agenttesla | 9dc6644b59a4c37995b0c017256d938e03f6dc26a7b2cfee9f6eac92d8457dc6

General

Target

JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe
Size

430KB
MD5

99c99ae716fba538d8685f2e9d5f9be5
SHA1

4aac17819f8dc6a9435481fda825936c47aeb489
SHA256

9dc6644b59a4c37995b0c017256d938e03f6dc26a7b2cfee9f6eac92d8457dc6
SHA512

aafd92aae54543999bc54cc9f3ab1126a52c5d91e4bbca17c9bf07d36132c84c1b76e945d1ce3ccd5dcecb1d187a225ed85423ab0338ccbc7dc016a9ed1e6750
SSDEEP

6144:hBlL/+lrHomkbgytaFTAGGW56pXrT6DpFpK7ULtVjHIvDp2IWyxRKQXPn03fmoGT:nNbrGAGGy6pXAhqYA8IhPOfmoGT

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 4 IoCs

resource	yara_rule
behavioral1/memory/2256-9-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2256-12-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2256-11-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2256-13-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

pid	Process
2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe
2256	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2060 wrote to memory of 2256	2060	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	29
PID 2256 wrote to memory of 2788	2256	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	30
PID 2256 wrote to memory of 2788	2256	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	30
PID 2256 wrote to memory of 2788	2256	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	30
PID 2256 wrote to memory of 2788	2256	JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99c99ae716fba538d8685f2e9d5f9be5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 512
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsj6DA2.tmp\woskyvpzx.dll

Filesize
19KB

MD5
dd4ff4b24f8b39951e3946a5282b7ed0

SHA1
d4d1015d01326ba4526fcff52e4c9bbb271d951e

SHA256
f880d09a6f9bc64f974844f92fa9bb764dc2613342fde134d8c037a2267506bc

SHA512
6e822b523f15948a42b1d2703525c8f3744fbb6a7e3aff99345908822fbd65dafe38d6972976211f9558c712d65be1c1a42bb9dabb63fb4576c409ce95e93528

Download Submit
memory/2060-7-0x0000000010005000-0x0000000010007000-memory.dmp

Filesize
8KB

Download
memory/2256-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2256-12-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2256-11-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2256-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2788-14-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download

Analysis

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