MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0
SHA3-384 hash: 9268ca80b5ddeaa6336c0f661ed09ebd93fe8b1e701932fc138d45c86d500ba4daf78f3a3424333b7029832bca33caf9
SHA1 hash: 32936d1bce243a085c81147f1d569a1c20c44bb2
MD5 hash: 34b8885c737fa78ecc68c1bf0628f8c0
humanhash: tango-venus-east-sink
File name:wkUOj276sJEoMFq.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:608'768 bytes
First seen:2024-05-28 07:39:25 UTC
Last seen:2024-05-29 15:35:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zQ3yvK/bBMqQOa/71j+zmxnHJaA8YPGTU+aJczbxLedJJ4iav2hcll0WEm:+yqBMqQOiLnoYeyqzbxuv4im2hcT0fm
Threatray 1'166 similar samples on MalwareBazaar
TLSH T1E2D4220823A94F2EEA7E8BF6A53025414BF0BA576945E32C0FCA21DA0877F504F51F67
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
490
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ecca1babce1ad884ce47b466fca9aacabf00467a64a444a9c85cf91632ac6cdf.r01
Verdict:
Suspicious activity
Analysis date:
2024-05-28 07:21:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/69c3037b-2b3d-40be-a6a3-00d5a808687e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.18657.5313.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66558a605721c8e52717810fwin7simulatehigh_evasion
Tags:
Generic Static Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.CJS trojan
Link:
https://www.hybrid-analysis.com/sample/380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0
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/6f2a5020-af54-42e1-baff-ff4054fde567
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448411
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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: 1448411 Sample: wkUOj276sJEoMFq.exe Startdate: 28/05/2024 Architecture: WINDOWS Score: 100 29 www.sugardefender24-usa.us.cdn.hstgr.net 2->29 31 www.sugardefender24-usa.us 2->31 33 5 other IPs or domains 2->33 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 11 wkUOj276sJEoMFq.exe 3 2->11         started        signatures3 process4 signatures5 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 14 wkUOj276sJEoMFq.exe 11->14         started        17 wkUOj276sJEoMFq.exe 11->17         started        process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 19 explorer.exe 41 1 14->19 injected process8 dnsIp9 35 www.sugardefender24-usa.us.cdn.hstgr.net 84.32.84.128, 49713, 80 NTT-LT-ASLT Lithuania 19->35 37 www.spiritualpath.info 188.114.97.3, 49715, 49718, 80 CLOUDFLARENETUS European Union 19->37 39 ferradaoffroad.com 3.33.130.190, 49716, 80 AMAZONEXPANSIONGB United States 19->39 22 svchost.exe 19->22         started        process10 signatures11 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 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-05-27 23:38:06 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=hagcd7jxzl5dmgiznx33mm3xqojbmvw36whr6vfwhr2k2qiuehqa._file
Verdict:
malicious
Similar samples:
0b97c43d0eb22c21c8c4be37b6b45a1fd2acc9aa8c2a30012a06c2a0fb23a1f2
Formbook
129156f77f3dca373d74c668a7e4250e0812fb36bdb926aeb2ef0dec4c122846
Formbook
19b86526b9c8b33ee230bba95c8a02fc47db4d230933c3ebcb6888e0dd344f77
Formbook
3cadb32dafeb421b94c09ca30944385141cbd4b032589b92bac948f27c287dfd
Formbook
4a5be9ff6a2401e1d1d08a56acf3664ccddbae314a1d26e6debc90adb401d414
Formbook
6282a84266a87aa1e62b1304913bfdc8ce4c122f59f5731503f78655beaaa27e
Formbook
9669bb3304a589cfcbd3faca14cfa67aaf2b1bdb5bf61c285292e872c03ba5bf
Formbook
ccbdd15e650bb5d3bb0e22c96cfb7d03b38b1fcbd7f7c161c87726fa04df6570
Formbook
d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
Formbook
+ 1'156 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cr12 rat spyware stealer trojan
Link:
https://tria.ge/reports/240528-jhh2tsbc6s/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fdf42684-e6cd-4218-9418-f44d055745d7
Unpacked files
SH256 hash:
5354bc116f24a240380a1dd62ae528694ea44a96857ccdefe4bc98eea1c61067
MD5 hash:
89e349ef025a380916b91e997abe2487
SHA1 hash:
ad6eab55054ea27a970f6a075118665f10ea09bb
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/5b50bdae-dda5-447b-85dc-26db4da70ef2/
Parent samples :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 hash:
0134918756507ada151c10f1474362b58a3285aaa90d0946b879760090545d5a
MD5 hash:
87d61a04a97bd615bfee95790f89b970
SHA1 hash:
a118376f729458066efb709d529eb8dfc8f44611
Link:
https://www.unpac.me/results/5b50bdae-dda5-447b-85dc-26db4da70ef2/
SH256 hash:
e757c7bf23514be60ba688c5ae693a1a9532f7bb611d1ed3c80a9f29e09ffa47
MD5 hash:
ff5c3a129baf85e4d8ca0f86fd95d9fd
SHA1 hash:
72fb912fcd552a2afa41297fdfa799a0a53ebbc8
Link:
https://www.unpac.me/results/5b50bdae-dda5-447b-85dc-26db4da70ef2/
SH256 hash:
7a4c75ca2e6616f37e73aefda7c124e03de2eb13891b0246f6db7e623e95c130
MD5 hash:
fddb3d8a38c806a59fbbcd7301623e80
SHA1 hash:
42b66b0b6179cd57b6886488fda514929cb78a2d
Link:
https://www.unpac.me/results/5b50bdae-dda5-447b-85dc-26db4da70ef2/
SH256 hash:
32c209f2a6369f5bd203a36263a9c243947f0e61da9ef0de068ad1117a9108f0
MD5 hash:
8d1fa59e56a1e6a12aa52f40c4890050
SHA1 hash:
2064eb9d04cb6ca22390df04ec7c214a5642b3ae
Link:
https://www.unpac.me/results/5b50bdae-dda5-447b-85dc-26db4da70ef2/
SH256 hash:
380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0
MD5 hash:
34b8885c737fa78ecc68c1bf0628f8c0
SHA1 hash:
32936d1bce243a085c81147f1d569a1c20c44bb2
Link:
https://www.unpac.me/results/5b50bdae-dda5-447b-85dc-26db4da70ef2/
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/380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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 380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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