agenttesla | ece88969ceffd5da422e26da3c841e69ab4a955ffb0867a6ee86790feb6b9150

Analysis

max time kernel
137s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 11:35

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General

Target

hesaphareketi000001,pdf.exe
Size

2.9MB
MD5

62365690663bb84166207a981d124d64
SHA1

35a0d45093ab7d5e6acc22b0f1b1ee0eaf38da26
SHA256

d90041e6b2a7deca5936829d8a2f6b9c190abcab6c81c3a99b22d41ed6fffbb0
SHA512

2b35cbbe45a125f373d4f57b1184e12ab88c4cd6c76d51bdc4f928a89bdf324eb4cd036fe9df22c69858bd83d9bfd07b012630ea7ebccbb877373f3c235b1135

Score

10^/10

agenttesla masslogger collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cappac.com.tr
Port:
587
Username:
[email protected]
Password:
aTlcLVD6nhEE

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 12 IoCs

resource	yara_rule
behavioral1/memory/1864-54-0x0000000001060000-0x0000000001342000-memory.dmp	family_masslogger
behavioral1/files/0x00080000000144ad-57.dat	family_masslogger
behavioral1/files/0x00080000000144ad-60.dat	family_masslogger
behavioral1/memory/856-61-0x0000000000CF0000-0x0000000000E26000-memory.dmp	family_masslogger
behavioral1/files/0x00080000000144ad-59.dat	family_masslogger
behavioral1/memory/884-86-0x0000000000400000-0x000000000049A000-memory.dmp	family_masslogger
behavioral1/memory/884-85-0x0000000000400000-0x000000000049A000-memory.dmp	family_masslogger
behavioral1/files/0x00080000000144ad-89.dat	family_masslogger
behavioral1/files/0x00080000000144ad-90.dat	family_masslogger
behavioral1/files/0x00080000000144ad-91.dat	family_masslogger
behavioral1/files/0x00080000000144ad-92.dat	family_masslogger
behavioral1/files/0x00080000000144ad-93.dat	family_masslogger

AgentTesla Payload 7 IoCs

resource	yara_rule
behavioral1/memory/1864-54-0x0000000001060000-0x0000000001342000-memory.dmp	family_agenttesla
behavioral1/memory/1564-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1564-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1564-72-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1564-73-0x000000000044712E-mapping.dmp	family_agenttesla
behavioral1/memory/1564-76-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1564-78-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 3 IoCs

pid	Process
856	chromee.exe
1564	InstallUtil.exe
884	InstallUtil.exe

Loads dropped DLL 8 IoCs

pid	Process
1864	hesaphareketi000001,pdf.exe
1864	hesaphareketi000001,pdf.exe
856	chromee.exe
1040	WerFault.exe
1040	WerFault.exe
1040	WerFault.exe
1040	WerFault.exe
1040	WerFault.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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\chromee = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chromee.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1864 set thread context of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 856 set thread context of 884	856	chromee.exe	32

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1040	856	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1864	hesaphareketi000001,pdf.exe
1864	hesaphareketi000001,pdf.exe
1864	hesaphareketi000001,pdf.exe
856	chromee.exe
856	chromee.exe
856	chromee.exe
1564	InstallUtil.exe
1564	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1864	hesaphareketi000001,pdf.exe
Token: SeDebugPrivilege	856	chromee.exe
Token: SeDebugPrivilege	1564	InstallUtil.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 856	1864	hesaphareketi000001,pdf.exe	27
PID 1864 wrote to memory of 856	1864	hesaphareketi000001,pdf.exe	27
PID 1864 wrote to memory of 856	1864	hesaphareketi000001,pdf.exe	27
PID 1864 wrote to memory of 856	1864	hesaphareketi000001,pdf.exe	27
PID 1864 wrote to memory of 1832	1864	hesaphareketi000001,pdf.exe	28
PID 1864 wrote to memory of 1832	1864	hesaphareketi000001,pdf.exe	28
PID 1864 wrote to memory of 1832	1864	hesaphareketi000001,pdf.exe	28
PID 1864 wrote to memory of 1832	1864	hesaphareketi000001,pdf.exe	28
PID 1832 wrote to memory of 592	1832	cmd.exe	30
PID 1832 wrote to memory of 592	1832	cmd.exe	30
PID 1832 wrote to memory of 592	1832	cmd.exe	30
PID 1832 wrote to memory of 592	1832	cmd.exe	30
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 1864 wrote to memory of 1564	1864	hesaphareketi000001,pdf.exe	31
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 884	856	chromee.exe	32
PID 856 wrote to memory of 1040	856	chromee.exe	34
PID 856 wrote to memory of 1040	856	chromee.exe	34
PID 856 wrote to memory of 1040	856	chromee.exe	34
PID 856 wrote to memory of 1040	856	chromee.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi000001,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi000001,pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    PID:884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 728
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v chromee /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v chromee /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe"
    3⤵
    - Adds Run key to start application
    PID:592
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
memory/856-61-0x0000000000CF0000-0x0000000000E26000-memory.dmp

Filesize
1.2MB

Download
memory/884-85-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/884-86-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/884-83-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/884-82-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1564-72-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-78-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-76-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1864-54-0x0000000001060000-0x0000000001342000-memory.dmp

Filesize
2.9MB

Download
memory/1864-65-0x0000000000A80000-0x0000000000A8A000-memory.dmp

Filesize
40KB

Download
memory/1864-56-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/1864-55-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download