agenttesla | e9767c506d805d84d30aba139bb06e03f96f3043e902e28d4b36255e9171095b

General

Target

Halkbank_Ekstre_20230426_075819_154055.exe
Size

1.0MB
MD5

d902389745181b9523d4e44853b49908
SHA1

b44969265ce1cb2aed4449ea5c0a1801e15f1a72
SHA256

e9767c506d805d84d30aba139bb06e03f96f3043e902e28d4b36255e9171095b
SHA512

0aeb148113c6ddf1f4a18d2ef80146101f51900c66b41ffee3ba05cb60accc4caa0a402349a25023454b29017077827353756fe9b3e73bb9255f53a27425fd52
SSDEEP

12288:IGIhkZ5E+FFxaj4eM20QwoVFuLIY7FeYAACNfJKge+umkTB8v+HA:INK/E+FCm20QwoVF8j4YVCND4NKv

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1181694684779774053/cjX92o8l0vLPPbckpCo-xQ0jvH0TS_eICms_KB3YyUJFt-WblpJpKAzIalPuSzKKPxcp

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4120 set thread context of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4296	Halkbank_Ekstre_20230426_075819_154055.exe
4296	Halkbank_Ekstre_20230426_075819_154055.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4296	Halkbank_Ekstre_20230426_075819_154055.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104
PID 4120 wrote to memory of 4296	4120	Halkbank_Ekstre_20230426_075819_154055.exe	104

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Halkbank_Ekstre_20230426_075819_154055.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4120-10-0x0000000008530000-0x00000000085AC000-memory.dmp

Filesize
496KB

Download
memory/4120-5-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/4120-11-0x000000000ABF0000-0x000000000AC8C000-memory.dmp

Filesize
624KB

Download
memory/4120-17-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4120-12-0x0000000005A90000-0x0000000005AA0000-memory.dmp

Filesize
64KB

Download
memory/4120-6-0x0000000005BD0000-0x0000000005BEA000-memory.dmp

Filesize
104KB

Download
memory/4120-7-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4120-9-0x0000000006B80000-0x0000000006B8A000-memory.dmp

Filesize
40KB

Download
memory/4120-8-0x0000000005C10000-0x0000000005C18000-memory.dmp

Filesize
32KB

Download
memory/4120-0-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4120-3-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/4120-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

Filesize
5.6MB

Download
memory/4120-4-0x0000000005A90000-0x0000000005AA0000-memory.dmp

Filesize
64KB

Download
memory/4120-1-0x0000000000D00000-0x0000000000E12000-memory.dmp

Filesize
1.1MB

Download
memory/4296-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4296-19-0x0000000005190000-0x00000000051F6000-memory.dmp

Filesize
408KB

Download
memory/4296-18-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/4296-16-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4296-20-0x0000000005E30000-0x0000000005E80000-memory.dmp

Filesize
320KB

Download
memory/4296-21-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4296-22-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing