Analysis
- max time kernel
143s - max time network
143s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:18
Static task
static1
Behavioral task
behavioral1
Sample
[LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
[LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe
Resource
win10v20201028
General
- Target [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe
- Size 494KB
- Sample201109-jvb7g7ds3e
- SHA256 3be0077c6f64fbd2d0e432bc48a369f17242ba95e26c36bde1ef5c7cc4940b05
- MD5 44a0c63660758203b1a004db121945bd
- SHA1 60788c633bfe48ce696ae143cf23c85c40c242cf
- SHA512 996b01c544b04835cf9a36eb7d077b025f248a4ca1fa38db94666cd2ec264827bca0da4760994872918f3fbb3f040aef4cee486014084b7e287b2e133b942f58
- MD5 SHA1 SHA512
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.suryatravels.com
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Port
587
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Username
-
Password
ashatravel2017
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/816-2-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral2/memory/816-3-0x000000000044BA0E-mapping.dmp family_agenttesla - 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
description pid Process procid_target PID 912 set thread context of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3556 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 816 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 816 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe Token: SeDebugPrivilege 816 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 912 wrote to memory of 3556 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 75 PID 912 wrote to memory of 3556 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 75 PID 912 wrote to memory of 3556 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 75 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77 PID 912 wrote to memory of 816 912 [LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\[LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe"C:\Users\Admin\AppData\Local\Temp\[LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ixEpyAXawJvN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5932.tmp"2⤵
- Creates scheduled task(s)
PID:3556
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C:\Users\Admin\AppData\Local\Temp\[LUM CHANG, SINGAPORE], INVITATION TO TENDER FOR NORTH-SOUTH CORRIDOR PROJECT, SINGAPORE.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:816
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