agenttesla | ef7f42f8ebfbe4e4067d95271ae8278a1aefe56250f0f34463c7a5ad263e3f72

General

Target

c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
Size

728KB
MD5

c8d3858bd9a46cf7d187ff76319de971
SHA1

82decde8004e36fb327d19a87c1e8b462e64f90f
SHA256

ef7f42f8ebfbe4e4067d95271ae8278a1aefe56250f0f34463c7a5ad263e3f72
SHA512

fd7d9c809753536240111dc2c7c53cd1db7a5dc19e10940cced6338164717361910c3353721041c73f8b0eba0aaf83613f183b5d46914a4f0fcd3e3565d51af6
SSDEEP

12288:GAuHRzXMlIGvLG9OgLrNMMfZppd3PSXdFXOzkiM:GAIRzXW6saMSeFXOz/

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/3496-17-0x0000000000400000-0x000000000043C000-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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	c8d3858bd9a46cf7d187ff76319de971_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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3908 set thread context of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103

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	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8d3858bd9a46cf7d187ff76319de971_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
4448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
3496	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
3496	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3496	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
Token: SeDebugPrivilege	3496	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 4448	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	100
PID 3908 wrote to memory of 4448	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	100
PID 3908 wrote to memory of 4448	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	100
PID 3908 wrote to memory of 3584	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	102
PID 3908 wrote to memory of 3584	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	102
PID 3908 wrote to memory of 3584	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	102
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103
PID 3908 wrote to memory of 3496	3908	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	103

C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qTseYAZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EEB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4448
- C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe"
  2⤵
  PID:3584
- C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_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:3496

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\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9EEB.tmp

Filesize
1KB

MD5
7c5966e1e850bf5041def9f29e66dbe1

SHA1
6e8ccd457ad384d015e0698bb2278847bfb30a85

SHA256
d6230336425d1fe420a83ee8654ddf1d9a8f39cebe5a9a50bcfa09a768bae9b7

SHA512
952ab0f464e3253f6224cf8fdb68ebbaab94706b0ce531ef09e314c54a706da4dc39a0aabbf32ade493d54ea24264f7632b436bc6e83f1c58afee0a72deddb6a

Download Submit
memory/3496-26-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-25-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-24-0x0000000005D80000-0x0000000005DE6000-memory.dmp

Filesize
408KB

Download
memory/3496-23-0x00000000053B0000-0x00000000053C8000-memory.dmp

Filesize
96KB

Download
memory/3496-22-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-20-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3908-10-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3908-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/3908-11-0x00000000010B0000-0x000000000111A000-memory.dmp

Filesize
424KB

Download
memory/3908-9-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/3908-8-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/3908-7-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3908-21-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3908-6-0x00000000054A0000-0x00000000054F6000-memory.dmp

Filesize
344KB

Download
memory/3908-5-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/3908-4-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/3908-3-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/3908-2-0x00000000051D0000-0x000000000526C000-memory.dmp

Filesize
624KB

Download
memory/3908-1-0x0000000000790000-0x000000000084C000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads