agenttesla | b37c5a75cb114df4c9d918cc41e3afd02de7a1d1c2ea5fc1e60413e229d24817

General

Target

file30028.exe
Size

907KB
MD5

c57847b414a71896c6b912649eaafe03
SHA1

a96ba25b276854b7b11c846329fe64088706ebb8
SHA256

b37c5a75cb114df4c9d918cc41e3afd02de7a1d1c2ea5fc1e60413e229d24817
SHA512

69f0bfe7c05523e817950fc57bcee0bba26548515fbd7823e60472d569854d726e7e3ef36ff4c446042bf3448b39583afa36cf1bfd05c5c7b4d91348a1cfb521
SSDEEP

12288:Z3IU8S6eUdMWmkAsCJr5WXoSRgakpzmW5722yyDFZ9UedS1Mh:RItSAdHCJVsfmDry6FZ9ddaM

Score

10^/10

agenttesla zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1183506281819033703/beWObMRAwhhuWKUuReztMOsKb_VVLWkTOFhB8jqLepxZT4XwRFc9Ez6FcUT7qeabsF0-

Signatures

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

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1852-6-0x0000000005A30000-0x0000000005A48000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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

Processes:

file30028.exe

description pid process target process

PID 1852 set thread context of 8 1852 file30028.exe file30028.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

408 8 WerFault.exe file30028.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

file30028.exefile30028.exe

pid process

1852 file30028.exe
1852 file30028.exe
1852 file30028.exe
1852 file30028.exe
8 file30028.exe
8 file30028.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

file30028.exefile30028.exe

description pid process

Token: SeDebugPrivilege 1852 file30028.exe
Token: SeDebugPrivilege 8 file30028.exe

description	pid	process	target process
PID 1852 set thread context of 8	1852	file30028.exe	file30028.exe

pid	pid_target	process	target process
408	8	WerFault.exe	file30028.exe

pid	process
1852	file30028.exe
1852	file30028.exe
1852	file30028.exe
1852	file30028.exe
8	file30028.exe
8	file30028.exe

description	pid	process
Token: SeDebugPrivilege	1852	file30028.exe
Token: SeDebugPrivilege	8	file30028.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

file30028.exe

description	pid	process	target process
PID 1852 wrote to memory of 3512	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 3512	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 3512	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 3904	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 3904	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 3904	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe
PID 1852 wrote to memory of 8	1852	file30028.exe	file30028.exe

C:\Users\Admin\AppData\Local\Temp\file30028.exe
"C:\Users\Admin\AppData\Local\Temp\file30028.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852

C:\Users\Admin\AppData\Local\Temp\file30028.exe
"C:\Users\Admin\AppData\Local\Temp\file30028.exe"
2⤵
PID:3512

C:\Users\Admin\AppData\Local\Temp\file30028.exe
"C:\Users\Admin\AppData\Local\Temp\file30028.exe"
2⤵
PID:3904

C:\Users\Admin\AppData\Local\Temp\file30028.exe
"C:\Users\Admin\AppData\Local\Temp\file30028.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 1788
3⤵
- Program crash
PID:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 8 -ip 8
1⤵
PID:3412

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\file30028.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/8-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/8-21-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/8-20-0x0000000006160000-0x00000000061B0000-memory.dmp

Filesize
320KB

Download
memory/8-19-0x00000000053C0000-0x00000000053D0000-memory.dmp

Filesize
64KB

Download
memory/8-18-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/8-16-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/1852-10-0x0000000007B20000-0x0000000007BBC000-memory.dmp

Filesize
624KB

Download
memory/1852-6-0x0000000005A30000-0x0000000005A48000-memory.dmp

Filesize
96KB

Download
memory/1852-9-0x0000000002F50000-0x0000000002FCC000-memory.dmp

Filesize
496KB

Download
memory/1852-0-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/1852-11-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/1852-12-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/1852-7-0x0000000005A50000-0x0000000005A58000-memory.dmp

Filesize
32KB

Download
memory/1852-8-0x0000000008D10000-0x0000000008D1A000-memory.dmp

Filesize
40KB

Download
memory/1852-17-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/1852-5-0x00000000056E0000-0x00000000056EA000-memory.dmp

Filesize
40KB

Download
memory/1852-4-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/1852-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/1852-2-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/1852-1-0x0000000000BA0000-0x0000000000C88000-memory.dmp

Filesize
928KB

Download

Analysis

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