Analysis
-
max time kernel
135s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:39
Static task
static1
Behavioral task
behavioral1
Sample
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe
Resource
win10v2004-20240508-en
General
-
Target
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe
-
Size
872KB
-
MD5
0554428077178ad08f6323a63f539c20
-
SHA1
83c73ab3c57ad7c32d690b9f3016f1548535c1ff
-
SHA256
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2
-
SHA512
9b2ceb31765f82bf4d23175ec2ba58056df6aaf8bdd026fa28767baf024d81ffa7fcc399457c1c206d74e3fae2e567ebb4d3d7424846f9aa83f777395beb82b6
-
SSDEEP
12288:jjADhreCPb6Al2sNSj6c1WQK0DvFHPBVcjstytYyn37lKzdlqLPHTVHKL+wm:jjADhreCPc2YDv54B7l8vqzRHKi
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.carbognin.it - Port:
21 - Username:
[email protected] - Password:
59Cif8wZUH#X
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4440-13-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4440-13-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4440-13-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4440-13-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4440-13-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4440-13-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exedescription pid Process procid_target PID 4388 set thread context of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exepid Process 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 4440 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 4440 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exedescription pid Process Token: SeDebugPrivilege 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe Token: SeDebugPrivilege 4440 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exedescription pid Process procid_target PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 3332 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 107 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108 PID 4388 wrote to memory of 4440 4388 91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe 108
Processes
-
C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"2⤵PID:3332
-
-
C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4204,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4244 /prefetch:81⤵PID:112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe.log
Filesize1KB
MD560c8003e2f816f12023254fdd5b2d734
SHA143dd8890e4dffbf0bc0c646f1fedb6edbe567677
SHA256e148a6fa62202ed6cdb253f3ae65fc29bd1e7de0ca38c30224b0cde27d80ff99
SHA51259580ba990f7b03269a66d533ba96e54fee1beb2bdb1ded6de07e51f600635304d4fb5a06e601f20338d57f44633566b557374ec80881803c540edc6e4fd01a2