f3beb34cc046e27623b8ed753d3fc50584aaf6f388aa6bb75780d1043326e4f7

Analysis

max time kernel
148s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
10/05/2024, 21:27

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General

Target
$R0/Uninstall Bearly.exe
Size 196KB
Sample240510-1arsfaae8v
SHA256 84f9bbb0a946d840d825f379e7d5bfd1f58b2999b3a411666a7e39d727bca646
MD5 e07476559e59b013237343a7ad73b9c3
SHA1 0530e0a1b7beaffa36e7d151420f6ebdd377339b
SHA512 46fa8bb5af8a205048a7f6216a4f7638168a67b4530b706bec1ff79b7bf9e2f796b3da1a39afeebe3ec1a13c4343a8c394097c486765e903cf22787b5490f303
SSDEEP 6144:C740IFgBZWNeBx4jBibRQs2t0EyL+yayNjIN/:wHBMiaBiVRKJiE/
MD5 SHA1 SHA512 SSDEEP

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2016	Un_A.exe

Loads dropped DLL 6 IoCs

pid	Process
2016	Un_A.exe
2016	Un_A.exe
2016	Un_A.exe
2016	Un_A.exe
2016	Un_A.exe
2016	Un_A.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4448	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2016	Un_A.exe
2016	Un_A.exe
4448	tasklist.exe
4448	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 2016	3164	Uninstall Bearly.exe	77
PID 3164 wrote to memory of 2016	3164	Uninstall Bearly.exe	77
PID 3164 wrote to memory of 2016	3164	Uninstall Bearly.exe	77
PID 2016 wrote to memory of 5104	2016	Un_A.exe	78
PID 2016 wrote to memory of 5104	2016	Un_A.exe	78
PID 2016 wrote to memory of 5104	2016	Un_A.exe	78
PID 5104 wrote to memory of 4448	5104	cmd.exe	80
PID 5104 wrote to memory of 4448	5104	cmd.exe	80
PID 5104 wrote to memory of 4448	5104	cmd.exe	80
PID 5104 wrote to memory of 4344	5104	cmd.exe	81
PID 5104 wrote to memory of 4344	5104	cmd.exe	81
PID 5104 wrote to memory of 4344	5104	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Bearly.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Bearly.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Bearly.exe" | %SYSTEMROOT%\System32\find.exe "Bearly.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5104
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Bearly.exe"
      4⤵
      Enumerates processes with tasklist
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4448
  - - C:\Windows\SysWOW64\find.exe
      C:\Windows\System32\find.exe "Bearly.exe"
      4⤵
      PID:4344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

StdUtils.dll

Path C:\Users\Admin\AppData\Local\Temp\nsq55E1.tmp\StdUtils.dll
Size 100KB
SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
MD5 c6a6e03f77c313b267498515488c5740
SHA1 3d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA512 9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
SSDEEP 3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsq55E1.tmp\System.dll
Size 12KB
SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
MD5 SHA1 SHA512 SSDEEP

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WinShell.dll

Path C:\Users\Admin\AppData\Local\Temp\nsq55E1.tmp\WinShell.dll
Size 3KB
SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
MD5 1cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA1 0b9519763be6625bd5abce175dcc59c96d100d4c
SHA512 7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
MD5 SHA1 SHA512

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nsExec.dll

Path C:\Users\Admin\AppData\Local\Temp\nsq55E1.tmp\nsExec.dll
Size 6KB
SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
MD5 ec0504e6b8a11d5aad43b296beeb84b2
SHA1 91b5ce085130c8c7194d66b2439ec9e1c206497c
SHA512 3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57
SSDEEP 96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr
MD5 SHA1 SHA512 SSDEEP

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Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 196KB
SHA256 84f9bbb0a946d840d825f379e7d5bfd1f58b2999b3a411666a7e39d727bca646
MD5 e07476559e59b013237343a7ad73b9c3
SHA1 0530e0a1b7beaffa36e7d151420f6ebdd377339b
SHA512 46fa8bb5af8a205048a7f6216a4f7638168a67b4530b706bec1ff79b7bf9e2f796b3da1a39afeebe3ec1a13c4343a8c394097c486765e903cf22787b5490f303
SSDEEP 6144:C740IFgBZWNeBx4jBibRQs2t0EyL+yayNjIN/:wHBMiaBiVRKJiE/
MD5 SHA1 SHA512 SSDEEP

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