agenttesla | 2122beff06c9c868008da7f8d5659f4866b5696a809abf8c48b231db6e6a690f

General

Target

e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
Size

345KB
MD5

e049bf2e95cfd9354cd04da57dc33e0d
SHA1

e5b896193a4bcfd10723dd914e2f19fd693df9b3
SHA256

2122beff06c9c868008da7f8d5659f4866b5696a809abf8c48b231db6e6a690f
SHA512

f01d1c90cd261c21a7536cc907e9bf3d0a6e3b45f6f60cc18da9350f687116d404161c1d5ead05bcad30da8b2f0c94fc3068389db6820be16a06fbf8cad10dcd
SSDEEP

6144:011QE6KflZF3TcH76K9Wwj1JJUkOOeaGO+/5cX52J2w:sFrITWwBJJfOOfGB/Q2Jr

Score

10^/10

agenttesla collection credential_access 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 payload 4 IoCs

resource	yara_rule
behavioral1/memory/2760-16-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2760-18-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2760-19-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2760-20-0x00000000044B0000-0x00000000044EC000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 2 IoCs

pid	Process
2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2088 set thread context of 2760	2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe	31

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 2 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	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
2760	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
2760	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2760	2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe	31
PID 2088 wrote to memory of 2760	2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe	31
PID 2088 wrote to memory of 2760	2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe	31
PID 2088 wrote to memory of 2760	2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe	31
PID 2088 wrote to memory of 2760	2088	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.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:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tdh.dll

Filesize
20KB

MD5
1dafb2cf34f35d5814c11c4c7c97aad8

SHA1
3f49bcb442c672bda015eebc1e1e6ca8584b2c01

SHA256
a6ab79699435b6f5879e540cb754be7a637e7b878b3decd87a6a9445f81ae6d6

SHA512
c8c0b1529aae25a95b053f82724ac1b60e4a1ab3493187691aab8a46c93414379222c06de238b7f351bd062ab7aa8a03e5d5b2122a0d9b1b30712501b6780365

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9649.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/2088-15-0x0000000010005000-0x0000000010007000-memory.dmp

Filesize
8KB

Download
memory/2760-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2760-18-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2760-19-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2760-20-0x00000000044B0000-0x00000000044EC000-memory.dmp

Filesize
240KB

Download

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