MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04. 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


Worm.Ramnit


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04
SHA3-384 hash: 116566b5efcdba0c4f69f2b1cd0a93ea871cb075c3f49516de9d918d14e57b2cf887526dc5cfc427a36742002f68946f
SHA1 hash: 6254940b4247ba8a0581a362813be070d0e34b99
MD5 hash: 3612fee7ae3ee6480c3804845c579255
humanhash: four-west-mockingbird-london
File name:WSock.dll
Download: download sample
Signature Worm.Ramnit
Create hunting rule
File size:94'208 bytes
First seen:2024-11-20 11:09:38 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash d6c5532ab4e867800429b207c6f6d4d8 (1 x Worm.Ramnit)
ssdeep 1536:YbeVnaYp+HbnvyeUMfF5TF4LIDA8VeKF0tk/Y88/3TGo3Mqr8j98ypwm/RO43gYZ:YdTfFUO1UO0q/YP/3Tr3MqgOPk99q2c
Threatray 29 similar samples on MalwareBazaar
TLSH T17093CF11B71010F2E4665A7A22EE4B76721F6C011BF053C35F3CE98DAF369E5A93A712
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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) (4504/4/1)
Magika pebin
Reporter Joker
Tags:dll opendir Worm.Ramnit

Intelligence

File Origin
# of uploads :
1
# of downloads :
433
Origin country :
GR GR
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Ramnit-1847
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673dc445ebd8decee51f5844
Tags:
ramnit nimnul rmndrp virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a file in the Program Files subdirectories
Launching a process
Searching for the browser window
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/673dc39603e404306c770514/reports/115d77d3-cd85-4c9a-bb13-058a17d19000/overview
Verdict:
Malicious
Labled as:
Virus.Nimnul
Link:
https://www.hybrid-analysis.com/sample/990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04
Malware family:
Ramnit
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0052e536-2bc0-43bf-800c-dbe1f080ff70
Result
Threat name:
Ramnit
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1559312
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executables to the windows directory (C:\Windows) and starts them
Found evasive API chain (may stop execution after checking mutex)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Ramnit
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1559312 Sample: WSock.dll Startdate: 20/11/2024 Architecture: WINDOWS Score: 100 86 www.msn.com 2->86 88 sni1gl.wpc.nucdn.net 2->88 90 9 other IPs or domains 2->90 106 Malicious sample detected (through community Yara rule) 2->106 108 Antivirus detection for dropped file 2->108 110 Antivirus / Scanner detection for submitted sample 2->110 112 7 other signatures 2->112 15 loaddll32.exe 2 2->15         started        18 msedge.exe 24 353 2->18         started        signatures3 process4 dnsIp5 84 C:\Windows\SysWOW64\loaddll32Srv.exe, PE32 15->84 dropped 22 cmd.exe 1 15->22         started        24 rundll32.exe 15->24         started        27 loaddll32Srv.exe 15->27         started        34 7 other processes 15->34 92 239.255.255.250 unknown Reserved 18->92 114 Drops executables to the windows directory (C:\Windows) and starts them 18->114 29 msedge.exe 18->29         started        32 msedge.exe 18->32         started        file6 signatures7 process8 dnsIp9 37 rundll32.exe 22->37         started        116 Drops executables to the windows directory (C:\Windows) and starts them 24->116 39 rundll32Srv.exe 24->39         started        118 Multi AV Scanner detection for dropped file 27->118 41 DesktopLayer.exe 27->41         started        94 googlehosted.l.googleusercontent.com 142.250.186.33, 443, 49713 GOOGLEUS United States 29->94 96 152.195.19.97, 443, 49810 EDGECASTUS United States 29->96 98 5 other IPs or domains 29->98 80 C:\Windows\SysWOW64\rundll32Srv.exe, PE32 34->80 dropped 43 rundll32Srv.exe 2 34->43         started        file10 signatures11 process12 process13 45 rundll32Srv.exe 3 37->45         started        49 DesktopLayer.exe 39->49         started        51 iexplore.exe 41->51         started        53 DesktopLayer.exe 43->53         started        file14 82 C:\Program Files (x86)\...\DesktopLayer.exe, PE32 45->82 dropped 120 Multi AV Scanner detection for dropped file 45->120 122 Found evasive API chain (may stop execution after checking mutex) 45->122 55 DesktopLayer.exe 45->55         started        57 iexplore.exe 49->57         started        59 iexplore.exe 53->59         started        signatures15 process16 process17 61 iexplore.exe 74 112 55->61         started        process18 63 iexplore.exe 6 41 61->63         started        66 iexplore.exe 61->66         started        68 iexplore.exe 61->68         started        70 iexplore.exe 61->70         started        dnsIp19 100 code.jquery.com 151.101.194.137, 443, 49751, 49752 FASTLYUS United States 63->100 102 sb.scorecardresearch.com 18.244.18.38, 443, 49743, 49744 AMAZON-02US United States 63->102 72 ie_to_edge_stub.exe 1 63->72         started        74 ssvagent.exe 501 63->74         started        104 prod.appnexus.map.fastly.net 151.101.129.108, 443, 49842, 49843 FASTLYUS United States 66->104 process20 process21 76 msedge.exe 11 72->76         started        process22 78 msedge.exe 76->78         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04
Detection:
ramnit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04/
Threat name:
Win32.Worm.Ramnit
Create hunting rule
Status:
Malicious
First seen:
2024-11-20 11:10:11 UTC
File Type:
PE (Dll)
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tebvp7qudn7a543w5m6xcj42nula7c532ptnexrgtq2k6uhg54ca._file
Verdict:
malicious
Label(s):
ramnit
Create hunting rule
Similar samples:
250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7
Worm.Ramnit
5dfa27c6b4dd919aedc0a98c0338e4d5c69284be6ea5a613199539481e9087f4
Worm.Ramnit
990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04
Worm.Ramnit
aa176ea000c0c8cb80c4e4e754aa073d09dd9d16497e87e4d893c4646054be92
Worm.Ramnit
d0df8fac2089608a6b5dee7132981e88ab3b98178aff1d3fe7e003d388541e24
Worm.Ramnit
e465f41c82dcc8e91aa580b348064196c696a6b76b28ee82d5e194ca2261e49e
Worm.Ramnit
error
Worm.Ramnit
+ 19 additional samples on MalwareBazaar
Result
Malware family:
ramnit
Create hunting rule
Score:
  10/10
Tags:
family:ramnit banker discovery spyware stealer trojan upx worm
Link:
https://tria.ge/reports/241120-m9p61azqhp/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
UPX packed file
Executes dropped EXE
Loads dropped DLL
Ramnit
Ramnit family
Unpacked files
SH256 hash:
839399d4ac9dbc6d97c5d119bace5b41707eb3b73f294e485a4d506a7e4fe03f
MD5 hash:
0785bfac4ea4f75d6391e7e20577c61d
SHA1 hash:
bea32d2a795b751abba0bc1c7b09f1d1528eada2
Link:
https://www.unpac.me/results/077faab2-7206-4eae-bfd0-8afa34370548/
SH256 hash:
6057d87753daee3c71eb8c0d3cb8582ea88d6e56f02864019db9fd7af3fb4a9f
MD5 hash:
651defc532f0e72be60621696aa97972
SHA1 hash:
43176a96322202fc8fd8901c213fde820d005871
Detections:
win_ramnit_g1
Create hunting rule
win_ramnit_auto
Create hunting rule
Link:
https://www.unpac.me/results/077faab2-7206-4eae-bfd0-8afa34370548/
Parent samples :
3aae149445e6ae7d5dff0a830abcd1bb26b868e4e7c8cf8bc625a9e46795d96b
4f71eb9c8a80ea511ade6a4ea951cd642c7046f3a97c7b965fdc732314bb3224
712902f16ad8e9570dc1e25dba5f4219f3fdd497d727f08dd98f1c6baa78335b
21077824b7eea56bdfe182de863fe599286c70fd067744faf6fa850da7342db3
3eabf4e909e889bfcb994a36d041ced30c30a377a6a0d6057eda4b8f35f4ca0e
1d448335a3b897166b49488a43f72689a054cd464ad5b5b148d57454d0515f50
680e418e349d611812a6afd357c39fa4fe3baf32cd95012f9b0632a364f2f349
bd5f19d54c0d5de713d609653e64116e07af8037a322f803850c9cb1e6a03c90
f158a9650580dcf9a875b153192a86e20798c7f01b4a458b668704661e2cc89c
b8e40ed3d1f01fd75f0f43d4784d92aaa9596f289f23c35969af1a4c1e149c30
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
4e707c27c365409032b8081092276d83498149589fa42c52271febbc5682bc81
0df97a0e5fe6fa55e4e8d20b0478a80dfb6d080bca66e630e9f80ed4838facee
06f2fef10fedbb774853c71cc9c923cd56d49d6165a6476fa7e5445550b0a6dc
81b64a354103b21b8d7f2bebb62923b5c2bc4f7f9cba5197fc24b5d869c032be
33b4058adaed65e17b07ee1c11af2c1a53e65dbd98f86cdfc72d841529160c14
aa7c68bbb7a270aede803fb6d767aaec5794724cb2711a34c15eac54cfd9a88f
d7ec3fcd80b3961e5bab97015c91c843803bb915c13a4a35dfb5e9bdf556c6d3
493c63489f594c10e1f5aace2dd833f3fddaac2800d3603498d2b4abe4bd7e0c
f09ec41136e8e5e5076ca495192d9326e5581c748148fa877412d466db26112d
33d3f697332b0fc4e09540cb9dc622ac0675fb8b2733554d4c0199307774ab52
973c7137d6a2921d75eb42cb09ef9270a60ca23f25457bb5803a604effd14eb4
93e0a3cbd07c8c1e99fea9e05a7a2bd7a312cf92d3b407be37db43774827ca09
876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c
b5aa1fa3949badd59b3c1a6f5a838c8eadf639c4199b7238179f0de512383217
60292e6be9d0d5e5f82a3382e4b69fcd19362b4c30a1829787dfc6ea5462a117
87c160843bc0bdcd754a151c288f899763494385830016c299245f1fe9354b54
daa4efd6ea62d68ce47d73ee57d12cacb07d84ed87e7b4d680c20a715e29e519
ab41d83fb3c5aedecd6fbb3c54ce1c3a58d73d9969fc9c76d01c1c3f2b8c8cc2
f2574f6588e32a3d97988edb359a4f0a9a2df8f36caf8a0e2597d46bb2551985
482991b76849008ad700cf7e29ddd2b3d00d7d40d69377650154dca3adfde791
be4f04a6cb1df55610f461e3e05d81daebe75cbab021746e0cbf6b05389ff02b
ceeed21fc6b040b57c17d0b94c3af9597abde599a37192f40730656e48633b51
d0265e42d4f24fa518f631540cd3e29d9f1086448400de348c300c63bf6aa35f
8a9e221015ab7127c650f6fe81ef3e062ae7ebe00f88ba04717189099862c7d7
d0df8fac2089608a6b5dee7132981e88ab3b98178aff1d3fe7e003d388541e24
ee9378542050d13b1028b443f214d363dac7d11c1229e7e9054efde251d3e36b
c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e
90dd057ac1bdec6b27174681b857af28e2ddd05f84b7536eecd28cf6cc1a1189
cb9e615dcaf44187ad82f13ee4b711c38696c33e0fc25aa44309937bd571811f
08e00ccaa704c210e5841227e0db6b5c911ad675f3eaf48f5a629877c0ac3de1
250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7
990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04
4bb178da0a560d36af39e243dda93fe45446907a00009210abd6ba1a036a600c
2c3804853d63043067a602c9b5271831d7c8b7b9bc91e39a061e28135588b6b3
SH256 hash:
990357fe141b7e0ef376eb3d71279a6d160f8bbbd3e6d25e269c34af50e6ef04
MD5 hash:
3612fee7ae3ee6480c3804845c579255
SHA1 hash:
6254940b4247ba8a0581a362813be070d0e34b99
Link:
https://www.unpac.me/results/077faab2-7206-4eae-bfd0-8afa34370548/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA

Comments