agenttesla | d538dbe0fccb2e9edca59f0adf3161833adfed58c20a572b9e54295646460dbf

Analysis

max time kernel
32s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02/03/2023, 14:29

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General

Target
P.O. No.4036041334 pdf.exe
Size 488KB
Sample230302-rtknssch71
SHA256 d538dbe0fccb2e9edca59f0adf3161833adfed58c20a572b9e54295646460dbf
MD5 44af69c4faededf10ebd23da0a86439f
SHA1 c25568360113da14ba7f9ffd8cbaa28e4499e97d
SHA512 905c2a0a58cc26f749f849b84ca425557f694b3fe1de1a83eaef4f8b23c79c6d4281f085a1018d335dcfa93f1a513c1dc764394379e7a132fc86baa179d94268
SSDEEP 6144:aYa6vUVqNqz+GZMPZFkUF+Xr6ldZJmsrLPk5pUWPN/AWiGV1/6Xa:aY1UVqNjGZGFkUw+ldZJL/PSykJiG1Ka
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6166794428:AAFa7ajWAWrkz8Mg0N_HjJadbltJMMTv7Gs/

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1232	uecgr.exe
572	uecgr.exe

Loads dropped DLL 3 IoCs

pid	Process
1304	P.O. No.4036041334 pdf.exe
1304	P.O. No.4036041334 pdf.exe
1232	uecgr.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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	uecgr.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	uecgr.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	uecgr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\EtEIU = "C:\\Users\\Admin\\AppData\\Roaming\\EtEIU\\EtEIU.exe"	uecgr.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 572	1232	uecgr.exe	30

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1232	uecgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	572	uecgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
572	uecgr.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1232	1304	P.O. No.4036041334 pdf.exe	28
PID 1304 wrote to memory of 1232	1304	P.O. No.4036041334 pdf.exe	28
PID 1304 wrote to memory of 1232	1304	P.O. No.4036041334 pdf.exe	28
PID 1304 wrote to memory of 1232	1304	P.O. No.4036041334 pdf.exe	28
PID 1232 wrote to memory of 572	1232	uecgr.exe	30
PID 1232 wrote to memory of 572	1232	uecgr.exe	30
PID 1232 wrote to memory of 572	1232	uecgr.exe	30
PID 1232 wrote to memory of 572	1232	uecgr.exe	30
PID 1232 wrote to memory of 572	1232	uecgr.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	uecgr.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	uecgr.exe

C:\Users\Admin\AppData\Local\Temp\P.O. No.4036041334 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\P.O. No.4036041334 pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\uecgr.exe
  "C:\Users\Admin\AppData\Local\Temp\uecgr.exe" C:\Users\Admin\AppData\Local\Temp\hqqjfmnwyo.hr
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1232
- - C:\Users\Admin\AppData\Local\Temp\uecgr.exe
    "C:\Users\Admin\AppData\Local\Temp\uecgr.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:572

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

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Downloads

hqqjfmnwyo.hr

Path C:\Users\Admin\AppData\Local\Temp\hqqjfmnwyo.hr
Size 5KB
SHA256 5bfa3fb2a8aa2d0590a151935f23668fb911d6b1d96d435a424c39a580cdb51e
MD5 8c7d1d127f1431aa537c565f483283a7
SHA1 c3ebd0d00e353bf0d50483a8c2947b25ee34ea67
SHA512 e0896602480224dfa1307faff9ec0649c16a95ab3d0425436065b6dfcef5c2dbb912ab3f2be7e919b31fa6e8199c1ee8a5882b0a3aed67704e81b7c3c0e9893f
SSDEEP 96:Farc6oYGg/DrYuJk2XO5oSw0HjhdxPMdrXFSoVwDIbu3Rummw8w5d8r1YZt:FarcRyRhX1SJDLhcrVSoVlbRPAdeSL
MD5 SHA1 SHA512 SSDEEP

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uecgr.exe

Path C:\Users\Admin\AppData\Local\Temp\uecgr.exe
Size 137KB
SHA256 a1bc51a927820ad2328796b65ccd80f44d7d51287f9febd7f7dc4fb6d2a38167
MD5 fea2d33d87a03bf25ae6254378a45f5f
SHA1 33bfff1a0dbe5e4d1dfefbd6a68f31a63af771c1
SHA512 000aae3cb32bcf5e306c90df700a520d927292877f6d91501e6c5fa0b87394facf8922b88b9a1fe79be5b16e705e7e0624af018a94808630f872a395bd9a0cf8
SSDEEP 3072:xBiBQROBhUZ+F+XZzlD05wVME57izZxEQvuyM7m0Bnn7mS9z3A8m7:7XRaUoFKZzaCVr7iXuAM3hm7
MD5 SHA1 SHA512 SSDEEP

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uecgr.exe

Path C:\Users\Admin\AppData\Local\Temp\uecgr.exe
Size 137KB
SHA256 a1bc51a927820ad2328796b65ccd80f44d7d51287f9febd7f7dc4fb6d2a38167
MD5 fea2d33d87a03bf25ae6254378a45f5f
SHA1 33bfff1a0dbe5e4d1dfefbd6a68f31a63af771c1
SHA512 000aae3cb32bcf5e306c90df700a520d927292877f6d91501e6c5fa0b87394facf8922b88b9a1fe79be5b16e705e7e0624af018a94808630f872a395bd9a0cf8
SSDEEP 3072:xBiBQROBhUZ+F+XZzlD05wVME57izZxEQvuyM7m0Bnn7mS9z3A8m7:7XRaUoFKZzaCVr7iXuAM3hm7
MD5 SHA1 SHA512 SSDEEP

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uecgr.exe

Path C:\Users\Admin\AppData\Local\Temp\uecgr.exe
Size 137KB
SHA256 a1bc51a927820ad2328796b65ccd80f44d7d51287f9febd7f7dc4fb6d2a38167
MD5 fea2d33d87a03bf25ae6254378a45f5f
SHA1 33bfff1a0dbe5e4d1dfefbd6a68f31a63af771c1
SHA512 000aae3cb32bcf5e306c90df700a520d927292877f6d91501e6c5fa0b87394facf8922b88b9a1fe79be5b16e705e7e0624af018a94808630f872a395bd9a0cf8
SSDEEP 3072:xBiBQROBhUZ+F+XZzlD05wVME57izZxEQvuyM7m0Bnn7mS9z3A8m7:7XRaUoFKZzaCVr7iXuAM3hm7
MD5 SHA1 SHA512 SSDEEP

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uecgr.exe

Path C:\Users\Admin\AppData\Local\Temp\uecgr.exe
Size 137KB
SHA256 a1bc51a927820ad2328796b65ccd80f44d7d51287f9febd7f7dc4fb6d2a38167
MD5 fea2d33d87a03bf25ae6254378a45f5f
SHA1 33bfff1a0dbe5e4d1dfefbd6a68f31a63af771c1
SHA512 000aae3cb32bcf5e306c90df700a520d927292877f6d91501e6c5fa0b87394facf8922b88b9a1fe79be5b16e705e7e0624af018a94808630f872a395bd9a0cf8
SSDEEP 3072:xBiBQROBhUZ+F+XZzlD05wVME57izZxEQvuyM7m0Bnn7mS9z3A8m7:7XRaUoFKZzaCVr7iXuAM3hm7
MD5 SHA1 SHA512 SSDEEP

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yswbp.jpr

Path C:\Users\Admin\AppData\Local\Temp\yswbp.jpr
Size 263KB
SHA256 20e90d66005789f1169f098c286f77a8ebd936fe8b30c0d62e61b31bf7ce6dc0
MD5 6a177cd6d8e3f3487b3f0db9f2a4be38
SHA1 cea5593456b9000df763b5f62e5f749deab4e3af
SHA512 ecf177e905e82f16761bd410f4b8f2def26a8ff8202cd68682b542c577f7d06c97150d81dddcc980d74b840aa935d6b8028b351d851d1cd710f4f9b08da92923
SSDEEP 6144:Vl38+stjNFNiNyZ9Pf6aNTT1EmWwWAU7UTB6nMrQHVdlS:/6tZH36arcXAU7UFyMcHV/S
MD5 SHA1 SHA512 SSDEEP

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uecgr.exe

Path \Users\Admin\AppData\Local\Temp\uecgr.exe
Size 137KB
SHA256 a1bc51a927820ad2328796b65ccd80f44d7d51287f9febd7f7dc4fb6d2a38167
MD5 fea2d33d87a03bf25ae6254378a45f5f
SHA1 33bfff1a0dbe5e4d1dfefbd6a68f31a63af771c1
SHA512 000aae3cb32bcf5e306c90df700a520d927292877f6d91501e6c5fa0b87394facf8922b88b9a1fe79be5b16e705e7e0624af018a94808630f872a395bd9a0cf8
SSDEEP 3072:xBiBQROBhUZ+F+XZzlD05wVME57izZxEQvuyM7m0Bnn7mS9z3A8m7:7XRaUoFKZzaCVr7iXuAM3hm7
MD5 SHA1 SHA512 SSDEEP

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uecgr.exe

Path \Users\Admin\AppData\Local\Temp\uecgr.exe
Size 137KB
SHA256 a1bc51a927820ad2328796b65ccd80f44d7d51287f9febd7f7dc4fb6d2a38167
MD5 fea2d33d87a03bf25ae6254378a45f5f
SHA1 33bfff1a0dbe5e4d1dfefbd6a68f31a63af771c1
SHA512 000aae3cb32bcf5e306c90df700a520d927292877f6d91501e6c5fa0b87394facf8922b88b9a1fe79be5b16e705e7e0624af018a94808630f872a395bd9a0cf8
SSDEEP 3072:xBiBQROBhUZ+F+XZzlD05wVME57izZxEQvuyM7m0Bnn7mS9z3A8m7:7XRaUoFKZzaCVr7iXuAM3hm7
MD5 SHA1 SHA512 SSDEEP

Submit Download

uecgr.exe

Path \Users\Admin\AppData\Local\Temp\uecgr.exe
Size 137KB
SHA256 a1bc51a927820ad2328796b65ccd80f44d7d51287f9febd7f7dc4fb6d2a38167
MD5 fea2d33d87a03bf25ae6254378a45f5f
SHA1 33bfff1a0dbe5e4d1dfefbd6a68f31a63af771c1
SHA512 000aae3cb32bcf5e306c90df700a520d927292877f6d91501e6c5fa0b87394facf8922b88b9a1fe79be5b16e705e7e0624af018a94808630f872a395bd9a0cf8
SSDEEP 3072:xBiBQROBhUZ+F+XZzlD05wVME57izZxEQvuyM7m0Bnn7mS9z3A8m7:7XRaUoFKZzaCVr7iXuAM3hm7
MD5 SHA1 SHA512 SSDEEP

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memory/572-69-0x0000000000400000-0x0000000000441000-memory.dmp

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memory/572-73-0x0000000000400000-0x0000000000441000-memory.dmp

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memory/572-74-0x0000000000400000-0x0000000000441000-memory.dmp

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memory/572-75-0x0000000000230000-0x0000000000260000-memory.dmp

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memory/572-76-0x0000000004A70000-0x0000000004AB0000-memory.dmp

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memory/572-77-0x0000000004A70000-0x0000000004AB0000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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