gh0strat | 2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc

General

Target

2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe
Size

30KB
MD5

cfc5212ceeb52d74ce319bdf2bf96938
SHA1

98a88e244c27596473145bbc57a9841d29a0baba
SHA256

2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc
SHA512

3ecc20cd0834af2e900d3879e8f57ae1c963c580e89bdec6985a6e753c4aab94bc14d035185ee11ad3914b65824e6fb434fa391507043f20759267d06d40cefa
SSDEEP

768:Bo7ka4dMTNgxC6xaUCBVhFuiFttM8NE7VC9NNRo6nP3gm:BWqYNg9ap3jzFm7VCTNlPZ

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/3528-132-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat
behavioral2/memory/3192-139-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat
behavioral2/memory/4868-140-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat
behavioral2/memory/4596-141-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat
behavioral2/memory/3528-144-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat
behavioral2/memory/4596-143-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat
behavioral2/memory/4868-146-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat
behavioral2/memory/4868-147-0x0000000000400000-0x0000000000410000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Executes dropped EXE 3 IoCs

pid	Process
3192	Qoayeik.exe
4868	Qoayeik.exe
4596	Qoayeik.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3528-132-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x0009000000022e3c-133.dat	upx
behavioral2/files/0x0009000000022e3c-134.dat	upx
behavioral2/files/0x0009000000022e3c-136.dat	upx
behavioral2/files/0x0009000000022e3c-138.dat	upx
behavioral2/memory/3192-139-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/4868-140-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/4596-141-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3528-144-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/4596-143-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/4868-146-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/4868-147-0x0000000000400000-0x0000000000410000-memory.dmp	upx

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	Qoayeik.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	Qoayeik.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	Qoayeik.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	Qoayeik.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Qoayeik.exe	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe
File opened for modification	C:\Windows\Qoayeik.exe	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5084	3192	WerFault.exe	80
2072	4868	WerFault.exe	81

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Qoayeik.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	Qoayeik.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	Qoayeik.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	Qoayeik.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	Qoayeik.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Qoayeik.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Qoayeik.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Qoayeik.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3528	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe
3528	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 4868	3192	Qoayeik.exe	81
PID 3192 wrote to memory of 4868	3192	Qoayeik.exe	81
PID 3192 wrote to memory of 4868	3192	Qoayeik.exe	81
PID 3192 wrote to memory of 4596	3192	Qoayeik.exe	82
PID 3192 wrote to memory of 4596	3192	Qoayeik.exe	82
PID 3192 wrote to memory of 4596	3192	Qoayeik.exe	82
PID 3528 wrote to memory of 2540	3528	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe	86
PID 3528 wrote to memory of 2540	3528	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe	86
PID 3528 wrote to memory of 2540	3528	2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe	86

C:\Users\Admin\AppData\Local\Temp\2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe
"C:\Users\Admin\AppData\Local\Temp\2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\8074.vbs"
  2⤵
  PID:2540

C:\Windows\Qoayeik.exe
C:\Windows\Qoayeik.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Windows\Qoayeik.exe
  C:\Windows\Qoayeik.exe Win7
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  PID:4868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 1368
    3⤵
    - Program crash
    PID:2072
- C:\Windows\Qoayeik.exe
  C:\Windows\Qoayeik.exe Win7
  2⤵
  - Executes dropped EXE
  PID:4596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 512
  2⤵
  - Program crash
  PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3192 -ip 3192
1⤵
PID:996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4868 -ip 4868
1⤵
PID:4768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\8074.vbs

Filesize
500B

MD5
e48de04d8739b455b4f78856aaff493c

SHA1
cbb89130d5e7ff882b3f22362ed401aa1c353321

SHA256
d9d14f86617e3869161368f55b0cac7eace46146eae0ae1cad07d6deb0e980b3

SHA512
bb400b17424f3cc931e62e077a79f6f789c6820db96b4f8b4d857bc6484e78c37d23abc5e64dc4f9d0ecf5be662edd78a90f244fb922742d40e9d4fbf9728d51

Download Submit
C:\Windows\Qoayeik.exe

Filesize
30KB

MD5
cfc5212ceeb52d74ce319bdf2bf96938

SHA1
98a88e244c27596473145bbc57a9841d29a0baba

SHA256
2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc

SHA512
3ecc20cd0834af2e900d3879e8f57ae1c963c580e89bdec6985a6e753c4aab94bc14d035185ee11ad3914b65824e6fb434fa391507043f20759267d06d40cefa

Download Submit
C:\Windows\Qoayeik.exe

Filesize
30KB

MD5
cfc5212ceeb52d74ce319bdf2bf96938

SHA1
98a88e244c27596473145bbc57a9841d29a0baba

SHA256
2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc

SHA512
3ecc20cd0834af2e900d3879e8f57ae1c963c580e89bdec6985a6e753c4aab94bc14d035185ee11ad3914b65824e6fb434fa391507043f20759267d06d40cefa

Download Submit
C:\Windows\Qoayeik.exe

Filesize
30KB

MD5
cfc5212ceeb52d74ce319bdf2bf96938

SHA1
98a88e244c27596473145bbc57a9841d29a0baba

SHA256
2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc

SHA512
3ecc20cd0834af2e900d3879e8f57ae1c963c580e89bdec6985a6e753c4aab94bc14d035185ee11ad3914b65824e6fb434fa391507043f20759267d06d40cefa

Download Submit
C:\Windows\Qoayeik.exe

Filesize
30KB

MD5
cfc5212ceeb52d74ce319bdf2bf96938

SHA1
98a88e244c27596473145bbc57a9841d29a0baba

SHA256
2c5dc04e2227099f9039d7e0e384a456904737a01303affe2d42a001a86fc6dc

SHA512
3ecc20cd0834af2e900d3879e8f57ae1c963c580e89bdec6985a6e753c4aab94bc14d035185ee11ad3914b65824e6fb434fa391507043f20759267d06d40cefa

Download Submit
memory/3192-139-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3528-132-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3528-144-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4596-143-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4596-141-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4868-140-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4868-146-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4868-147-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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