23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5

General

Target

23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe
Size

84KB
MD5

09b4f0afd517a3d0def55563be233e90
SHA1

40f1ca57a69abb9d149efc87b189bb6ddf87eb8c
SHA256

23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5
SHA512

85b4f954d9d08ffb7ffc493e5bc8a7e94390c180883e4068455552caa1e2a34997912391ebc502c31da18e618fce3fb54bdd6c13bc7b41915330a5e265211988
SSDEEP

1536:bDcWLfIbgEp10gyXVdtnTHNWnnn622222K:bDXL0n0gyXVd1re2222K

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1160	attrib.exe

Deletes itself 1 IoCs

pid	Process
2772	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2220	sgchost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\sgchost.exe	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe
File opened for modification	C:\Windows\Debug\sgchost.exe	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe
File opened for modification	C:\Windows\Debug\sgchost.exe	attrib.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 4 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	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sgchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	sgchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	sgchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 1160	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	29
PID 904 wrote to memory of 1160	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	29
PID 904 wrote to memory of 1160	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	29
PID 904 wrote to memory of 1160	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	29
PID 904 wrote to memory of 2772	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	32
PID 904 wrote to memory of 2772	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	32
PID 904 wrote to memory of 2772	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	32
PID 904 wrote to memory of 2772	904	23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe	32

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1160	attrib.exe

C:\Users\Admin\AppData\Local\Temp\23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe
"C:\Users\Admin\AppData\Local\Temp\23b641e5eecec19208e2c8d9d0a7871a2fdb2ef285c639af1c172468ad4a31b5N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\sgchost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\23B641~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2772

C:\Windows\Debug\sgchost.exe
C:\Windows\Debug\sgchost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\sgchost.exe

Filesize
84KB

MD5
6a62128fd833b96b7f56a1e7f68b79ba

SHA1
147eb93fe9fc8690d218c59dfc63ede175cf948c

SHA256
eff2cd5c8fd387a59f2cd5c20333a35be3bac68b0a1d06446b45190c46da998e

SHA512
882c6cfa3264c6820a3de141b01b7c600d6244020cfbf9b370e30e114cd9ba58a848bc5d95c22536713af31d2abe68343017d2bf5391eb6ad79c924fc9d77dc6

Download Submit
memory/904-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/904-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2220-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads