dfaa0dd4361c812eb9a8ea49b6d20d9e9d5288b8b2bc7baeaf893f1e969a0c93

Analysis

max time kernel
21s
max time network
66s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 17:08

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General

Target

Bloxstrap-v2.7.0 (5).exe
Size

18.6MB
MD5

ee7a292a65ca2a55bdc86f2c6c8d8646
SHA1

8ad1af9570440001667cc265c2cbffb849f6a89e
SHA256

dfaa0dd4361c812eb9a8ea49b6d20d9e9d5288b8b2bc7baeaf893f1e969a0c93
SHA512

5fa5d45288b9c55de5a87eff536b53147a20ce9b7d90ae19354eb541c0eca7fefb303766bbd855f8428bb81e9a99713219a839939a5c5923d3e5eafc5d250c7f
SSDEEP

393216:yqPnLFXlrzQ+DOETgs77fGUgl85riqzvEkkRNGTGNkq:3PLFXNzQ/E7tu85riqYkEGO

Score

7^/10

discovery upx

Malware Config

Signatures

Loads dropped DLL 7 IoCs

pid	Process
1692	Bloxstrap-v2.7.0 (5).exe
1692	Bloxstrap-v2.7.0 (5).exe
1692	Bloxstrap-v2.7.0 (5).exe
1692	Bloxstrap-v2.7.0 (5).exe
1692	Bloxstrap-v2.7.0 (5).exe
1692	Bloxstrap-v2.7.0 (5).exe
1692	Bloxstrap-v2.7.0 (5).exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000400000001c91c-164.dat	upx

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
2324	chrome.exe
2324	chrome.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe
Token: SeShutdownPrivilege	2324	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe
2324	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1692	2172	Bloxstrap-v2.7.0 (5).exe	29
PID 2172 wrote to memory of 1692	2172	Bloxstrap-v2.7.0 (5).exe	29
PID 2172 wrote to memory of 1692	2172	Bloxstrap-v2.7.0 (5).exe	29
PID 2324 wrote to memory of 1476	2324	chrome.exe	33
PID 2324 wrote to memory of 1476	2324	chrome.exe	33
PID 2324 wrote to memory of 1476	2324	chrome.exe	33
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 3012	2324	chrome.exe	35
PID 2324 wrote to memory of 2820	2324	chrome.exe	36
PID 2324 wrote to memory of 2820	2324	chrome.exe	36
PID 2324 wrote to memory of 2820	2324	chrome.exe	36
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37
PID 2324 wrote to memory of 1672	2324	chrome.exe	37

C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0 (5).exe
"C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0 (5).exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0 (5).exe
  "C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0 (5).exe"
  2⤵
  - Loads dropped DLL
  PID:1692

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:540

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:2324
- 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,0x7fef7919758,0x7fef7919768,0x7fef7919778
  2⤵
  PID:1476
- 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=1180 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:2
  2⤵
  PID:3012
- 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=1508 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:8
  2⤵
  PID:2820
- 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=1596 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:8
  2⤵
  PID:1672
- 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=2320 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:1
  2⤵
  PID:2572
- 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=2332 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:1
  2⤵
  PID:2560
- 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=1396 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:2
  2⤵
  PID:2212
- 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=3176 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:1
  2⤵
  PID:1084
- 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=3832 --field-trial-handle=1368,i,9695541980146077392,15425918419786203242,131072 /prefetch:8
  2⤵
  PID:2328

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:2080

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\Preferences

Filesize
4KB

MD5
c4b994fe75dd23b0a60cefefd0864e83

SHA1
a623a6fa57b5b974e775be3510e87d9f5b8911bd

SHA256
28f6b25100fd4919d19001ff5bb48f8ebfcd2b8cf7e2be0dc32f8159fa5a61fa

SHA512
b280b26b37d4c07d17c5e9d7ef77b9af8288a3945b4156556def66c5f363f1648a10e33e9a4354c215129ba4a4162b2555f9d8f87fc47053163b56f4e066bb77

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\Temp\_MEI21722\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
1c58526d681efe507deb8f1935c75487

SHA1
0e6d328faf3563f2aae029bc5f2272fb7a742672

SHA256
ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

SHA512
8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21722\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
724223109e49cb01d61d63a8be926b8f

SHA1
072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

SHA256
4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

SHA512
19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21722\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
517eb9e2cb671ae49f99173d7f7ce43f

SHA1
4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

SHA256
57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

SHA512
492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21722\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
d12403ee11359259ba2b0706e5e5111c

SHA1
03cc7827a30fd1dee38665c0cc993b4b533ac138

SHA256
f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

SHA512
9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21722\python310.dll

Filesize
1.4MB

MD5
69d4f13fbaeee9b551c2d9a4a94d4458

SHA1
69540d8dfc0ee299a7ff6585018c7db0662aa629

SHA256
801317463bd116e603878c7c106093ba7db2bece11e691793e93065223fc7046

SHA512
8e632f141daf44bc470f8ee677c6f0fdcbcacbfce1472d928576bf7b9f91d6b76639d18e386d5e1c97e538a8fe19dd2d22ea47ae1acf138a0925e3c6dd156378

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21722\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21722\api-ms-win-core-file-l2-1-0.dll

Filesize
18KB

MD5
bfffa7117fd9b1622c66d949bac3f1d7

SHA1
402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

SHA256
1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

SHA512
b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

Download Submit
memory/1692-166-0x000007FEF6480000-0x000007FEF68EE000-memory.dmp

Filesize
4.4MB

Download