ec84e6a25190722f29d1dc1cda3a7ce02e1e723ca369cb0543a6f67a4a959070

General

Target

MAC theme for WIN7.exe
Size

265KB
MD5

df9ffd8be77838932e0c987d9fa6134b
SHA1

35960569a89bc2c34f9a1591004a6c1b055df074
SHA256

f1c8b82989acbef85975fd866d5a29f59ea92f8b206b545cf162f5b1d1dad1b6
SHA512

9bd8ae6d872d18f43bc7b2e0d83139dddfdf8a0d230c2d8b73b6f0eac353f82760f9692ee970c289edf78974ef722ee4f6715acf29b71fb94736f58ef6311fae
SSDEEP

6144:tGX3XXhxZn/de2bnAWAPCvWM4J8Dt1Em3nbZd8wUXlqm:ty3XXhxZn/dvAWqREocb1xm

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1448	svchost.exe
2788	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 2788	1448	svchost.exe	32

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\__tmp_rar_sfx_access_check_259438071	MAC theme for WIN7.exe
File created	C:\Windows\svchost.exe	MAC theme for WIN7.exe
File opened for modification	C:\Windows\svchost.exe	MAC theme for WIN7.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MAC theme for WIN7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2788	svchost.exe
2788	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1448	1728	MAC theme for WIN7.exe	30
PID 1728 wrote to memory of 1448	1728	MAC theme for WIN7.exe	30
PID 1728 wrote to memory of 1448	1728	MAC theme for WIN7.exe	30
PID 1728 wrote to memory of 1448	1728	MAC theme for WIN7.exe	30
PID 1728 wrote to memory of 1448	1728	MAC theme for WIN7.exe	30
PID 1728 wrote to memory of 1448	1728	MAC theme for WIN7.exe	30
PID 1728 wrote to memory of 1448	1728	MAC theme for WIN7.exe	30
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 1448 wrote to memory of 2788	1448	svchost.exe	32
PID 2788 wrote to memory of 1204	2788	svchost.exe	21
PID 2788 wrote to memory of 1204	2788	svchost.exe	21
PID 2788 wrote to memory of 1204	2788	svchost.exe	21
PID 2788 wrote to memory of 1204	2788	svchost.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\MAC theme for WIN7.exe
  "C:\Users\Admin\AppData\Local\Temp\MAC theme for WIN7.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\svchost.exe
    "C:\Windows\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1448
  - - C:\Windows\svchost.exe
      C:\Windows\svchost.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchost.exe

Filesize
79KB

MD5
f2c1d1de5734ebe7e004a41d497e695c

SHA1
f4a8f2153e78061af901f8e920b9b89e9fc7cf18

SHA256
6bf6a62f5de56f0f0e91f0d263ced9cfcde491d83e81e2c34a8a4f16f4f3e2d5

SHA512
8e0dd77f4e3f0cd765df7768684897f3cbd3ee232091d7b9a29ae5cb515512219679e3a3687ef33c9870084fa6e348eca56de461810ee2b4cb608333cbbf8497

Download Submit
memory/1204-35-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

Filesize
4KB

Download
memory/1204-32-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/1448-14-0x0000000074251000-0x0000000074252000-memory.dmp

Filesize
4KB

Download
memory/1448-16-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-15-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-29-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2788-27-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2788-19-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2788-20-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2788-28-0x0000000000400000-0x00000000004083A0-memory.dmp

Filesize
32KB

Download
memory/2788-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-30-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/2788-24-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2788-17-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2788-45-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

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