MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac35cec2587a18dcd2be9da436cf76376c8b52de1b3637f1eee9490b227ba08a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac35cec2587a18dcd2be9da436cf76376c8b52de1b3637f1eee9490b227ba08a
SHA3-384 hash: dd928bc555a2ab31b5e5bcf3907e1136c4b7eebedb26ada83bb2ab9aeb27d4de39b29a25c42435cfaa756eb1387590b0
SHA1 hash: bb6d0f846e7a8815feb09e48ce12c85a4a19f288
MD5 hash: fa99d0118462d4d3adf8a820a145fac9
humanhash: kitten-victor-magnesium-early
File name:NEW QUOTATION REQUEST.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:545'792 bytes
First seen:2022-04-01 13:58:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:FmTansLobqYholvgnJ3DLMKhmzrE7K/RQJ+vsbuqtEEkmcMh:kuWtKVfMKhSrz/Rv0qq6EkZM
Threatray 14'223 similar samples on MalwareBazaar
TLSH T1D0C4F12DB7E5EE13C4A45BF280D2011003B1A347A1B3D78A7DD913D98E623A71E8A7D7
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn34.25720.9707.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62470527a19c649412b96a97/reports/49f86c05-74b8-40ae-9119-eefe12a0d4d0/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/8d451b93-e46d-4746-acb0-0f8fa7f38a7c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/969023
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 601513 Sample: NEW QUOTATION REQUEST.exe Startdate: 01/04/2022 Architecture: WINDOWS Score: 100 31 www.kilimaniapartments.com 2->31 33 kilimaniapartments.com 2->33 35 www.asquaredlegalgroup.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 10 other signatures 2->49 11 NEW QUOTATION REQUEST.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...29EW QUOTATION REQUEST.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 NEW QUOTATION REQUEST.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.boundlessentgroup.com 103.224.182.253, 49784, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->37 39 www.rncj-ujqp.com 202.58.21.27, 49775, 80 NCIC-TWNewCenturyInfoCommTechCoLtdTW Hong Kong 18->39 41 6 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 control.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ac35cec2587a18dcd2be9da436cf76376c8b52de1b3637f1eee9490b227ba08a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-01 13:59:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vq245qsypimnzuv6twsdnt3wg5wiwuw6dm3dp4po5feqwit3ucfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
Formbook
21791c7eba15ff44e84b44080fa6c85cf824afafd5d987ce18d445dc942c34a2
Formbook
48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898
Formbook
53685ac5f275b61fc580f2203e7d7e431d2b03b8e4320015b428745d68d5e333
Formbook
54d3a5ab9cf83b63a50a382b1f3fe4f2bdc03620744b9ecdee74723415fccd9d
Formbook
66ed20e609a1c10376f30415f4f2a03aa274fbdaaa12925dcc81ed74bfb7fdfa
Formbook
6f0508408689f77795e27f5320115355744c6b7d02cf59197dae8646bc73f267
Formbook
779f51468b459d7e4fa2fb6dafabd1771416f00bdd0ad587b1f3119da41edd5e
Formbook
95c771c632d3d8501bcb90643f6587624eb5c5773557eeceb34bb08872cbd3cd
Formbook
dd39f14948021a7f17de30d38f334142b9f7c26c2fffb174f689bccddce94b29
Formbook
+ 14'213 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pg3o loader rat
Link:
https://tria.ge/reports/220401-radfdacdd4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
36b20ffa0fa23509eae93de92a02b1974da2caf6f19032897c4b89c6fc4783e7
MD5 hash:
9da673d92f429686274a20242e43f71a
SHA1 hash:
937ec600541363ff933616428660331cc5cb5bf2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/172d0d40-f45b-40c3-952c-2de982b9768b/
Parent samples :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 hash:
68aeea775df744d73ce48540a90dc9dd5de7ec1434feba7f9f9b48b189eaec19
MD5 hash:
53b8ccb6d13b749149fdeab5cc8c04d1
SHA1 hash:
de5d40b7c163ca5944dbeff6a5dc6ed2030a443a
Link:
https://www.unpac.me/results/172d0d40-f45b-40c3-952c-2de982b9768b/
SH256 hash:
7cd612d7fcc589d30da95c577dff38fdadd961368018968836ec3842839c2e25
MD5 hash:
a1c89a4e49421ca284f8b13c421bfa7e
SHA1 hash:
341343aa41fedf676b8eca8a3262233d5b230a5f
Link:
https://www.unpac.me/results/172d0d40-f45b-40c3-952c-2de982b9768b/
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
Link:
https://www.unpac.me/results/172d0d40-f45b-40c3-952c-2de982b9768b/
SH256 hash:
ac35cec2587a18dcd2be9da436cf76376c8b52de1b3637f1eee9490b227ba08a
MD5 hash:
fa99d0118462d4d3adf8a820a145fac9
SHA1 hash:
bb6d0f846e7a8815feb09e48ce12c85a4a19f288
Link:
https://www.unpac.me/results/172d0d40-f45b-40c3-952c-2de982b9768b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/ac35cec2587a18dcd2be9da436cf76376c8b52de1b3637f1eee9490b227ba08a

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.

Malspam

Formbook

Executable exe ac35cec2587a18dcd2be9da436cf76376c8b52de1b3637f1eee9490b227ba08a

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments