xworm | e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08

General

Target

e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe
Size

65KB
MD5

3b5926b1dca859fa1a51a103ab0fd068
SHA1

9b41d9e1810454b00e12cc386e8e31fc1bd29ef6
SHA256

e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08
SHA512

6f924f3b1a7bcce36cea2ef0f73dfcf837b2ec03da44e0a12d6afcd2af1a92d20af251d04fd3970beedad082d646fc84ae7107b4111f43abc12b5a1e3d03a794
SSDEEP

1536:ZIMnXMk2TGbTWt6Atr9OV2NPsHNOOImz:uMnXETGg6A99OUPsHNOYz

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

C2

163.5.215.245:9049

Mutex

r3SLo8kx59hai6gX

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/544-0-0x0000000000700000-0x0000000000716000-memory.dmp	family_xworm

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

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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe

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

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
544	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3208	powershell.exe
3208	powershell.exe
3692	powershell.exe
3692	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe
Token: SeDebugPrivilege	3208	powershell.exe
Token: SeDebugPrivilege	3692	powershell.exe
Token: SeDebugPrivilege	544	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 3208	544	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe	88
PID 544 wrote to memory of 3208	544	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe	88
PID 544 wrote to memory of 3692	544	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe	91
PID 544 wrote to memory of 3692	544	e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe	91

C:\Users\Admin\AppData\Local\Temp\e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe
"C:\Users\Admin\AppData\Local\Temp\e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3208
- 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\e1f3e0bc705e2917d285f9a9ab49cc6444ff9267b46cbf1be3b97f9a716e6d08.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5xipbxab.4ck.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/544-1-0x00007FFB24820000-0x00007FFB252E1000-memory.dmp

Filesize
10.8MB

Download
memory/544-0-0x0000000000700000-0x0000000000716000-memory.dmp

Filesize
88KB

Download
memory/544-39-0x000000001B560000-0x000000001B570000-memory.dmp

Filesize
64KB

Download
memory/544-2-0x000000001B560000-0x000000001B570000-memory.dmp

Filesize
64KB

Download
memory/544-38-0x00007FFB24820000-0x00007FFB252E1000-memory.dmp

Filesize
10.8MB

Download
memory/3208-3-0x000001B8A9C40000-0x000001B8A9C62000-memory.dmp

Filesize
136KB

Download
memory/3208-14-0x000001B8C2190000-0x000001B8C21A0000-memory.dmp

Filesize
64KB

Download
memory/3208-15-0x000001B8C2190000-0x000001B8C21A0000-memory.dmp

Filesize
64KB

Download
memory/3208-16-0x000001B8C2190000-0x000001B8C21A0000-memory.dmp

Filesize
64KB

Download
memory/3208-17-0x000001B8C2190000-0x000001B8C21A0000-memory.dmp

Filesize
64KB

Download
memory/3208-20-0x00007FFB24820000-0x00007FFB252E1000-memory.dmp

Filesize
10.8MB

Download
memory/3208-13-0x00007FFB24820000-0x00007FFB252E1000-memory.dmp

Filesize
10.8MB

Download
memory/3692-22-0x00007FFB24820000-0x00007FFB252E1000-memory.dmp

Filesize
10.8MB

Download
memory/3692-35-0x0000012914250000-0x0000012914260000-memory.dmp

Filesize
64KB

Download
memory/3692-37-0x00007FFB24820000-0x00007FFB252E1000-memory.dmp

Filesize
10.8MB

Download
memory/3692-24-0x0000012914250000-0x0000012914260000-memory.dmp

Filesize
64KB

Download
memory/3692-23-0x0000012914250000-0x0000012914260000-memory.dmp

Filesize
64KB

Download

Analysis

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