kutuphane_4CA4CGAB[.]exe

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General

Target

kutuphane_4CA4CGAB.exe
Size

15.3MB
MD5

468d48599fe59ddef6d53812a8ecc6a8
SHA1

6d6815be37668acdc020c48f2b4a2491b4db96ad
SHA256

2a90156d64503462bd001d780d105cb5ce8f1165e2bfb1e940cccfc3679552dd
SHA512

38826cb2dc605d11888e91464291b98199c8e60a81cd7ed7a076efabce5e4888e4a8eec0fe2d0ea5ab2f320ef30ebc788a476731a9668150905b376c3815580e
SSDEEP

393216:GK+QqSCmubTVfaOGSYRzGp0QSBvO7CR+xWbKq7n:GKCSTIaDSKjQSBvv0Yz

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
sample	upx

Files

kutuphane_4CA4CGAB.exe
.exe windows x86

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

07/06/2005, 08:09

Not After

30/05/2020, 10:48

Subject

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

62:5c:4d:90:8c:d5:42:fb:ab:2e:a5:73:3f:f1:54:19
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

27/04/2011, 00:00

Not After

30/05/2020, 10:48

Subject

CN=COMODO Time Stamping CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

2b:73:db:74:63:11:4c:5a:5b:32:4a:f2:30:57:72:49
Certificate

Issuer

CN=COMODO Time Stamping CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

02/05/2019, 00:00

Not After

30/05/2020, 10:48

Subject

CN=Sectigo SHA-1 Time Stamping Signer,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

8c:d0:9c:7b:97:c5:43:b2:fe:3f:42:98:3f:f7:fe:b1
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

03/06/2018, 00:00

Not After

02/06/2021, 23:59

Subject

CN=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,O=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,POSTALCODE=06870,STREET=B4 Golbasi+STREET=TEKNOLOJI GELISTIRME BOLGESI\, 52 BAHCELIEVLER MAHALLESI,L=Ankara,ST=TR,C=TR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

76:1e:6f:a6:6c:13:71:1d:da:4d:56:b0:22:fc:35:6d:0b:d6:ac:0b
Signer

Actual PE Digest

76:1e:6f:a6:6c:13:71:1d:da:4d:56:b0:22:fc:35:6d:0b:d6:ac:0b

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,O=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,POSTALCODE=06870,STREET=B4 Golbasi+STREET=TEKNOLOJI GELISTIRME BOLGESI\, 52 BAHCELIEVLER MAHALLESI,L=Ankara,ST=TR,C=TR

22/04/2020, 10:44
Valid: true

Chain 1

CN=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,O=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,POSTALCODE=06870,STREET=B4 Golbasi+STREET=TEKNOLOJI GELISTIRME BOLGESI\, 52 BAHCELIEVLER MAHALLESI,L=Ankara,ST=TR,C=TR

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 15.6MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 11.3MB - Virtual size: 11.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 310KB - Virtual size: 312KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Exports

Exports

curl_easy_cleanup
curl_easy_duphandle
curl_easy_escape
curl_easy_getinfo
curl_easy_init
curl_easy_pause
curl_easy_perform
curl_easy_recv
curl_easy_reset
curl_easy_send
curl_easy_setopt
curl_easy_strerror
curl_easy_unescape
curl_escape
curl_formadd
curl_formfree
curl_formget
curl_free
curl_getdate
curl_getenv
curl_global_cleanup
curl_global_init
curl_global_init_mem
curl_maprintf
curl_mfprintf
curl_mprintf
curl_msnprintf
curl_msprintf
curl_multi_add_handle
curl_multi_assign
curl_multi_cleanup
curl_multi_fdset
curl_multi_info_read
curl_multi_init
curl_multi_perform
curl_multi_remove_handle
curl_multi_setopt
curl_multi_socket
curl_multi_socket_action
curl_multi_socket_all
curl_multi_strerror
curl_multi_timeout
curl_mvaprintf
curl_mvfprintf
curl_mvprintf
curl_mvsnprintf
curl_mvsprintf
curl_share_cleanup
curl_share_init
curl_share_setopt
curl_share_strerror
curl_slist_append
curl_slist_free_all
curl_strequal
curl_strnequal
curl_unescape

Sections

.text
Size: 5.4MB - Virtual size: 5.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

CODE
Size: 111KB - Virtual size: 110KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.6MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 13B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

DATA
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16.0MB - Virtual size: 16.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 587KB - Virtual size: 586KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4bCertificate

Key Usages

62:5c:4d:90:8c:d5:42:fb:ab:2e:a5:73:3f:f1:54:19Certificate

Extended Key Usages

Key Usages

2b:73:db:74:63:11:4c:5a:5b:32:4a:f2:30:57:72:49Certificate

Extended Key Usages

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

8c:d0:9c:7b:97:c5:43:b2:fe:3f:42:98:3f:f7:fe:b1Certificate

Extended Key Usages

Key Usages

76:1e:6f:a6:6c:13:71:1d:da:4d:56:b0:22:fc:35:6d:0b:d6:ac:0bSigner

Signature Validations

Verification

22/04/2020, 10:44 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 15.6MB

UPX1 Size: 11.3MB - Virtual size: 11.3MB

.rsrc Size: 310KB - Virtual size: 312KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 5.4MB - Virtual size: 5.4MB

CODE Size: 111KB - Virtual size: 110KB

.rdata Size: 2.8MB - Virtual size: 2.8MB

.data Size: 1.6MB - Virtual size: 1.8MB

.tls Size: 512B - Virtual size: 13B

DATA Size: 4KB - Virtual size: 3KB

BSS Size: 2KB - Virtual size: 1KB

.rsrc Size: 16.0MB - Virtual size: 16.0MB

.reloc Size: 587KB - Virtual size: 586KB

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

62:5c:4d:90:8c:d5:42:fb:ab:2e:a5:73:3f:f1:54:19
Certificate

2b:73:db:74:63:11:4c:5a:5b:32:4a:f2:30:57:72:49
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

8c:d0:9c:7b:97:c5:43:b2:fe:3f:42:98:3f:f7:fe:b1
Certificate

76:1e:6f:a6:6c:13:71:1d:da:4d:56:b0:22:fc:35:6d:0b:d6:ac:0b
Signer

22/04/2020, 10:44
Valid: true

UPX0
Size: - Virtual size: 15.6MB

UPX1
Size: 11.3MB - Virtual size: 11.3MB

.rsrc
Size: 310KB - Virtual size: 312KB

.text
Size: 5.4MB - Virtual size: 5.4MB

CODE
Size: 111KB - Virtual size: 110KB

.rdata
Size: 2.8MB - Virtual size: 2.8MB

.data
Size: 1.6MB - Virtual size: 1.8MB

.tls
Size: 512B - Virtual size: 13B

DATA
Size: 4KB - Virtual size: 3KB

BSS
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 16.0MB - Virtual size: 16.0MB

.reloc
Size: 587KB - Virtual size: 586KB