SecuriteInfo[.]com[.]Trojan[.]MulDrop21[.]32565[.]4564[.]27113[.]exe

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General

Target

SecuriteInfo.com.Trojan.MulDrop21.32565.4564.27113.exe
Size

1.8MB
MD5

866f4c3885ca96d8f41d65b4bbe91612
SHA1

9612d39ff4efcb621e2e0f69abb8dfcd37deb02f
SHA256

c42aa3048aeb7415fa3fbc93700fef04354aca6f5fe907dd7b86f7858e2a28d3
SHA512

dbbeef22aefb7274b35fde23d3bc4aeee0df436a2de77bea90f621c211df9459da5d5872d300718cba8791fab0f8cfca4f9e92b58beb8ec15cbdba6b4ef29619
SSDEEP

49152:18RKp78889tIXaYCxUEETnVnaQ8lMD9EQBUOY:CRq78b92Lu9EVX8ls0OY

Score

7^/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

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

SecuriteInfo.com.Trojan.MulDrop21.32565.4564.27113.exe
.exe windows:5 windows x86 arch:x86

Code Sign

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

12/03/2019, 00:00

Not After

31/12/2028, 23:59

Subject

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7b:49:49:3c:c1:d5:e7:3e:4f:a9:eb:a4:cd:ba:3f:d6
Certificate

Issuer

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

Not Before

01/03/2021, 00:00

Not After

29/02/2024, 23:59

Subject

CN=Beijing Huorong Network Technology Co.\, Ltd.,O=Beijing Huorong Network Technology Co.\, Ltd.,POSTALCODE=100012,STREET=3rd Floor\, Ruipu Building D\, Courtyard 15\, Hongjunying South Road\, Chao Yang District,L=Beijing Shi,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/11/2018, 00:00

Not After

31/12/2030, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

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

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

1e:23:48:96:45:f1:d8:24:55:02:61:14:ca:38:b2:97:72:8d:a0:26:5d:06:d9:05:bd:82:eb:4e:18:a4:e7:9c
Signer

Actual PE Digest

1e:23:48:96:45:f1:d8:24:55:02:61:14:ca:38:b2:97:72:8d:a0:26:5d:06:d9:05:bd:82:eb:4e:18:a4:e7:9c

Digest Algorithm

sha256

PE Digest Matches

true

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: 3.1MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 47KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows x86 arch: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_multi_wait
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
curl_version
curl_version_info

Sections

.text
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 613KB - Virtual size: 612KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 96KB - Virtual size: 222KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 124KB - Virtual size: 123KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95Certificate

Key Usages

7b:49:49:3c:c1:d5:e7:3e:4f:a9:eb:a4:cd:ba:3f:d6Certificate

Extended Key Usages

Key Usages

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6aCertificate

Extended Key Usages

Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

1e:23:48:96:45:f1:d8:24:55:02:61:14:ca:38:b2:97:72:8d:a0:26:5d:06:d9:05:bd:82:eb:4e:18:a4:e7:9cSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 3.1MB

UPX1 Size: 1.7MB - Virtual size: 1.7MB

.rsrc Size: 47KB - Virtual size: 52KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 2.4MB - Virtual size: 2.4MB

.rdata Size: 613KB - Virtual size: 612KB

.data Size: 96KB - Virtual size: 222KB

.gfids Size: 4KB - Virtual size: 3KB

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 1.4MB - Virtual size: 1.4MB

.reloc Size: 124KB - Virtual size: 123KB

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

7b:49:49:3c:c1:d5:e7:3e:4f:a9:eb:a4:cd:ba:3f:d6
Certificate

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

1e:23:48:96:45:f1:d8:24:55:02:61:14:ca:38:b2:97:72:8d:a0:26:5d:06:d9:05:bd:82:eb:4e:18:a4:e7:9c
Signer

UPX0
Size: - Virtual size: 3.1MB

UPX1
Size: 1.7MB - Virtual size: 1.7MB

.rsrc
Size: 47KB - Virtual size: 52KB

.text
Size: 2.4MB - Virtual size: 2.4MB

.rdata
Size: 613KB - Virtual size: 612KB

.data
Size: 96KB - Virtual size: 222KB

.gfids
Size: 4KB - Virtual size: 3KB

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 1.4MB - Virtual size: 1.4MB

.reloc
Size: 124KB - Virtual size: 123KB