xworm | fd8a145e5877c31bf53071e3e58e638143d00c10eaf4a3b60da21b37ab1c8d9e

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 17:09

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General

Target

Bootstrapper.exe
Size

30KB
MD5

96a6bb09cb9328b69865cdddb730b0cd
SHA1

b4d26b63bf719858dc828f81fcafe058268f37de
SHA256

fd8a145e5877c31bf53071e3e58e638143d00c10eaf4a3b60da21b37ab1c8d9e
SHA512

b2a48a450bbe685329e66b1dc913fbc7faae5f60e865e66298b1ddbe199111e7a37a9f8dc0b347f0b17424babbb3de9640ab9bfa2c553ae6b60d4eac2a83d155
SSDEEP

384:NeAwIGmeffcbWICWv/0ILZGPcX0hYACSqReAw2uRugtFuBLTIOZw/WVnvn9IkVu2:fecbl/b3XMYAoReJ2uBFE9RkOqhbbI

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

127.0.0.1:51197

Mutex

09Dr3u0jdemyeJed

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1960-1-0x0000000001200000-0x000000000120E000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2628	chrome.exe
2628	chrome.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	Bootstrapper.exe
Token: SeShutdownPrivilege	2628	chrome.exe
Token: SeShutdownPrivilege	2628	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe
2628	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2084	2628	chrome.exe	33
PID 2628 wrote to memory of 2084	2628	chrome.exe	33
PID 2628 wrote to memory of 2084	2628	chrome.exe	33
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 3004	2628	chrome.exe	35
PID 2628 wrote to memory of 1956	2628	chrome.exe	36
PID 2628 wrote to memory of 1956	2628	chrome.exe	36
PID 2628 wrote to memory of 1956	2628	chrome.exe	36
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37
PID 2628 wrote to memory of 3068	2628	chrome.exe	37

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1960

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2792

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:2628
- 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,0x7fef2329758,0x7fef2329768,0x7fef2329778
  2⤵
  PID:2084
- 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=1160 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:2
  2⤵
  PID:3004
- 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=1500 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:8
  2⤵
  PID:1956
- 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=1584 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:8
  2⤵
  PID:3068
- 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=2332 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:1
  2⤵
  PID:2816
- 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=2356 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:1
  2⤵
  PID:2916
- 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=2800 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:2
  2⤵
  PID:2372
- 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=2880 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:1
  2⤵
  PID:1812
- 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=3656 --field-trial-handle=1236,i,17680945787623097070,12586310256507436061,131072 /prefetch:8
  2⤵
  PID:1912

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:2056

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

Replay Monitor

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Downloads

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\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
memory/1960-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

Filesize
4KB

Download
memory/1960-1-0x0000000001200000-0x000000000120E000-memory.dmp

Filesize
56KB

Download
memory/1960-2-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/1960-3-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

Filesize
4KB

Download
memory/1960-4-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download