f/
SH256 hash:
e7af05d6e7ec4ea68d42fdcd19bbfabb3c3e7dd2609582d87d5a9f5b387ac792
MD5 hash:
f053457492f033766966011df7763fe5
SHA1 hash:
4ddf3aa471f22d926c2a89ae1323a18de64001b9
Link:
https://www.unpac.me/results/7725ab97-e2c7-4e4c-bf35-7f9f14fbd68f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e7af05d6e7ec/report/overview.html
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
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe e7af05d6e7ec4ea68d42fdcd19bbfabb3c3e7dd2609582d87d5a9f5b387ac792

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335981/

Comments