MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df
SHA3-384 hash: b063450c2df7e398a166d97373872d59a7d63c1426900e51fd0673a1bee251ce02f87cd0757cd8300e41ff7b20e9e96e
SHA1 hash: d5becc89ed549a35cbbfd98833c447c424b41f47
MD5 hash: cb779d9a3d307c7fd888ced3c159fedc
humanhash: dakota-kilo-papa-louisiana
File name:SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.31590.11926
Download: download sample
Signature Formbook
Create hunting rule
File size:775'680 bytes
First seen:2024-02-01 03:23:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8Fd53rD22qIfazZy1kyLMC1w26v42FNLJaNT9fOjFNWc3TMTtNtCqIrIdaK3Amo5:grDIzzZy1kyuv42FNVaLOjFI8MTXqrIW
TLSH T14DF412B861995F1BC2BC94F4B4E181E243B6D42A5302F3C4DD85EDF962C6BF127A5283
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 13333b33333b3b23 (11 x AgentTesla, 5 x Formbook, 2 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 03:25:17 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/363e452a-dfdc-48a9-8123-a2e0a9972d96

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/473883/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.31590.11926.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hook packed
Link:
https://www.filescan.io/uploads/65bb0ed24e14bc8294057de1/reports/ba79a744-999f-42a0-9548-3f0edd57973b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/561c26d9-d9e3-472d-bf51-77750d1f5f77
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1384488
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384488 Sample: SecuriteInfo.com.W32.MSIL_K... Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 61 mail.coperwire.com 2->61 63 ip-api.com 2->63 65 3 other IPs or domains 2->65 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Sigma detected: Scheduled temp file as task from temp location 2->77 79 11 other signatures 2->79 8 SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.31590.11926.exe 7 2->8         started        12 RnaSevrQNVroCZ.exe 2->12         started        14 VLYdwNT.exe 2->14         started        16 VLYdwNT.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\RnaSevrQNVroCZ.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmpC424.tmp, XML 8->59 dropped 89 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->89 91 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->91 93 Uses schtasks.exe or at.exe to add and modify task schedules 8->93 101 2 other signatures 8->101 18 SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.31590.11926.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        37 2 other processes 8->37 95 Multi AV Scanner detection for dropped file 12->95 97 Machine Learning detection for dropped file 12->97 99 Injects a PE file into a foreign processes 12->99 25 RnaSevrQNVroCZ.exe 12->25         started        27 schtasks.exe 12->27         started        29 VLYdwNT.exe 14->29         started        31 schtasks.exe 14->31         started        33 VLYdwNT.exe 16->33         started        35 schtasks.exe 16->35         started        signatures6 process7 dnsIp8 67 api4.ipify.org 64.185.227.156, 443, 49734, 49737 WEBNXUS United States 18->67 69 ip-api.com 208.95.112.1, 49735, 49738, 49746 TUT-ASUS United States 18->69 71 coperwire.com 149.56.180.35, 49736, 49739, 49747 OVHFR Canada 18->71 53 C:\Users\user\AppData\Roaming\...\VLYdwNT.exe, PE32 18->53 dropped 55 C:\Users\user\...\VLYdwNT.exe:Zone.Identifier, ASCII 18->55 dropped 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->81 83 Tries to steal Mail credentials (via file / registry access) 18->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->85 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 27->43         started        45 conhost.exe 31->45         started        87 Tries to harvest and steal browser information (history, passwords, etc) 33->87 47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-01 02:36:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7t3nh5vh7saqlb6zrgiw7yvaigt73qwyc6cwntvvoauzo52wdpq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240201-dx2jtsacd3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of web browsers
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Unpacked files
SH256 hash:
4ada9d8c371e960de1103fb6161a6bfa791cd637d52e57d25803149d0951281f
MD5 hash:
20c5f8cafb2f670dc7cd97745251c661
SHA1 hash:
cbcdc9c4fe036404144d88fa0b27780297c7f20d
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Link:
https://www.unpac.me/results/477e0744-f17d-4e25-ad15-5a472603152c/
Parent samples :
844a5da9df7b604b6f85ca154026f32842425c57cdbdcd68cc6dc00d05dd1f29
6493d3a36512c2e8dc785d618a266f9de4fbbe23c39fb0be1829a7d622ac2a9c
dd00caf5d7f9bf6c5286c276edcbf1ab721a439345867a1b42a318b923c34314
4d113b9c60b2ec3b5fcf9be19607bd379534630ae6acbf9b64a5f48600f275f9
7a97e2e571d16bf14763fe2fdf5802a2c01e4d103b7eb98b9784a09b4d9cdc01
f322a7a1d67ff10904b653fbc984e11152de5128b935fe94af2da82213ab073d
87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df
abcb32a610543639dd938bd43e5edbf23f266b03cc301a072b8d1cd702b04c2b
5ed442604cd89e3da30ed1278f13300c6aef554cf0daa0e9b606696957c16747
693ae371f17cddec2a46582f46889577abf0e84185fd2f95191566061ca532c1
56186e8da853b2cabf3e4679d54e6d0218230de21949efbbd46744d1c241e6be
e7e75eae5d4bf17651e97bb0119c666e8db5c4f52fc60e5bf9d3a55155c2dd47
c639e017b9f754cefda7c602d09997b1c70c5cb4fbe38b2e17888c2d3ab43c2e
SH256 hash:
a91462e9c8e5d78d4047a80eb89a38c6e76e5d4cf6ac8ff7142e19bb7ecfbb82
MD5 hash:
b3200a8295f2098fa0078754ab6728ce
SHA1 hash:
b84d3cbebfd2eb9822664ca47fe56e6ee95e0ddc
Link:
https://www.unpac.me/results/477e0744-f17d-4e25-ad15-5a472603152c/
SH256 hash:
884806046b1703d849b337e918cd89a3ce3b3d843fbcbbf9467677907c08bf63
MD5 hash:
fb1569e7d3e2fa574bc8098dc9c0c584
SHA1 hash:
92360afde7125435e8d4ebeaedf65691150a2b1c
Link:
https://www.unpac.me/results/477e0744-f17d-4e25-ad15-5a472603152c/
SH256 hash:
c3f7a9a1f22057747d62ac0436211ed72fd7c1656294e300a5f09c929de0d2a5
MD5 hash:
29a61619de04761d8fb86bb3815557db
SHA1 hash:
695994a8743250926a0f65ccf9eb342fedd8783b
Link:
https://www.unpac.me/results/477e0744-f17d-4e25-ad15-5a472603152c/
SH256 hash:
20e860cbe8eaad1a1ffde6ec19b34c330e328ac937fafeb0b4997248d5a0ceb2
MD5 hash:
1a947f3b1e7b11693c6b4c8fd1438f35
SHA1 hash:
217cb114b9e02a79bf40268c196e3729a033e061
Link:
https://www.unpac.me/results/477e0744-f17d-4e25-ad15-5a472603152c/
SH256 hash:
87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df
MD5 hash:
cb779d9a3d307c7fd888ced3c159fedc
SHA1 hash:
d5becc89ed549a35cbbfd98833c447c424b41f47
Link:
https://www.unpac.me/results/477e0744-f17d-4e25-ad15-5a472603152c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87e7b69fb53f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.92
Link:
https://yomi.yoroi.company/submissions/87e7b69fb53fe4082c3ecc4c8b7f15020d3fee16c0bc2b3675ab814cbbbab0df

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

Cape
Cape
https://www.capesandbox.com/analysis/473883/

Comments