agenttesla | 8ca6c923c4635a2359c91abcfd96c49cc9d324c32c955ba307f9f3615fa188a5

General

Target

e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe
Size

720KB
MD5

e267723d89607c8ccd079cb8313e5745
SHA1

5cd0eb9a68066210b62c38600a5eac848fb89143
SHA256

8ca6c923c4635a2359c91abcfd96c49cc9d324c32c955ba307f9f3615fa188a5
SHA512

c8e0821aeff3c3ab079353773a40bbd22c5edbf9d93437ca072eb8538af587b6abd68b29e5febc0ad7b05574b0445222141a928e153166897f0cc8cfa472d674
SSDEEP

12288:k8M+PhoupkVLmp8F7vM3uTAcynDtzpuKvGYolPloCx1mX53wk6DG34v:k8LPhoSzAWGPO6e3vQS4

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mail.ru
Port:
587
Username:
[email protected]
Password:
sara@200million2

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/4104-17-0x0000000000400000-0x000000000043C000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 876 set thread context of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105

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	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e267723d89607c8ccd079cb8313e5745_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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4104	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe
4104	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4104	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2744	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	103
PID 876 wrote to memory of 2744	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	103
PID 876 wrote to memory of 2744	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	103
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105
PID 876 wrote to memory of 4104	876	e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe	105

C:\Users\Admin\AppData\Local\Temp\e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LwferYSUz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FCC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4104

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4260,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4008 /prefetch:8
1⤵
PID:2752

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

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\e267723d89607c8ccd079cb8313e5745_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4FCC.tmp

Filesize
1KB

MD5
d9c37e810b2478ee1a1d5f5a9860f886

SHA1
20666764561a01652d5dca0ae4c7e024565e3deb

SHA256
1d2dbe646d6b6be3731e57acc3f00aa5207c4c14544674142591ec281ef0508a

SHA512
79826f7f2f32988c750151a2b4899c0ae27df69a6950f0d9d8a3e8307b2445061f18f4aa7215e452776e834fbe8ea18b1dca163e007318da2f93dc60fc4f2c87

Download Submit
memory/876-10-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/876-11-0x0000000000C70000-0x0000000000CDC000-memory.dmp

Filesize
432KB

Download
memory/876-4-0x0000000004D90000-0x0000000004E22000-memory.dmp

Filesize
584KB

Download
memory/876-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/876-6-0x0000000004EA0000-0x0000000004EF6000-memory.dmp

Filesize
344KB

Download
memory/876-7-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/876-8-0x0000000004E90000-0x0000000004E9A000-memory.dmp

Filesize
40KB

Download
memory/876-9-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/876-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/876-3-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/876-2-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

Filesize
624KB

Download
memory/876-21-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/876-1-0x0000000000280000-0x000000000033A000-memory.dmp

Filesize
744KB

Download
memory/4104-20-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4104-22-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-23-0x0000000005310000-0x0000000005328000-memory.dmp

Filesize
96KB

Download
memory/4104-24-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/4104-25-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-26-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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