592cd6641050831999b636ad9b64d059d7de75787f8c2359af14ae64d70fccfb

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240220-it
resource tags

arch:x64arch:x86image:win7-20240220-itlocale:it-itos:windows7-x64systemwindows
submitted
05/03/2024, 22:16

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General

Target

Mr.holmes
Size

461KB
MD5

38b03283f6a221522b08446c372f6221
SHA1

0212fc31b4dd6e8e8949b2107eeae961c3227bbe
SHA256

592cd6641050831999b636ad9b64d059d7de75787f8c2359af14ae64d70fccfb
SHA512

aab7db4827fb3b8d6500a2092f153f1a4e1bb6e0c593f700c075adc4d3f00ac3fd3bad87044e66636dc2fe1cf384957d92e9583de3ccd52b7e7983072e34a03a
SSDEEP

12288:5fg0VSgE29xxspm0n1vuz3j9svZJT3CqQrhryfQNRPaCieMjdvCJv1Vi0ZctxbiH:5fpLKHZj1gHyFcu8

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

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 registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.holmes	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\holmes_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\holmes_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.holmes\ = "holmes_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\holmes_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\holmes_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\holmes_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\holmes_auto_file\	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2232	chrome.exe
2232	chrome.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe
Token: SeShutdownPrivilege	2232	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe
2232	chrome.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2076	2836	cmd.exe	29
PID 2836 wrote to memory of 2076	2836	cmd.exe	29
PID 2836 wrote to memory of 2076	2836	cmd.exe	29
PID 2076 wrote to memory of 2656	2076	rundll32.exe	30
PID 2076 wrote to memory of 2656	2076	rundll32.exe	30
PID 2076 wrote to memory of 2656	2076	rundll32.exe	30
PID 2076 wrote to memory of 2656	2076	rundll32.exe	30
PID 2232 wrote to memory of 1680	2232	chrome.exe	33
PID 2232 wrote to memory of 1680	2232	chrome.exe	33
PID 2232 wrote to memory of 1680	2232	chrome.exe	33
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 1956	2232	chrome.exe	35
PID 2232 wrote to memory of 2088	2232	chrome.exe	36
PID 2232 wrote to memory of 2088	2232	chrome.exe	36
PID 2232 wrote to memory of 2088	2232	chrome.exe	36
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37
PID 2232 wrote to memory of 2068	2232	chrome.exe	37

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Mr.holmes
1⤵
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Mr.holmes
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Mr.holmes"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2656

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:2232
- 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,0x7fef5359758,0x7fef5359768,0x7fef5359778
  2⤵
  PID:1680
- 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=1144 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:2
  2⤵
  PID:1956
- 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=1424 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:8
  2⤵
  PID:2088
- 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=1488 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:8
  2⤵
  PID:2068
- 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=2280 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:1
  2⤵
  PID:272
- 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=2288 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:1
  2⤵
  PID:1228
- 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=1964 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:2
  2⤵
  PID:1464
- 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=1896 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:1
  2⤵
  PID:904
- 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=3676 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:8
  2⤵
  PID:1184
- 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=10 --mojo-platform-channel-handle=3808 --field-trial-handle=1452,i,8464299402519672967,18332998411908328251,131072 /prefetch:1
  2⤵
  PID:1232

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:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\85be3224-dd74-4c7d-999c-45fd7a677286.tmp

Filesize
258KB

MD5
b4375cd20adb758cd1690da739def7d0

SHA1
518a760f5d743bbec998613e0f5d51f38faa1b62

SHA256
cdc56d58203a7f7443189eaffd56402d5f1299fabab7a8eeda2ad6ec24a5f856

SHA512
9ad4f7420b251dd475871e536d262a77cac5cdb2b2a4588f7f93831d6094d37cc6055c97bc79a1fc13859ed9ccd76ec97f2f751b38aac812af9908f23e8339aa

Download Submit
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\Preferences

Filesize
5KB

MD5
2efea253e4758c4ede804fe9abcecc8e

SHA1
4fa862bae3a8d940003d43d6aefafbb535d3c98d

SHA256
314200a14009b58d2a796011325313bd3651ec388ee561e5e8d58a54f619ffb2

SHA512
e0a0710cdf11bea2bc0cb42d440e20c33e0baefe09c616395edba8c8cb7f7d714f334f94e9fa7e58ca35d446acefdfcbfa2593382dee40cf0f3b294a03fae403

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\Local State

Filesize
258KB

MD5
bd70e6c8d0aed6816ef48052930f3eb3

SHA1
854f61819b8f8c752c1df675550578252e918eb1

SHA256
ac8a66e59aae0a2c750fbbd393ed6d1f9cb2e150d30c80046a15627346cb5059

SHA512
25967b5f8ceb2f7ead08bd7779c546d2410e8ae34916d67ca22fec9d79d670739a8d9446427e9e1020a352d9a9e76e0e9a64f0839f3a088f6259008993511f26

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
cb6c1240a3f8aaaf2f71755d0f8b40b3

SHA1
96790a418c7846280ac70ea8c4303c35d2226778

SHA256
9b010f2851e762d700329be520107ba1fb1b727cb9bf747a26511d3bbcd85d5b

SHA512
41a4135afa174486c6ac6e5ce9e83a09fbde8136b23c33388beaefbc43ae0ccc40527a437a6ffe2f38ebd0a73167fb8161eeb0889bf0a219feeaeed4484bf4a2

Download Submit