f852b9baeeefde61a20e5de4751b978594a9bf3b34514bc652d01224ee76da1b

Analysis

max time kernel
54s
max time network
128s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 09:38

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General

Target

NRVP.exe
Size

9KB
MD5

f7349874043c175bee2d0ff66438cbf0
SHA1

da371495289e25e92ad5d73dff6f29beea422427
SHA256

f852b9baeeefde61a20e5de4751b978594a9bf3b34514bc652d01224ee76da1b
SHA512

878f4bc1ab1b84b993725bcf2e98b1b9dcb72f75a20e34287d13016cc72f1df0334ac630aa8604a3d25b9569be2541c8f18f4f644f5f31ff31dd2d3fedd6d1ad
SSDEEP

192:4oepY+hS8cXsJ66JR/Q02fPby2HasZfZT5vbeG:FH+hSLX4R/RETR6sZRT5r

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2496-0-0x000000013F7A0000-0x000000013F7AC000-memory.dmp	upx
behavioral1/memory/2496-7-0x000000013F7A0000-0x000000013F7AC000-memory.dmp	upx

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

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	NRVP.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	NRVP.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	NRVP.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\NRVP.exe = "11000"	NRVP.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2716	chrome.exe
2716	chrome.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe
Token: SeShutdownPrivilege	2716	chrome.exe

Suspicious use of FindShellTrayWindow 50 IoCs

pid	Process
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe

Suspicious use of SendNotifyMessage 48 IoCs

pid	Process
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe
2716	chrome.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2496	NRVP.exe
2496	NRVP.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2724	2716	chrome.exe	29
PID 2716 wrote to memory of 2724	2716	chrome.exe	29
PID 2716 wrote to memory of 2724	2716	chrome.exe	29
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 1988	2716	chrome.exe	31
PID 2716 wrote to memory of 2436	2716	chrome.exe	32
PID 2716 wrote to memory of 2436	2716	chrome.exe	32
PID 2716 wrote to memory of 2436	2716	chrome.exe	32
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33
PID 2716 wrote to memory of 2036	2716	chrome.exe	33

C:\Users\Admin\AppData\Local\Temp\NRVP.exe
"C:\Users\Admin\AppData\Local\Temp\NRVP.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2496

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:2716
- 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,0x7fef7509758,0x7fef7509768,0x7fef7509778
  2⤵
  PID:2724
- 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=1152 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:2
  2⤵
  PID:1988
- 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=1416 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:8
  2⤵
  PID:2436
- 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=1492 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:8
  2⤵
  PID:2036
- 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=2260 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:1
  2⤵
  PID:2936
- 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=2268 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:1
  2⤵
  PID:1792
- 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=1300 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:2
  2⤵
  PID:336
- 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=1688 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:1
  2⤵
  PID:1204
- 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=1696 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:8
  2⤵
  PID:780
- 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=3568 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:8
  2⤵
  PID:1980
- 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=1692 --field-trial-handle=1284,i,10753230402608536758,11470774418585715125,131072 /prefetch:8
  2⤵
  PID:772

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:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\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\Preferences

Filesize
5KB

MD5
2b995f8290b3315ba05647fabf2ac696

SHA1
2086f1dacbd0941cceede53c6e29cabb469c3d47

SHA256
86caf06177b61742744b4d1ab1f1a29c7301b50c94a14df981de228578d28a13

SHA512
82a8671f4fc146233eefd94d6c385a4a4a0389bd22743cdd7ed9be3613aa4aaa4e5974552706162e902cf742170cbde2f18c12a3b48c5bdebc1014317c07cfaf

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

Filesize
5KB

MD5
56bb397e14b20ba1dfad1977b761ae7e

SHA1
4dcb7b0e114ba3490d1274b16510947cfc0352ee

SHA256
9b17cd0be9bf51d2e45d0cb6ff22331be36a6379ab5bdafbbad32fcd1e7c7505

SHA512
cdc8faf3b23bc1bbab2b9adaa3836ff7ef479bc888fea644a92208a778afc8403d56dabfa672c5c60be41483128e4fbf018c75f7fe63fc55bae7e9fd0e349d4f

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
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
memory/2496-0-0x000000013F7A0000-0x000000013F7AC000-memory.dmp

Filesize
48KB

Download
memory/2496-7-0x000000013F7A0000-0x000000013F7AC000-memory.dmp

Filesize
48KB

Download