xworm | d6684b27eb3b9913fd9742bf3ce9c38e5f089211b0c105893e44eeaf79f691a2

General

Target

Doxgram.exe
Size

80KB
MD5

bee4a56d9ba0426d3c95dde1970f6429
SHA1

2bfa99521d4a4f2ed6f9b457074ecf1fae7cd712
SHA256

d6684b27eb3b9913fd9742bf3ce9c38e5f089211b0c105893e44eeaf79f691a2
SHA512

294855ac413dec844467c23ddef1dd87334d0f83f5053a6e9e0b66f032d48e748351f4fa95e166d33c4385c4734d4f4af27365d3379d480a5b5a8ecb30e5f660
SSDEEP

1536:NF423Du5xn5JrsFkAZb1SfMP0I6naOwi0Wasei/mH:NF42zux5WFkAZb14xaObRoH

Score

10^/10

Malware Config

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2368-1-0x0000000000620000-0x000000000063A000-memory.dmp	family_xworm
behavioral2/files/0x0007000000023ca8-48.dat	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3808	powershell.exe
4832	powershell.exe
3592	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Doxgram.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Doxgram.lnk	Doxgram.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Doxgram.lnk	Doxgram.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	Doxgram.exe

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Doxgram = "C:\\Users\\Admin\\AppData\\Local\\Doxgram.exe"	Doxgram.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1200	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3808	powershell.exe
3808	powershell.exe
4832	powershell.exe
4832	powershell.exe
3592	powershell.exe
3592	powershell.exe
2368	Doxgram.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	Doxgram.exe
Token: SeDebugPrivilege	3808	powershell.exe
Token: SeDebugPrivilege	4832	powershell.exe
Token: SeDebugPrivilege	3592	powershell.exe
Token: SeDebugPrivilege	2368	Doxgram.exe
Token: SeDebugPrivilege	2076	Doxgram.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2368	Doxgram.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 3808	2368	Doxgram.exe	82
PID 2368 wrote to memory of 3808	2368	Doxgram.exe	82
PID 2368 wrote to memory of 4832	2368	Doxgram.exe	84
PID 2368 wrote to memory of 4832	2368	Doxgram.exe	84
PID 2368 wrote to memory of 3592	2368	Doxgram.exe	86
PID 2368 wrote to memory of 3592	2368	Doxgram.exe	86
PID 2368 wrote to memory of 1488	2368	Doxgram.exe	88
PID 2368 wrote to memory of 1488	2368	Doxgram.exe	88
PID 2368 wrote to memory of 4800	2368	Doxgram.exe	99
PID 2368 wrote to memory of 4800	2368	Doxgram.exe	99
PID 2368 wrote to memory of 2028	2368	Doxgram.exe	101
PID 2368 wrote to memory of 2028	2368	Doxgram.exe	101
PID 2028 wrote to memory of 1200	2028	cmd.exe	103
PID 2028 wrote to memory of 1200	2028	cmd.exe	103

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\Doxgram.exe
"C:\Users\Admin\AppData\Local\Temp\Doxgram.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- 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\Local\Temp\Doxgram.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3808
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Doxgram.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4832
- 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\Local\Doxgram.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3592
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Doxgram" /tr "C:\Users\Admin\AppData\Local\Doxgram.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1488
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Doxgram"
  2⤵
  PID:4800
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC290.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1200

C:\Users\Admin\AppData\Local\Doxgram.exe
C:\Users\Admin\AppData\Local\Doxgram.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Doxgram.exe

Filesize
80KB

MD5
bee4a56d9ba0426d3c95dde1970f6429

SHA1
2bfa99521d4a4f2ed6f9b457074ecf1fae7cd712

SHA256
d6684b27eb3b9913fd9742bf3ce9c38e5f089211b0c105893e44eeaf79f691a2

SHA512
294855ac413dec844467c23ddef1dd87334d0f83f5053a6e9e0b66f032d48e748351f4fa95e166d33c4385c4734d4f4af27365d3379d480a5b5a8ecb30e5f660

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Doxgram.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
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

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

Filesize
944B

MD5
fd98baf5a9c30d41317663898985593b

SHA1
ea300b99f723d2429d75a6c40e0838bf60f17aad

SHA256
9d97a5bbc88fdcceac25f293383f7e5ce242675460ffbfb2ee9090870c034e96

SHA512
bf4dbbd671b5d7afb326622a7c781f150860294d3dba7160330046c258c84a15981c70e50d84dc7faaa7cc8b8c90bf8df818b3f2d3806a8a3671dfe5e38fe7b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ouxmamo2.uob.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC290.tmp.bat

Filesize
159B

MD5
b038cae0e15812da19368ceb019df562

SHA1
b797e6d07388c7939b424b2bd135ddbba1cc5cb9

SHA256
1eb8627d09768595b0e2bb494cd198e396f03b2445bec358933c611a0650ede2

SHA512
26c8f32ffb1c533a08debc58b7bec915f63e2a327ae0835bb985baf9d84e4c3996306e5acbffed14754f2652fd3968c656f5a3dc562c6146eba6a516b66f4f06

Download Submit
memory/2368-0-0x00007FFD352C3000-0x00007FFD352C5000-memory.dmp

Filesize
8KB

Download
memory/2368-43-0x00007FFD352C3000-0x00007FFD352C5000-memory.dmp

Filesize
8KB

Download
memory/2368-50-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/2368-51-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/2368-1-0x0000000000620000-0x000000000063A000-memory.dmp

Filesize
104KB

Download
memory/2368-61-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/3808-14-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/3808-17-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/3808-13-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/3808-12-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/3808-11-0x00000269DB120000-0x00000269DB142000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads