agenttesla | e49f212d6e5f137cf1394c1bce43b0d84c1a982b0a52e43d27d8cd45692764b7

General

Target

JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe
Size

664KB
MD5

da1c1f2acf3ceaf318b88595c6fcd3e2
SHA1

c1b33299ce801bdf1ec02e5125dcb018a751c0e8
SHA256

e49f212d6e5f137cf1394c1bce43b0d84c1a982b0a52e43d27d8cd45692764b7
SHA512

21ba66ae3eb417f53a140a600dea660cdc6e951cac372a6993ebdde62ec61acecfa44589b9d9e4ecc61eefe87bb05c3fdee29e1dfec44ba45f39ea5a69b860c9
SSDEEP

12288:bTTZwuRQkpetFgVAv3Lq0i9XwszH7oNVZkm5VQ3uFRA6uTGbW+0JI:bTikp2rq0KAszboNR7A5+W

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
Everest10

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3988-5-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1528 set thread context of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	4080	dw20.exe
Token: SeBackupPrivilege	4080	dw20.exe
Token: SeBackupPrivilege	4080	dw20.exe
Token: SeBackupPrivilege	4080	dw20.exe
Token: SeBackupPrivilege	4080	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 1528 wrote to memory of 3988	1528	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	90
PID 3988 wrote to memory of 4080	3988	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	91
PID 3988 wrote to memory of 4080	3988	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	91
PID 3988 wrote to memory of 4080	3988	JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 776
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\JaffaCakes118_da1c1f2acf3ceaf318b88595c6fcd3e2.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
memory/1528-0-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

Filesize
4KB

Download
memory/1528-1-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/1528-2-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/1528-3-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

Filesize
4KB

Download
memory/1528-4-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/1528-8-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3988-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3988-9-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3988-10-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3988-17-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads