agenttesla | 4135f0cde1c903b383f707bee508f1c373d4db1473e9dde44e385e331f6d22e9

General

Target

FVN001-230824.pdf.exe
Size

698KB
MD5

c886350c4259dd843104cd51524770a0
SHA1

595198caebae2f64c3d008425b782e2d7a5f3c00
SHA256

36847d6a88e758a4d823a6e100746c1f505678f8c286ddc2e942c2329ccc36ee
SHA512

e3a7bfe55dab903a28e47be2444ba2b6f68e06602fc28fe0a58fc5d2fd1a045bee5a96eec9f1848a0a221922e91c4b5edd5a0498436916a17ff6c24a04f0056d
SSDEEP

12288:y+DbgAB778Qe2Y2NW76+Lm+nMO6a4Ti+N5qcQB0omFFUoIglO2+1lyV+Rro7n9m:jgABa+W764t6a4+4LQB0oEFUoIE+1u6k

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.nationalkham.com
Port:
587
Username:
[email protected]
Password:
kham1234
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

26 ip-api.com
23 api.ipify.org
24 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

FVN001-230824.pdf.exe

description pid process target process

PID 3540 set thread context of 1624 3540 FVN001-230824.pdf.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

FVN001-230824.pdf.exeRegSvcs.exe

pid process

3540 FVN001-230824.pdf.exe
3540 FVN001-230824.pdf.exe
3540 FVN001-230824.pdf.exe
3540 FVN001-230824.pdf.exe
1624 RegSvcs.exe
1624 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FVN001-230824.pdf.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3540 FVN001-230824.pdf.exe
Token: SeDebugPrivilege 1624 RegSvcs.exe

flow	ioc
26	ip-api.com
23	api.ipify.org
24	api.ipify.org

description	pid	process	target process
PID 3540 set thread context of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe

pid	process
3540	FVN001-230824.pdf.exe
3540	FVN001-230824.pdf.exe
3540	FVN001-230824.pdf.exe
3540	FVN001-230824.pdf.exe
1624	RegSvcs.exe
1624	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3540	FVN001-230824.pdf.exe
Token: SeDebugPrivilege	1624	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

FVN001-230824.pdf.exe

description	pid	process	target process
PID 3540 wrote to memory of 3664	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 3664	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 3664	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1168	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1168	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1168	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe
PID 3540 wrote to memory of 1624	3540	FVN001-230824.pdf.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\FVN001-230824.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\FVN001-230824.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:3664

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:1168

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1624-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1624-19-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/1624-18-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1624-17-0x0000000006AE0000-0x0000000006B30000-memory.dmp

Filesize
320KB

Download
memory/1624-16-0x0000000005760000-0x00000000057C6000-memory.dmp

Filesize
408KB

Download
memory/1624-15-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/1624-13-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/3540-4-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/3540-8-0x00000000066A0000-0x00000000066B6000-memory.dmp

Filesize
88KB

Download
memory/3540-9-0x00000000066E0000-0x0000000006764000-memory.dmp

Filesize
528KB

Download
memory/3540-10-0x0000000008F20000-0x0000000008FBC000-memory.dmp

Filesize
624KB

Download
memory/3540-7-0x0000000006690000-0x000000000669E000-memory.dmp

Filesize
56KB

Download
memory/3540-6-0x0000000006AF0000-0x0000000006B08000-memory.dmp

Filesize
96KB

Download
memory/3540-14-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/3540-5-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/3540-0-0x0000000000A30000-0x0000000000AE4000-memory.dmp

Filesize
720KB

Download
memory/3540-3-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/3540-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/3540-1-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads