xworm | 820d57a6faa4134e63df8bba8638792b55a7fe3c77559812706cd7de4da189b6

Analysis

max time kernel
32s
max time network
134s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
03/03/2025, 03:58

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General

Target

FNExternal.exe
Size

86KB
MD5

7dc43a52c140117ec3a23b8f78496f0f
SHA1

1c7c2697d12df0398fcb089853a1b5789f3ae887
SHA256

820d57a6faa4134e63df8bba8638792b55a7fe3c77559812706cd7de4da189b6
SHA512

95898e739ead059e06531367a0c5ca5c630ed1f16a2a2c36cada8b7a94d4fe81f7486ab7ef720da1ae09169c08fc32aa64fb4a5554a5779095400582bcaaf3be
SSDEEP

1536:N20YwopvrUvr0wMTwjqWJZiCbJVjWTDpJO960azDAOuymZp+X:BYZpAvgwMm5iCbJCSO5mZ8X

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:37044

design-ears.gl.at.ply.gg:37044

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1672-1-0x00000000013D0000-0x00000000013EC000-memory.dmp	family_xworm

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

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
27	ip-api.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2924	chrome.exe
2924	chrome.exe

Suspicious use of AdjustPrivilegeToken 61 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	FNExternal.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe
Token: SeShutdownPrivilege	2924	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe
2924	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 1560	2924	chrome.exe	31
PID 2924 wrote to memory of 1560	2924	chrome.exe	31
PID 2924 wrote to memory of 1560	2924	chrome.exe	31
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2920	2924	chrome.exe	33
PID 2924 wrote to memory of 2140	2924	chrome.exe	34
PID 2924 wrote to memory of 2140	2924	chrome.exe	34
PID 2924 wrote to memory of 2140	2924	chrome.exe	34
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35
PID 2924 wrote to memory of 2980	2924	chrome.exe	35

C:\Users\Admin\AppData\Local\Temp\FNExternal.exe
"C:\Users\Admin\AppData\Local\Temp\FNExternal.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1672

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef2c39758,0x7fef2c39768,0x7fef2c39778
  2⤵
  PID:1560
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1140 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:2
  2⤵
  PID:2920
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1532 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:8
  2⤵
  PID:2140
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1608 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:8
  2⤵
  PID:2980
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2304 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:1
  2⤵
  PID:2536
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2312 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:1
  2⤵
  PID:2240
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1400 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:2
  2⤵
  PID:1364
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2964 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:1
  2⤵
  PID:2376
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3276 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:8
  2⤵
  PID:832
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3452 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:8
  2⤵
  PID:2020
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3628 --field-trial-handle=1392,i,10810278803578497798,3032233529594903338,131072 /prefetch:8
  2⤵
  PID:2836

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

Filesize
16B

MD5
aefd77f47fb84fae5ea194496b44c67a

SHA1
dcfbb6a5b8d05662c4858664f81693bb7f803b82

SHA256
4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

SHA512
b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
afb73376a2e19c051a6f542c33b3bbe0

SHA1
d01ec25a8a3d2ad76f952acc8fb502db6c9ea65a

SHA256
24122ca25f8eca9e1bb63724042454d13f2db8cd6b77924ed91052b42d9527a2

SHA512
3085943ab6c0e2bcd77739f8993558a2760db229ee60dd46e89f7ef28fb7b75d4ab3927c9bbfb30c95db941d367d1e0b009a875ab186fd5b352de46d3ad173b4

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
486cc96468a11be6c6606deb2d2bc174

SHA1
ca70bf71c22eb4f5b69c3feaaf9974a362e5c9c8

SHA256
fe864942f8b1ccf2a66b42ffce797d297e627fa327dfc70a5c400dc1703e91c6

SHA512
5604a05fb38d4b0d70cf3a9a0478ef985e3ae346eae4dbc428f00023d899beedab7e79b03771ce3dfa746c28f4eb49bb801210a6163aee49cf2a40a157679dab

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
ad9128fc9a345c927b34b94b264b76cd

SHA1
0312e37587055ec546710a9e7a29ceeaa47ee39b

SHA256
4a6f5c9188c0f5d4596e97c9e816e7150a696d2d4c55a5e6048b1549f9279d9f

SHA512
61736056c0f2d7aed186e4b069c963faf8968d23f7ec7f349a6a3cda298929df3309489c38a991610a7e0514cacb347cafb9027160f568c94738caa5995caf9b

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
memory/1672-0-0x000007FEF5BD3000-0x000007FEF5BD4000-memory.dmp

Filesize
4KB

Download
memory/1672-1-0x00000000013D0000-0x00000000013EC000-memory.dmp

Filesize
112KB

Download
memory/1672-60-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

Filesize
9.9MB

Download
memory/1672-78-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

Filesize
9.9MB

Download