agenttesla | 7566294be06c8142dd6574ef56767f90a424edb4b8a21058bf8aea868c9c3cc3

General

Target

fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
Size

915KB
MD5

fdcb53a86670d5782e0ac4c069537b00
SHA1

36ddd04877b999473cf4e46b94f5330a559257cd
SHA256

7566294be06c8142dd6574ef56767f90a424edb4b8a21058bf8aea868c9c3cc3
SHA512

7c515e97f4ec22f0f103df8def0f934304a441149ffbac88adacf125873ce589282a1ae60e36dc5d6b8346ce369648d8883cce16dbd669bf115052357d288a49
SSDEEP

12288:xur8TrIF6cjKY+0b2NY5CDPvb7HJTfon0IFR5xvGCzBGWNZ5vSy6M:AD6cjv+0b2NY5sZon0I71AE

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1583923195:AAHUT4ueKfg_YIXfpMplquY6eX1fVChpGQQ/sendDocument

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2900-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2900-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2900-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2900-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2900-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/2644-3-0x00000000003A0000-0x00000000003B8000-memory.dmp	net_reactor

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33

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	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2020	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
2900	RegSvcs.exe
2900	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
Token: SeDebugPrivilege	2900	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2020	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	30
PID 2644 wrote to memory of 2020	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	30
PID 2644 wrote to memory of 2020	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	30
PID 2644 wrote to memory of 2020	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	30
PID 2644 wrote to memory of 1096	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	32
PID 2644 wrote to memory of 1096	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	32
PID 2644 wrote to memory of 1096	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	32
PID 2644 wrote to memory of 1096	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	32
PID 2644 wrote to memory of 1096	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	32
PID 2644 wrote to memory of 1096	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	32
PID 2644 wrote to memory of 1096	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	32
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2900	2644	fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NXciAkPU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF20C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF20C.tmp

Filesize
1KB

MD5
e05011a4f820e8bc158c986f89d9c424

SHA1
ed23448cc099d6a07ef1755d9a688b14275962bd

SHA256
1491920bc690195f19a54da51a5383296b47bd126dcff4f84751c6202bc036bd

SHA512
32b1166b5066f658c7e6055039027ce203ba221223dab461ec6b73a7625f5dffcea38a5e74af844de55aef87b531cef0dfc66cea6f7ef3f4ae34185e9fae3f92

Download Submit
memory/2644-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2644-1-0x00000000000E0000-0x00000000001CA000-memory.dmp

Filesize
936KB

Download
memory/2644-2-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-3-0x00000000003A0000-0x00000000003B8000-memory.dmp

Filesize
96KB

Download
memory/2644-4-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2644-5-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-6-0x0000000005680000-0x00000000056FC000-memory.dmp

Filesize
496KB

Download
memory/2644-25-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-24-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-23-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-26-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-27-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads