agenttesla | dae342e7ff601fc56257e1cc03a7eb9478d4215ba7bb2a5caaad4355bad886d6

Analysis

max time kernel
142s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
24/06/2021, 15:37

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General

Target
09d1bb01da8b74cca682766758b4d4bd.exe
Size 412KB
Sample210624-8f6h4a4mb2
SHA256 dae342e7ff601fc56257e1cc03a7eb9478d4215ba7bb2a5caaad4355bad886d6
MD5 09d1bb01da8b74cca682766758b4d4bd
SHA1 56b94f6484f17f87d4a91cd480f61128d2b376d9
SHA512 2135db5e2444cf62d5881d7b1b5714da876d26b4e49283353e10e588cba61288aa6ecc3864aa92df80f4e068e86a37e258649e58d16d55837a45175f3cbaaaa4
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.itelcom.net.au
Port
587
Username
[email protected]
Password
n.mackey

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral2/memory/2768-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2768-127-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral2/memory/2768-133-0x0000000005820000-0x0000000005D1E000-memory.dmp	family_agenttesla
behavioral2/memory/2768-138-0x0000000005820000-0x0000000005D1E000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 776 set thread context of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82

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

System Information Discovery
T1082

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
3988	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
776	09d1bb01da8b74cca682766758b4d4bd.exe
776	09d1bb01da8b74cca682766758b4d4bd.exe
776	09d1bb01da8b74cca682766758b4d4bd.exe
776	09d1bb01da8b74cca682766758b4d4bd.exe
2768	09d1bb01da8b74cca682766758b4d4bd.exe
2768	09d1bb01da8b74cca682766758b4d4bd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	776	09d1bb01da8b74cca682766758b4d4bd.exe
Token: SeDebugPrivilege	2768	09d1bb01da8b74cca682766758b4d4bd.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 3988	776	09d1bb01da8b74cca682766758b4d4bd.exe	78
PID 776 wrote to memory of 3988	776	09d1bb01da8b74cca682766758b4d4bd.exe	78
PID 776 wrote to memory of 3988	776	09d1bb01da8b74cca682766758b4d4bd.exe	78
PID 776 wrote to memory of 2748	776	09d1bb01da8b74cca682766758b4d4bd.exe	80
PID 776 wrote to memory of 2748	776	09d1bb01da8b74cca682766758b4d4bd.exe	80
PID 776 wrote to memory of 2748	776	09d1bb01da8b74cca682766758b4d4bd.exe	80
PID 776 wrote to memory of 2772	776	09d1bb01da8b74cca682766758b4d4bd.exe	81
PID 776 wrote to memory of 2772	776	09d1bb01da8b74cca682766758b4d4bd.exe	81
PID 776 wrote to memory of 2772	776	09d1bb01da8b74cca682766758b4d4bd.exe	81
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82
PID 776 wrote to memory of 2768	776	09d1bb01da8b74cca682766758b4d4bd.exe	82

C:\Users\Admin\AppData\Local\Temp\09d1bb01da8b74cca682766758b4d4bd.exe
"C:\Users\Admin\AppData\Local\Temp\09d1bb01da8b74cca682766758b4d4bd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zvELQlqalP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE9E8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3988
- C:\Users\Admin\AppData\Local\Temp\09d1bb01da8b74cca682766758b4d4bd.exe
  "{path}"
  2⤵
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\09d1bb01da8b74cca682766758b4d4bd.exe
  "{path}"
  2⤵
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\09d1bb01da8b74cca682766758b4d4bd.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768

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

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/776-123-0x0000000006FD0000-0x0000000007009000-memory.dmp

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memory/776-118-0x0000000005340000-0x0000000005341000-memory.dmp

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memory/776-119-0x0000000005130000-0x00000000051C2000-memory.dmp

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memory/776-120-0x0000000005190000-0x0000000005191000-memory.dmp

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memory/776-121-0x0000000005600000-0x0000000005602000-memory.dmp

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memory/776-122-0x0000000006DF0000-0x0000000006E6B000-memory.dmp

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memory/776-114-0x00000000007B0000-0x00000000007B1000-memory.dmp

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memory/776-116-0x00000000057A0000-0x00000000057A1000-memory.dmp

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memory/776-117-0x00000000051D0000-0x00000000051D1000-memory.dmp

Download

memory/2768-126-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2768-133-0x0000000005820000-0x0000000005D1E000-memory.dmp

Download

memory/2768-134-0x00000000059A0000-0x00000000059A1000-memory.dmp

Download

memory/2768-135-0x0000000006510000-0x0000000006511000-memory.dmp

Download

memory/2768-138-0x0000000005820000-0x0000000005D1E000-memory.dmp

Download