MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd. 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


AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd
SHA3-384 hash: 48295b55276098cf23a0dca854c94138a1446ad0399edcd09a9e83aabfeb4e99d0ba9520f78770ba718c0880a8cf1fa5
SHA1 hash: 0ff475457607b9f3dde49e0760b4ad8b9d97e2f6
MD5 hash: b2c52ec386bebbb744fd0d620b418f8b
humanhash: beryllium-robin-winner-asparagus
File name:payment july.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:667'648 bytes
First seen:2023-08-18 06:50:38 UTC
Last seen:2023-08-21 07:26:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:zIH23/gPrkV2zfgA/sFQa6YQZU3AgoVmAqin/+pCJNtb09Z:HwrkV8DyQaAZuPoVmAqA8UNV4
Threatray 937 similar samples on MalwareBazaar
TLSH T1CCE4E050339C3F33E839DBF5502268500BF66D1A61BAEA8C8EC339E72176F025A55E57
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
286
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
payment july.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 06:52:24 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/2ecde776-a316-4b5f-bea0-5d5b7d5b6c38

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/443413/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64df14d79a7e04b475d120f8/reports/32daa37f-8c4c-4e7e-9ab1-d59c6f3ea54c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/63f3b296-1359-4189-b3d0-2ee3ed8d9309
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1293258
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-18 00:57:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvn4rw4of2blvfgvjn7dolgsay3aqum7fgavv5chxlf2ah2mgp6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2f2238ba20cda49017c3d861729bbcde2143576afab80b5a2e4b3476bd2ca1fc
AgentTesla
3ba3a8e73d48a132f63802324e31098024a16b19fa4669aa04589bdb12382f5a
AgentTesla
4c15743287e80d5077f5bbd94c767bc734f1392abc330bb25d447b535efdae24
AgentTesla
ab642090d1dd077c53cecf69b23330c3ff5583d6ff47d6365cb9e5ed4c0e7d5d
AgentTesla
aed4ca29e0127320a814f0051b444338d8078cd79ee176c9db4a14c989dbf0c3
AgentTesla
b3eefb7225c8437ba7e9c6800ffdc0f2bb42225246bc7cc4944ba343b40459dc
AgentTesla
c0d4dfab211b00bc04b0ef763548fe9cd5d0ab7330546875ef1e29adcf33f800
AgentTesla
c939e913342c14722c46909cd0432823bf0dc2fe1f663dba7a812ef61e16dc92
AgentTesla
d22d6e60b9dbcdd803d619a6385de359f83f1140c0c69afccc89e0b122ec60ad
AgentTesla
e1b7acfbe15a0fde89a1bb1f0f51142061b2ff50bc6c33c770a40f1c43b0d7f6
AgentTesla
+ 927 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230818-hmhfesga58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
2b5a63e637457c440137183ae4678b80706ab2eaa201ccb43b21fa514afe3229
MD5 hash:
f4dd600d20acdf31ae6d13dcdd1c93fd
SHA1 hash:
f6d2f7a32793acade13cb7f895eb3fc0a59213e3
Link:
https://www.unpac.me/results/d7f098ce-6b03-4e89-b521-ce44abe9d629/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/d7f098ce-6b03-4e89-b521-ce44abe9d629/
SH256 hash:
23df016e0e92764db1cab91d4c6c5abcb5c0e25b29fb067d90ecf831b416a9c7
MD5 hash:
87b79d0dc884f4c74b653374962378fd
SHA1 hash:
1e8f497496825f6e5fc2bd97acc4ce1e90f0451a
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/d7f098ce-6b03-4e89-b521-ce44abe9d629/
Parent samples :
8889e85b6156b23dd3afb944e1c92e5f810ce7c2c8d09c6320426203a1c187ed
c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd
55afe787b99bebe36f3901d43bd558663ec74b1cfbd41cfdaaf2d1bc37eb9d68
ba265838add6a233d8c2d1fbe1ba1869d2e528a6790b24259c56a199a2f038cc
d94b4d69c06d2eac4da258d4eb8d12dfa72ee114f0a4734c6a0a1129a5eea622
0bca75e8f177577b1b44375eed8f4eddf8d64214f77297e58bd5647c1f8132b9
SH256 hash:
aa3670a577d4c6a9de6032190f2e147ca39d1a7b7cdaeba6b29205da945ba9f5
MD5 hash:
b2ba69c87d0423b3ea3e23e0784e8dbd
SHA1 hash:
0131a3bdd22a942b42310e1f9bfcba786d077959
Link:
https://www.unpac.me/results/d7f098ce-6b03-4e89-b521-ce44abe9d629/
SH256 hash:
c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd
MD5 hash:
b2c52ec386bebbb744fd0d620b418f8b
SHA1 hash:
0ff475457607b9f3dde49e0760b4ad8b9d97e2f6
Link:
https://www.unpac.me/results/d7f098ce-6b03-4e89-b521-ce44abe9d629/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c55bc8db8e2e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd

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: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

AgentTesla

Executable exe c55bc8db8e2e82ba94d54b7e372cd2063608519f29815af447bacba01f4c33fd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443413/

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