1a69f2fcfe5b35bf44ea42a1efe89f18f6b0d522cbbea5c51bae93aff7d3188b | Triage

Resubmissions

11/04/2024, 06:38

240411-hd63esha9z 8

11/04/2024, 06:37

240411-hdp4xaha9x 8

11/04/2024, 06:37

240411-hdlrgsha9w 8

11/04/2024, 06:37

240411-hdk5ysha9t 8

11/04/2024, 06:37

240411-hdkjesha9s 8

07/04/2024, 08:23

240407-kabhfsgg71 8

07/04/2024, 08:23

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07/04/2024, 08:22

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07/04/2024, 08:22

240407-j9yatsgg7s 7

Analysis

max time kernel
160s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 06:37

Sharing

Report Analysis Logs

General

Target

tmp.exe
Size

5.3MB
MD5

5fe4ea367cee11e92ad4644d8ac3cef7
SHA1

44faea4a352b7860a9eafca82bd3c9b054b6db29
SHA256

1a69f2fcfe5b35bf44ea42a1efe89f18f6b0d522cbbea5c51bae93aff7d3188b
SHA512

1c4499eadaf44847a7a001c2622e558bc130c9ad608b4ec977480e002cf50c9eb36a65974b86a2db69e9bc43e7d239122389a6cf1ca2849c59bc137441fb0a4f
SSDEEP

98304:lgU5484Bq1qdguoOzv4I3KOn6Ka1uFof9Hn6sdw5yOc4:iU54mqL9zvH3qO

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System\xxx1.bak	tmp.exe
File created	C:\Windows\System\svchost.exe	tmp.exe
File opened for modification	C:\Windows\System\svchost.exe	tmp.exe
File created	C:\Windows\System\xxx1.bak	svchost.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task/Job

pid	Process
4992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4556	powershell.exe
4556	powershell.exe
4140	powershell.exe
4140	powershell.exe
4556	powershell.exe
4140	powershell.exe
5108	tmp.exe
5108	tmp.exe
828	powershell.exe
828	powershell.exe
4900	powershell.exe
4900	powershell.exe
828	powershell.exe
4900	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	powershell.exe
Token: SeDebugPrivilege	4140	powershell.exe
Token: SeDebugPrivilege	828	powershell.exe
Token: SeDebugPrivilege	4900	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 4556	5108	tmp.exe	110
PID 5108 wrote to memory of 4556	5108	tmp.exe	110
PID 5108 wrote to memory of 4140	5108	tmp.exe	112
PID 5108 wrote to memory of 4140	5108	tmp.exe	112
PID 5108 wrote to memory of 4992	5108	tmp.exe	114
PID 5108 wrote to memory of 4992	5108	tmp.exe	114
PID 5108 wrote to memory of 2744	5108	tmp.exe	116
PID 5108 wrote to memory of 2744	5108	tmp.exe	116
PID 2744 wrote to memory of 4900	2744	svchost.exe	120
PID 2744 wrote to memory of 4900	2744	svchost.exe	120
PID 2744 wrote to memory of 828	2744	svchost.exe	122
PID 2744 wrote to memory of 828	2744	svchost.exe	122

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath c:\windows\
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4556
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath \\?\C:\Windows \
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4140
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks /create /sc minute /ED "11/02/2024" /mo 7 /tn "Timer" /tr c:\windows\system\svchost.exe /ru SYSTEM
  2⤵
  - Creates scheduled task(s)
  PID:4992
- C:\Windows\System\svchost.exe
  "C:\Windows\System\svchost.exe" formal
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath c:\windows\
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4900
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath \\?\C:\Windows \
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:828

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3836 --field-trial-handle=2284,i,13100272738549420251,6151825632958897606,262144 --variations-seed-version /prefetch:8
1⤵
PID:3272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
5f0ddc7f3691c81ee14d17b419ba220d

SHA1
f0ef5fde8bab9d17c0b47137e014c91be888ee53

SHA256
a31805264b8b13ce4145f272cb2830728c186c46e314b48514d636866217add5

SHA512
2ce7c2a0833f581297c13dd88ccfcd36bf129d2b5d7718c52b1d67c97cbd8fc93abc085a040229a0fd712e880c690de7f6b996b0b47c46a091fabb7931be58d3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
50d3033f2bc3a3774c469d03e71a79a9

SHA1
22027b1d52085de99b3bffa276530fea5d961471

SHA256
2987e99ec7fa17bd4ab7de3cb4dc62645e1052012a5a357904d6fc6db9054147

SHA512
ecf7ab1a9e4192454a3e24c60453fd702a8c648e00078fc933b9182f4a3d3c10c6f5da622a5729b35727e6ddc8837029caddcaf76f56e805b9744253b56da5d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dsn3rtjo.p12.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\tor\cached-microdesc-consensus.tmp

Filesize
2.7MB

MD5
c9b1dde253446b4b2bc6a0ad4d3022c2

SHA1
66cf356f3717f3d07a1c568c7146f9f9f14adf9f

SHA256
4fcc265cafab726d5e03b652e7b3fb4681a28f0dc5349825fe28b5413c96d3f3

SHA512
0e8f41766a67cea5d48950d0f30b5c5e1c6b7e9a5d77515e2be72d719c11bed624991c8764c7edddb0981dffd34fbd6e6e89d9ac9bd65164a14b27f21a2ce005

Download Submit
C:\Users\Admin\AppData\Roaming\tor\cached-microdescs.new

Filesize
16.6MB

MD5
e5bd89d291e0dcc5f4dc26a6ba366424

SHA1
57b2e527260a403197c01789d867e8e5a4b6b7df

SHA256
efce8a85587d53b9f363c2cf6916cf9ba993b1a16eafcfd0a036698873945760

SHA512
d09dbd3d0c07108020ffea5c61e4e23cdad7f2f5d2013387c64026bc26aba3c2426d8e792d9d110ce05bc4c40688c5177f186ac9cb1acac05971d9d0bbfbfe75

Download Submit
C:\Windows\System\svchost.exe

Filesize
5.3MB

MD5
5fe4ea367cee11e92ad4644d8ac3cef7

SHA1
44faea4a352b7860a9eafca82bd3c9b054b6db29

SHA256
1a69f2fcfe5b35bf44ea42a1efe89f18f6b0d522cbbea5c51bae93aff7d3188b

SHA512
1c4499eadaf44847a7a001c2622e558bc130c9ad608b4ec977480e002cf50c9eb36a65974b86a2db69e9bc43e7d239122389a6cf1ca2849c59bc137441fb0a4f

Download Submit
memory/828-76-0x0000024742F80000-0x0000024742F90000-memory.dmp

Filesize
64KB

Download
memory/828-74-0x0000024742F80000-0x0000024742F90000-memory.dmp

Filesize
64KB

Download
memory/828-63-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/828-78-0x0000024742F80000-0x0000024742F90000-memory.dmp

Filesize
64KB

Download
memory/828-84-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/2744-51-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download
memory/2744-50-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download
memory/2744-85-0x0000000031F20000-0x000000003241C000-memory.dmp

Filesize
5.0MB

Download
memory/4140-36-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/4140-30-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/4140-27-0x000002509E2C0000-0x000002509E2D0000-memory.dmp

Filesize
64KB

Download
memory/4140-26-0x000002509E2C0000-0x000002509E2D0000-memory.dmp

Filesize
64KB

Download
memory/4556-11-0x00000223783C0000-0x00000223783E2000-memory.dmp

Filesize
136KB

Download
memory/4556-37-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/4556-24-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/4556-29-0x0000022378430000-0x0000022378440000-memory.dmp

Filesize
64KB

Download
memory/4556-28-0x0000022378430000-0x0000022378440000-memory.dmp

Filesize
64KB

Download
memory/4556-25-0x0000022378430000-0x0000022378440000-memory.dmp

Filesize
64KB

Download
memory/4900-61-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/4900-70-0x00000216F0670000-0x00000216F0680000-memory.dmp

Filesize
64KB

Download
memory/4900-77-0x00000216F0670000-0x00000216F0680000-memory.dmp

Filesize
64KB

Download
memory/4900-80-0x00000216F0670000-0x00000216F0680000-memory.dmp

Filesize
64KB

Download
memory/4900-62-0x00000216F0670000-0x00000216F0680000-memory.dmp

Filesize
64KB

Download
memory/4900-81-0x00007FFE368D0000-0x00007FFE37391000-memory.dmp

Filesize
10.8MB

Download
memory/5108-0-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download
memory/5108-2-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download
memory/5108-47-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download
memory/5108-4-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download
memory/5108-3-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download
memory/5108-1-0x0000000140000000-0x0000000140645400-memory.dmp

Filesize
6.3MB

Download