cymon2[.]exe | Triage

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General

Target

cymon2.exe
Size

211KB
MD5

79cbd3878fbec2dc037d511b1285db68
SHA1

46bbc5e54747679d7c7cb7d640f94e343896e621
SHA256

dd764b65ea0e795246b6162fbe9216c5c05aa478fb2a1a9d20523d1fc7978919
SHA512

6058fe3e17d037b74be3caa13c23d1803f277b6148207705dd5f1c15b2f0d67b83eb509c010b368a231e685c8333d3b2bc680b0fe71af38677684d3bf0683ff0
SSDEEP

3072:960NWjxyUmiPHIK3R6l1+Q77B9QFiVaXmf7Zdb:w0NaHPo+0/+Q9rVtZdb

Score

1^/10

Malware Config

Signatures

Files

cymon2.exe
.exe windows x64

8e8b04f67c9de964cd7fa702038e7d59

Code Sign

33:00:00:03:de:8d:56:82:5a:f1:a4:a9:67:00:00:00:00:03:de
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15-12-2020 21:24

Not After

02-12-2021 21:24

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06-07-2010 20:40

Not After

06-07-2025 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

15:e2:29:fe:14:35:70:74:b6:6a:98:f8:0b:49:59:7c
Certificate

Issuer

CN=C2RService,O=C2RService,L=Redmond,ST=Washington,C=US

Not Before

17-02-2017 00:12

Not After

31-12-2039 23:59

Subject

CN=C2RService,O=C2RService,L=Redmond,ST=Washington,C=US

c4:5f:f0:16:9f:4f:a4:38:33:71:02:96:82:d6:f0:f1:c4:b8:81:e0
Signer

Actual PE Digest

c4:5f:f0:16:9f:4f:a4:38:33:71:02:96:82:d6:f0:f1:c4:b8:81:e0

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=C2RService,O=C2RService,L=Redmond,ST=Washington,C=US

30-03-2023 10:56
Valid: false

ea:da:2e:53:8c:1a:24:d6:23:f0:ed:bf:42:a2:2f:05:b5:03:f3:0b:94:e2:c8:9e:74:6e:2c:b5:ab:ca:4e:e4
Signer

Actual PE Digest

ea:da:2e:53:8c:1a:24:d6:23:f0:ed:bf:42:a2:2f:05:b5:03:f3:0b:94:e2:c8:9e:74:6e:2c:b5:ab:ca:4e:e4

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

30-03-2023 10:56
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

CryptAcquireContextW
CryptCreateHash
CryptDecrypt
CryptDeriveKey
CryptDestroyHash
CryptDestroyKey
CryptHashData
CryptReleaseContext

kernel32

CloseHandle
CreateRemoteThread
CreateToolhelp32Snapshot
DeleteCriticalSection
EnterCriticalSection
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
LeaveCriticalSection
OpenProcess
Process32First
Process32Next
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualAllocEx
VirtualProtect
VirtualQuery
WaitForSingleObject
WriteProcessMemory
lstrcmpiA

msvcrt

__C_specific_handler
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_fmode
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
memmove
signal
strlen
strncmp
vfprintf

Sections

.text
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 208B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 67KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 1024B - Virtual size: 588B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 448B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 416B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 128B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8e8b04f67c9de964cd7fa702038e7d59

Code Sign

33:00:00:03:de:8d:56:82:5a:f1:a4:a9:67:00:00:00:00:03:deCertificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

15:e2:29:fe:14:35:70:74:b6:6a:98:f8:0b:49:59:7cCertificate

c4:5f:f0:16:9f:4f:a4:38:33:71:02:96:82:d6:f0:f1:c4:b8:81:e0Signer

Signature Validations

Verification

30-03-2023 10:56 Valid: false

ea:da:2e:53:8c:1a:24:d6:23:f0:ed:bf:42:a2:2f:05:b5:03:f3:0b:94:e2:c8:9e:74:6e:2c:b5:ab:ca:4e:e4Signer

Signature Validations

Verification

30-03-2023 10:56 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

Sections

.text Size: 8KB - Virtual size: 7KB

.data Size: 512B - Virtual size: 208B

.rdata Size: 67KB - Virtual size: 67KB

.pdata Size: 1024B - Virtual size: 588B

.xdata Size: 512B - Virtual size: 448B

.bss Size: - Virtual size: 416B

.idata Size: 2KB - Virtual size: 2KB

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 512B - Virtual size: 128B

/4 Size: 1KB - Virtual size: 1KB

/19 Size: 40KB - Virtual size: 39KB

/31 Size: 7KB - Virtual size: 6KB

/45 Size: 8KB - Virtual size: 8KB

/57 Size: 3KB - Virtual size: 2KB

/70 Size: 1KB - Virtual size: 1KB

/81 Size: 12KB - Virtual size: 11KB

/92 Size: 2KB - Virtual size: 1KB

33:00:00:03:de:8d:56:82:5a:f1:a4:a9:67:00:00:00:00:03:de
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

15:e2:29:fe:14:35:70:74:b6:6a:98:f8:0b:49:59:7c
Certificate

c4:5f:f0:16:9f:4f:a4:38:33:71:02:96:82:d6:f0:f1:c4:b8:81:e0
Signer

30-03-2023 10:56
Valid: false

ea:da:2e:53:8c:1a:24:d6:23:f0:ed:bf:42:a2:2f:05:b5:03:f3:0b:94:e2:c8:9e:74:6e:2c:b5:ab:ca:4e:e4
Signer

30-03-2023 10:56
Valid: false

.text
Size: 8KB - Virtual size: 7KB

.data
Size: 512B - Virtual size: 208B

.rdata
Size: 67KB - Virtual size: 67KB

.pdata
Size: 1024B - Virtual size: 588B

.xdata
Size: 512B - Virtual size: 448B

.bss
Size: - Virtual size: 416B

.idata
Size: 2KB - Virtual size: 2KB

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 512B - Virtual size: 128B

/4
Size: 1KB - Virtual size: 1KB

/19
Size: 40KB - Virtual size: 39KB

/31
Size: 7KB - Virtual size: 6KB

/45
Size: 8KB - Virtual size: 8KB

/57
Size: 3KB - Virtual size: 2KB

/70
Size: 1KB - Virtual size: 1KB

/81
Size: 12KB - Virtual size: 11KB

/92
Size: 2KB - Virtual size: 1KB