chinese_generic_botnet | 935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea

General

Target

935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
Size

3.3MB
MD5

db565ea0ed62da2d7ce016fd6ce25406
SHA1

9c53dcdb87ec958fb4c590069151a7e32ce3108e
SHA256

935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea
SHA512

1434484cf55914cb9d85ab49ad4fe8642018a8598cd94e7f0a4acbede660448f81d1264c9bd264f3ffa80f2886a5a48122bf0dbac54dd5bb7e752be0cfffa5cf
SSDEEP

49152:t/GUxi03zDWi26fs2cWDAbcl7jkv4+9Ry4kjCz:t/GUT0uDhEv4n4M

Score

10^/10

chinese_generic_botnet botnet

Malware Config

Signatures

Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
botnet chinese_generic_botnet

Chinese Botnet payload 1 IoCs

botnet

resource	yara_rule
behavioral1/memory/2456-0-0x0000000010000000-0x000000001001F000-memory.dmp	unk_chinese_botnet

Executes dropped EXE 2 IoCs

pid	Process
2984	Uoiksum.exe
2684	Uoiksum.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\J:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\L:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\P:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\W:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\Y:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\B:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\G:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\I:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\Z:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\S:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\K:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\N:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\Q:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\U:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\V:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\E:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\M:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\O:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\X:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\H:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\R:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened (read-only)	\??\T:	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Uoiksum.exe	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
File opened for modification	C:\Program Files (x86)\Uoiksum.exe	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.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	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2456	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2456	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2456	935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
2984	Uoiksum.exe
2684	Uoiksum.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2684	2984	Uoiksum.exe	29
PID 2984 wrote to memory of 2684	2984	Uoiksum.exe	29
PID 2984 wrote to memory of 2684	2984	Uoiksum.exe	29
PID 2984 wrote to memory of 2684	2984	Uoiksum.exe	29

C:\Users\Admin\AppData\Local\Temp\935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe
"C:\Users\Admin\AppData\Local\Temp\935839b62733a6cab157fd86cf715af7567dac4fa53010ccc126868f082064ea.exe"
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2456

C:\Program Files (x86)\Uoiksum.exe
"C:\Program Files (x86)\Uoiksum.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Program Files (x86)\Uoiksum.exe
  "C:\Program Files (x86)\Uoiksum.exe" Win7
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Uoiksum.exe

Filesize
4.4MB

MD5
605ed24b418993a0570bb6e585566464

SHA1
fb0bfce70cec4bc53774e8200108d645c61dd7e6

SHA256
868f948ad36042141e876363cf31d465cbce66971b33069b8f02b8dedcd09dad

SHA512
052b5b5483e1c85071ff38957f1f4570593ec1ea1b117f4e148739f61b443c75c28ce12e6b3c558c32939b2905ce6ce23d58b39a22446ed79d03815ef3602c64

Download Submit
C:\Program Files (x86)\Uoiksum.exe

Filesize
3.4MB

MD5
11a5b2da3259d61394909f05855640c9

SHA1
ec8ae13c96c9027a31229b73c27256f7d3cf926e

SHA256
000a3fc2c77f44af119cc606011768ed0b25077ccd28d4f93334f40346ecd46e

SHA512
b3cc932f5b284f2c2d183c41fc0b054f0b13c854296d6fd6400d2f148f3c5b5358ce24ded59050f4459f6f82cdcdd00470b5756d13d75bfb50a8ae232c054ba3

Download Submit
C:\Program Files (x86)\Uoiksum.exe

Filesize
6.8MB

MD5
91bd6485b7bd2959742c94b2aedcfca6

SHA1
be4f999304447ac2a17c88719e08b47f53140212

SHA256
790cc561d8ed9ec01b5020a14a4db026a9fc5a71c830de7c6c52d750d7179b40

SHA512
7658d983aedf6626bb059a45d49f151b0d8cf9fda574d3b66030ea3ccc7abcfecc9659d71b34af00e75dc68eed0246f49247973df2d9ab48294a9f8254c2a827

Download Submit
memory/2456-0-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads