agenttesla | bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2023 02:36

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General

Target

bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
Size

696KB
MD5

942159927d5bc0cb1b02e398584cf1a9
SHA1

ef7a0a018ce8389b5a5e7c5af7a787a5695e3ebe
SHA256

bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91
SHA512

fb4ac3c81e7e1485de6fc48909bfb3dbf54d54067ba95ca6d540cd70a550d2e5e23f5b868afd217e906adaa64eff3994576248bacd1859bd7950cdb0919f2842
SSDEEP

12288:KueH5qZFQVFuC0aWx+LOoDDygLt3YI0Yn5YP7Z+P8nU2fLwHN+JoNcJjgntXyzrL:uqZFQt0n2OozVfH5X8nU2fkHN+u2i5yr

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server273.web-hosting.com
Port:
587
Username:
[email protected]
Password:
q@OOZf!+4ERy
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

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-1-5-21-2598572287-1024438387-935107970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
51	api.ipify.org
52	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3152 set thread context of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
4440	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
4440	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
3472	powershell.exe
3472	powershell.exe
3472	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
Token: SeDebugPrivilege	4440	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
Token: SeDebugPrivilege	3472	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 3472	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	103
PID 3152 wrote to memory of 3472	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	103
PID 3152 wrote to memory of 3472	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	103
PID 3152 wrote to memory of 4372	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	105
PID 3152 wrote to memory of 4372	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	105
PID 3152 wrote to memory of 4372	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	105
PID 3152 wrote to memory of 4672	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	106
PID 3152 wrote to memory of 4672	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	106
PID 3152 wrote to memory of 4672	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	106
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107
PID 3152 wrote to memory of 4440	3152	bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe	107

C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
"C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3472
- C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
  "C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe"
  2⤵
  PID:4372
- C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
  "C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe"
  2⤵
  PID:4672
- C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe
  "C:\Users\Admin\AppData\Local\Temp\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bb6455721221afb980661df55c7aa8ae40d04986bb48bb32638c656654955d91.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rptl1wuk.5ys.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3152-6-0x0000000005200000-0x000000000521A000-memory.dmp

Filesize
104KB

Download
memory/3152-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

Filesize
584KB

Download
memory/3152-4-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/3152-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp

Filesize
40KB

Download
memory/3152-16-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-7-0x0000000005EF0000-0x0000000005EF8000-memory.dmp

Filesize
32KB

Download
memory/3152-8-0x0000000005F00000-0x0000000005F0A000-memory.dmp

Filesize
40KB

Download
memory/3152-9-0x00000000064C0000-0x000000000653C000-memory.dmp

Filesize
496KB

Download
memory/3152-10-0x0000000008B20000-0x0000000008BBC000-memory.dmp

Filesize
624KB

Download
memory/3152-0-0x0000000000190000-0x0000000000244000-memory.dmp

Filesize
720KB

Download
memory/3152-2-0x0000000005220000-0x00000000057C4000-memory.dmp

Filesize
5.6MB

Download
memory/3152-1-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3472-38-0x000000007F000000-0x000000007F010000-memory.dmp

Filesize
64KB

Download
memory/3472-50-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/3472-19-0x0000000005120000-0x0000000005748000-memory.dmp

Filesize
6.2MB

Download
memory/3472-17-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3472-65-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3472-20-0x00000000026F0000-0x0000000002700000-memory.dmp

Filesize
64KB

Download
memory/3472-21-0x00000000026F0000-0x0000000002700000-memory.dmp

Filesize
64KB

Download
memory/3472-61-0x00000000075E0000-0x00000000075E8000-memory.dmp

Filesize
32KB

Download
memory/3472-23-0x0000000004FE0000-0x0000000005002000-memory.dmp

Filesize
136KB

Download
memory/3472-14-0x0000000002680000-0x00000000026B6000-memory.dmp

Filesize
216KB

Download
memory/3472-29-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/3472-34-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

Filesize
3.3MB

Download
memory/3472-35-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

Filesize
120KB

Download
memory/3472-36-0x00000000065B0000-0x00000000065FC000-memory.dmp

Filesize
304KB

Download
memory/3472-37-0x00000000026F0000-0x0000000002700000-memory.dmp

Filesize
64KB

Download
memory/3472-39-0x0000000006530000-0x0000000006562000-memory.dmp

Filesize
200KB

Download
memory/3472-40-0x0000000070090000-0x00000000700DC000-memory.dmp

Filesize
304KB

Download
memory/3472-60-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/3472-51-0x0000000006FD0000-0x0000000007073000-memory.dmp

Filesize
652KB

Download
memory/3472-59-0x0000000007500000-0x0000000007514000-memory.dmp

Filesize
80KB

Download
memory/3472-53-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/3472-52-0x0000000007900000-0x0000000007F7A000-memory.dmp

Filesize
6.5MB

Download
memory/3472-54-0x0000000007330000-0x000000000733A000-memory.dmp

Filesize
40KB

Download
memory/3472-56-0x0000000007540000-0x00000000075D6000-memory.dmp

Filesize
600KB

Download
memory/3472-57-0x00000000074C0000-0x00000000074D1000-memory.dmp

Filesize
68KB

Download
memory/3472-58-0x00000000074F0000-0x00000000074FE000-memory.dmp

Filesize
56KB

Download
memory/4440-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4440-15-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-22-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/4440-62-0x0000000007140000-0x0000000007190000-memory.dmp

Filesize
320KB

Download
memory/4440-18-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/4440-66-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-67-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download