MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c20d940cbbd88990618cf5a36c0d5e66c741448be48a8811b8e3084ce23fad4. 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 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c20d940cbbd88990618cf5a36c0d5e66c741448be48a8811b8e3084ce23fad4
SHA3-384 hash: 2f6774602149aa6954ffb0993a1bbb723ac6d5b2c577a0a407f604823f8f35543661bc64ce27f55622ab63e5ddf57b3f
SHA1 hash: f3f604d62cde66aa4ede17010316618b23837c6a
MD5 hash: da54101cca46220d77fca1e084e0f1cc
humanhash: west-foxtrot-nine-twelve
File name:da54101cca46220d77fca1e084e0f1cc
Download: download sample
Signature Formbook
Create hunting rule
File size:283'532 bytes
First seen:2022-11-21 11:50:48 UTC
Last seen:2022-11-21 13:46:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:0Ea03LpqwE/f/PzJdy7sm79pajPG8kZWO4RAYP+jjD:5jG7JcR79pai8kZWO4RAYUD
TLSH T14F5413A523D0C46BE4E20A714DB79768D3399A2160314BC7C7521EBF7F7864EEB07162
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 48d4f4f0f0f0d8c0 (37 x RedLineStealer, 18 x AgentTesla, 9 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Inquiry HA-22-28199 22-077.xls
Verdict:
Malicious activity
Analysis date:
2022-11-21 10:23:47 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/91b1ac38-1637-4c51-b193-245a02a654f7

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/336741/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.7.905.5578.UNOFFICIAL
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 a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Searching for synchronization primitives
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/637b66265f223762e6ee0eee/reports/5c01530f-46fc-4d22-a44e-17a77a37b3b7/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8aff2215-55e2-402e-86a9-7ff8847b1d87
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118066
Signature
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 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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 750777 Sample: PijDS6gNJp.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 28 www.essentielcourtage.net 2->28 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected FormBook 2->48 50 2 other signatures 2->50 10 PijDS6gNJp.exe 18 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\wjvypps.exe, PE32 10->26 dropped 13 wjvypps.exe 10->13         started        process6 signatures7 62 Multi AV Scanner detection for dropped file 13->62 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->64 66 Maps a DLL or memory area into another process 13->66 16 wjvypps.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 16->19 injected process10 dnsIp11 30 makasitravel.com 103.158.100.2, 49686, 49687, 80 TWIDC-AS-APTWIDCLimitedHK unknown 19->30 32 www.39baidu.com 23.82.247.76, 49685, 80 LEASEWEB-USA-SEA-10US United States 19->32 34 3 other IPs or domains 19->34 52 System process connects to network (likely due to code injection or exploit) 19->52 23 wscript.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c20d940cbbd88990618cf5a36c0d5e66c741448be48a8811b8e3084ce23fad4/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 10:17:31 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fqqnsqglxwejsbqyz5ndnqgv4zwhifcixzekrai3ryyijtrd7lka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:u6hu rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-nz5z5scg4y/
Behaviour
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a00942e4-273b-481f-a0ec-75dbb83052a9
Unpacked files
SH256 hash:
bfe636f0a72d2034d8091c93d1086aa84da4d24cd0e373cb972ddce19bc67584
MD5 hash:
81814d6f53c4bca81824d1e1137716f6
SHA1 hash:
53f181d9669494201d3cade500bed19056c2625d
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e64421ef-10e7-4504-bbd9-38495665d85f/
Parent samples :
2088000ab7a60b6d9eb519d1da9d42934e908a9724ab6977bc853d30b7f96642
5be55dc7985aa3ee43cce2454859e785535bba8393a35b55e5323a3dbcac5fde
e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088
2c20d940cbbd88990618cf5a36c0d5e66c741448be48a8811b8e3084ce23fad4
d3ecc8ef7a03d994e23d81232cd4ef261897208229197f2c9506178b9e91a670
SH256 hash:
bed29d3a8ef0f6328c35aa4c2c0679d1669f383c6a7b3cd97dd22562a5c5f877
MD5 hash:
bb7b8b53de1b5d95572c068f7ea548ee
SHA1 hash:
3a6084a62352188d6c94f3165f1250e37febfdbc
Link:
https://www.unpac.me/results/e64421ef-10e7-4504-bbd9-38495665d85f/
SH256 hash:
47161d8680dc611972197361390051e9e7f3e8835017586dc0df869a22cd6915
MD5 hash:
a838a732c29c6a195eee1c35c5db7190
SHA1 hash:
7b9549c5c8bbf0d2c5dd7cbf9d3f906bcfb5bf52
Link:
https://www.unpac.me/results/e64421ef-10e7-4504-bbd9-38495665d85f/
SH256 hash:
2c20d940cbbd88990618cf5a36c0d5e66c741448be48a8811b8e3084ce23fad4
MD5 hash:
da54101cca46220d77fca1e084e0f1cc
SHA1 hash:
f3f604d62cde66aa4ede17010316618b23837c6a
Link:
https://www.unpac.me/results/e64421ef-10e7-4504-bbd9-38495665d85f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2c20d940cbbd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/2c20d940cbbd88990618cf5a36c0d5e66c741448be48a8811b8e3084ce23fad4

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.

Web download

Formbook

Executable exe 2c20d940cbbd88990618cf5a36c0d5e66c741448be48a8811b8e3084ce23fad4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2428466/
Cape
Cape
https://www.capesandbox.com/analysis/336741/

Comments


Avatar
zbet commented on 2022-11-21 11:51:00 UTC

url : hxxp://103.180.133.133/documment/vbc.exe