MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2cd954483f95e4bddf8dcd519550a9c069139148aed5f1da469213a516495e6. 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 3 File information Comments
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SHA256 hash: c2cd954483f95e4bddf8dcd519550a9c069139148aed5f1da469213a516495e6
SHA3-384 hash: 6c59ec41b30fc653e45ae9e5ad5f40e6b69627e0ba5b111236cbe786eb38bee11377a97a862376e8fb98249c5890a54e
SHA1 hash: 75534fa837550175af545b373205e587170c1cbf
MD5 hash: d89aae69e692c6a3c387e385968e571d
humanhash: pluto-winner-november-mockingbird
File name:jKLCbplGCRKRrDg.exe
Download: download sample
Signature Formbook
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File size:873'472 bytes
First seen:2022-09-13 06:24:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:3Dsx1IQz57JZX7fouAMgCIfGC8MoGghkwS3/in0Sx/LGn:AwQvZD6OI+5bGIzS3PSx/Lo
TLSH T1A405290721D509A5C07651BC24CCC5B39BAADE85E63BC945BFC98CAFF192F2846D23B1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
jKLCbplGCRKRrDg.exe
Verdict:
Malicious activity
Analysis date:
2022-09-13 06:52:43 UTC
Tags:
formbook
Link:
https://app.any.run/tasks/ab27a17c-4862-4192-bc7f-a07822fa3d4a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309615/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42577.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6320229255480bd187e2680f/reports/8df47aa2-4033-4474-bd01-4a726d5c9b9a/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c4c96380-4e68-4ad6-b602-2b833e5f006f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1069358
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 701889 Sample: jKLCbplGCRKRrDg.exe Startdate: 13/09/2022 Architecture: WINDOWS Score: 100 27 www.royalsprospects.com 2->27 29 royalsprospects.com 2->29 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 7 other signatures 2->43 9 jKLCbplGCRKRrDg.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\...\jKLCbplGCRKRrDg.exe.log, ASCII 9->25 dropped 59 Injects a PE file into a foreign processes 9->59 13 jKLCbplGCRKRrDg.exe 9->13         started        16 jKLCbplGCRKRrDg.exe 9->16         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 18 explorer.exe 13->18 injected process9 dnsIp10 31 healthseg.com 69.49.241.25, 49692, 80 UNIFIEDLAYER-AS-1US United States 18->31 33 azino777club4.xyz 81.91.178.41, 49691, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Russian Federation 18->33 35 5 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Performs DNS queries to domains with low reputation 18->47 49 Uses ipconfig to lookup or modify the Windows network settings 18->49 22 ipconfig.exe 13 18->22         started        signatures11 process12 signatures13 51 Tries to steal Mail credentials (via file / registry access) 22->51 53 Tries to harvest and steal browser information (history, passwords, etc) 22->53 55 Deletes itself after installation 22->55 57 2 other signatures 22->57
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c2cd954483f95e4bddf8dcd519550a9c069139148aed5f1da469213a516495e6/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-09-13 01:28:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ylgzkred7fpexxpy3tkrsviktqdjcoiurlwv6hneneqtuulesxta._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:eauu rat spyware stealer trojan
Link:
https://tria.ge/reports/220913-g6l3aaafej/
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
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/de143be4-6c28-447b-a291-2a9d761e7100
Unpacked files
SH256 hash:
1c3ffaf4b6734721aae6b22dff96d14dc816b46d06b85634ae45b18f52714c42
MD5 hash:
937f6b41ee7dfb9931339154d30656f6
SHA1 hash:
2e5663c0a468fa38dbacce27566f796ea8c9c99c
Detections:
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/a820d277-dc1c-4f0b-afa7-86e8adbcde01/
Parent samples :
3dabb00d80f64b27c340d096bf11dfa24d869620b2408c89b59ec704fd180e7c
577b86660674d1a71218a077a47bffeec8c618153b66ca4205fcfcaf2cf020c9
c2cd954483f95e4bddf8dcd519550a9c069139148aed5f1da469213a516495e6
f264dabda94973df23206f0f7340e4986b6aa50601438e277a0a339259933ba6
721eee38b9c975862181aac88a3b7ff58666f4eae5db7b8b3eaf37d13fa4eb16
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/a820d277-dc1c-4f0b-afa7-86e8adbcde01/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/a820d277-dc1c-4f0b-afa7-86e8adbcde01/
SH256 hash:
ea4868684064353b0faf03d7f5e1b7c843cfd213e1233d296d7b01c8234e18fb
MD5 hash:
d0c8904cb689eadd9c8de6e4116c7f4e
SHA1 hash:
1fc207ecb1920134724ba98a3a297f136b44a7b9
Link:
https://www.unpac.me/results/a820d277-dc1c-4f0b-afa7-86e8adbcde01/
SH256 hash:
3a10dc2c94c4d5ff8717704fc0bde37755f03adebe4e8995e64b13ce441f898d
MD5 hash:
21ccaafde072796b1089d188765d4507
SHA1 hash:
006e627a20fb39b2c405cb24a902def1414bf52b
Link:
https://www.unpac.me/results/a820d277-dc1c-4f0b-afa7-86e8adbcde01/
SH256 hash:
c2cd954483f95e4bddf8dcd519550a9c069139148aed5f1da469213a516495e6
MD5 hash:
d89aae69e692c6a3c387e385968e571d
SHA1 hash:
75534fa837550175af545b373205e587170c1cbf
Link:
https://www.unpac.me/results/a820d277-dc1c-4f0b-afa7-86e8adbcde01/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/c2cd954483f95e4bddf8dcd519550a9c069139148aed5f1da469213a516495e6

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: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 c2cd954483f95e4bddf8dcd519550a9c069139148aed5f1da469213a516495e6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/309615/

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