agenttesla | c4ee2ead2c1f1b2b5420280522acaee51469844c29807fd274e2d06f2044c410

General

Target

Oxycontin.exe
Size

9.3MB
MD5

5f566e46a2acc85e1dad153ac1ab7f19
SHA1

b1ba70b980793c7f6389d3779b34f4c51014308a
SHA256

c4ee2ead2c1f1b2b5420280522acaee51469844c29807fd274e2d06f2044c410
SHA512

57b35345bbcb5fd48cd46a5d0e0bd6fa0b5aa34c5964cd77b24f6b52be8dfe0586d35a995e02b3d97f6f3a0289d8241e1d424eae924a6002f389125c7ae27e7b
SSDEEP

196608:oBPYvqBtmaxkFfx79H4q/p4OtxdoVAx9GM2RptVof8VmYV3B0SFqx9KWNj:oBAyBtjxkF8I4OZo6x45ptqEcYV3W2CJ

Score

10^/10

agenttesla stormkitty xworm execution keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

195.88.218.82:7000

Mutex

rSju9dw9NiZbjmTZ

Attributes

Install_directory
%AppData%
install_file
Apps.exe
telegram
https://api.telegram.org/bot7141327038:AAGOb6-3xjEjegc_pKm0d8BC48HietEz_wY

aes.plain

Signatures

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

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023404-35.dat	family_xworm
behavioral2/memory/2576-63-0x00000000007E0000-0x00000000007F2000-memory.dmp	family_xworm

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/2576-125-0x000000001DCD0000-0x000000001DDF0000-memory.dmp	family_stormkitty

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3812-69-0x0000000005D40000-0x0000000005F52000-memory.dmp	family_agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4652	powershell.exe
2792	powershell.exe
1700	powershell.exe
2992	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	Oxycontin.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	sskidirz.exe

Executes dropped EXE 5 IoCs

pid	Process
3812	Oxycontin.exe
2576	sskidirz.exe
4100	Apps.exe
3092	Apps.exe
4532	Apps.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Apps = "C:\\Users\\Admin\\AppData\\Roaming\\Apps.exe"	sskidirz.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1756	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Oxycontin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Oxycontin.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Oxycontin.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1700	powershell.exe
1700	powershell.exe
2992	powershell.exe
2992	powershell.exe
4652	powershell.exe
4652	powershell.exe
2792	powershell.exe
2792	powershell.exe
2576	sskidirz.exe
2576	sskidirz.exe
2576	sskidirz.exe
2576	sskidirz.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	sskidirz.exe
Token: SeDebugPrivilege	3812	Oxycontin.exe
Token: SeDebugPrivilege	1700	powershell.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	4652	powershell.exe
Token: SeDebugPrivilege	2792	powershell.exe
Token: SeDebugPrivilege	4100	Apps.exe
Token: SeDebugPrivilege	3092	Apps.exe
Token: SeDebugPrivilege	4532	Apps.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2576	sskidirz.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 3812	4476	Oxycontin.exe	84
PID 4476 wrote to memory of 3812	4476	Oxycontin.exe	84
PID 4476 wrote to memory of 3812	4476	Oxycontin.exe	84
PID 4476 wrote to memory of 2576	4476	Oxycontin.exe	85
PID 4476 wrote to memory of 2576	4476	Oxycontin.exe	85
PID 2576 wrote to memory of 1700	2576	sskidirz.exe	91
PID 2576 wrote to memory of 1700	2576	sskidirz.exe	91
PID 2576 wrote to memory of 2992	2576	sskidirz.exe	93
PID 2576 wrote to memory of 2992	2576	sskidirz.exe	93
PID 2576 wrote to memory of 4652	2576	sskidirz.exe	95
PID 2576 wrote to memory of 4652	2576	sskidirz.exe	95
PID 2576 wrote to memory of 2792	2576	sskidirz.exe	97
PID 2576 wrote to memory of 2792	2576	sskidirz.exe	97
PID 2576 wrote to memory of 1756	2576	sskidirz.exe	100
PID 2576 wrote to memory of 1756	2576	sskidirz.exe	100

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Oxycontin.exe
"C:\Users\Admin\AppData\Local\Temp\Oxycontin.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4476
- C:\Users\Admin\Oxycontin.exe
  "C:\Users\Admin\Oxycontin.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3812
- C:\Users\Admin\sskidirz.exe
  "C:\Users\Admin\sskidirz.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\sskidirz.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1700
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sskidirz.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2992
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Apps.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4652
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Apps.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2792
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Apps" /tr "C:\Users\Admin\AppData\Roaming\Apps.exe"
    3⤵
    - Creates scheduled task(s)
    PID:1756

C:\Users\Admin\AppData\Roaming\Apps.exe
C:\Users\Admin\AppData\Roaming\Apps.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4100

C:\Users\Admin\AppData\Roaming\Apps.exe
C:\Users\Admin\AppData\Roaming\Apps.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3092

C:\Users\Admin\AppData\Roaming\Apps.exe
C:\Users\Admin\AppData\Roaming\Apps.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
83685d101174171875b4a603a6c2a35c

SHA1
37be24f7c4525e17fa18dbd004186be3a9209017

SHA256
0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870

SHA512
005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3puwzx2v.dzn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\Oxycontin.exe

Filesize
9.3MB

MD5
cf006aeba52c1f7506b29eaaff015688

SHA1
349c263221af71597d2fc505f85b50fe0acf5979

SHA256
2ca2f481bbb151b3cd0a3b1a76065138c3179cd9eb3e74f58a3432074f17fe03

SHA512
54d0a7873c5fbb0b0e65af5182e4d49e5147a2f79580415d15a2f6a1ab5f2de7d6ca367692a5efa70ad9797a76d53f06d7c16b6a43417fb0bcf8434ac43bb0aa

Download Submit
C:\Users\Admin\sskidirz.exe

Filesize
43KB

MD5
f232005a1b1259cc5c7eb32e75eaf119

SHA1
374d89a93fe659417d2e275162f165eb18ccf775

SHA256
a461d440794d9c359de023596eefaca0eb42a0f2bc5628c8d925e12f851e24e2

SHA512
1cc418f36431b8cb96ee08b366f9bd0e53f281cd2c731b728658e29598607e03bdd0143c0c67e15fb11215415e4c97d59bc8ce1c3e5865f2583f2c211852f526

Download Submit
memory/1700-81-0x00000199FB000000-0x00000199FB022000-memory.dmp

Filesize
136KB

Download
memory/2576-170-0x000000001B330000-0x000000001B340000-memory.dmp

Filesize
64KB

Download
memory/2576-167-0x000000001DDF0000-0x000000001E140000-memory.dmp

Filesize
3.3MB

Download
memory/2576-166-0x00007FFB74973000-0x00007FFB74975000-memory.dmp

Filesize
8KB

Download
memory/2576-125-0x000000001DCD0000-0x000000001DDF0000-memory.dmp

Filesize
1.1MB

Download
memory/2576-124-0x000000001C050000-0x000000001C05E000-memory.dmp

Filesize
56KB

Download
memory/2576-123-0x000000001B330000-0x000000001B340000-memory.dmp

Filesize
64KB

Download
memory/2576-171-0x000000001B2F0000-0x000000001B2FC000-memory.dmp

Filesize
48KB

Download
memory/2576-62-0x00007FFB74973000-0x00007FFB74975000-memory.dmp

Filesize
8KB

Download
memory/2576-63-0x00000000007E0000-0x00000000007F2000-memory.dmp

Filesize
72KB

Download
memory/2576-172-0x000000001CB30000-0x000000001CB3C000-memory.dmp

Filesize
48KB

Download
memory/3812-65-0x00000000060A0000-0x0000000006644000-memory.dmp

Filesize
5.6MB

Download
memory/3812-68-0x0000000005950000-0x000000000595A000-memory.dmp

Filesize
40KB

Download
memory/3812-73-0x00000000091A0000-0x00000000094F4000-memory.dmp

Filesize
3.3MB

Download
memory/3812-72-0x0000000009170000-0x0000000009192000-memory.dmp

Filesize
136KB

Download
memory/3812-71-0x00000000090C0000-0x0000000009172000-memory.dmp

Filesize
712KB

Download
memory/3812-70-0x0000000006FC0000-0x0000000006FD2000-memory.dmp

Filesize
72KB

Download
memory/3812-69-0x0000000005D40000-0x0000000005F52000-memory.dmp

Filesize
2.1MB

Download
memory/3812-75-0x0000000009570000-0x00000000095AC000-memory.dmp

Filesize
240KB

Download
memory/3812-67-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/3812-66-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/3812-168-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/3812-57-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/3812-64-0x0000000000600000-0x0000000000F46000-memory.dmp

Filesize
9.3MB

Download
memory/4476-0-0x00007FFB74973000-0x00007FFB74975000-memory.dmp

Filesize
8KB

Download
memory/4476-1-0x0000000000690000-0x0000000000FE8000-memory.dmp

Filesize
9.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads