agenttesla | 7025646051d3e7f66b4ec927311cb7734c12ce5085335bca85251022e8ae7bcd

General

Target

ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe
Size

586KB
MD5

ffb39a1c35afd8da8fd2ec9cc9e6a3bc
SHA1

d23b985fe9f2a839b7a98b9ce5edcc290e490942
SHA256

7025646051d3e7f66b4ec927311cb7734c12ce5085335bca85251022e8ae7bcd
SHA512

a6b4c55b762d9303d8864152fd15456dc45680eb9b73219b52614efcdc5bc79e4ad60d3abb571a1a4c2808695269d161e6476448b8ba0df9916f69da53d1733c
SSDEEP

12288:F0zKcrXld21fNlRUcUInJdxTZxz4vmV++3lRUo4+ih8O5KUA2DEPrGx7z7jxwVTo:F1W6vnfFPQ+1BPih8lrGxv7+tT

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
SAIRAM@98765

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2288-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 424 set thread context of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93

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	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.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
1212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2288	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe
2288	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2288	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 1212	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	91
PID 424 wrote to memory of 1212	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	91
PID 424 wrote to memory of 1212	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	91
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93
PID 424 wrote to memory of 2288	424	ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:424
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IhnFmiUhKdm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE27B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1212
- C:\Users\Admin\AppData\Local\Temp\ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ffb39a1c35afd8da8fd2ec9cc9e6a3bc_JaffaCakes118.exe.log

Filesize
1KB

MD5
bb3d30439ec1e6435c3eac4df8c1d2e3

SHA1
c901d5946e53ae0a9e2417c8dfaf5786a0037422

SHA256
182adf89e57f80a92db9a5e13105cd59544f37855ca35f98116a0182ddd3b2e6

SHA512
d3547aadf665ce2552b3dfa350b80a5e813aa346870fb2b05a3b998096eebf563143bffe964e0f7243761b79420d1adf02f735779902901d1a41a1f35c557572

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE27B.tmp

Filesize
1KB

MD5
b0903ace4b5f358fd51116262c32a8cd

SHA1
f0af9d6a012a436f6fd4175fb2d1ea67c7c6ebe9

SHA256
4e55df0ee73cde2f4c68a14151f4fd7058e939feba6fbd21698f8f44ae403605

SHA512
a830cf06205d6fff4f4437f10c1f35546c8d98e2dfd8dae85fad22a0640ac163bbeb50addac2e4a271fecd4a338db3237f2f03442c8d69a0fc898c7a6a5d6861

Download Submit
memory/424-6-0x0000000005720000-0x0000000005776000-memory.dmp

Filesize
344KB

Download
memory/424-2-0x0000000005440000-0x00000000054DC000-memory.dmp

Filesize
624KB

Download
memory/424-4-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/424-0-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/424-5-0x0000000005580000-0x000000000558A000-memory.dmp

Filesize
40KB

Download
memory/424-7-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/424-8-0x0000000006040000-0x0000000006394000-memory.dmp

Filesize
3.3MB

Download
memory/424-9-0x0000000005A10000-0x0000000005A1A000-memory.dmp

Filesize
40KB

Download
memory/424-10-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/424-11-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/424-12-0x0000000001380000-0x00000000013F4000-memory.dmp

Filesize
464KB

Download
memory/424-3-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/424-21-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/424-1-0x00000000009F0000-0x0000000000A88000-memory.dmp

Filesize
608KB

Download
memory/2288-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2288-22-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-23-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-24-0x0000000005A00000-0x0000000005A18000-memory.dmp

Filesize
96KB

Download
memory/2288-25-0x00000000067A0000-0x0000000006806000-memory.dmp

Filesize
408KB

Download
memory/2288-26-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-27-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads