agenttesla | 98e851cceece53c60eea3f983daa98881d60125370f1c64640cfb326ba2a211e

Analysis

max time kernel
44s
max time network
47s
platform
windows7_x64
resource
win7-20220414-en
submitted
09/05/2022, 03:18

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General

Target
Shipment Advise & BL draft.exe
Size 542KB
Sample220509-dtldfaccc8
SHA256 98e851cceece53c60eea3f983daa98881d60125370f1c64640cfb326ba2a211e
MD5 1bbbea7e7b7a9d660628b7cac3e131d0
SHA1 9115d4b4eb2afef968e3744bad44619671d7566f
SHA512 2dfb78c7d521552d8ee353faf51cc9ffd5a0b56aacaa4cb79a10b3ea96c76229f56abe41363a8b7b4a5e8efbf360bcae307a2d9f0cfba050fb86ff9d8e65c3fb
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.iuhk.org
Port
587
Username
[email protected]
Password
oT51%8
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 1008	1968	Shipment Advise & BL draft.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
852	1008	WerFault.exe	30

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1968	Shipment Advise & BL draft.exe
1008	Shipment Advise & BL draft.exe
1008	Shipment Advise & BL draft.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	Shipment Advise & BL draft.exe
Token: SeDebugPrivilege	1008	Shipment Advise & BL draft.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 744	1968	Shipment Advise & BL draft.exe	28
PID 1968 wrote to memory of 744	1968	Shipment Advise & BL draft.exe	28
PID 1968 wrote to memory of 744	1968	Shipment Advise & BL draft.exe	28
PID 1968 wrote to memory of 744	1968	Shipment Advise & BL draft.exe	28
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1968 wrote to memory of 1008	1968	Shipment Advise & BL draft.exe	30
PID 1008 wrote to memory of 852	1008	Shipment Advise & BL draft.exe	32
PID 1008 wrote to memory of 852	1008	Shipment Advise & BL draft.exe	32
PID 1008 wrote to memory of 852	1008	Shipment Advise & BL draft.exe	32
PID 1008 wrote to memory of 852	1008	Shipment Advise & BL draft.exe	32

C:\Users\Admin\AppData\Local\Temp\Shipment Advise & BL draft.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Advise & BL draft.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DGyJvK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6385.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:744
- C:\Users\Admin\AppData\Local\Temp\Shipment Advise & BL draft.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 984
    3⤵
    - Program crash
    PID:852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp6385.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp6385.tmp
Size 1KB
SHA256 78fa466549930d04d6f4aa5134e50d4517248fb55a85e38d2185d7c3c776401b
MD5 f407d562ae7b256bce65d20a6e52936d
SHA1 a03ff0f676858f60225dbdb663ae5abcd574dfdd
SHA512 56c3a7692c6b5cd30acf867e0af435b20852916e3f58573cb21107159207b9c1073e5ce695670fc0e70b50d79aa5a6bfdc520be773d4de19b7e7ad1c4dd19d0a
MD5 SHA1 SHA512

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memory/1008-61-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1008-62-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1008-64-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1008-65-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1008-66-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1008-71-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1008-69-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1968-58-0x00000000005B0000-0x00000000005EC000-memory.dmp

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memory/1968-57-0x0000000005250000-0x00000000052D2000-memory.dmp

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memory/1968-56-0x00000000003B0000-0x00000000003BA000-memory.dmp

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memory/1968-54-0x0000000000900000-0x000000000098E000-memory.dmp

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memory/1968-55-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

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