agenttesla | 52588494e071e71a1c8f47311bd922432d1c721dc7b10ad69f86afc651bb056b

General

Target

20f2885ae3ffb24d8a905b8714207d5b.exe
Size

732KB
MD5

20f2885ae3ffb24d8a905b8714207d5b
SHA1

1716b4edb74f10e0e2f6b9df93e112eb6a6a7a95
SHA256

52588494e071e71a1c8f47311bd922432d1c721dc7b10ad69f86afc651bb056b
SHA512

84cc72dc95afc050f2eea8d8867c42993d0db46f03bcfe39fc1d60586d7540a198f329ba841dc679909a021705cfe51ee7b107d9bd029a4e95ec1ae58052eb3e
SSDEEP

12288:dWOPU97PU9yUbnBLgZUkZOsBgo0q4wMCBMONUjZM4p9MTBI1HQeBmDi3Ck2Bb2iO:dWkkZOsBgo0q4wMCBMONuM43MTBIZQql

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ojototheworld.us
Port:
587
Username:
[email protected]
Password:
!wdHaaz9

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/3524-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/4440-7-0x00000000081A0000-0x00000000081B2000-memory.dmp	CustAttr

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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	20f2885ae3ffb24d8a905b8714207d5b.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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kSrYER = "C:\\Users\\Admin\\AppData\\Roaming\\kSrYER\\kSrYER.exe"	20f2885ae3ffb24d8a905b8714207d5b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4440 set thread context of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3524	20f2885ae3ffb24d8a905b8714207d5b.exe
3524	20f2885ae3ffb24d8a905b8714207d5b.exe
3524	20f2885ae3ffb24d8a905b8714207d5b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	20f2885ae3ffb24d8a905b8714207d5b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 4488	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	107
PID 4440 wrote to memory of 4488	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	107
PID 4440 wrote to memory of 4488	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	107
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109
PID 4440 wrote to memory of 3524	4440	20f2885ae3ffb24d8a905b8714207d5b.exe	109

C:\Users\Admin\AppData\Local\Temp\20f2885ae3ffb24d8a905b8714207d5b.exe
"C:\Users\Admin\AppData\Local\Temp\20f2885ae3ffb24d8a905b8714207d5b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KutogdgFsScBSF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA37.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4488
- C:\Users\Admin\AppData\Local\Temp\20f2885ae3ffb24d8a905b8714207d5b.exe
  "C:\Users\Admin\AppData\Local\Temp\20f2885ae3ffb24d8a905b8714207d5b.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\20f2885ae3ffb24d8a905b8714207d5b.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA37.tmp

Filesize
1KB

MD5
330b655832d19df164a6f7f547f5632a

SHA1
af8d96fbe05b17bbf3ec432fb7190452644c9d00

SHA256
73fe529ea38e7c5a023a25f8b2c60f91b54f14ac362dc26ce6836ba9f21b0d4f

SHA512
bd6c7e697df8d6d66e9f4ad91163dc791e875e88c31f85effcc93abf9d9593b5b9fbff527661d84a2731f42422267f225ca22d903be6cba49c910f34cb0fda9a

Download Submit
memory/3524-27-0x00000000057F0000-0x0000000005800000-memory.dmp

Filesize
64KB

Download
memory/3524-26-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/3524-24-0x00000000066C0000-0x0000000006726000-memory.dmp

Filesize
408KB

Download
memory/3524-23-0x0000000005A20000-0x0000000005A38000-memory.dmp

Filesize
96KB

Download
memory/3524-20-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/3524-22-0x00000000057F0000-0x0000000005800000-memory.dmp

Filesize
64KB

Download
memory/3524-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4440-10-0x0000000001290000-0x0000000001314000-memory.dmp

Filesize
528KB

Download
memory/4440-1-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4440-11-0x0000000001350000-0x0000000001392000-memory.dmp

Filesize
264KB

Download
memory/4440-9-0x0000000005370000-0x0000000005380000-memory.dmp

Filesize
64KB

Download
memory/4440-8-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4440-7-0x00000000081A0000-0x00000000081B2000-memory.dmp

Filesize
72KB

Download
memory/4440-21-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/4440-6-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/4440-5-0x0000000005370000-0x0000000005380000-memory.dmp

Filesize
64KB

Download
memory/4440-4-0x0000000005510000-0x00000000055AC000-memory.dmp

Filesize
624KB

Download
memory/4440-3-0x00000000053D0000-0x0000000005462000-memory.dmp

Filesize
584KB

Download
memory/4440-2-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/4440-0-0x0000000000920000-0x00000000009DE000-memory.dmp

Filesize
760KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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