agenttesla | 892d500a68b8bea757537fe603d7c217488f8526ec28f6dd52d85528ef9a1eb2

General

Target

tmp.exe
Size

858KB
MD5

d7ccd654ae1d4930c48652bc82d37120
SHA1

2897d0512d2007620dcb6bf050efa33112093133
SHA256

892d500a68b8bea757537fe603d7c217488f8526ec28f6dd52d85528ef9a1eb2
SHA512

3fbf2a515053c9fbf7914166ec19f0c9cc3b269b3c1e59c3b28c751d0690ee22ddcd01dd09b0b7870072bf3260688dca8180da6ba26a7100d5fdffe4d5baef03
SSDEEP

24576:1WNiEnfcWhwAQBWuqPL5olwjtAfXbgypF:6JThtQA/j5oyjtA/9pF

Score

10^/10

agenttesla guloader downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.siscop.com.co
Port:
21
Username:
[email protected]
Password:
+5s48Ia2&-(t

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

tmp.exe

pid process

2788 tmp.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

msbuild.exe

pid process

1916 msbuild.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

tmp.exemsbuild.exe

pid process

2788 tmp.exe
1916 msbuild.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 2788 set thread context of 1916 2788 tmp.exe msbuild.exe

pid	process
2788	tmp.exe

pid	process
1916	msbuild.exe

pid	process
2788	tmp.exe
1916	msbuild.exe

description	pid	process	target process
PID 2788 set thread context of 1916	2788	tmp.exe	msbuild.exe

Drops file in Program Files directory 1 IoCs

Processes:

tmp.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\victorianerne\censorial\statuetternes\indgrebskriterium\sljfningers.ini	tmp.exe

Drops file in Windows directory 1 IoCs

Processes:

tmp.exe

description ioc process

File opened for modification C:\Windows\Fonts\megarhyssa\Bromometry\allerpopulreste\Croissanter.ini tmp.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msbuild.exe

pid process

1916 msbuild.exe
1916 msbuild.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

tmp.exe

pid process

2788 tmp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

msbuild.exe

description pid process

Token: SeDebugPrivilege 1916 msbuild.exe

description	ioc	process
File opened for modification	C:\Windows\Fonts\megarhyssa\Bromometry\allerpopulreste\Croissanter.ini	tmp.exe

pid	process
1916	msbuild.exe
1916	msbuild.exe

pid	process
2788	tmp.exe

description	pid	process
Token: SeDebugPrivilege	1916	msbuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 2788 wrote to memory of 1916	2788	tmp.exe	msbuild.exe
PID 2788 wrote to memory of 1916	2788	tmp.exe	msbuild.exe
PID 2788 wrote to memory of 1916	2788	tmp.exe	msbuild.exe
PID 2788 wrote to memory of 1916	2788	tmp.exe	msbuild.exe
PID 2788 wrote to memory of 1916	2788	tmp.exe	msbuild.exe
PID 2788 wrote to memory of 1916	2788	tmp.exe	msbuild.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2788

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nst97BE.tmp\System.dll
Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/1916-26-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-25-0x0000000072AC0000-0x0000000072B02000-memory.dmp

Filesize
264KB

Download
memory/1916-32-0x0000000033E20000-0x0000000033E60000-memory.dmp

Filesize
256KB

Download
memory/1916-31-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-28-0x0000000033E20000-0x0000000033E60000-memory.dmp

Filesize
256KB

Download
memory/1916-20-0x0000000000E20000-0x0000000001E41000-memory.dmp

Filesize
16.1MB

Download
memory/1916-22-0x0000000000E20000-0x0000000001E41000-memory.dmp

Filesize
16.1MB

Download
memory/1916-23-0x0000000072AC0000-0x0000000073B22000-memory.dmp

Filesize
16.4MB

Download
memory/1916-21-0x0000000077540000-0x00000000776E9000-memory.dmp

Filesize
1.7MB

Download
memory/1916-24-0x0000000000E20000-0x0000000001E41000-memory.dmp

Filesize
16.1MB

Download
memory/2788-16-0x0000000077540000-0x00000000776E9000-memory.dmp

Filesize
1.7MB

Download
memory/2788-15-0x00000000034F0000-0x0000000004511000-memory.dmp

Filesize
16.1MB

Download
memory/2788-19-0x0000000074D50000-0x0000000074D56000-memory.dmp

Filesize
24KB

Download
memory/2788-18-0x0000000077730000-0x0000000077806000-memory.dmp

Filesize
856KB

Download
memory/2788-17-0x00000000034F0000-0x0000000004511000-memory.dmp

Filesize
16.1MB

Download

Analysis

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