gcleaner | ab40674a5476db9cd326cc3ae61997764264966bcf2eac83f4d63d6565657a59

General

Target

d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.exe
Size

2.2MB
MD5

d9d3501dce8f05ef4c905db79d274af6
SHA1

f89be05c19538eb33494293990ef01d2343a98ff
SHA256

d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d
SHA512

9e5499a98b30d47306efc08d6130d6dc01f6bff69fa30c9f455a6b53731c129ce279301d2b0eb2f137b92cad0dd6fce2167bac10d0b332a6bf8b66b26c302881
SSDEEP

49152:d3Zk3ejRVljDy2L4LJroAIcNQJDZa4RnCLCgv2MR:XCeRt4LJrFXiJ84Jqv2MR

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	FRec24.exe

Executes dropped EXE 3 IoCs

pid	Process
464	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
224	FRec24.exe
516	lpggtckb.exe

Loads dropped DLL 1 IoCs

pid	Process
464	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\FHJsoftFR\FRec24\data\is-UEKD5.tmp	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File created	C:\Program Files (x86)\FHJsoftFR\FRec24\unins000.dat	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File created	C:\Program Files (x86)\FHJsoftFR\FRec24\is-6UUMD.tmp	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File created	C:\Program Files (x86)\FHJsoftFR\FRec24\is-A30QU.tmp	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File created	C:\Program Files (x86)\FHJsoftFR\FRec24\is-Q3D5T.tmp	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File created	C:\Program Files (x86)\FHJsoftFR\FRec24\is-5TR20.tmp	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File created	C:\Program Files (x86)\FHJsoftFR\FRec24\is-L9P8L.tmp	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File opened for modification	C:\Program Files (x86)\FHJsoftFR\FRec24\unins000.dat	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
File opened for modification	C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1732	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
224	FRec24.exe
224	FRec24.exe
224	FRec24.exe
224	FRec24.exe
224	FRec24.exe
224	FRec24.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 464	636	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.exe	81
PID 636 wrote to memory of 464	636	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.exe	81
PID 636 wrote to memory of 464	636	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.exe	81
PID 464 wrote to memory of 224	464	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp	82
PID 464 wrote to memory of 224	464	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp	82
PID 464 wrote to memory of 224	464	d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp	82
PID 224 wrote to memory of 516	224	FRec24.exe	83
PID 224 wrote to memory of 516	224	FRec24.exe	83
PID 224 wrote to memory of 516	224	FRec24.exe	83
PID 224 wrote to memory of 3224	224	FRec24.exe	91
PID 224 wrote to memory of 3224	224	FRec24.exe	91
PID 224 wrote to memory of 3224	224	FRec24.exe	91
PID 3224 wrote to memory of 1732	3224	cmd.exe	93
PID 3224 wrote to memory of 1732	3224	cmd.exe	93
PID 3224 wrote to memory of 1732	3224	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.exe
"C:\Users\Admin\AppData\Local\Temp\d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Local\Temp\is-49P29.tmp\d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-49P29.tmp\d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp" /SL5="$D002E,2070149,345600,C:\Users\Admin\AppData\Local\Temp\d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:464
- - C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe
    "C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:224
  - - C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\lpggtckb.exe
      4⤵
      Executes dropped EXE
      PID:516
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec24.exe" /f & erase "C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3224
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec24.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe

Filesize
1.8MB

MD5
e7ed9fda7ee16b1b2668d9b91eb03d8f

SHA1
8696699c7f910563e906c7714e1f08d2b6ca3a39

SHA256
650be4c34822bb25b0f831208c6ec08fca7e7781abb67d8be3d6542d1ca88748

SHA512
475d904761f9a587188ae0e1d75183455e112f4f5971132daed31bb1dc89af7be3cfc59f65806e3b004bdc4488a9ab03270ac37bf4a1f7e89e9a3af996e113f2

Download Submit
C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe

Filesize
1.8MB

MD5
e7ed9fda7ee16b1b2668d9b91eb03d8f

SHA1
8696699c7f910563e906c7714e1f08d2b6ca3a39

SHA256
650be4c34822bb25b0f831208c6ec08fca7e7781abb67d8be3d6542d1ca88748

SHA512
475d904761f9a587188ae0e1d75183455e112f4f5971132daed31bb1dc89af7be3cfc59f65806e3b004bdc4488a9ab03270ac37bf4a1f7e89e9a3af996e113f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-49P29.tmp\d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-49P29.tmp\d032178ccd12b10f97c8f4b37ab7134f9c3718f8c698a20da1cbe1fe5159870d.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SVU0H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\lpggtckb.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\lpggtckb.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/224-142-0x0000000000400000-0x00000000013D6000-memory.dmp

Filesize
15.8MB

Download
memory/224-152-0x0000000000400000-0x00000000013D6000-memory.dmp

Filesize
15.8MB

Download
memory/224-143-0x0000000000400000-0x00000000013D6000-memory.dmp

Filesize
15.8MB

Download
memory/224-155-0x0000000000400000-0x00000000013D6000-memory.dmp

Filesize
15.8MB

Download
memory/224-144-0x0000000000400000-0x00000000013D6000-memory.dmp

Filesize
15.8MB

Download
memory/224-148-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/636-134-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/636-151-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/636-132-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/636-156-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

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