MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac8157f89fe4d01eb6e009147f4e6a3b64ebd924af77f4c4999b7dba22b53e4d. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac8157f89fe4d01eb6e009147f4e6a3b64ebd924af77f4c4999b7dba22b53e4d
SHA3-384 hash: 6c86f9a9b4d31144ce8c76a84040039bfef8134aafb41e831c62b51a773d50a0a1c065f122bffc74add85ddfba36b106
SHA1 hash: 2b53981abe38973fc7b76398add4a123da08a63a
MD5 hash: f532135b34f9cb76516cf2637d6b92e1
humanhash: earth-comet-nevada-carolina
File name:URGENT REGUEST.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'212'416 bytes
First seen:2023-03-15 22:52:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:YqGnNAJc5UY4LzV5UkQshc+BEdwjVO85okrIXmXUe+neV:tc5b4NBEd+t5oCcmXd+e
TLSH T14645AE0678D41AEAF77EDBF4C1E115EC03F11283944DEB2DCDC068DA1A247C36A669A7
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 James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
URGENT REGUEST.exe
Verdict:
Malicious activity
Analysis date:
2023-03-15 22:54:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/353148df-9b43-4778-9259-ba8a1cc9cabd

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/374655/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed virus
Link:
https://www.filescan.io/uploads/64124c4f84d6cc0c47a7b957/reports/6dc24e7f-02a7-445b-a85c-512ec96aa733/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ac8157f89fe4d01eb6e009147f4e6a3b64ebd924af77f4c4999b7dba22b53e4d
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/06bc441d-a5ea-4481-812c-022c0c7d642e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1194619
Signature
Antivirus detection for URL or domain
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 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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 827520 Sample: URGENT_REGUEST.exe Startdate: 15/03/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 2 other signatures 2->38 8 URGENT_REGUEST.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\URGENT_REGUEST.exe.log, ASCII 8->22 dropped 48 Writes to foreign memory regions 8->48 50 Injects a PE file into a foreign processes 8->50 12 RegSvcs.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 1 12->15 injected process8 dnsIp9 24 matrukrupacc.com 216.10.248.111, 49701, 80 PUBLIC-DOMAIN-REGISTRYUS India 15->24 26 www.rt66omm.com 118.27.125.172, 49705, 49706, 49707 INTERQGMOInternetIncJP Japan 15->26 28 6 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 msiexec.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac8157f89fe4d01eb6e009147f4e6a3b64ebd924af77f4c4999b7dba22b53e4d/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-14 10:11:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vsavp6e74tib5nxabekh6ttkhnsoxwjev537jreztn63uivvhzgq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230315-2tykrsaa71/
Behaviour
Gathers network information
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
ef3c7bf77e06f90c5fee8f82de30d15cde347504601a2f4a4da5c808fda3d146
MD5 hash:
d721abd1774d5d25c516645d1613380b
SHA1 hash:
1d6ea57141f658bfbcbfa9f30cff02639897a9bd
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/43f392f3-4aff-470a-b5d3-ce7c9fdfb3a1/
Parent samples :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 hash:
c5f46eae4c3daf89f723d9a0ed54928319b429e8e6b7e090b6d9887a7f8ef56a
MD5 hash:
efb0011b5da4e019d914f3c0ab18f002
SHA1 hash:
0be02538e44f1a12f5b61d90c94f9bd20c562813
Link:
https://www.unpac.me/results/43f392f3-4aff-470a-b5d3-ce7c9fdfb3a1/
SH256 hash:
f895769f0c0014c630ef6da430b0be49e09b2b09961e867f2e9c9b3c9a3366ad
MD5 hash:
c68abe610968557e2c047d9e4423f507
SHA1 hash:
9b1ec7249cd0671a65c5c8be3abc70d693ec6f20
Link:
https://www.unpac.me/results/43f392f3-4aff-470a-b5d3-ce7c9fdfb3a1/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/43f392f3-4aff-470a-b5d3-ce7c9fdfb3a1/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
ddd462670cd47eaf861eff6379b09dd8befd3c2cd56126110753bbef451041e0
MD5 hash:
c4a910bc6d42abb2905940e6e3225788
SHA1 hash:
8d414d02b6773d3eff5f27bd46094aadc5d06baf
Link:
https://www.unpac.me/results/43f392f3-4aff-470a-b5d3-ce7c9fdfb3a1/
SH256 hash:
d1ec779a700b36ba067267c9685e0dc95542502ad63c0b8b67c912559a1b83da
MD5 hash:
119b1a4a0b23438492d69d8f7762a497
SHA1 hash:
52ba46e21d181d419f586d08d00d6976ad356a89
Link:
https://www.unpac.me/results/43f392f3-4aff-470a-b5d3-ce7c9fdfb3a1/
SH256 hash:
ac8157f89fe4d01eb6e009147f4e6a3b64ebd924af77f4c4999b7dba22b53e4d
MD5 hash:
f532135b34f9cb76516cf2637d6b92e1
SHA1 hash:
2b53981abe38973fc7b76398add4a123da08a63a
Link:
https://www.unpac.me/results/43f392f3-4aff-470a-b5d3-ce7c9fdfb3a1/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ac8157f89fe4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/ac8157f89fe4d01eb6e009147f4e6a3b64ebd924af77f4c4999b7dba22b53e4d

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/374655/

Comments