MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5
SHA3-384 hash: 1104ab61040921d2462517a159a010ba9229ffde1ba181ed03d361a91091fef04c982b4e1b8285133ba324f18efffebc
SHA1 hash: 03842b15ee6f274c67da1bc870d8544a300c20a1
MD5 hash: 2a217aebbd954c653e7074acae8d1e12
humanhash: snake-carolina-spaghetti-indigo
File name:RBLjYrgbIwPDKGg.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:808'456 bytes
First seen:2024-05-10 07:48:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:zOiM0+9qqQjNAkVPNawjQDXuNQo/kIh3Hkd7gYF:zNDBlVPNSEQosIhX2sg
Threatray 233 similar samples on MalwareBazaar
TLSH T1BE0523A23B589B15E2379FFB00745155377336A31132D74C6E9220DE0AE2B80A765FEB
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon e8d4aab2aa8eccd4 (8 x AgentTesla, 6 x Formbook, 1 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5.exe
Verdict:
Malicious activity
Analysis date:
2024-05-10 08:38:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/54bfc22b-a251-48e7-ae75-a75b7a9a3ea8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.LokiBot-10028088-0
Create hunting rule

Win.Packed.Pwsx-10028152-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys overlay packed
Link:
https://www.filescan.io/uploads/663dd17611114a9ab5e79a7b/reports/49899e03-e6dc-45e0-b56c-f4335edd3f6c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cde6ff3e-953d-46e4-9567-3d9debf81cef
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1439398
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1439398 Sample: RBLjYrgbIwPDKGg.exe Startdate: 10/05/2024 Architecture: WINDOWS Score: 100 34 www.quantumboulevard.xyz 2->34 36 www.linbreoffice.org 2->36 38 3 other IPs or domains 2->38 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 54 7 other signatures 2->54 10 RBLjYrgbIwPDKGg.exe 3 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 34->52 process4 signatures5 66 Injects a PE file into a foreign processes 10->66 13 RBLjYrgbIwPDKGg.exe 10->13         started        16 RBLjYrgbIwPDKGg.exe 10->16         started        18 RBLjYrgbIwPDKGg.exe 10->18         started        20 RBLjYrgbIwPDKGg.exe 10->20         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 22 NwdpKVmqAvfDYx.exe 13->22 injected process8 signatures9 56 Found direct / indirect Syscall (likely to bypass EDR) 22->56 25 unlodctr.exe 13 22->25         started        process10 signatures11 58 Tries to steal Mail credentials (via file / registry access) 25->58 60 Tries to harvest and steal browser information (history, passwords, etc) 25->60 62 Modifies the context of a thread in another process (thread injection) 25->62 64 2 other signatures 25->64 28 NwdpKVmqAvfDYx.exe 25->28 injected 32 firefox.exe 25->32         started        process12 dnsIp13 40 www.linbreoffice.org 64.225.91.73, 49724, 49725, 49726 DIGITALOCEAN-ASNUS United States 28->40 42 www.quantumboulevard.xyz 66.29.135.159, 49728, 49729, 49730 ADVANTAGECOMUS United States 28->42 44 2 other IPs or domains 28->44 70 Found direct / indirect Syscall (likely to bypass EDR) 28->70 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5/
Threat name:
ByteCode-MSIL.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2024-04-18 04:55:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fpgpuwgyluca7mc2xuofb3gra7cwycwcb6cfo3l2k64qotshdpsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
094f62c5791469b0fb9c210f61caaa8b4e6d5c1901672548435fd2897ac00bad
Formbook
6be1a2df82acf0799fc21beebf6819432322ed3cc49e56de8b58f0c259ed8a5a
Formbook
71a0db97867945fa69250aa55e3d997aaf11f5e401db8e59c87e7937e36343f0
Formbook
9172e4c414e78d7439122599ea987912ab0385b4eaece0ab86c5ccc6dd138bc7
Formbook
9acf79ea7507e73dadecddb7340b4162623a6f46289eb70517c5ff39121c11d0
Formbook
d5d49fbe4f955416afe5db8c735638cedde326347757e8c57323305480568418
Formbook
d806f682d459f166ee4cb6a5a82a2c38e70cbdec81358749315e60f97550778a
Formbook
f7decb942c4d2f001d2f810978463780697403597ed4f5102a19c27edd649ce3
Formbook
+ 223 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240510-jnshfsef25/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
4fd387bf8070993b326569b36950d53fd48ec4260a0e8ef63daf0a62fd8260c7
MD5 hash:
c7a5ff94cd69afb15e2a5c47087ee6f0
SHA1 hash:
be6cf08671406abeea69838958f3253b55f0122c
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
Parent samples :
3e9f913f4cf9b09b8a9bd4f91b9cf019ed50e6a7c8659af993b8bfafc3aed413
c040726eab61fc794f91f7d7712de11b4955c76db950e3b85ef57d413b15eb87
2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5
SH256 hash:
bc8542b7bbbfdb4f7b37497593bbc39835e5fc12341b581c37377b8241d83f18
MD5 hash:
abab05ee1cf56e3127913e9b2eb91d38
SHA1 hash:
e1348c71b67779558f53ab5988af5440a3ec72bf
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
49dd10d0475fad41bb981ae60ec78e5e40f0a3bf9770619773c54356857175ba
MD5 hash:
68ab1ad64df6e1dff02fb86a95141b9f
SHA1 hash:
e6ea1e31b4c7e074e77cd133eb405a59297a633d
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
26a36920e7a463398a4251828ec02fd965ad1d782f819b0c04904706efb083be
SH256 hash:
baa0bda022a64970c5be7e975198d5dd8229901e827b2bda8ed277c53e9fb950
MD5 hash:
1efe8c9276f935bf051c72a80a02d2c8
SHA1 hash:
13a1f62d3ad9375ca328ce8e393e4e235226bc3c
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
7a8de9499471d54fe29c49bcdd7e5d5624e1ea328479f44d3a8e26d847be0135
MD5 hash:
fc3dfb7892291c678fb1240b56b07b15
SHA1 hash:
f2f41e55d3674f89a1e8bc1eccecd3bb783c6cfc
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
8e3a91916a30ec59f72ab0a1918c207694fffd3db0feaac3386a41518e30ca39
MD5 hash:
6c9b65da5946fbf78b174535985eb3c0
SHA1 hash:
cb05298181b2c24d82e70191c4482cadccf2b2c4
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
01070260d679f4e83576d47e93c99c2951f0822c438fdbaaed1fa1ca95f784aa
MD5 hash:
41dece73d916d011488c4f4e2b7dd7a3
SHA1 hash:
6d8cc7ab2c134270341174343a99c00e6e21c93d
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
556c569b581022c0fbe61a7548c2a49428ffcdc8dd964215f15bfefc9425c865
MD5 hash:
23dec50bea58ded1fd650797abcdbe31
SHA1 hash:
4bfe19941f2bf75447062a12430c1946f13f5da7
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
e5b4ea5048efe78dc40b21083e0cf8f33a0cd25551ea87ea4fea595649b8ade2
MD5 hash:
19bcda89398c1fe059b706d77f32cb7a
SHA1 hash:
1bf51174d20c36517aab4f004ec219f0c41a0eff
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
1e04b9683545ef242383adfdac9c6eac0beb61276f8e4e18164defaea575205d
MD5 hash:
ac7647103559bbc49c1abb4f8abeca40
SHA1 hash:
0bf02cbc2e5b97c1bc33017ff08e66d61a2a68b8
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
SH256 hash:
2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5
MD5 hash:
2a217aebbd954c653e7074acae8d1e12
SHA1 hash:
03842b15ee6f274c67da1bc870d8544a300c20a1
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/0696394f-5add-4236-9b8c-5be5ff7d67c3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2bccfa58d85d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/2bccfa58d85d040fb05abd1c50ecd107c56c0ac20f84576d7a57b9074e471be5

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

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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