Overview
overview
10Static
static
NDt93WWQwd089H7.exe
windows7_x64
10NDt93WWQwd089H7.exe
windows10-2004_x64
4YyeznSFcE5IUYLS.exe
windows7_x64
10YyeznSFcE5IUYLS.exe
windows10-2004_x64
4w7a5Qzx6sR1WxLJ.exe
windows7_x64
1w7a5Qzx6sR1WxLJ.exe
windows10-2004_x64
10wCRnCAMZ3yT8BQ2.exe
windows7_x64
10wCRnCAMZ3yT8BQ2.exe
windows10-2004_x64
10Analysis
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max time kernel
151s -
max time network
127s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
21-02-2022 11:06
Static task
static1
Behavioral task
behavioral1
Sample
NDt93WWQwd089H7.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
NDt93WWQwd089H7.exe
Resource
win10v2004-en-20220113
Behavioral task
behavioral3
Sample
YyeznSFcE5IUYLS.exe
Resource
win7-en-20211208
Behavioral task
behavioral4
Sample
YyeznSFcE5IUYLS.exe
Resource
win10v2004-en-20220112
Behavioral task
behavioral5
Sample
w7a5Qzx6sR1WxLJ.exe
Resource
win7-en-20211208
Behavioral task
behavioral6
Sample
w7a5Qzx6sR1WxLJ.exe
Resource
win10v2004-en-20220113
Behavioral task
behavioral7
Sample
wCRnCAMZ3yT8BQ2.exe
Resource
win7-en-20211208
General
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Target
YyeznSFcE5IUYLS.exe
-
Size
936KB
-
MD5
49ad4e42ac4829d60cb703811a951363
-
SHA1
d0deb06327fc6545177fabaaff9a14312a9e2d2c
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SHA256
a5eb38594eb57ed5010a258b0f35aa3647243e8eb5ba4474eee9808abcaeb149
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SHA512
7a144c931c1b313f4783c1b11e7df41ac1a893bfb80dce5942eb75e8b0e9533c3de7cf720444070df4d95dc730227e71b0542e769fc6a41e22008d901d141700
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.privateemail.com - Port:
587 - Username:
[email protected] - Password:
MARYolanmauluogwo@ever
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral3/memory/1148-62-0x0000000000400000-0x0000000000458000-memory.dmp family_agenttesla behavioral3/memory/1148-63-0x0000000000400000-0x0000000000458000-memory.dmp family_agenttesla behavioral3/memory/1148-64-0x0000000000400000-0x0000000000458000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
YyeznSFcE5IUYLS.exedescription pid process target process PID 1340 set thread context of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
YyeznSFcE5IUYLS.exepid process 1148 YyeznSFcE5IUYLS.exe 1148 YyeznSFcE5IUYLS.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
dw20.exepid process 1180 dw20.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
YyeznSFcE5IUYLS.exedescription pid process Token: SeDebugPrivilege 1148 YyeznSFcE5IUYLS.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
YyeznSFcE5IUYLS.exeYyeznSFcE5IUYLS.exedescription pid process target process PID 1340 wrote to memory of 1212 1340 YyeznSFcE5IUYLS.exe schtasks.exe PID 1340 wrote to memory of 1212 1340 YyeznSFcE5IUYLS.exe schtasks.exe PID 1340 wrote to memory of 1212 1340 YyeznSFcE5IUYLS.exe schtasks.exe PID 1340 wrote to memory of 1212 1340 YyeznSFcE5IUYLS.exe schtasks.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1340 wrote to memory of 1148 1340 YyeznSFcE5IUYLS.exe YyeznSFcE5IUYLS.exe PID 1148 wrote to memory of 1180 1148 YyeznSFcE5IUYLS.exe dw20.exe PID 1148 wrote to memory of 1180 1148 YyeznSFcE5IUYLS.exe dw20.exe PID 1148 wrote to memory of 1180 1148 YyeznSFcE5IUYLS.exe dw20.exe PID 1148 wrote to memory of 1180 1148 YyeznSFcE5IUYLS.exe dw20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\YyeznSFcE5IUYLS.exe"C:\Users\Admin\AppData\Local\Temp\YyeznSFcE5IUYLS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XvrLwUcwoTObw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8556.tmp"2⤵
- Creates scheduled task(s)
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\YyeznSFcE5IUYLS.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 5163⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1180
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
9c0f2ed0a095047a5b4633d9fc2a5cb3
SHA1dc71a37efd0a07f94e188b4628a08fa043013897
SHA256cb978b6f4b93ad6f8cfb7203d995be6273e5dafccb46a1937c2d40455ca3a3a5
SHA5125156f77b4cd996cabebcdfe745ab2e0f766e1b7a0fd75d14ee3fd77baf5286b1c35b72207237f15f6c7385bc1b54c99f748e52707693f48d20c6c900ec445aa2