8e0c8a64a47dec2fadfd2088ec4a75926faf5b84fd3a0b724f97e8acffe15d24

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 01:42

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General

Target

9a723fb229e80471a2ecd08e554cb4ac.exe
Size

3.2MB
MD5

9a723fb229e80471a2ecd08e554cb4ac
SHA1

b948622c9f0769b4cb0994bb638690b6bbf73d57
SHA256

8e0c8a64a47dec2fadfd2088ec4a75926faf5b84fd3a0b724f97e8acffe15d24
SHA512

f7839bfc1a456e663539d70ed100bf4ab6cac8aa6bd3809a8a2e7a4a80cae47ad348bf806e351e7ea60ec29d941a2654b7c7a56b4028c77545c9dd5202d0d9b1
SSDEEP

98304:ulSdO/Q+jrAHkP3AUm1pkv944Q+2FP0g+:eSw4+wk3rm111BR+

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	9a723fb229e80471a2ecd08e554cb4ac.tmp

Executes dropped EXE 2 IoCs

pid	Process
5016	9a723fb229e80471a2ecd08e554cb4ac.tmp
5636	rkverify.exe

Loads dropped DLL 2 IoCs

pid	Process
5636	rkverify.exe
5016	9a723fb229e80471a2ecd08e554cb4ac.tmp

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5636	rkverify.exe
5636	rkverify.exe
5636	rkverify.exe
5636	rkverify.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5636	rkverify.exe
5636	rkverify.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5380 wrote to memory of 5016	5380	9a723fb229e80471a2ecd08e554cb4ac.exe	84
PID 5380 wrote to memory of 5016	5380	9a723fb229e80471a2ecd08e554cb4ac.exe	84
PID 5380 wrote to memory of 5016	5380	9a723fb229e80471a2ecd08e554cb4ac.exe	84
PID 5016 wrote to memory of 5636	5016	9a723fb229e80471a2ecd08e554cb4ac.tmp	85
PID 5016 wrote to memory of 5636	5016	9a723fb229e80471a2ecd08e554cb4ac.tmp	85
PID 5016 wrote to memory of 5636	5016	9a723fb229e80471a2ecd08e554cb4ac.tmp	85

C:\Users\Admin\AppData\Local\Temp\9a723fb229e80471a2ecd08e554cb4ac.exe
"C:\Users\Admin\AppData\Local\Temp\9a723fb229e80471a2ecd08e554cb4ac.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5380
- C:\Users\Admin\AppData\Local\Temp\is-SUJ7K.tmp\9a723fb229e80471a2ecd08e554cb4ac.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-SUJ7K.tmp\9a723fb229e80471a2ecd08e554cb4ac.tmp" /SL5="$70064,2994332,53248,C:\Users\Admin\AppData\Local\Temp\9a723fb229e80471a2ecd08e554cb4ac.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Users\Admin\AppData\Local\Temp\is-ORNMK.tmp\rkverify.exe
    "C:\Users\Admin\AppData\Local\Temp\is-ORNMK.tmp\rkverify.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:5636

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\Temp\CSM58AF.tmp

Filesize
148KB

MD5
580d9673e5ec5d90de1f83e2fd1742c2

SHA1
0dd94bcc3dc39097bf4bea145356e398665dda4f

SHA256
868b1aee31c6335a5fc4257f20346e2d99fbd86bc7554b415da41fc19b13b3b1

SHA512
f31f651034ccdaa7ed0bc134186ec56a687495ebf4888fc0d538457684b9f4dbb1b63f38f5881af929ef41e7a4f5d2820e0301118d79e32c4b3c1f1fdef9696b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ORNMK.tmp\rkverify.exe

Filesize
236KB

MD5
13a90680100cd1dd6e49bb3c8982b671

SHA1
11cd205b2d87a595bbd762ba34e6f85cc7dbced5

SHA256
cc93832d7ebdbe3179c883ec56c7f04122512143910b5b091e01cd63c9a4438e

SHA512
0283436e103c02f6ffac99fa4ec4824373c7e77f8627cc4812354ee51029187d446ed98fb1f1f0f204d1d63eaa377e0f7c9511360c213c76662b8a9e25939c51

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SUJ7K.tmp\9a723fb229e80471a2ecd08e554cb4ac.tmp

Filesize
669KB

MD5
52950ac9e2b481453082f096120e355a

SHA1
159c09db1abcee9114b4f792ffba255c78a6e6c3

SHA256
25fbc88c7c967266f041ae4d47c2eae0b96086f9e440cca10729103aee7ef6cd

SHA512
5b61c28bbcaedadb3b6cd3bb8a392d18016c354c4c16e01395930666addc95994333dfc45bea1a1844f6f1585e79c729136d3714ac118b5848becde0bdb182ba

Download Submit
memory/5016-30-0x0000000005CA0000-0x0000000005CB0000-memory.dmp

Filesize
64KB

Download
memory/5016-7-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/5016-32-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/5016-33-0x00000000777B0000-0x0000000077950000-memory.dmp

Filesize
1.6MB

Download
memory/5016-35-0x0000000075B10000-0x0000000075BEC000-memory.dmp

Filesize
880KB

Download
memory/5016-34-0x0000000076110000-0x0000000076134000-memory.dmp

Filesize
144KB

Download
memory/5016-41-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/5380-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5380-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5380-31-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download